Example #1
0
void __init tegra_pmc_clk_init(void __iomem *pmc_base,
				struct tegra_clk *tegra_clks)
{
	struct clk *clk;
	struct clk **dt_clk;
	int i;

	for (i = 0; i < ARRAY_SIZE(pmc_clks); i++) {
		struct pmc_clk_init_data *data;

		data = pmc_clks + i;

		dt_clk = tegra_lookup_dt_id(data->mux_id, tegra_clks);
		if (!dt_clk)
			continue;

		clk = clk_register_mux(NULL, data->mux_name, data->parents,
				data->num_parents, CLK_SET_RATE_NO_REPARENT,
				pmc_base + PMC_CLK_OUT_CNTRL, data->mux_shift,
				3, 0, &clk_out_lock);
		*dt_clk = clk;


		dt_clk = tegra_lookup_dt_id(data->gate_id, tegra_clks);
		if (!dt_clk)
			continue;

		clk = clk_register_gate(NULL, data->gate_name, data->mux_name,
					0, pmc_base + PMC_CLK_OUT_CNTRL,
					data->gate_shift, 0, &clk_out_lock);
		*dt_clk = clk;
		clk_register_clkdev(clk, data->dev_name, data->gate_name);
	}

	/* blink */
	writel_relaxed(0, pmc_base + PMC_BLINK_TIMER);
	clk = clk_register_gate(NULL, "blink_override", "clk_32k", 0,
				pmc_base + PMC_DPD_PADS_ORIDE,
				PMC_DPD_PADS_ORIDE_BLINK_ENB, 0, NULL);

	dt_clk = tegra_lookup_dt_id(tegra_clk_blink, tegra_clks);
	if (!dt_clk)
		return;

	clk = clk_register_gate(NULL, "blink", "blink_override", 0,
				pmc_base + PMC_CTRL,
				PMC_CTRL_BLINK_ENB, 0, NULL);
	clk_register_clkdev(clk, "blink", NULL);
	*dt_clk = clk;
}
Example #2
0
static int ti_adpll_init_gate(struct ti_adpll_data *d,
			      enum ti_adpll_clocks index,
			      int output_index, char *name,
			      struct clk *parent_clock,
			      void __iomem *reg,
			      u8 bit_idx,
			      u8 clk_gate_flags)
{
	const char *child_name;
	const char *parent_name;
	struct clk *clock;

	child_name = ti_adpll_clk_get_name(d, output_index, name);
	if (!child_name)
		return -EINVAL;

	parent_name = __clk_get_name(parent_clock);
	clock = clk_register_gate(d->dev, child_name, parent_name, 0,
				  reg, bit_idx, clk_gate_flags,
				  &d->lock);
	if (IS_ERR(clock)) {
		dev_err(d->dev, "failed to register gate %s: %li\n",
			name, PTR_ERR(clock));
		return PTR_ERR(clock);
	}

	return ti_adpll_setup_clock(d, clock, index, output_index, child_name,
				    clk_unregister_gate);
}
Example #3
0
void mmp_register_general_gate_clks(struct mmp_clk_unit *unit,
				struct mmp_param_general_gate_clk *clks,
				void __iomem *base, int size)
{
	struct clk *clk;
	int i;

	for (i = 0; i < size; i++) {
		clk = clk_register_gate(NULL, clks[i].name,
					clks[i].parent_name,
					clks[i].flags,
					base + clks[i].offset,
					clks[i].bit_idx,
					clks[i].gate_flags,
					clks[i].lock);

		if (IS_ERR(clk)) {
			pr_err("%s: failed to register clock %s\n",
			       __func__, clks[i].name);
			continue;
		}
		if (clks[i].id)
			unit->clk_table[clks[i].id] = clk;
	}
}
Example #4
0
/* register a list of gate clocks */
void __init amlogic_clk_register_gate(struct amlogic_gate_clock *list,
				unsigned int nr_clk)
{
	struct clk *clk;
	unsigned int idx, ret;
	void __iomem *base;

	for (idx = 0; idx < nr_clk; idx++, list++) {
		if (list->is_ao)
			base = reg_base_ao;   /*ao bus*/
		else
			base = reg_base;   /* cbus */

		clk = clk_register_gate(NULL, list->name, list->parent_name,
				list->flags, base + list->offset,
				list->bit_idx, list->gate_flags, &lock);

		if (IS_ERR(clk)) {
			pr_err("%s: failed to register clock %s\n", __func__,
				list->name);
			continue;
		}

		/* register a clock lookup only if a clock alias is specified */
		if (list->name) {
			ret = clk_register_clkdev(clk, list->name,
							list->dev_name);
			if (ret)
				pr_err("%s: failed to register lookup %s\n",
					__func__, list->name);
		}

		amlogic_clk_add_lookup(clk, list->id);
	}
}
Example #5
0
static struct clk __init *dove_register_gate(const char *name,
					     const char *parent, u8 bit_idx)
{
	return clk_register_gate(NULL, name, parent, 0,
				 (void __iomem *)CLOCK_GATING_CONTROL,
				 bit_idx, 0, &gating_lock);
}
Example #6
0
int hisi_clk_register_gate(const struct hisi_gate_clock *clks,
				       int nums, struct hisi_clock_data *data)
{
	struct clk *clk;
	void __iomem *base = data->base;
	int i;

	for (i = 0; i < nums; i++) {
		clk = clk_register_gate(NULL, clks[i].name,
						clks[i].parent_name,
						clks[i].flags,
						base + clks[i].offset,
						clks[i].bit_idx,
						clks[i].gate_flags,
						&hisi_clk_lock);
		if (IS_ERR(clk)) {
			pr_err("%s: failed to register clock %s\n",
			       __func__, clks[i].name);
			goto err;
		}

		if (clks[i].alias)
			clk_register_clkdev(clk, clks[i].alias, NULL);

		data->clk_data.clks[clks[i].id] = clk;
	}

	return 0;

err:
	while (i--)
		clk_unregister_gate(data->clk_data.clks[clks[i].id]);

	return PTR_ERR(clk);
}
static void __init mvebu_clk_gating_setup(
	struct device_node *np, const struct mvebu_soc_descr *descr)
{
	struct mvebu_gating_ctrl *ctrl;
	struct clk *clk;
	void __iomem *base;
	const char *default_parent = NULL;
	int n;

	base = of_iomap(np, 0);

	clk = of_clk_get(np, 0);
	if (!IS_ERR(clk)) {
		default_parent = __clk_get_name(clk);
		clk_put(clk);
	}

	ctrl = kzalloc(sizeof(struct mvebu_gating_ctrl), GFP_KERNEL);
	if (WARN_ON(!ctrl))
		return;

	spin_lock_init(&ctrl->lock);

	/*
	 * Count, allocate, and register clock gates
	 */
	for (n = 0; descr[n].name;)
		n++;

	ctrl->num_gates = n;
	ctrl->gates = kzalloc(ctrl->num_gates * sizeof(struct clk *),
			      GFP_KERNEL);
	if (WARN_ON(!ctrl->gates)) {
		kfree(ctrl);
		return;
	}

	for (n = 0; n < ctrl->num_gates; n++) {
		u8 flags = 0;
		const char *parent =
			(descr[n].parent) ? descr[n].parent : default_parent;

		/*
		 * On Armada 370, the DDR clock is a special case: it
		 * isn't taken by any driver, but should anyway be
		 * kept enabled, so we mark it as IGNORE_UNUSED for
		 * now.
		 */
		if (!strcmp(descr[n].name, "ddr"))
			flags |= CLK_IGNORE_UNUSED;

		ctrl->gates[n] = clk_register_gate(NULL, descr[n].name, parent,
				   flags, base, descr[n].bit_idx, 0, &ctrl->lock);
		WARN_ON(IS_ERR(ctrl->gates[n]));
	}
	of_clk_add_provider(np, mvebu_clk_gating_get_src, ctrl);
}
static void __init tegra_sclk_init(void __iomem *clk_base,
				struct tegra_clk *tegra_clks)
{
	struct clk *clk;
	struct clk **dt_clk;

	/* SCLK */
	dt_clk = tegra_lookup_dt_id(tegra_clk_sclk, tegra_clks);
	if (dt_clk) {
		clk = tegra_clk_register_super_mux("sclk", sclk_parents,
						ARRAY_SIZE(sclk_parents),
						CLK_SET_RATE_PARENT,
						clk_base + SCLK_BURST_POLICY,
						0, 4, 0, 0, NULL);
		*dt_clk = clk;
	}

	/* HCLK */
	dt_clk = tegra_lookup_dt_id(tegra_clk_hclk, tegra_clks);
	if (dt_clk) {
		clk = clk_register_divider(NULL, "hclk_div", "sclk", 0,
				   clk_base + SYSTEM_CLK_RATE, 4, 2, 0,
				   &sysrate_lock);
		clk = clk_register_gate(NULL, "hclk", "hclk_div",
				CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
				clk_base + SYSTEM_CLK_RATE,
				7, CLK_GATE_SET_TO_DISABLE, &sysrate_lock);
		*dt_clk = clk;
	}

	/* PCLK */
	dt_clk = tegra_lookup_dt_id(tegra_clk_pclk, tegra_clks);
	if (!dt_clk)
		return;

	clk = clk_register_divider(NULL, "pclk_div", "hclk", 0,
				   clk_base + SYSTEM_CLK_RATE, 0, 2, 0,
				   &sysrate_lock);
	clk = clk_register_gate(NULL, "pclk", "pclk_div", CLK_SET_RATE_PARENT |
				CLK_IGNORE_UNUSED, clk_base + SYSTEM_CLK_RATE,
				3, CLK_GATE_SET_TO_DISABLE, &sysrate_lock);
	*dt_clk = clk;
}
Example #9
0
static void __init zynq_clk_register_periph_clk(enum zynq_clk clk0,
		enum zynq_clk clk1, const char *clk_name0,
		const char *clk_name1, void __iomem *clk_ctrl,
		const char **parents, unsigned int two_gates)
{
	struct clk *clk;
	char *mux_name;
	char *div_name;
	spinlock_t *lock;

	lock = kmalloc(sizeof(*lock), GFP_KERNEL);
	if (!lock)
		goto err;
	spin_lock_init(lock);

	mux_name = kasprintf(GFP_KERNEL, "%s_mux", clk_name0);
	div_name = kasprintf(GFP_KERNEL, "%s_div", clk_name0);

	clk = clk_register_mux(NULL, mux_name, parents, 4,
			CLK_SET_RATE_NO_REPARENT, clk_ctrl, 4, 2, 0, lock);

	clk = clk_register_divider(NULL, div_name, mux_name, 0, clk_ctrl, 8, 6,
			CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, lock);

	clks[clk0] = clk_register_gate(NULL, clk_name0, div_name,
			CLK_SET_RATE_PARENT, clk_ctrl, 0, 0, lock);
	if (two_gates)
		clks[clk1] = clk_register_gate(NULL, clk_name1, div_name,
				CLK_SET_RATE_PARENT, clk_ctrl, 1, 0, lock);

	kfree(mux_name);
	kfree(div_name);

	return;

err:
	clks[clk0] = ERR_PTR(-ENOMEM);
	if (two_gates)
		clks[clk1] = ERR_PTR(-ENOMEM);
}
Example #10
0
void __init mvebu_clk_gating_setup(struct device_node *np,
				   const struct clk_gating_soc_desc *desc)
{
	struct clk_gating_ctrl *ctrl;
	struct clk *clk;
	void __iomem *base;
	const char *default_parent = NULL;
	int n;

	base = of_iomap(np, 0);
	if (WARN_ON(!base))
		return;

	clk = of_clk_get(np, 0);
	if (!IS_ERR(clk)) {
		default_parent = __clk_get_name(clk);
		clk_put(clk);
	}

	ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
	if (WARN_ON(!ctrl))
		goto ctrl_out;

	spin_lock_init(&ctrl->lock);

	/* Count, allocate, and register clock gates */
	for (n = 0; desc[n].name;)
		n++;

	ctrl->num_gates = n;
	ctrl->gates = kzalloc(ctrl->num_gates * sizeof(struct clk *),
			      GFP_KERNEL);
	if (WARN_ON(!ctrl->gates))
		goto gates_out;

	for (n = 0; n < ctrl->num_gates; n++) {
		const char *parent =
			(desc[n].parent) ? desc[n].parent : default_parent;
		ctrl->gates[n] = clk_register_gate(NULL, desc[n].name, parent,
					desc[n].flags, base, desc[n].bit_idx,
					0, &ctrl->lock);
		WARN_ON(IS_ERR(ctrl->gates[n]));
	}

	of_clk_add_provider(np, clk_gating_get_src, ctrl);

	return;
gates_out:
	kfree(ctrl);
ctrl_out:
	iounmap(base);
}
Example #11
0
static void __init zynq_clk_register_fclk(enum zynq_clk fclk,
		const char *clk_name, void __iomem *fclk_ctrl_reg,
		const char **parents)
{
	struct clk *clk;
	char *mux_name;
	char *div0_name;
	char *div1_name;
	spinlock_t *fclk_lock;
	spinlock_t *fclk_gate_lock;
	void __iomem *fclk_gate_reg = fclk_ctrl_reg + 8;

	fclk_lock = kmalloc(sizeof(*fclk_lock), GFP_KERNEL);
	if (!fclk_lock)
		goto err;
	fclk_gate_lock = kmalloc(sizeof(*fclk_gate_lock), GFP_KERNEL);
	if (!fclk_gate_lock)
		goto err;
	spin_lock_init(fclk_lock);
	spin_lock_init(fclk_gate_lock);

	mux_name = kasprintf(GFP_KERNEL, "%s_mux", clk_name);
	div0_name = kasprintf(GFP_KERNEL, "%s_div0", clk_name);
	div1_name = kasprintf(GFP_KERNEL, "%s_div1", clk_name);

	clk = clk_register_mux(NULL, mux_name, parents, 4, 0,
			fclk_ctrl_reg, 4, 2, 0, fclk_lock);

	clk = clk_register_divider(NULL, div0_name, mux_name,
			0, fclk_ctrl_reg, 8, 6, CLK_DIVIDER_ONE_BASED |
			CLK_DIVIDER_ALLOW_ZERO, fclk_lock);

	clk = clk_register_divider(NULL, div1_name, div0_name,
			CLK_SET_RATE_PARENT, fclk_ctrl_reg, 20, 6,
			CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
			fclk_lock);

	clks[fclk] = clk_register_gate(NULL, clk_name,
			div1_name, CLK_SET_RATE_PARENT, fclk_gate_reg,
			0, CLK_GATE_SET_TO_DISABLE, fclk_gate_lock);
	kfree(mux_name);
	kfree(div0_name);
	kfree(div1_name);

	return;

err:
	clks[fclk] = ERR_PTR(-ENOMEM);
}
Example #12
0
void pistachio_clk_register_gate(struct pistachio_clk_provider *p,
				 struct pistachio_gate *gate,
				 unsigned int num)
{
	struct clk *clk;
	unsigned int i;

	for (i = 0; i < num; i++) {
		clk = clk_register_gate(NULL, gate[i].name, gate[i].parent,
					CLK_SET_RATE_PARENT,
					p->base + gate[i].reg, gate[i].shift,
					0, NULL);
		p->clk_data.clks[gate[i].id] = clk;
	}
}
Example #13
0
static void __init zynq_clk_setup(struct device_node *np)
{
	int i;
	u32 tmp;
	int ret;
	struct clk *clk;
	char *clk_name;
	unsigned int fclk_enable = 0;
	const char *clk_output_name[clk_max];
	const char *cpu_parents[4];
	const char *periph_parents[4];
	const char *swdt_ext_clk_mux_parents[2];
	const char *can_mio_mux_parents[NUM_MIO_PINS];

	pr_info("Zynq clock init\n");

	/* get clock output names from DT */
	for (i = 0; i < clk_max; i++) {
		if (of_property_read_string_index(np, "clock-output-names",
				  i, &clk_output_name[i])) {
			pr_err("%s: clock output name not in DT\n", __func__);
			BUG();
		}
	}
	cpu_parents[0] = clk_output_name[armpll];
	cpu_parents[1] = clk_output_name[armpll];
	cpu_parents[2] = clk_output_name[ddrpll];
	cpu_parents[3] = clk_output_name[iopll];
	periph_parents[0] = clk_output_name[iopll];
	periph_parents[1] = clk_output_name[iopll];
	periph_parents[2] = clk_output_name[armpll];
	periph_parents[3] = clk_output_name[ddrpll];

	of_property_read_u32(np, "fclk-enable", &fclk_enable);

	/* ps_clk */
	ret = of_property_read_u32(np, "ps-clk-frequency", &tmp);
	if (ret) {
		pr_warn("ps_clk frequency not specified, using 33 MHz.\n");
		tmp = 33333333;
	}
	ps_clk = clk_register_fixed_rate(NULL, "ps_clk", NULL, CLK_IS_ROOT,
			tmp);

	ret = of_property_read_u32(np, "fclk-enable", &fclk_enable);
	if (ret)
		fclk_enable = 0xf;

	/* PLLs */
	clk = clk_register_zynq_pll("armpll_int", "ps_clk", SLCR_ARMPLL_CTRL,
			SLCR_PLL_STATUS, 0, &armpll_lock);
	clks[armpll] = clk_register_mux(NULL, clk_output_name[armpll],
			armpll_parents, 2, CLK_SET_RATE_NO_REPARENT,
			SLCR_ARMPLL_CTRL, 4, 1, 0, &armpll_lock);

	clk = clk_register_zynq_pll("ddrpll_int", "ps_clk", SLCR_DDRPLL_CTRL,
			SLCR_PLL_STATUS, 1, &ddrpll_lock);
	clks[ddrpll] = clk_register_mux(NULL, clk_output_name[ddrpll],
			ddrpll_parents, 2, CLK_SET_RATE_NO_REPARENT,
			SLCR_DDRPLL_CTRL, 4, 1, 0, &ddrpll_lock);

	clk = clk_register_zynq_pll("iopll_int", "ps_clk", SLCR_IOPLL_CTRL,
			SLCR_PLL_STATUS, 2, &iopll_lock);
	clks[iopll] = clk_register_mux(NULL, clk_output_name[iopll],
			iopll_parents, 2, CLK_SET_RATE_NO_REPARENT,
			SLCR_IOPLL_CTRL, 4, 1, 0, &iopll_lock);

	/* CPU clocks */
	tmp = readl(SLCR_621_TRUE) & 1;
	clk = clk_register_mux(NULL, "cpu_mux", cpu_parents, 4,
			CLK_SET_RATE_NO_REPARENT, SLCR_ARM_CLK_CTRL, 4, 2, 0,
			&armclk_lock);
	clk = clk_register_divider(NULL, "cpu_div", "cpu_mux", 0,
			SLCR_ARM_CLK_CTRL, 8, 6, CLK_DIVIDER_ONE_BASED |
			CLK_DIVIDER_ALLOW_ZERO, &armclk_lock);

	clks[cpu_6or4x] = clk_register_gate(NULL, clk_output_name[cpu_6or4x],
			"cpu_div", CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
			SLCR_ARM_CLK_CTRL, 24, 0, &armclk_lock);

	clk = clk_register_fixed_factor(NULL, "cpu_3or2x_div", "cpu_div", 0,
			1, 2);
	clks[cpu_3or2x] = clk_register_gate(NULL, clk_output_name[cpu_3or2x],
			"cpu_3or2x_div", CLK_IGNORE_UNUSED,
			SLCR_ARM_CLK_CTRL, 25, 0, &armclk_lock);

	clk = clk_register_fixed_factor(NULL, "cpu_2x_div", "cpu_div", 0, 1,
			2 + tmp);
	clks[cpu_2x] = clk_register_gate(NULL, clk_output_name[cpu_2x],
			"cpu_2x_div", CLK_IGNORE_UNUSED, SLCR_ARM_CLK_CTRL,
			26, 0, &armclk_lock);

	clk = clk_register_fixed_factor(NULL, "cpu_1x_div", "cpu_div", 0, 1,
			4 + 2 * tmp);
	clks[cpu_1x] = clk_register_gate(NULL, clk_output_name[cpu_1x],
			"cpu_1x_div", CLK_IGNORE_UNUSED, SLCR_ARM_CLK_CTRL, 27,
			0, &armclk_lock);

	/* Timers */
	swdt_ext_clk_mux_parents[0] = clk_output_name[cpu_1x];
	for (i = 0; i < ARRAY_SIZE(swdt_ext_clk_input_names); i++) {
		int idx = of_property_match_string(np, "clock-names",
				swdt_ext_clk_input_names[i]);
		if (idx >= 0)
			swdt_ext_clk_mux_parents[i + 1] =
				of_clk_get_parent_name(np, idx);
		else
			swdt_ext_clk_mux_parents[i + 1] = dummy_nm;
	}
	clks[swdt] = clk_register_mux(NULL, clk_output_name[swdt],
			swdt_ext_clk_mux_parents, 2, CLK_SET_RATE_PARENT |
			CLK_SET_RATE_NO_REPARENT, SLCR_SWDT_CLK_SEL, 0, 1, 0,
			&swdtclk_lock);

	/* DDR clocks */
	clk = clk_register_divider(NULL, "ddr2x_div", "ddrpll", 0,
			SLCR_DDR_CLK_CTRL, 26, 6, CLK_DIVIDER_ONE_BASED |
			CLK_DIVIDER_ALLOW_ZERO, &ddrclk_lock);
	clks[ddr2x] = clk_register_gate(NULL, clk_output_name[ddr2x],
			"ddr2x_div", 0, SLCR_DDR_CLK_CTRL, 1, 0, &ddrclk_lock);
	clk_prepare_enable(clks[ddr2x]);
	clk = clk_register_divider(NULL, "ddr3x_div", "ddrpll", 0,
			SLCR_DDR_CLK_CTRL, 20, 6, CLK_DIVIDER_ONE_BASED |
			CLK_DIVIDER_ALLOW_ZERO, &ddrclk_lock);
	clks[ddr3x] = clk_register_gate(NULL, clk_output_name[ddr3x],
			"ddr3x_div", 0, SLCR_DDR_CLK_CTRL, 0, 0, &ddrclk_lock);
	clk_prepare_enable(clks[ddr3x]);

	clk = clk_register_divider(NULL, "dci_div0", "ddrpll", 0,
			SLCR_DCI_CLK_CTRL, 8, 6, CLK_DIVIDER_ONE_BASED |
			CLK_DIVIDER_ALLOW_ZERO, &dciclk_lock);
	clk = clk_register_divider(NULL, "dci_div1", "dci_div0",
			CLK_SET_RATE_PARENT, SLCR_DCI_CLK_CTRL, 20, 6,
			CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
			&dciclk_lock);
	clks[dci] = clk_register_gate(NULL, clk_output_name[dci], "dci_div1",
			CLK_SET_RATE_PARENT, SLCR_DCI_CLK_CTRL, 0, 0,
			&dciclk_lock);
	clk_prepare_enable(clks[dci]);

	/* Peripheral clocks */
	for (i = fclk0; i <= fclk3; i++) {
		int enable = !!(fclk_enable & BIT(i - fclk0));
		zynq_clk_register_fclk(i, clk_output_name[i],
				SLCR_FPGA0_CLK_CTRL + 0x10 * (i - fclk0),
				periph_parents, enable);
	}

	zynq_clk_register_periph_clk(lqspi, 0, clk_output_name[lqspi], NULL,
			SLCR_LQSPI_CLK_CTRL, periph_parents, 0);

	zynq_clk_register_periph_clk(smc, 0, clk_output_name[smc], NULL,
			SLCR_SMC_CLK_CTRL, periph_parents, 0);

	zynq_clk_register_periph_clk(pcap, 0, clk_output_name[pcap], NULL,
			SLCR_PCAP_CLK_CTRL, periph_parents, 0);

	zynq_clk_register_periph_clk(sdio0, sdio1, clk_output_name[sdio0],
			clk_output_name[sdio1], SLCR_SDIO_CLK_CTRL,
			periph_parents, 1);

	zynq_clk_register_periph_clk(uart0, uart1, clk_output_name[uart0],
			clk_output_name[uart1], SLCR_UART_CLK_CTRL,
			periph_parents, 1);

	zynq_clk_register_periph_clk(spi0, spi1, clk_output_name[spi0],
			clk_output_name[spi1], SLCR_SPI_CLK_CTRL,
			periph_parents, 1);

	for (i = 0; i < ARRAY_SIZE(gem0_emio_input_names); i++) {
		int idx = of_property_match_string(np, "clock-names",
				gem0_emio_input_names[i]);
		if (idx >= 0)
			gem0_mux_parents[i + 1] = of_clk_get_parent_name(np,
					idx);
	}
	clk = clk_register_mux(NULL, "gem0_mux", periph_parents, 4,
			CLK_SET_RATE_NO_REPARENT, SLCR_GEM0_CLK_CTRL, 4, 2, 0,
			&gem0clk_lock);
	clk = clk_register_divider(NULL, "gem0_div0", "gem0_mux", 0,
			SLCR_GEM0_CLK_CTRL, 8, 6, CLK_DIVIDER_ONE_BASED |
			CLK_DIVIDER_ALLOW_ZERO, &gem0clk_lock);
	clk = clk_register_divider(NULL, "gem0_div1", "gem0_div0",
			CLK_SET_RATE_PARENT, SLCR_GEM0_CLK_CTRL, 20, 6,
			CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
			&gem0clk_lock);
	clk = clk_register_mux(NULL, "gem0_emio_mux", gem0_mux_parents, 2,
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			SLCR_GEM0_CLK_CTRL, 6, 1, 0,
			&gem0clk_lock);
	clks[gem0] = clk_register_gate(NULL, clk_output_name[gem0],
			"gem0_emio_mux", CLK_SET_RATE_PARENT,
			SLCR_GEM0_CLK_CTRL, 0, 0, &gem0clk_lock);

	for (i = 0; i < ARRAY_SIZE(gem1_emio_input_names); i++) {
		int idx = of_property_match_string(np, "clock-names",
				gem1_emio_input_names[i]);
		if (idx >= 0)
			gem1_mux_parents[i + 1] = of_clk_get_parent_name(np,
					idx);
	}
	clk = clk_register_mux(NULL, "gem1_mux", periph_parents, 4,
			CLK_SET_RATE_NO_REPARENT, SLCR_GEM1_CLK_CTRL, 4, 2, 0,
			&gem1clk_lock);
	clk = clk_register_divider(NULL, "gem1_div0", "gem1_mux", 0,
			SLCR_GEM1_CLK_CTRL, 8, 6, CLK_DIVIDER_ONE_BASED |
			CLK_DIVIDER_ALLOW_ZERO, &gem1clk_lock);
	clk = clk_register_divider(NULL, "gem1_div1", "gem1_div0",
			CLK_SET_RATE_PARENT, SLCR_GEM1_CLK_CTRL, 20, 6,
			CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
			&gem1clk_lock);
	clk = clk_register_mux(NULL, "gem1_emio_mux", gem1_mux_parents, 2,
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			SLCR_GEM1_CLK_CTRL, 6, 1, 0,
			&gem1clk_lock);
	clks[gem1] = clk_register_gate(NULL, clk_output_name[gem1],
			"gem1_emio_mux", CLK_SET_RATE_PARENT,
			SLCR_GEM1_CLK_CTRL, 0, 0, &gem1clk_lock);

	tmp = strlen("mio_clk_00x");
	clk_name = kmalloc(tmp, GFP_KERNEL);
	for (i = 0; i < NUM_MIO_PINS; i++) {
		int idx;

		snprintf(clk_name, tmp, "mio_clk_%2.2d", i);
		idx = of_property_match_string(np, "clock-names", clk_name);
		if (idx >= 0)
			can_mio_mux_parents[i] = of_clk_get_parent_name(np,
						idx);
		else
			can_mio_mux_parents[i] = dummy_nm;
	}
	kfree(clk_name);
	clk = clk_register_mux(NULL, "can_mux", periph_parents, 4,
			CLK_SET_RATE_NO_REPARENT, SLCR_CAN_CLK_CTRL, 4, 2, 0,
			&canclk_lock);
	clk = clk_register_divider(NULL, "can_div0", "can_mux", 0,
			SLCR_CAN_CLK_CTRL, 8, 6, CLK_DIVIDER_ONE_BASED |
			CLK_DIVIDER_ALLOW_ZERO, &canclk_lock);
	clk = clk_register_divider(NULL, "can_div1", "can_div0",
			CLK_SET_RATE_PARENT, SLCR_CAN_CLK_CTRL, 20, 6,
			CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
			&canclk_lock);
	clk = clk_register_gate(NULL, "can0_gate", "can_div1",
			CLK_SET_RATE_PARENT, SLCR_CAN_CLK_CTRL, 0, 0,
			&canclk_lock);
	clk = clk_register_gate(NULL, "can1_gate", "can_div1",
			CLK_SET_RATE_PARENT, SLCR_CAN_CLK_CTRL, 1, 0,
			&canclk_lock);
	clk = clk_register_mux(NULL, "can0_mio_mux",
			can_mio_mux_parents, 54, CLK_SET_RATE_PARENT |
			CLK_SET_RATE_NO_REPARENT, SLCR_CAN_MIOCLK_CTRL, 0, 6, 0,
			&canmioclk_lock);
	clk = clk_register_mux(NULL, "can1_mio_mux",
			can_mio_mux_parents, 54, CLK_SET_RATE_PARENT |
			CLK_SET_RATE_NO_REPARENT, SLCR_CAN_MIOCLK_CTRL, 16, 6,
			0, &canmioclk_lock);
	clks[can0] = clk_register_mux(NULL, clk_output_name[can0],
			can0_mio_mux2_parents, 2, CLK_SET_RATE_PARENT |
			CLK_SET_RATE_NO_REPARENT, SLCR_CAN_MIOCLK_CTRL, 6, 1, 0,
			&canmioclk_lock);
	clks[can1] = clk_register_mux(NULL, clk_output_name[can1],
			can1_mio_mux2_parents, 2, CLK_SET_RATE_PARENT |
			CLK_SET_RATE_NO_REPARENT, SLCR_CAN_MIOCLK_CTRL, 22, 1,
			0, &canmioclk_lock);

	for (i = 0; i < ARRAY_SIZE(dbgtrc_emio_input_names); i++) {
		int idx = of_property_match_string(np, "clock-names",
				dbgtrc_emio_input_names[i]);
		if (idx >= 0)
			dbg_emio_mux_parents[i + 1] = of_clk_get_parent_name(np,
					idx);
	}
	clk = clk_register_mux(NULL, "dbg_mux", periph_parents, 4,
			CLK_SET_RATE_NO_REPARENT, SLCR_DBG_CLK_CTRL, 4, 2, 0,
			&dbgclk_lock);
	clk = clk_register_divider(NULL, "dbg_div", "dbg_mux", 0,
			SLCR_DBG_CLK_CTRL, 8, 6, CLK_DIVIDER_ONE_BASED |
			CLK_DIVIDER_ALLOW_ZERO, &dbgclk_lock);
	clk = clk_register_mux(NULL, "dbg_emio_mux", dbg_emio_mux_parents, 2,
			CLK_SET_RATE_NO_REPARENT, SLCR_DBG_CLK_CTRL, 6, 1, 0,
			&dbgclk_lock);
	clks[dbg_trc] = clk_register_gate(NULL, clk_output_name[dbg_trc],
			"dbg_emio_mux", CLK_SET_RATE_PARENT, SLCR_DBG_CLK_CTRL,
			0, 0, &dbgclk_lock);
	clks[dbg_apb] = clk_register_gate(NULL, clk_output_name[dbg_apb],
			clk_output_name[cpu_1x], 0, SLCR_DBG_CLK_CTRL, 1, 0,
			&dbgclk_lock);

	/* leave debug clocks in the state the bootloader set them up to */
	tmp = clk_readl(SLCR_DBG_CLK_CTRL);
	if (tmp & DBG_CLK_CTRL_CLKACT_TRC)
		if (clk_prepare_enable(clks[dbg_trc]))
			pr_warn("%s: trace clk enable failed\n", __func__);
	if (tmp & DBG_CLK_CTRL_CPU_1XCLKACT)
		if (clk_prepare_enable(clks[dbg_apb]))
			pr_warn("%s: debug APB clk enable failed\n", __func__);

	/* One gated clock for all APER clocks. */
	clks[dma] = clk_register_gate(NULL, clk_output_name[dma],
			clk_output_name[cpu_2x], 0, SLCR_APER_CLK_CTRL, 0, 0,
			&aperclk_lock);
	clks[usb0_aper] = clk_register_gate(NULL, clk_output_name[usb0_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 2, 0,
			&aperclk_lock);
	clks[usb1_aper] = clk_register_gate(NULL, clk_output_name[usb1_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 3, 0,
			&aperclk_lock);
	clks[gem0_aper] = clk_register_gate(NULL, clk_output_name[gem0_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 6, 0,
			&aperclk_lock);
	clks[gem1_aper] = clk_register_gate(NULL, clk_output_name[gem1_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 7, 0,
			&aperclk_lock);
	clks[sdio0_aper] = clk_register_gate(NULL, clk_output_name[sdio0_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 10, 0,
			&aperclk_lock);
	clks[sdio1_aper] = clk_register_gate(NULL, clk_output_name[sdio1_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 11, 0,
			&aperclk_lock);
	clks[spi0_aper] = clk_register_gate(NULL, clk_output_name[spi0_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 14, 0,
			&aperclk_lock);
	clks[spi1_aper] = clk_register_gate(NULL, clk_output_name[spi1_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 15, 0,
			&aperclk_lock);
	clks[can0_aper] = clk_register_gate(NULL, clk_output_name[can0_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 16, 0,
			&aperclk_lock);
	clks[can1_aper] = clk_register_gate(NULL, clk_output_name[can1_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 17, 0,
			&aperclk_lock);
	clks[i2c0_aper] = clk_register_gate(NULL, clk_output_name[i2c0_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 18, 0,
			&aperclk_lock);
	clks[i2c1_aper] = clk_register_gate(NULL, clk_output_name[i2c1_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 19, 0,
			&aperclk_lock);
	clks[uart0_aper] = clk_register_gate(NULL, clk_output_name[uart0_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 20, 0,
			&aperclk_lock);
	clks[uart1_aper] = clk_register_gate(NULL, clk_output_name[uart1_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 21, 0,
			&aperclk_lock);
	clks[gpio_aper] = clk_register_gate(NULL, clk_output_name[gpio_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 22, 0,
			&aperclk_lock);
	clks[lqspi_aper] = clk_register_gate(NULL, clk_output_name[lqspi_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 23, 0,
			&aperclk_lock);
	clks[smc_aper] = clk_register_gate(NULL, clk_output_name[smc_aper],
			clk_output_name[cpu_1x], 0, SLCR_APER_CLK_CTRL, 24, 0,
			&aperclk_lock);

	for (i = 0; i < ARRAY_SIZE(clks); i++) {
		if (IS_ERR(clks[i])) {
			pr_err("Zynq clk %d: register failed with %ld\n",
			       i, PTR_ERR(clks[i]));
			BUG();
		}
	}

	clk_data.clks = clks;
	clk_data.clk_num = ARRAY_SIZE(clks);
	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
}
Example #14
0
static void __init mx28_clocks_init(struct device_node *np)
{
	struct device_node *dcnp;
	u32 i;

	dcnp = of_find_compatible_node(NULL, NULL, "fsl,imx28-digctl");
	digctrl = of_iomap(dcnp, 0);
	WARN_ON(!digctrl);
	of_node_put(dcnp);

	clkctrl = of_iomap(np, 0);
	WARN_ON(!clkctrl);

	clk_misc_init();

	clks[ref_xtal] = mxs_clk_fixed("ref_xtal", 24000000);
	clks[pll0] = mxs_clk_pll("pll0", "ref_xtal", PLL0CTRL0, 17, 480000000);
	clks[pll1] = mxs_clk_pll("pll1", "ref_xtal", PLL1CTRL0, 17, 480000000);
	clks[pll2] = mxs_clk_pll("pll2", "ref_xtal", PLL2CTRL0, 23, 50000000);
	clks[ref_cpu] = mxs_clk_ref("ref_cpu", "pll0", FRAC0, 0);
	clks[ref_emi] = mxs_clk_ref("ref_emi", "pll0", FRAC0, 1);
	clks[ref_io1] = mxs_clk_ref("ref_io1", "pll0", FRAC0, 2);
	clks[ref_io0] = mxs_clk_ref("ref_io0", "pll0", FRAC0, 3);
	clks[ref_pix] = mxs_clk_ref("ref_pix", "pll0", FRAC1, 0);
	clks[ref_hsadc] = mxs_clk_ref("ref_hsadc", "pll0", FRAC1, 1);
	clks[ref_gpmi] = mxs_clk_ref("ref_gpmi", "pll0", FRAC1, 2);
	clks[saif0_sel] = mxs_clk_mux("saif0_sel", CLKSEQ, 0, 1, sel_pll0, ARRAY_SIZE(sel_pll0));
	clks[saif1_sel] = mxs_clk_mux("saif1_sel", CLKSEQ, 1, 1, sel_pll0, ARRAY_SIZE(sel_pll0));
	clks[gpmi_sel] = mxs_clk_mux("gpmi_sel", CLKSEQ, 2, 1, sel_gpmi, ARRAY_SIZE(sel_gpmi));
	clks[ssp0_sel] = mxs_clk_mux("ssp0_sel", CLKSEQ, 3, 1, sel_io0, ARRAY_SIZE(sel_io0));
	clks[ssp1_sel] = mxs_clk_mux("ssp1_sel", CLKSEQ, 4, 1, sel_io0, ARRAY_SIZE(sel_io0));
	clks[ssp2_sel] = mxs_clk_mux("ssp2_sel", CLKSEQ, 5, 1, sel_io1, ARRAY_SIZE(sel_io1));
	clks[ssp3_sel] = mxs_clk_mux("ssp3_sel", CLKSEQ, 6, 1, sel_io1, ARRAY_SIZE(sel_io1));
	clks[emi_sel] = mxs_clk_mux("emi_sel", CLKSEQ, 7, 1, emi_sels, ARRAY_SIZE(emi_sels));
	clks[etm_sel] = mxs_clk_mux("etm_sel", CLKSEQ, 8, 1, sel_cpu, ARRAY_SIZE(sel_cpu));
	clks[lcdif_sel] = mxs_clk_mux("lcdif_sel", CLKSEQ, 14, 1, sel_pix, ARRAY_SIZE(sel_pix));
	clks[cpu] = mxs_clk_mux("cpu", CLKSEQ, 18, 1, cpu_sels, ARRAY_SIZE(cpu_sels));
	clks[ptp_sel] = mxs_clk_mux("ptp_sel", ENET, 19, 1, ptp_sels, ARRAY_SIZE(ptp_sels));
	clks[cpu_pll] = mxs_clk_div("cpu_pll", "ref_cpu", CPU, 0, 6, 28);
	clks[cpu_xtal] = mxs_clk_div("cpu_xtal", "ref_xtal", CPU, 16, 10, 29);
	clks[hbus] = mxs_clk_div("hbus", "cpu", HBUS, 0, 5, 31);
	clks[xbus] = mxs_clk_div("xbus", "ref_xtal", XBUS, 0, 10, 31);
	clks[ssp0_div] = mxs_clk_div("ssp0_div", "ssp0_sel", SSP0, 0, 9, 29);
	clks[ssp1_div] = mxs_clk_div("ssp1_div", "ssp1_sel", SSP1, 0, 9, 29);
	clks[ssp2_div] = mxs_clk_div("ssp2_div", "ssp2_sel", SSP2, 0, 9, 29);
	clks[ssp3_div] = mxs_clk_div("ssp3_div", "ssp3_sel", SSP3, 0, 9, 29);
	clks[gpmi_div] = mxs_clk_div("gpmi_div", "gpmi_sel", GPMI, 0, 10, 29);
	clks[emi_pll] = mxs_clk_div("emi_pll", "ref_emi", EMI, 0, 6, 28);
	clks[emi_xtal] = mxs_clk_div("emi_xtal", "ref_xtal", EMI, 8, 4, 29);
	clks[lcdif_div] = mxs_clk_div("lcdif_div", "lcdif_sel", LCDIF, 0, 13, 29);
	clks[etm_div] = mxs_clk_div("etm_div", "etm_sel", ETM, 0, 7, 29);
	clks[ptp] = mxs_clk_div("ptp", "ptp_sel", ENET, 21, 6, 27);
	clks[saif0_div] = mxs_clk_frac("saif0_div", "saif0_sel", SAIF0, 0, 16, 29);
	clks[saif1_div] = mxs_clk_frac("saif1_div", "saif1_sel", SAIF1, 0, 16, 29);
	clks[clk32k_div] = mxs_clk_fixed_factor("clk32k_div", "ref_xtal", 1, 750);
	clks[rtc] = mxs_clk_fixed_factor("rtc", "ref_xtal", 1, 768);
	clks[lradc] = mxs_clk_fixed_factor("lradc", "clk32k", 1, 16);
	clks[spdif_div] = mxs_clk_fixed_factor("spdif_div", "pll0", 1, 4);
	clks[clk32k] = mxs_clk_gate("clk32k", "clk32k_div", XTAL, 26);
	clks[pwm] = mxs_clk_gate("pwm", "ref_xtal", XTAL, 29);
	clks[uart] = mxs_clk_gate("uart", "ref_xtal", XTAL, 31);
	clks[ssp0] = mxs_clk_gate("ssp0", "ssp0_div", SSP0, 31);
	clks[ssp1] = mxs_clk_gate("ssp1", "ssp1_div", SSP1, 31);
	clks[ssp2] = mxs_clk_gate("ssp2", "ssp2_div", SSP2, 31);
	clks[ssp3] = mxs_clk_gate("ssp3", "ssp3_div", SSP3, 31);
	clks[gpmi] = mxs_clk_gate("gpmi", "gpmi_div", GPMI, 31);
	clks[spdif] = mxs_clk_gate("spdif", "spdif_div", SPDIF, 31);
	clks[emi] = mxs_clk_gate("emi", "emi_sel", EMI, 31);
	clks[saif0] = mxs_clk_gate("saif0", "saif0_div", SAIF0, 31);
	clks[saif1] = mxs_clk_gate("saif1", "saif1_div", SAIF1, 31);
	clks[lcdif] = mxs_clk_gate("lcdif", "lcdif_div", LCDIF, 31);
	clks[etm] = mxs_clk_gate("etm", "etm_div", ETM, 31);
	clks[fec] = mxs_clk_gate("fec", "hbus", ENET, 30);
	clks[can0] = mxs_clk_gate("can0", "ref_xtal", FLEXCAN, 30);
	clks[can1] = mxs_clk_gate("can1", "ref_xtal", FLEXCAN, 28);
	clks[usb0] = mxs_clk_gate("usb0", "usb0_phy", DIGCTRL, 2);
	clks[usb1] = mxs_clk_gate("usb1", "usb1_phy", DIGCTRL, 16);
	clks[usb0_phy] = clk_register_gate(NULL, "usb0_phy", "pll0", 0, PLL0CTRL0, 18, 0, &mxs_lock);
	clks[usb1_phy] = clk_register_gate(NULL, "usb1_phy", "pll1", 0, PLL1CTRL0, 18, 0, &mxs_lock);
	clks[enet_out] = clk_register_gate(NULL, "enet_out", "pll2", 0, ENET, 18, 0, &mxs_lock);

	for (i = 0; i < ARRAY_SIZE(clks); i++)
		if (IS_ERR(clks[i])) {
			pr_err("i.MX28 clk %d: register failed with %ld\n",
				i, PTR_ERR(clks[i]));
			return;
		}

	clk_data.clks = clks;
	clk_data.clk_num = ARRAY_SIZE(clks);
	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);

	clk_register_clkdev(clks[enet_out], NULL, "enet_out");

	for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
		clk_prepare_enable(clks[clks_init_on[i]]);
}
Example #15
0
static void __init zynq_clk_register_fclk(enum zynq_clk fclk,
		const char *clk_name, void __iomem *fclk_ctrl_reg,
		const char **parents, int enable)
{
	struct clk *clk;
	u32 enable_reg;
	char *mux_name;
	char *div0_name;
	char *div1_name;
	spinlock_t *fclk_lock;
	spinlock_t *fclk_gate_lock;
	void __iomem *fclk_gate_reg = fclk_ctrl_reg + 8;

	fclk_lock = kmalloc(sizeof(*fclk_lock), GFP_KERNEL);
	if (!fclk_lock)
		goto err;
	fclk_gate_lock = kmalloc(sizeof(*fclk_gate_lock), GFP_KERNEL);
	if (!fclk_gate_lock)
		goto err_fclk_gate_lock;
	spin_lock_init(fclk_lock);
	spin_lock_init(fclk_gate_lock);

	mux_name = kasprintf(GFP_KERNEL, "%s_mux", clk_name);
	if (!mux_name)
		goto err_mux_name;
	div0_name = kasprintf(GFP_KERNEL, "%s_div0", clk_name);
	if (!div0_name)
		goto err_div0_name;
	div1_name = kasprintf(GFP_KERNEL, "%s_div1", clk_name);
	if (!div1_name)
		goto err_div1_name;

	clk = clk_register_mux(NULL, mux_name, parents, 4,
			CLK_SET_RATE_NO_REPARENT, fclk_ctrl_reg, 4, 2, 0,
			fclk_lock);

	clk = clk_register_divider(NULL, div0_name, mux_name,
			0, fclk_ctrl_reg, 8, 6, CLK_DIVIDER_ONE_BASED |
			CLK_DIVIDER_ALLOW_ZERO, fclk_lock);

	clk = clk_register_divider(NULL, div1_name, div0_name,
			CLK_SET_RATE_PARENT, fclk_ctrl_reg, 20, 6,
			CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
			fclk_lock);

	clks[fclk] = clk_register_gate(NULL, clk_name,
			div1_name, CLK_SET_RATE_PARENT, fclk_gate_reg,
			0, CLK_GATE_SET_TO_DISABLE, fclk_gate_lock);
	enable_reg = readl(fclk_gate_reg) & 1;
	if (enable && !enable_reg) {
		if (clk_prepare_enable(clks[fclk]))
			pr_warn("%s: FCLK%u enable failed\n", __func__,
					fclk - fclk0);
	}
	kfree(mux_name);
	kfree(div0_name);
	kfree(div1_name);

	return;

err_div1_name:
	kfree(div0_name);
err_div0_name:
	kfree(mux_name);
err_mux_name:
	kfree(fclk_gate_lock);
err_fclk_gate_lock:
	kfree(fclk_lock);
err:
	clks[fclk] = ERR_PTR(-ENOMEM);
}
Example #16
0
int __init mx28_clocks_init(void)
{
	int i;

	clk_misc_init();

	clks[ref_xtal] = mxs_clk_fixed("ref_xtal", 24000000);
	clks[pll0] = mxs_clk_pll("pll0", "ref_xtal", PLL0CTRL0, 17, 480000000);
	clks[pll1] = mxs_clk_pll("pll1", "ref_xtal", PLL1CTRL0, 17, 480000000);
	clks[pll2] = mxs_clk_pll("pll2", "ref_xtal", PLL2CTRL0, 23, 50000000);
	clks[ref_cpu] = mxs_clk_ref("ref_cpu", "pll0", FRAC0, 0);
	clks[ref_emi] = mxs_clk_ref("ref_emi", "pll0", FRAC0, 1);
	clks[ref_io1] = mxs_clk_ref("ref_io1", "pll0", FRAC0, 2);
	clks[ref_io0] = mxs_clk_ref("ref_io0", "pll0", FRAC0, 3);
	clks[ref_pix] = mxs_clk_ref("ref_pix", "pll0", FRAC1, 0);
	clks[ref_hsadc] = mxs_clk_ref("ref_hsadc", "pll0", FRAC1, 1);
	clks[ref_gpmi] = mxs_clk_ref("ref_gpmi", "pll0", FRAC1, 2);
	clks[saif0_sel] = mxs_clk_mux("saif0_sel", CLKSEQ, 0, 1, sel_pll0, ARRAY_SIZE(sel_pll0));
	clks[saif1_sel] = mxs_clk_mux("saif1_sel", CLKSEQ, 1, 1, sel_pll0, ARRAY_SIZE(sel_pll0));
	clks[gpmi_sel] = mxs_clk_mux("gpmi_sel", CLKSEQ, 2, 1, sel_gpmi, ARRAY_SIZE(sel_gpmi));
	clks[ssp0_sel] = mxs_clk_mux("ssp0_sel", CLKSEQ, 3, 1, sel_io0, ARRAY_SIZE(sel_io0));
	clks[ssp1_sel] = mxs_clk_mux("ssp1_sel", CLKSEQ, 4, 1, sel_io0, ARRAY_SIZE(sel_io0));
	clks[ssp2_sel] = mxs_clk_mux("ssp2_sel", CLKSEQ, 5, 1, sel_io1, ARRAY_SIZE(sel_io1));
	clks[ssp3_sel] = mxs_clk_mux("ssp3_sel", CLKSEQ, 6, 1, sel_io1, ARRAY_SIZE(sel_io1));
	clks[emi_sel] = mxs_clk_mux("emi_sel", CLKSEQ, 7, 1, emi_sels, ARRAY_SIZE(emi_sels));
	clks[etm_sel] = mxs_clk_mux("etm_sel", CLKSEQ, 8, 1, sel_cpu, ARRAY_SIZE(sel_cpu));
	clks[lcdif_sel] = mxs_clk_mux("lcdif_sel", CLKSEQ, 14, 1, sel_pix, ARRAY_SIZE(sel_pix));
	clks[cpu] = mxs_clk_mux("cpu", CLKSEQ, 18, 1, cpu_sels, ARRAY_SIZE(cpu_sels));
	clks[ptp_sel] = mxs_clk_mux("ptp_sel", ENET, 19, 1, ptp_sels, ARRAY_SIZE(ptp_sels));
	clks[cpu_pll] = mxs_clk_div("cpu_pll", "ref_cpu", CPU, 0, 6, 28);
	clks[cpu_xtal] = mxs_clk_div("cpu_xtal", "ref_xtal", CPU, 16, 10, 29);
	clks[hbus] = mxs_clk_div("hbus", "cpu", HBUS, 0, 5, 31);
	clks[xbus] = mxs_clk_div("xbus", "ref_xtal", XBUS, 0, 10, 31);
	clks[ssp0_div] = mxs_clk_div("ssp0_div", "ssp0_sel", SSP0, 0, 9, 29);
	clks[ssp1_div] = mxs_clk_div("ssp1_div", "ssp1_sel", SSP1, 0, 9, 29);
	clks[ssp2_div] = mxs_clk_div("ssp2_div", "ssp2_sel", SSP2, 0, 9, 29);
	clks[ssp3_div] = mxs_clk_div("ssp3_div", "ssp3_sel", SSP3, 0, 9, 29);
	clks[gpmi_div] = mxs_clk_div("gpmi_div", "gpmi_sel", GPMI, 0, 10, 29);
	clks[emi_pll] = mxs_clk_div("emi_pll", "ref_emi", EMI, 0, 6, 28);
	clks[emi_xtal] = mxs_clk_div("emi_xtal", "ref_xtal", EMI, 8, 4, 29);
	clks[lcdif_div] = mxs_clk_div("lcdif_div", "lcdif_sel", LCDIF, 0, 13, 29);
	clks[etm_div] = mxs_clk_div("etm_div", "etm_sel", ETM, 0, 7, 29);
	clks[ptp] = mxs_clk_div("ptp", "ptp_sel", ENET, 21, 6, 27);
	clks[saif0_div] = mxs_clk_frac("saif0_div", "saif0_sel", SAIF0, 0, 16, 29);
	clks[saif1_div] = mxs_clk_frac("saif1_div", "saif1_sel", SAIF1, 0, 16, 29);
	clks[clk32k_div] = mxs_clk_fixed_factor("clk32k_div", "ref_xtal", 1, 750);
	clks[rtc] = mxs_clk_fixed_factor("rtc", "ref_xtal", 1, 768);
	clks[lradc] = mxs_clk_fixed_factor("lradc", "clk32k", 1, 16);
	clks[spdif_div] = mxs_clk_fixed_factor("spdif_div", "pll0", 1, 4);
	clks[clk32k] = mxs_clk_gate("clk32k", "clk32k_div", XTAL, 26);
	clks[pwm] = mxs_clk_gate("pwm", "ref_xtal", XTAL, 29);
	clks[uart] = mxs_clk_gate("uart", "ref_xtal", XTAL, 31);
	clks[ssp0] = mxs_clk_gate("ssp0", "ssp0_div", SSP0, 31);
	clks[ssp1] = mxs_clk_gate("ssp1", "ssp1_div", SSP1, 31);
	clks[ssp2] = mxs_clk_gate("ssp2", "ssp2_div", SSP2, 31);
	clks[ssp3] = mxs_clk_gate("ssp3", "ssp3_div", SSP3, 31);
	clks[gpmi] = mxs_clk_gate("gpmi", "gpmi_div", GPMI, 31);
	clks[spdif] = mxs_clk_gate("spdif", "spdif_div", SPDIF, 31);
	clks[emi] = mxs_clk_gate("emi", "emi_sel", EMI, 31);
	clks[saif0] = mxs_clk_gate("saif0", "saif0_div", SAIF0, 31);
	clks[saif1] = mxs_clk_gate("saif1", "saif1_div", SAIF1, 31);
	clks[lcdif] = mxs_clk_gate("lcdif", "lcdif_div", LCDIF, 31);
	clks[etm] = mxs_clk_gate("etm", "etm_div", ETM, 31);
	clks[fec] = mxs_clk_gate("fec", "hbus", ENET, 30);
	clks[can0] = mxs_clk_gate("can0", "ref_xtal", FLEXCAN, 30);
	clks[can1] = mxs_clk_gate("can1", "ref_xtal", FLEXCAN, 28);
	clks[usb0] = mxs_clk_gate("usb0", "usb0_pwr", DIGCTRL, 2);
	clks[usb1] = mxs_clk_gate("usb1", "usb1_pwr", DIGCTRL, 16);
	clks[usb0_pwr] = clk_register_gate(NULL, "usb0_pwr", "pll0", 0, PLL0CTRL0, 18, 0, &mxs_lock);
	clks[usb1_pwr] = clk_register_gate(NULL, "usb1_pwr", "pll1", 0, PLL1CTRL0, 18, 0, &mxs_lock);
	clks[enet_out] = clk_register_gate(NULL, "enet_out", "pll2", 0, ENET, 18, 0, &mxs_lock);

	for (i = 0; i < ARRAY_SIZE(clks); i++)
		if (IS_ERR(clks[i])) {
			pr_err("i.MX28 clk %d: register failed with %ld\n",
				i, PTR_ERR(clks[i]));
			return PTR_ERR(clks[i]);
		}

	clk_register_clkdev(clks[clk32k], NULL, "timrot");
	clk_register_clkdev(clks[enet_out], NULL, "enet_out");
	clk_register_clkdevs(clks[hbus], hbus_lookups, ARRAY_SIZE(hbus_lookups));
	clk_register_clkdevs(clks[xbus], xbus_lookups, ARRAY_SIZE(xbus_lookups));
	clk_register_clkdevs(clks[uart], uart_lookups, ARRAY_SIZE(uart_lookups));
	clk_register_clkdevs(clks[ssp0], ssp0_lookups, ARRAY_SIZE(ssp0_lookups));
	clk_register_clkdevs(clks[ssp1], ssp1_lookups, ARRAY_SIZE(ssp1_lookups));
	clk_register_clkdevs(clks[ssp2], ssp2_lookups, ARRAY_SIZE(ssp2_lookups));
	clk_register_clkdevs(clks[ssp3], ssp3_lookups, ARRAY_SIZE(ssp3_lookups));
	clk_register_clkdevs(clks[gpmi], gpmi_lookups, ARRAY_SIZE(gpmi_lookups));
	clk_register_clkdevs(clks[saif0], saif0_lookups, ARRAY_SIZE(saif0_lookups));
	clk_register_clkdevs(clks[saif1], saif1_lookups, ARRAY_SIZE(saif1_lookups));
	clk_register_clkdevs(clks[lcdif], lcdif_lookups, ARRAY_SIZE(lcdif_lookups));
	clk_register_clkdevs(clks[fec], fec_lookups, ARRAY_SIZE(fec_lookups));
	clk_register_clkdevs(clks[can0], can0_lookups, ARRAY_SIZE(can0_lookups));
	clk_register_clkdevs(clks[can1], can1_lookups, ARRAY_SIZE(can1_lookups));

	for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
		clk_prepare_enable(clks[clks_init_on[i]]);

	mxs_timer_init(MX28_INT_TIMER0);

	return 0;
}
void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_base)
{
	struct clk *clk, *clk1;

	clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT,
			32000);
	clk_register_clkdev(clk, "osc_32k_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, CLK_IS_ROOT,
			24000000);
	clk_register_clkdev(clk, "osc_24m_clk", NULL);

	/* clock derived from 32 KHz osc clk */
	clk = clk_register_gate(NULL, "rtc-spear", "osc_32k_clk", 0,
			PERIP1_CLK_ENB, RTC_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "fc900000.rtc");

	/* clock derived from 24 MHz osc clk */
	clk = clk_register_fixed_rate(NULL, "pll3_clk", "osc_24m_clk", 0,
			48000000);
	clk_register_clkdev(clk, "pll3_clk", NULL);

	clk = clk_register_fixed_factor(NULL, "wdt_clk", "osc_24m_clk", 0, 1,
			1);
	clk_register_clkdev(clk, NULL, "fc880000.wdt");

	clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL,
			"osc_24m_clk", 0, PLL1_CTR, PLL1_FRQ, pll_rtbl,
			ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
	clk_register_clkdev(clk, "vco1_clk", NULL);
	clk_register_clkdev(clk1, "pll1_clk", NULL);

	clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL,
			"osc_24m_clk", 0, PLL2_CTR, PLL2_FRQ, pll_rtbl,
			ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
	clk_register_clkdev(clk, "vco2_clk", NULL);
	clk_register_clkdev(clk1, "pll2_clk", NULL);

	/* clock derived from pll1 clk */
	clk = clk_register_fixed_factor(NULL, "cpu_clk", "pll1_clk",
			CLK_SET_RATE_PARENT, 1, 1);
	clk_register_clkdev(clk, "cpu_clk", NULL);

	clk = clk_register_divider(NULL, "ahb_clk", "pll1_clk",
			CLK_SET_RATE_PARENT, CORE_CLK_CFG, HCLK_RATIO_SHIFT,
			HCLK_RATIO_MASK, 0, &_lock);
	clk_register_clkdev(clk, "ahb_clk", NULL);

	clk = clk_register_aux("uart_syn_clk", "uart_syn_gclk", "pll1_clk", 0,
			UART_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
			&_lock, &clk1);
	clk_register_clkdev(clk, "uart_syn_clk", NULL);
	clk_register_clkdev(clk1, "uart_syn_gclk", NULL);

	clk = clk_register_mux(NULL, "uart0_mclk", uart0_parents,
			ARRAY_SIZE(uart0_parents),
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			PERIP_CLK_CFG, UART_CLK_SHIFT, UART_CLK_MASK, 0,
			&_lock);
	clk_register_clkdev(clk, "uart0_mclk", NULL);

	clk = clk_register_gate(NULL, "uart0", "uart0_mclk",
			CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, UART_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "d0000000.serial");

	clk = clk_register_aux("firda_syn_clk", "firda_syn_gclk", "pll1_clk", 0,
			FIRDA_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
			&_lock, &clk1);
	clk_register_clkdev(clk, "firda_syn_clk", NULL);
	clk_register_clkdev(clk1, "firda_syn_gclk", NULL);

	clk = clk_register_mux(NULL, "firda_mclk", firda_parents,
			ARRAY_SIZE(firda_parents),
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			PERIP_CLK_CFG, FIRDA_CLK_SHIFT, FIRDA_CLK_MASK, 0,
			&_lock);
	clk_register_clkdev(clk, "firda_mclk", NULL);

	clk = clk_register_gate(NULL, "firda_clk", "firda_mclk",
			CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, FIRDA_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "firda");

	/* gpt clocks */
	clk_register_gpt("gpt0_syn_clk", "pll1_clk", 0, PRSC0_CLK_CFG, gpt_rtbl,
			ARRAY_SIZE(gpt_rtbl), &_lock);
	clk = clk_register_mux(NULL, "gpt0_clk", gpt0_parents,
			ARRAY_SIZE(gpt0_parents),
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			PERIP_CLK_CFG, GPT0_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, NULL, "gpt0");

	clk_register_gpt("gpt1_syn_clk", "pll1_clk", 0, PRSC1_CLK_CFG, gpt_rtbl,
			ARRAY_SIZE(gpt_rtbl), &_lock);
	clk = clk_register_mux(NULL, "gpt1_mclk", gpt1_parents,
			ARRAY_SIZE(gpt1_parents),
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			PERIP_CLK_CFG, GPT1_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gpt1_mclk", NULL);
	clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk",
			CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, GPT1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "gpt1");

	clk_register_gpt("gpt2_syn_clk", "pll1_clk", 0, PRSC2_CLK_CFG, gpt_rtbl,
			ARRAY_SIZE(gpt_rtbl), &_lock);
	clk = clk_register_mux(NULL, "gpt2_mclk", gpt2_parents,
			ARRAY_SIZE(gpt2_parents),
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			PERIP_CLK_CFG, GPT2_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gpt2_mclk", NULL);
	clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk",
			CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, GPT2_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "gpt2");

	/* general synths clocks */
	clk = clk_register_aux("gen0_syn_clk", "gen0_syn_gclk", "pll1_clk",
			0, GEN0_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
			&_lock, &clk1);
	clk_register_clkdev(clk, "gen0_syn_clk", NULL);
	clk_register_clkdev(clk1, "gen0_syn_gclk", NULL);

	clk = clk_register_aux("gen1_syn_clk", "gen1_syn_gclk", "pll1_clk",
			0, GEN1_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
			&_lock, &clk1);
	clk_register_clkdev(clk, "gen1_syn_clk", NULL);
	clk_register_clkdev(clk1, "gen1_syn_gclk", NULL);

	clk = clk_register_mux(NULL, "gen2_3_par_clk", gen2_3_parents,
			ARRAY_SIZE(gen2_3_parents), CLK_SET_RATE_NO_REPARENT,
			CORE_CLK_CFG, GEN_SYNTH2_3_CLK_SHIFT,
			GEN_SYNTH2_3_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gen2_3_par_clk", NULL);

	clk = clk_register_aux("gen2_syn_clk", "gen2_syn_gclk",
			"gen2_3_par_clk", 0, GEN2_CLK_SYNT, NULL, aux_rtbl,
			ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
	clk_register_clkdev(clk, "gen2_syn_clk", NULL);
	clk_register_clkdev(clk1, "gen2_syn_gclk", NULL);

	clk = clk_register_aux("gen3_syn_clk", "gen3_syn_gclk",
			"gen2_3_par_clk", 0, GEN3_CLK_SYNT, NULL, aux_rtbl,
			ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
	clk_register_clkdev(clk, "gen3_syn_clk", NULL);
	clk_register_clkdev(clk1, "gen3_syn_gclk", NULL);

	/* clock derived from pll3 clk */
	clk = clk_register_gate(NULL, "usbh_clk", "pll3_clk", 0, PERIP1_CLK_ENB,
			USBH_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "e1800000.ehci");
	clk_register_clkdev(clk, NULL, "e1900000.ohci");
	clk_register_clkdev(clk, NULL, "e2100000.ohci");

	clk = clk_register_fixed_factor(NULL, "usbh.0_clk", "usbh_clk", 0, 1,
			1);
	clk_register_clkdev(clk, "usbh.0_clk", NULL);

	clk = clk_register_fixed_factor(NULL, "usbh.1_clk", "usbh_clk", 0, 1,
			1);
	clk_register_clkdev(clk, "usbh.1_clk", NULL);

	clk = clk_register_gate(NULL, "usbd_clk", "pll3_clk", 0, PERIP1_CLK_ENB,
			USBD_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "e1100000.usbd");

	/* clock derived from ahb clk */
	clk = clk_register_fixed_factor(NULL, "ahbmult2_clk", "ahb_clk", 0, 2,
			1);
	clk_register_clkdev(clk, "ahbmult2_clk", NULL);

	clk = clk_register_mux(NULL, "ddr_clk", ddr_parents,
			ARRAY_SIZE(ddr_parents), CLK_SET_RATE_NO_REPARENT,
			PLL_CLK_CFG, MCTR_CLK_SHIFT, MCTR_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "ddr_clk", NULL);

	clk = clk_register_divider(NULL, "apb_clk", "ahb_clk",
			CLK_SET_RATE_PARENT, CORE_CLK_CFG, PCLK_RATIO_SHIFT,
			PCLK_RATIO_MASK, 0, &_lock);
	clk_register_clkdev(clk, "apb_clk", NULL);

	clk = clk_register_gate(NULL, "amem_clk", "ahb_clk", 0, AMEM_CLK_CFG,
			AMEM_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, "amem_clk", NULL);

	clk = clk_register_gate(NULL, "c3_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
			C3_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "c3_clk");

	clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
			DMA_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "fc400000.dma");

	clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
			GMAC_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "e0800000.eth");

	clk = clk_register_gate(NULL, "i2c0_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
			I2C_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "d0180000.i2c");

	clk = clk_register_gate(NULL, "jpeg_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
			JPEG_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "jpeg");

	clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
			SMI_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "fc000000.flash");

	/* clock derived from apb clk */
	clk = clk_register_gate(NULL, "adc_clk", "apb_clk", 0, PERIP1_CLK_ENB,
			ADC_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "d0080000.adc");

	clk = clk_register_gate(NULL, "gpio0_clk", "apb_clk", 0, PERIP1_CLK_ENB,
			GPIO_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "fc980000.gpio");

	clk = clk_register_gate(NULL, "ssp0_clk", "apb_clk", 0, PERIP1_CLK_ENB,
			SSP_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "d0100000.spi");

	/* RAS clk enable */
	clk = clk_register_gate(NULL, "ras_ahb_clk", "ahb_clk", 0, RAS_CLK_ENB,
			RAS_AHB_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, "ras_ahb_clk", NULL);

	clk = clk_register_gate(NULL, "ras_apb_clk", "apb_clk", 0, RAS_CLK_ENB,
			RAS_APB_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, "ras_apb_clk", NULL);

	clk = clk_register_gate(NULL, "ras_32k_clk", "osc_32k_clk", 0,
			RAS_CLK_ENB, RAS_32K_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, "ras_32k_clk", NULL);

	clk = clk_register_gate(NULL, "ras_24m_clk", "osc_24m_clk", 0,
			RAS_CLK_ENB, RAS_24M_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, "ras_24m_clk", NULL);

	clk = clk_register_gate(NULL, "ras_pll1_clk", "pll1_clk", 0,
			RAS_CLK_ENB, RAS_PLL1_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, "ras_pll1_clk", NULL);

	clk = clk_register_gate(NULL, "ras_pll2_clk", "pll2_clk", 0,
			RAS_CLK_ENB, RAS_PLL2_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, "ras_pll2_clk", NULL);

	clk = clk_register_gate(NULL, "ras_pll3_clk", "pll3_clk", 0,
			RAS_CLK_ENB, RAS_48M_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, "ras_pll3_clk", NULL);

	clk = clk_register_gate(NULL, "ras_syn0_gclk", "gen0_syn_gclk",
			CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT0_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "ras_syn0_gclk", NULL);

	clk = clk_register_gate(NULL, "ras_syn1_gclk", "gen1_syn_gclk",
			CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "ras_syn1_gclk", NULL);

	clk = clk_register_gate(NULL, "ras_syn2_gclk", "gen2_syn_gclk",
			CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT2_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "ras_syn2_gclk", NULL);

	clk = clk_register_gate(NULL, "ras_syn3_gclk", "gen3_syn_gclk",
			CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT3_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "ras_syn3_gclk", NULL);

	if (of_machine_is_compatible("st,spear300"))
		spear300_clk_init();
	else if (of_machine_is_compatible("st,spear310"))
		spear310_clk_init();
	else if (of_machine_is_compatible("st,spear320"))
		spear320_clk_init(soc_config_base);
}
Example #18
0
void __init mvebu_clk_gating_setup(struct device_node *np,
				   const struct clk_gating_soc_desc *desc)
{
	struct clk *clk;
	void __iomem *base;
	const char *default_parent = NULL;
	int n;

	if (ctrl) {
		pr_err("mvebu-clk-gating: cannot instantiate more than one gatable clock device\n");
		return;
	}

	base = of_iomap(np, 0);
	if (WARN_ON(!base))
		return;

	clk = of_clk_get(np, 0);
	if (!IS_ERR(clk)) {
		default_parent = __clk_get_name(clk);
		clk_put(clk);
	}

	ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
	if (WARN_ON(!ctrl))
		goto ctrl_out;

	/* lock must already be initialized */
	ctrl->lock = &ctrl_gating_lock;

	ctrl->base = base;

	/* Count, allocate, and register clock gates */
	for (n = 0; desc[n].name;)
		n++;

	ctrl->num_gates = n;
	ctrl->gates = kzalloc(ctrl->num_gates * sizeof(struct clk *),
			      GFP_KERNEL);
	if (WARN_ON(!ctrl->gates))
		goto gates_out;

	for (n = 0; n < ctrl->num_gates; n++) {
		const char *parent =
			(desc[n].parent) ? desc[n].parent : default_parent;
		ctrl->gates[n] = clk_register_gate(NULL, desc[n].name, parent,
					desc[n].flags, base, desc[n].bit_idx,
					0, ctrl->lock);
		WARN_ON(IS_ERR(ctrl->gates[n]));
	}

	of_clk_add_provider(np, clk_gating_get_src, ctrl);

	register_syscore_ops(&clk_gate_syscore_ops);

	return;
gates_out:
	kfree(ctrl);
ctrl_out:
	iounmap(base);
}
static void __init init_pllp(void __iomem *clk_base, void __iomem *pmc_base,
				struct tegra_clk *tegra_clks,
				struct tegra_clk_pll_params *pll_params)
{
	struct clk *clk;
	struct clk **dt_clk;
	int i;

	dt_clk = tegra_lookup_dt_id(tegra_clk_pll_p, tegra_clks);
	if (dt_clk) {
		/* PLLP */
		clk = tegra_clk_register_pll("pll_p", "pll_ref", clk_base,
					pmc_base, 0, pll_params, NULL);
		clk_register_clkdev(clk, "pll_p", NULL);
		*dt_clk = clk;
	}

	for (i = 0; i < ARRAY_SIZE(pllp_out_clks); i++) {
		struct pll_out_data *data;

		data = pllp_out_clks + i;

		dt_clk = tegra_lookup_dt_id(data->clk_id, tegra_clks);
		if (!dt_clk)
			continue;

		clk = tegra_clk_register_divider(data->div_name, "pll_p",
				clk_base + data->offset, 0, data->div_flags,
				data->div_shift, 8, 1, data->lock);
		clk = tegra_clk_register_pll_out(data->pll_out_name,
				data->div_name, clk_base + data->offset,
				data->rst_shift + 1, data->rst_shift,
				CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0,
				data->lock);
		*dt_clk = clk;
	}

	dt_clk = tegra_lookup_dt_id(tegra_clk_pll_p_out_cpu,
			tegra_clks);
	if (dt_clk) {
		/*
		 * Tegra210 has control on enabling/disabling PLLP branches to
		 * CPU, register a gate clock "pll_p_out_cpu" for this gating
		 * function and parent "pll_p_out4" to it, so when we are
		 * re-parenting CPU off from "pll_p_out4" the PLLP branching to
		 * CPU can be disabled automatically.
		 */
		clk = tegra_clk_register_divider("pll_p_out4_div",
				"pll_p_out_cpu", clk_base + PLLP_OUTB, 0, 0, 24,
				8, 1, &PLLP_OUTB_lock);

		dt_clk = tegra_lookup_dt_id(tegra_clk_pll_p_out4_cpu, tegra_clks);
		if (dt_clk) {
			clk = tegra_clk_register_pll_out("pll_p_out4",
					"pll_p_out4_div", clk_base + PLLP_OUTB,
					17, 16, CLK_IGNORE_UNUSED |
					CLK_SET_RATE_PARENT, 0,
					&PLLP_OUTB_lock);
			*dt_clk = clk;
		}
	}

	dt_clk = tegra_lookup_dt_id(tegra_clk_pll_p_out_hsio, tegra_clks);
	if (dt_clk) {
		/* PLLP_OUT_HSIO */
		clk = clk_register_gate(NULL, "pll_p_out_hsio", "pll_p",
				CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
				clk_base + PLLP_MISC1, 29, 0, NULL);
		*dt_clk = clk;
	}

	dt_clk = tegra_lookup_dt_id(tegra_clk_pll_p_out_xusb, tegra_clks);
	if (dt_clk) {
		/* PLLP_OUT_XUSB */
		clk = clk_register_gate(NULL, "pll_p_out_xusb",
				"pll_p_out_hsio", CLK_SET_RATE_PARENT |
				CLK_IGNORE_UNUSED, clk_base + PLLP_MISC1, 28, 0,
				NULL);
		clk_register_clkdev(clk, "pll_p_out_xusb", NULL);
		*dt_clk = clk;
	}
}
Example #20
0
File: bg2q.c Project: 24hours/linux
static void __init berlin2q_clock_setup(struct device_node *np)
{
	const char *parent_names[9];
	struct clk *clk;
	int n;

	gbase = of_iomap(np, 0);
	if (!gbase) {
		pr_err("%s: Unable to map global base\n", np->full_name);
		return;
	}

	/* BG2Q CPU PLL is not part of global registers */
	cpupll_base = of_iomap(np, 1);
	if (!cpupll_base) {
		pr_err("%s: Unable to map cpupll base\n", np->full_name);
		iounmap(gbase);
		return;
	}

	/* overwrite default clock names with DT provided ones */
	clk = of_clk_get_by_name(np, clk_names[REFCLK]);
	if (!IS_ERR(clk)) {
		clk_names[REFCLK] = __clk_get_name(clk);
		clk_put(clk);
	}

	/* simple register PLLs */
	clk = berlin2_pll_register(&bg2q_pll_map, gbase + REG_SYSPLLCTL0,
				   clk_names[SYSPLL], clk_names[REFCLK], 0);
	if (IS_ERR(clk))
		goto bg2q_fail;

	clk = berlin2_pll_register(&bg2q_pll_map, cpupll_base,
				   clk_names[CPUPLL], clk_names[REFCLK], 0);
	if (IS_ERR(clk))
		goto bg2q_fail;

	/* TODO: add BG2Q AVPLL */

	/*
	 * TODO: add reference clock bypass switches:
	 * memPLLSWBypass, cpuPLLSWBypass, and sysPLLSWBypass
	 */

	/* clock divider cells */
	for (n = 0; n < ARRAY_SIZE(bg2q_divs); n++) {
		const struct berlin2_div_data *dd = &bg2q_divs[n];
		int k;

		for (k = 0; k < dd->num_parents; k++)
			parent_names[k] = clk_names[dd->parent_ids[k]];

		clks[CLKID_SYS + n] = berlin2_div_register(&dd->map, gbase,
				dd->name, dd->div_flags, parent_names,
				dd->num_parents, dd->flags, &lock);
	}

	/* clock gate cells */
	for (n = 0; n < ARRAY_SIZE(bg2q_gates); n++) {
		const struct berlin2_gate_data *gd = &bg2q_gates[n];

		clks[CLKID_GFX2DAXI + n] = clk_register_gate(NULL, gd->name,
			    gd->parent_name, gd->flags, gbase + REG_CLKENABLE,
			    gd->bit_idx, 0, &lock);
	}

	/*
	 * twdclk is derived from cpu/3
	 * TODO: use cpupll until cpuclk is not available
	 */
	clks[CLKID_TWD] =
		clk_register_fixed_factor(NULL, "twd", clk_names[CPUPLL],
					  0, 1, 3);

	/* check for errors on leaf clocks */
	for (n = 0; n < MAX_CLKS; n++) {
		if (!IS_ERR(clks[n]))
			continue;

		pr_err("%s: Unable to register leaf clock %d\n",
		       np->full_name, n);
		goto bg2q_fail;
	}

	/* register clk-provider */
	clk_data.clks = clks;
	clk_data.clk_num = MAX_CLKS;
	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);

	return;

bg2q_fail:
	iounmap(cpupll_base);
	iounmap(gbase);
}
void __init spear1310_clk_init(void __iomem *misc_base, void __iomem *ras_base)
{
	struct clk *clk, *clk1;

	clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT,
			32000);
	clk_register_clkdev(clk, "osc_32k_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, CLK_IS_ROOT,
			24000000);
	clk_register_clkdev(clk, "osc_24m_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "osc_25m_clk", NULL, CLK_IS_ROOT,
			25000000);
	clk_register_clkdev(clk, "osc_25m_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "gmii_pad_clk", NULL, CLK_IS_ROOT,
			125000000);
	clk_register_clkdev(clk, "gmii_pad_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "i2s_src_pad_clk", NULL,
			CLK_IS_ROOT, 12288000);
	clk_register_clkdev(clk, "i2s_src_pad_clk", NULL);

	/* clock derived from 32 KHz osc clk */
	clk = clk_register_gate(NULL, "rtc-spear", "osc_32k_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_RTC_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e0580000.rtc");

	/* clock derived from 24 or 25 MHz osc clk */
	/* vco-pll */
	clk = clk_register_mux(NULL, "vco1_mclk", vco_parents,
			ARRAY_SIZE(vco_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_PLL_CFG, SPEAR1310_PLL1_CLK_SHIFT,
			SPEAR1310_PLL_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "vco1_mclk", NULL);
	clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, "vco1_mclk",
			0, SPEAR1310_PLL1_CTR, SPEAR1310_PLL1_FRQ, pll_rtbl,
			ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
	clk_register_clkdev(clk, "vco1_clk", NULL);
	clk_register_clkdev(clk1, "pll1_clk", NULL);

	clk = clk_register_mux(NULL, "vco2_mclk", vco_parents,
			ARRAY_SIZE(vco_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_PLL_CFG, SPEAR1310_PLL2_CLK_SHIFT,
			SPEAR1310_PLL_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "vco2_mclk", NULL);
	clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, "vco2_mclk",
			0, SPEAR1310_PLL2_CTR, SPEAR1310_PLL2_FRQ, pll_rtbl,
			ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
	clk_register_clkdev(clk, "vco2_clk", NULL);
	clk_register_clkdev(clk1, "pll2_clk", NULL);

	clk = clk_register_mux(NULL, "vco3_mclk", vco_parents,
			ARRAY_SIZE(vco_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_PLL_CFG, SPEAR1310_PLL3_CLK_SHIFT,
			SPEAR1310_PLL_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "vco3_mclk", NULL);
	clk = clk_register_vco_pll("vco3_clk", "pll3_clk", NULL, "vco3_mclk",
			0, SPEAR1310_PLL3_CTR, SPEAR1310_PLL3_FRQ, pll_rtbl,
			ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
	clk_register_clkdev(clk, "vco3_clk", NULL);
	clk_register_clkdev(clk1, "pll3_clk", NULL);

	clk = clk_register_vco_pll("vco4_clk", "pll4_clk", NULL, "osc_24m_clk",
			0, SPEAR1310_PLL4_CTR, SPEAR1310_PLL4_FRQ, pll4_rtbl,
			ARRAY_SIZE(pll4_rtbl), &_lock, &clk1, NULL);
	clk_register_clkdev(clk, "vco4_clk", NULL);
	clk_register_clkdev(clk1, "pll4_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "pll5_clk", "osc_24m_clk", 0,
			48000000);
	clk_register_clkdev(clk, "pll5_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "pll6_clk", "osc_25m_clk", 0,
			25000000);
	clk_register_clkdev(clk, "pll6_clk", NULL);

	/* vco div n clocks */
	clk = clk_register_fixed_factor(NULL, "vco1div2_clk", "vco1_clk", 0, 1,
			2);
	clk_register_clkdev(clk, "vco1div2_clk", NULL);

	clk = clk_register_fixed_factor(NULL, "vco1div4_clk", "vco1_clk", 0, 1,
			4);
	clk_register_clkdev(clk, "vco1div4_clk", NULL);

	clk = clk_register_fixed_factor(NULL, "vco2div2_clk", "vco2_clk", 0, 1,
			2);
	clk_register_clkdev(clk, "vco2div2_clk", NULL);

	clk = clk_register_fixed_factor(NULL, "vco3div2_clk", "vco3_clk", 0, 1,
			2);
	clk_register_clkdev(clk, "vco3div2_clk", NULL);

	/* peripherals */
	clk_register_fixed_factor(NULL, "thermal_clk", "osc_24m_clk", 0, 1,
			128);
	clk = clk_register_gate(NULL, "thermal_gclk", "thermal_clk", 0,
			SPEAR1310_PERIP2_CLK_ENB, SPEAR1310_THSENS_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "spear_thermal");

	/* clock derived from pll4 clk */
	clk = clk_register_fixed_factor(NULL, "ddr_clk", "pll4_clk", 0, 1,
			1);
	clk_register_clkdev(clk, "ddr_clk", NULL);

	/* clock derived from pll1 clk */
	clk = clk_register_fixed_factor(NULL, "cpu_clk", "pll1_clk",
			CLK_SET_RATE_PARENT, 1, 2);
	clk_register_clkdev(clk, "cpu_clk", NULL);

	clk = clk_register_fixed_factor(NULL, "wdt_clk", "cpu_clk", 0, 1,
			2);
	clk_register_clkdev(clk, NULL, "ec800620.wdt");

	clk = clk_register_fixed_factor(NULL, "smp_twd_clk", "cpu_clk", 0, 1,
			2);
	clk_register_clkdev(clk, NULL, "smp_twd");

	clk = clk_register_fixed_factor(NULL, "ahb_clk", "pll1_clk", 0, 1,
			6);
	clk_register_clkdev(clk, "ahb_clk", NULL);

	clk = clk_register_fixed_factor(NULL, "apb_clk", "pll1_clk", 0, 1,
			12);
	clk_register_clkdev(clk, "apb_clk", NULL);

	/* gpt clocks */
	clk = clk_register_mux(NULL, "gpt0_mclk", gpt_parents,
			ARRAY_SIZE(gpt_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_PERIP_CLK_CFG, SPEAR1310_GPT0_CLK_SHIFT,
			SPEAR1310_GPT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gpt0_mclk", NULL);
	clk = clk_register_gate(NULL, "gpt0_clk", "gpt0_mclk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_GPT0_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "gpt0");

	clk = clk_register_mux(NULL, "gpt1_mclk", gpt_parents,
			ARRAY_SIZE(gpt_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_PERIP_CLK_CFG, SPEAR1310_GPT1_CLK_SHIFT,
			SPEAR1310_GPT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gpt1_mclk", NULL);
	clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_GPT1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "gpt1");

	clk = clk_register_mux(NULL, "gpt2_mclk", gpt_parents,
			ARRAY_SIZE(gpt_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_PERIP_CLK_CFG, SPEAR1310_GPT2_CLK_SHIFT,
			SPEAR1310_GPT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gpt2_mclk", NULL);
	clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk", 0,
			SPEAR1310_PERIP2_CLK_ENB, SPEAR1310_GPT2_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "gpt2");

	clk = clk_register_mux(NULL, "gpt3_mclk", gpt_parents,
			ARRAY_SIZE(gpt_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_PERIP_CLK_CFG, SPEAR1310_GPT3_CLK_SHIFT,
			SPEAR1310_GPT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gpt3_mclk", NULL);
	clk = clk_register_gate(NULL, "gpt3_clk", "gpt3_mclk", 0,
			SPEAR1310_PERIP2_CLK_ENB, SPEAR1310_GPT3_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "gpt3");

	/* others */
	clk = clk_register_aux("uart_syn_clk", "uart_syn_gclk", "vco1div2_clk",
			0, SPEAR1310_UART_CLK_SYNT, NULL, aux_rtbl,
			ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
	clk_register_clkdev(clk, "uart_syn_clk", NULL);
	clk_register_clkdev(clk1, "uart_syn_gclk", NULL);

	clk = clk_register_mux(NULL, "uart0_mclk", uart0_parents,
			ARRAY_SIZE(uart0_parents),
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_PERIP_CLK_CFG, SPEAR1310_UART_CLK_SHIFT,
			SPEAR1310_UART_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "uart0_mclk", NULL);

	clk = clk_register_gate(NULL, "uart0_clk", "uart0_mclk",
			CLK_SET_RATE_PARENT, SPEAR1310_PERIP1_CLK_ENB,
			SPEAR1310_UART_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "e0000000.serial");

	clk = clk_register_aux("sdhci_syn_clk", "sdhci_syn_gclk",
			"vco1div2_clk", 0, SPEAR1310_SDHCI_CLK_SYNT, NULL,
			aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
	clk_register_clkdev(clk, "sdhci_syn_clk", NULL);
	clk_register_clkdev(clk1, "sdhci_syn_gclk", NULL);

	clk = clk_register_gate(NULL, "sdhci_clk", "sdhci_syn_gclk",
			CLK_SET_RATE_PARENT, SPEAR1310_PERIP1_CLK_ENB,
			SPEAR1310_SDHCI_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "b3000000.sdhci");

	clk = clk_register_aux("cfxd_syn_clk", "cfxd_syn_gclk", "vco1div2_clk",
			0, SPEAR1310_CFXD_CLK_SYNT, NULL, aux_rtbl,
			ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
	clk_register_clkdev(clk, "cfxd_syn_clk", NULL);
	clk_register_clkdev(clk1, "cfxd_syn_gclk", NULL);

	clk = clk_register_gate(NULL, "cfxd_clk", "cfxd_syn_gclk",
			CLK_SET_RATE_PARENT, SPEAR1310_PERIP1_CLK_ENB,
			SPEAR1310_CFXD_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "b2800000.cf");
	clk_register_clkdev(clk, NULL, "arasan_xd");

	clk = clk_register_aux("c3_syn_clk", "c3_syn_gclk", "vco1div2_clk",
			0, SPEAR1310_C3_CLK_SYNT, NULL, aux_rtbl,
			ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
	clk_register_clkdev(clk, "c3_syn_clk", NULL);
	clk_register_clkdev(clk1, "c3_syn_gclk", NULL);

	clk = clk_register_mux(NULL, "c3_mclk", c3_parents,
			ARRAY_SIZE(c3_parents),
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_PERIP_CLK_CFG, SPEAR1310_C3_CLK_SHIFT,
			SPEAR1310_C3_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "c3_mclk", NULL);

	clk = clk_register_gate(NULL, "c3_clk", "c3_mclk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_C3_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "c3");

	/* gmac */
	clk = clk_register_mux(NULL, "phy_input_mclk", gmac_phy_input_parents,
			ARRAY_SIZE(gmac_phy_input_parents),
			CLK_SET_RATE_NO_REPARENT, SPEAR1310_GMAC_CLK_CFG,
			SPEAR1310_GMAC_PHY_INPUT_CLK_SHIFT,
			SPEAR1310_GMAC_PHY_INPUT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "phy_input_mclk", NULL);

	clk = clk_register_aux("phy_syn_clk", "phy_syn_gclk", "phy_input_mclk",
			0, SPEAR1310_GMAC_CLK_SYNT, NULL, gmac_rtbl,
			ARRAY_SIZE(gmac_rtbl), &_lock, &clk1);
	clk_register_clkdev(clk, "phy_syn_clk", NULL);
	clk_register_clkdev(clk1, "phy_syn_gclk", NULL);

	clk = clk_register_mux(NULL, "phy_mclk", gmac_phy_parents,
			ARRAY_SIZE(gmac_phy_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_PERIP_CLK_CFG, SPEAR1310_GMAC_PHY_CLK_SHIFT,
			SPEAR1310_GMAC_PHY_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "stmmacphy.0", NULL);

	/* clcd */
	clk = clk_register_mux(NULL, "clcd_syn_mclk", clcd_synth_parents,
			ARRAY_SIZE(clcd_synth_parents),
			CLK_SET_RATE_NO_REPARENT, SPEAR1310_CLCD_CLK_SYNT,
			SPEAR1310_CLCD_SYNT_CLK_SHIFT,
			SPEAR1310_CLCD_SYNT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "clcd_syn_mclk", NULL);

	clk = clk_register_frac("clcd_syn_clk", "clcd_syn_mclk", 0,
			SPEAR1310_CLCD_CLK_SYNT, clcd_rtbl,
			ARRAY_SIZE(clcd_rtbl), &_lock);
	clk_register_clkdev(clk, "clcd_syn_clk", NULL);

	clk = clk_register_mux(NULL, "clcd_pixel_mclk", clcd_pixel_parents,
			ARRAY_SIZE(clcd_pixel_parents),
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_PERIP_CLK_CFG, SPEAR1310_CLCD_CLK_SHIFT,
			SPEAR1310_CLCD_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "clcd_pixel_mclk", NULL);

	clk = clk_register_gate(NULL, "clcd_clk", "clcd_pixel_mclk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_CLCD_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e1000000.clcd");

	/* i2s */
	clk = clk_register_mux(NULL, "i2s_src_mclk", i2s_src_parents,
			ARRAY_SIZE(i2s_src_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_I2S_CLK_CFG, SPEAR1310_I2S_SRC_CLK_SHIFT,
			SPEAR1310_I2S_SRC_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "i2s_src_mclk", NULL);

	clk = clk_register_aux("i2s_prs1_clk", NULL, "i2s_src_mclk", 0,
			SPEAR1310_I2S_CLK_CFG, &i2s_prs1_masks, i2s_prs1_rtbl,
			ARRAY_SIZE(i2s_prs1_rtbl), &_lock, NULL);
	clk_register_clkdev(clk, "i2s_prs1_clk", NULL);

	clk = clk_register_mux(NULL, "i2s_ref_mclk", i2s_ref_parents,
			ARRAY_SIZE(i2s_ref_parents),
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_I2S_CLK_CFG, SPEAR1310_I2S_REF_SHIFT,
			SPEAR1310_I2S_REF_SEL_MASK, 0, &_lock);
	clk_register_clkdev(clk, "i2s_ref_mclk", NULL);

	clk = clk_register_gate(NULL, "i2s_ref_pad_clk", "i2s_ref_mclk", 0,
			SPEAR1310_PERIP2_CLK_ENB, SPEAR1310_I2S_REF_PAD_CLK_ENB,
			0, &_lock);
	clk_register_clkdev(clk, "i2s_ref_pad_clk", NULL);

	clk = clk_register_aux("i2s_sclk_clk", "i2s_sclk_gclk",
			"i2s_ref_mclk", 0, SPEAR1310_I2S_CLK_CFG,
			&i2s_sclk_masks, i2s_sclk_rtbl,
			ARRAY_SIZE(i2s_sclk_rtbl), &_lock, &clk1);
	clk_register_clkdev(clk, "i2s_sclk_clk", NULL);
	clk_register_clkdev(clk1, "i2s_sclk_gclk", NULL);

	/* clock derived from ahb clk */
	clk = clk_register_gate(NULL, "i2c0_clk", "ahb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_I2C0_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e0280000.i2c");

	clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_DMA_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "ea800000.dma");
	clk_register_clkdev(clk, NULL, "eb000000.dma");

	clk = clk_register_gate(NULL, "jpeg_clk", "ahb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_JPEG_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "b2000000.jpeg");

	clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_GMAC_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e2000000.eth");

	clk = clk_register_gate(NULL, "fsmc_clk", "ahb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_FSMC_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "b0000000.flash");

	clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_SMI_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "ea000000.flash");

	clk = clk_register_gate(NULL, "usbh0_clk", "ahb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_UHC0_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e4000000.ohci");
	clk_register_clkdev(clk, NULL, "e4800000.ehci");

	clk = clk_register_gate(NULL, "usbh1_clk", "ahb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_UHC1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e5000000.ohci");
	clk_register_clkdev(clk, NULL, "e5800000.ehci");

	clk = clk_register_gate(NULL, "uoc_clk", "ahb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_UOC_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e3800000.otg");

	clk = clk_register_gate(NULL, "pcie_sata_0_clk", "ahb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_PCIE_SATA_0_CLK_ENB,
			0, &_lock);
	clk_register_clkdev(clk, NULL, "b1000000.pcie");
	clk_register_clkdev(clk, NULL, "b1000000.ahci");

	clk = clk_register_gate(NULL, "pcie_sata_1_clk", "ahb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_PCIE_SATA_1_CLK_ENB,
			0, &_lock);
	clk_register_clkdev(clk, NULL, "b1800000.pcie");
	clk_register_clkdev(clk, NULL, "b1800000.ahci");

	clk = clk_register_gate(NULL, "pcie_sata_2_clk", "ahb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_PCIE_SATA_2_CLK_ENB,
			0, &_lock);
	clk_register_clkdev(clk, NULL, "b4000000.pcie");
	clk_register_clkdev(clk, NULL, "b4000000.ahci");

	clk = clk_register_gate(NULL, "sysram0_clk", "ahb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_SYSRAM0_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "sysram0_clk", NULL);

	clk = clk_register_gate(NULL, "sysram1_clk", "ahb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_SYSRAM1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "sysram1_clk", NULL);

	clk = clk_register_aux("adc_syn_clk", "adc_syn_gclk", "ahb_clk",
			0, SPEAR1310_ADC_CLK_SYNT, NULL, adc_rtbl,
			ARRAY_SIZE(adc_rtbl), &_lock, &clk1);
	clk_register_clkdev(clk, "adc_syn_clk", NULL);
	clk_register_clkdev(clk1, "adc_syn_gclk", NULL);

	clk = clk_register_gate(NULL, "adc_clk", "adc_syn_gclk",
			CLK_SET_RATE_PARENT, SPEAR1310_PERIP1_CLK_ENB,
			SPEAR1310_ADC_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "e0080000.adc");

	/* clock derived from apb clk */
	clk = clk_register_gate(NULL, "ssp0_clk", "apb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_SSP_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e0100000.spi");

	clk = clk_register_gate(NULL, "gpio0_clk", "apb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_GPIO0_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e0600000.gpio");

	clk = clk_register_gate(NULL, "gpio1_clk", "apb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_GPIO1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e0680000.gpio");

	clk = clk_register_gate(NULL, "i2s0_clk", "apb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_I2S0_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e0180000.i2s");

	clk = clk_register_gate(NULL, "i2s1_clk", "apb_clk", 0,
			SPEAR1310_PERIP1_CLK_ENB, SPEAR1310_I2S1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e0200000.i2s");

	clk = clk_register_gate(NULL, "kbd_clk", "apb_clk", 0,
			SPEAR1310_PERIP2_CLK_ENB, SPEAR1310_KBD_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e0300000.kbd");

	/* RAS clks */
	clk = clk_register_mux(NULL, "gen_syn0_1_mclk", gen_synth0_1_parents,
			ARRAY_SIZE(gen_synth0_1_parents),
			CLK_SET_RATE_NO_REPARENT, SPEAR1310_PLL_CFG,
			SPEAR1310_RAS_SYNT0_1_CLK_SHIFT,
			SPEAR1310_RAS_SYNT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gen_syn0_1_clk", NULL);

	clk = clk_register_mux(NULL, "gen_syn2_3_mclk", gen_synth2_3_parents,
			ARRAY_SIZE(gen_synth2_3_parents),
			CLK_SET_RATE_NO_REPARENT, SPEAR1310_PLL_CFG,
			SPEAR1310_RAS_SYNT2_3_CLK_SHIFT,
			SPEAR1310_RAS_SYNT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gen_syn2_3_clk", NULL);

	clk = clk_register_frac("gen_syn0_clk", "gen_syn0_1_clk", 0,
			SPEAR1310_RAS_CLK_SYNT0, gen_rtbl, ARRAY_SIZE(gen_rtbl),
			&_lock);
	clk_register_clkdev(clk, "gen_syn0_clk", NULL);

	clk = clk_register_frac("gen_syn1_clk", "gen_syn0_1_clk", 0,
			SPEAR1310_RAS_CLK_SYNT1, gen_rtbl, ARRAY_SIZE(gen_rtbl),
			&_lock);
	clk_register_clkdev(clk, "gen_syn1_clk", NULL);

	clk = clk_register_frac("gen_syn2_clk", "gen_syn2_3_clk", 0,
			SPEAR1310_RAS_CLK_SYNT2, gen_rtbl, ARRAY_SIZE(gen_rtbl),
			&_lock);
	clk_register_clkdev(clk, "gen_syn2_clk", NULL);

	clk = clk_register_frac("gen_syn3_clk", "gen_syn2_3_clk", 0,
			SPEAR1310_RAS_CLK_SYNT3, gen_rtbl, ARRAY_SIZE(gen_rtbl),
			&_lock);
	clk_register_clkdev(clk, "gen_syn3_clk", NULL);

	clk = clk_register_gate(NULL, "ras_osc_24m_clk", "osc_24m_clk", 0,
			SPEAR1310_RAS_CLK_ENB, SPEAR1310_OSC_24M_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "ras_osc_24m_clk", NULL);

	clk = clk_register_gate(NULL, "ras_osc_25m_clk", "osc_25m_clk", 0,
			SPEAR1310_RAS_CLK_ENB, SPEAR1310_OSC_25M_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "ras_osc_25m_clk", NULL);

	clk = clk_register_gate(NULL, "ras_osc_32k_clk", "osc_32k_clk", 0,
			SPEAR1310_RAS_CLK_ENB, SPEAR1310_OSC_32K_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "ras_osc_32k_clk", NULL);

	clk = clk_register_gate(NULL, "ras_pll2_clk", "pll2_clk", 0,
			SPEAR1310_RAS_CLK_ENB, SPEAR1310_PLL2_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "ras_pll2_clk", NULL);

	clk = clk_register_gate(NULL, "ras_pll3_clk", "pll3_clk", 0,
			SPEAR1310_RAS_CLK_ENB, SPEAR1310_PLL3_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "ras_pll3_clk", NULL);

	clk = clk_register_gate(NULL, "ras_tx125_clk", "gmii_pad_clk", 0,
			SPEAR1310_RAS_CLK_ENB, SPEAR1310_C125M_PAD_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "ras_tx125_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "ras_30m_fixed_clk", "pll5_clk", 0,
			30000000);
	clk = clk_register_gate(NULL, "ras_30m_clk", "ras_30m_fixed_clk", 0,
			SPEAR1310_RAS_CLK_ENB, SPEAR1310_C30M_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "ras_30m_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "ras_48m_fixed_clk", "pll5_clk", 0,
			48000000);
	clk = clk_register_gate(NULL, "ras_48m_clk", "ras_48m_fixed_clk", 0,
			SPEAR1310_RAS_CLK_ENB, SPEAR1310_C48M_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "ras_48m_clk", NULL);

	clk = clk_register_gate(NULL, "ras_ahb_clk", "ahb_clk", 0,
			SPEAR1310_RAS_CLK_ENB, SPEAR1310_ACLK_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "ras_ahb_clk", NULL);

	clk = clk_register_gate(NULL, "ras_apb_clk", "apb_clk", 0,
			SPEAR1310_RAS_CLK_ENB, SPEAR1310_PCLK_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "ras_apb_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "ras_plclk0_clk", NULL, CLK_IS_ROOT,
			50000000);

	clk = clk_register_fixed_rate(NULL, "ras_tx50_clk", NULL, CLK_IS_ROOT,
			50000000);

	clk = clk_register_gate(NULL, "can0_clk", "apb_clk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_CAN0_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "c_can_platform.0");

	clk = clk_register_gate(NULL, "can1_clk", "apb_clk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_CAN1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "c_can_platform.1");

	clk = clk_register_gate(NULL, "ras_smii0_clk", "ras_ahb_clk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_MII0_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5c400000.eth");

	clk = clk_register_gate(NULL, "ras_smii1_clk", "ras_ahb_clk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_MII1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5c500000.eth");

	clk = clk_register_gate(NULL, "ras_smii2_clk", "ras_ahb_clk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_MII2_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5c600000.eth");

	clk = clk_register_gate(NULL, "ras_rgmii_clk", "ras_ahb_clk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_GMII_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5c700000.eth");

	clk = clk_register_mux(NULL, "smii_rgmii_phy_mclk",
			smii_rgmii_phy_parents,
			ARRAY_SIZE(smii_rgmii_phy_parents),
			CLK_SET_RATE_NO_REPARENT, SPEAR1310_RAS_CTRL_REG1,
			SPEAR1310_SMII_RGMII_PHY_CLK_SHIFT,
			SPEAR1310_PHY_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "stmmacphy.1", NULL);
	clk_register_clkdev(clk, "stmmacphy.2", NULL);
	clk_register_clkdev(clk, "stmmacphy.4", NULL);

	clk = clk_register_mux(NULL, "rmii_phy_mclk", rmii_phy_parents,
			ARRAY_SIZE(rmii_phy_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG1, SPEAR1310_RMII_PHY_CLK_SHIFT,
			SPEAR1310_PHY_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "stmmacphy.3", NULL);

	clk = clk_register_mux(NULL, "uart1_mclk", uart_parents,
			ARRAY_SIZE(uart_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG0, SPEAR1310_UART1_CLK_SHIFT,
			SPEAR1310_RAS_UART_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "uart1_mclk", NULL);

	clk = clk_register_gate(NULL, "uart1_clk", "uart1_mclk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_UART1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5c800000.serial");

	clk = clk_register_mux(NULL, "uart2_mclk", uart_parents,
			ARRAY_SIZE(uart_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG0, SPEAR1310_UART2_CLK_SHIFT,
			SPEAR1310_RAS_UART_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "uart2_mclk", NULL);

	clk = clk_register_gate(NULL, "uart2_clk", "uart2_mclk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_UART2_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5c900000.serial");

	clk = clk_register_mux(NULL, "uart3_mclk", uart_parents,
			ARRAY_SIZE(uart_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG0, SPEAR1310_UART3_CLK_SHIFT,
			SPEAR1310_RAS_UART_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "uart3_mclk", NULL);

	clk = clk_register_gate(NULL, "uart3_clk", "uart3_mclk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_UART3_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5ca00000.serial");

	clk = clk_register_mux(NULL, "uart4_mclk", uart_parents,
			ARRAY_SIZE(uart_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG0, SPEAR1310_UART4_CLK_SHIFT,
			SPEAR1310_RAS_UART_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "uart4_mclk", NULL);

	clk = clk_register_gate(NULL, "uart4_clk", "uart4_mclk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_UART4_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5cb00000.serial");

	clk = clk_register_mux(NULL, "uart5_mclk", uart_parents,
			ARRAY_SIZE(uart_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG0, SPEAR1310_UART5_CLK_SHIFT,
			SPEAR1310_RAS_UART_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "uart5_mclk", NULL);

	clk = clk_register_gate(NULL, "uart5_clk", "uart5_mclk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_UART5_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5cc00000.serial");

	clk = clk_register_mux(NULL, "i2c1_mclk", i2c_parents,
			ARRAY_SIZE(i2c_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C1_CLK_SHIFT,
			SPEAR1310_I2C_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "i2c1_mclk", NULL);

	clk = clk_register_gate(NULL, "i2c1_clk", "i2c1_mclk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5cd00000.i2c");

	clk = clk_register_mux(NULL, "i2c2_mclk", i2c_parents,
			ARRAY_SIZE(i2c_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C2_CLK_SHIFT,
			SPEAR1310_I2C_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "i2c2_mclk", NULL);

	clk = clk_register_gate(NULL, "i2c2_clk", "i2c2_mclk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C2_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5ce00000.i2c");

	clk = clk_register_mux(NULL, "i2c3_mclk", i2c_parents,
			ARRAY_SIZE(i2c_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C3_CLK_SHIFT,
			SPEAR1310_I2C_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "i2c3_mclk", NULL);

	clk = clk_register_gate(NULL, "i2c3_clk", "i2c3_mclk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C3_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5cf00000.i2c");

	clk = clk_register_mux(NULL, "i2c4_mclk", i2c_parents,
			ARRAY_SIZE(i2c_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C4_CLK_SHIFT,
			SPEAR1310_I2C_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "i2c4_mclk", NULL);

	clk = clk_register_gate(NULL, "i2c4_clk", "i2c4_mclk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C4_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5d000000.i2c");

	clk = clk_register_mux(NULL, "i2c5_mclk", i2c_parents,
			ARRAY_SIZE(i2c_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C5_CLK_SHIFT,
			SPEAR1310_I2C_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "i2c5_mclk", NULL);

	clk = clk_register_gate(NULL, "i2c5_clk", "i2c5_mclk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C5_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5d100000.i2c");

	clk = clk_register_mux(NULL, "i2c6_mclk", i2c_parents,
			ARRAY_SIZE(i2c_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C6_CLK_SHIFT,
			SPEAR1310_I2C_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "i2c6_mclk", NULL);

	clk = clk_register_gate(NULL, "i2c6_clk", "i2c6_mclk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C6_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5d200000.i2c");

	clk = clk_register_mux(NULL, "i2c7_mclk", i2c_parents,
			ARRAY_SIZE(i2c_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG0, SPEAR1310_I2C7_CLK_SHIFT,
			SPEAR1310_I2C_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "i2c7_mclk", NULL);

	clk = clk_register_gate(NULL, "i2c7_clk", "i2c7_mclk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_I2C7_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5d300000.i2c");

	clk = clk_register_mux(NULL, "ssp1_mclk", ssp1_parents,
			ARRAY_SIZE(ssp1_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG0, SPEAR1310_SSP1_CLK_SHIFT,
			SPEAR1310_SSP1_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "ssp1_mclk", NULL);

	clk = clk_register_gate(NULL, "ssp1_clk", "ssp1_mclk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_SSP1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "5d400000.spi");

	clk = clk_register_mux(NULL, "pci_mclk", pci_parents,
			ARRAY_SIZE(pci_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG0, SPEAR1310_PCI_CLK_SHIFT,
			SPEAR1310_PCI_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "pci_mclk", NULL);

	clk = clk_register_gate(NULL, "pci_clk", "pci_mclk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_PCI_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "pci");

	clk = clk_register_mux(NULL, "tdm1_mclk", tdm_parents,
			ARRAY_SIZE(tdm_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG0, SPEAR1310_TDM1_CLK_SHIFT,
			SPEAR1310_TDM_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "tdm1_mclk", NULL);

	clk = clk_register_gate(NULL, "tdm1_clk", "tdm1_mclk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_TDM1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "tdm_hdlc.0");

	clk = clk_register_mux(NULL, "tdm2_mclk", tdm_parents,
			ARRAY_SIZE(tdm_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1310_RAS_CTRL_REG0, SPEAR1310_TDM2_CLK_SHIFT,
			SPEAR1310_TDM_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "tdm2_mclk", NULL);

	clk = clk_register_gate(NULL, "tdm2_clk", "tdm2_mclk", 0,
			SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_TDM2_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "tdm_hdlc.1");
}
static int sun6i_a31_apb0_gates_clk_probe(struct platform_device *pdev)
{
	struct device_node *np = pdev->dev.of_node;
	struct clk_onecell_data *clk_data;
	const char *clk_parent;
	const char *clk_name;
	struct resource *r;
	void __iomem *reg;
	int gate_id;
	int ngates;
	int i;

	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	reg = devm_ioremap_resource(&pdev->dev, r);
	if (IS_ERR(reg))
		return PTR_ERR(reg);

	clk_parent = of_clk_get_parent_name(np, 0);
	if (!clk_parent)
		return -EINVAL;

	ngates = of_property_count_strings(np, "clock-output-names");
	if (ngates < 0)
		return ngates;

	if (!ngates || ngates > SUN6I_APB0_GATES_MAX_SIZE)
		return -EINVAL;

	clk_data = devm_kzalloc(&pdev->dev, sizeof(struct clk_onecell_data),
				GFP_KERNEL);
	if (!clk_data)
		return -ENOMEM;

	clk_data->clks = devm_kzalloc(&pdev->dev,
				      SUN6I_APB0_GATES_MAX_SIZE *
				      sizeof(struct clk *),
				      GFP_KERNEL);
	if (!clk_data->clks)
		return -ENOMEM;

	for (i = 0; i < ngates; i++) {
		of_property_read_string_index(np, "clock-output-names",
					      i, &clk_name);

		gate_id = i;
		of_property_read_u32_index(np, "clock-indices", i, &gate_id);

		WARN_ON(gate_id >= SUN6I_APB0_GATES_MAX_SIZE);
		if (gate_id >= SUN6I_APB0_GATES_MAX_SIZE)
			continue;

		clk_data->clks[gate_id] = clk_register_gate(&pdev->dev,
							    clk_name,
							    clk_parent, 0,
							    reg, gate_id,
							    0, NULL);
		WARN_ON(IS_ERR(clk_data->clks[gate_id]));
	}

	clk_data->clk_num = ngates;

	return of_clk_add_provider(np, of_clk_src_onecell_get, clk_data);
}
Example #23
0
File: clk.c Project: 020gzh/linux
void __init rockchip_clk_register_branches(
				      struct rockchip_clk_branch *list,
				      unsigned int nr_clk)
{
	struct clk *clk = NULL;
	unsigned int idx;
	unsigned long flags;

	for (idx = 0; idx < nr_clk; idx++, list++) {
		flags = list->flags;

		/* catch simple muxes */
		switch (list->branch_type) {
		case branch_mux:
			clk = clk_register_mux(NULL, list->name,
				list->parent_names, list->num_parents,
				flags, reg_base + list->muxdiv_offset,
				list->mux_shift, list->mux_width,
				list->mux_flags, &clk_lock);
			break;
		case branch_divider:
			if (list->div_table)
				clk = clk_register_divider_table(NULL,
					list->name, list->parent_names[0],
					flags, reg_base + list->muxdiv_offset,
					list->div_shift, list->div_width,
					list->div_flags, list->div_table,
					&clk_lock);
			else
				clk = clk_register_divider(NULL, list->name,
					list->parent_names[0], flags,
					reg_base + list->muxdiv_offset,
					list->div_shift, list->div_width,
					list->div_flags, &clk_lock);
			break;
		case branch_fraction_divider:
			clk = rockchip_clk_register_frac_branch(list->name,
				list->parent_names, list->num_parents,
				reg_base, list->muxdiv_offset, list->div_flags,
				list->gate_offset, list->gate_shift,
				list->gate_flags, flags, list->child,
				&clk_lock);
			break;
		case branch_gate:
			flags |= CLK_SET_RATE_PARENT;

			clk = clk_register_gate(NULL, list->name,
				list->parent_names[0], flags,
				reg_base + list->gate_offset,
				list->gate_shift, list->gate_flags, &clk_lock);
			break;
		case branch_composite:
			clk = rockchip_clk_register_branch(list->name,
				list->parent_names, list->num_parents,
				reg_base, list->muxdiv_offset, list->mux_shift,
				list->mux_width, list->mux_flags,
				list->div_shift, list->div_width,
				list->div_flags, list->div_table,
				list->gate_offset, list->gate_shift,
				list->gate_flags, flags, &clk_lock);
			break;
		case branch_mmc:
			clk = rockchip_clk_register_mmc(
				list->name,
				list->parent_names, list->num_parents,
				reg_base + list->muxdiv_offset,
				list->div_shift
			);
			break;
		case branch_inverter:
			clk = rockchip_clk_register_inverter(
				list->name, list->parent_names,
				list->num_parents,
				reg_base + list->muxdiv_offset,
				list->div_shift, list->div_flags, &clk_lock);
			break;
		case branch_factor:
			clk = rockchip_clk_register_factor_branch(
				list->name, list->parent_names,
				list->num_parents, reg_base,
				list->div_shift, list->div_width,
				list->gate_offset, list->gate_shift,
				list->gate_flags, flags, &clk_lock);
			break;
		}

		/* none of the cases above matched */
		if (!clk) {
			pr_err("%s: unknown clock type %d\n",
			       __func__, list->branch_type);
			continue;
		}

		if (IS_ERR(clk)) {
			pr_err("%s: failed to register clock %s: %ld\n",
			       __func__, list->name, PTR_ERR(clk));
			continue;
		}

		rockchip_clk_add_lookup(clk, list->id);
	}
}
Example #24
0
int __init mx23_clocks_init(void)
{
	int i;

	clk_misc_init();

	clks[ref_xtal] = mxs_clk_fixed("ref_xtal", 24000000);
	clks[pll] = mxs_clk_pll("pll", "ref_xtal", PLLCTRL0, 16, 480000000);
	clks[ref_cpu] = mxs_clk_ref("ref_cpu", "pll", FRAC, 0);
	clks[ref_emi] = mxs_clk_ref("ref_emi", "pll", FRAC, 1);
	clks[ref_pix] = mxs_clk_ref("ref_pix", "pll", FRAC, 2);
	clks[ref_io] = mxs_clk_ref("ref_io", "pll", FRAC, 3);
	clks[saif_sel] = mxs_clk_mux("saif_sel", CLKSEQ, 0, 1, sel_pll, ARRAY_SIZE(sel_pll));
	clks[lcdif_sel] = mxs_clk_mux("lcdif_sel", CLKSEQ, 1, 1, sel_pix, ARRAY_SIZE(sel_pix));
	clks[gpmi_sel] = mxs_clk_mux("gpmi_sel", CLKSEQ, 4, 1, sel_io, ARRAY_SIZE(sel_io));
	clks[ssp_sel] = mxs_clk_mux("ssp_sel", CLKSEQ, 5, 1, sel_io, ARRAY_SIZE(sel_io));
	clks[emi_sel] = mxs_clk_mux("emi_sel", CLKSEQ, 6, 1, emi_sels, ARRAY_SIZE(emi_sels));
	clks[cpu] = mxs_clk_mux("cpu", CLKSEQ, 7, 1, cpu_sels, ARRAY_SIZE(cpu_sels));
	clks[etm_sel] = mxs_clk_mux("etm_sel", CLKSEQ, 8, 1, sel_cpu, ARRAY_SIZE(sel_cpu));
	clks[cpu_pll] = mxs_clk_div("cpu_pll", "ref_cpu", CPU, 0, 6, 28);
	clks[cpu_xtal] = mxs_clk_div("cpu_xtal", "ref_xtal", CPU, 16, 10, 29);
	clks[hbus] = mxs_clk_div("hbus", "cpu", HBUS, 0, 5, 29);
	clks[xbus] = mxs_clk_div("xbus", "ref_xtal", XBUS, 0, 10, 31);
	clks[lcdif_div] = mxs_clk_div("lcdif_div", "lcdif_sel", PIX, 0, 12, 29);
	clks[ssp_div] = mxs_clk_div("ssp_div", "ssp_sel", SSP, 0, 9, 29);
	clks[gpmi_div] = mxs_clk_div("gpmi_div", "gpmi_sel", GPMI, 0, 10, 29);
	clks[emi_pll] = mxs_clk_div("emi_pll", "ref_emi", EMI, 0, 6, 28);
	clks[emi_xtal] = mxs_clk_div("emi_xtal", "ref_xtal", EMI, 8, 4, 29);
	clks[etm_div] = mxs_clk_div("etm_div", "etm_sel", ETM, 0, 6, 29);
	clks[saif_div] = mxs_clk_frac("saif_div", "saif_sel", SAIF, 0, 16, 29);
	clks[clk32k_div] = mxs_clk_fixed_factor("clk32k_div", "ref_xtal", 1, 750);
	clks[rtc] = mxs_clk_fixed_factor("rtc", "ref_xtal", 1, 768);
	clks[adc] = mxs_clk_fixed_factor("adc", "clk32k", 1, 16);
	clks[spdif_div] = mxs_clk_fixed_factor("spdif_div", "pll", 1, 4);
	clks[clk32k] = mxs_clk_gate("clk32k", "clk32k_div", XTAL, 26);
	clks[dri] = mxs_clk_gate("dri", "ref_xtal", XTAL, 28);
	clks[pwm] = mxs_clk_gate("pwm", "ref_xtal", XTAL, 29);
	clks[filt] = mxs_clk_gate("filt", "ref_xtal", XTAL, 30);
	clks[uart] = mxs_clk_gate("uart", "ref_xtal", XTAL, 31);
	clks[ssp] = mxs_clk_gate("ssp", "ssp_div", SSP, 31);
	clks[gpmi] = mxs_clk_gate("gpmi", "gpmi_div", GPMI, 31);
	clks[spdif] = mxs_clk_gate("spdif", "spdif_div", SPDIF, 31);
	clks[emi] = mxs_clk_gate("emi", "emi_sel", EMI, 31);
	clks[saif] = mxs_clk_gate("saif", "saif_div", SAIF, 31);
	clks[lcdif] = mxs_clk_gate("lcdif", "lcdif_div", PIX, 31);
	clks[etm] = mxs_clk_gate("etm", "etm_div", ETM, 31);
	clks[usb] = mxs_clk_gate("usb", "usb_pwr", DIGCTRL, 2);
	clks[usb_pwr] = clk_register_gate(NULL, "usb_pwr", "pll", 0, PLLCTRL0, 18, 0, &mxs_lock);

	for (i = 0; i < ARRAY_SIZE(clks); i++)
		if (IS_ERR(clks[i])) {
			pr_err("i.MX23 clk %d: register failed with %ld\n",
				i, PTR_ERR(clks[i]));
			return PTR_ERR(clks[i]);
		}

	clk_register_clkdev(clks[clk32k], NULL, "timrot");
	clk_register_clkdevs(clks[hbus], hbus_lookups, ARRAY_SIZE(hbus_lookups));
	clk_register_clkdevs(clks[xbus], xbus_lookups, ARRAY_SIZE(xbus_lookups));
	clk_register_clkdevs(clks[uart], uart_lookups, ARRAY_SIZE(uart_lookups));
	clk_register_clkdevs(clks[ssp], ssp_lookups, ARRAY_SIZE(ssp_lookups));
	clk_register_clkdevs(clks[gpmi], gpmi_lookups, ARRAY_SIZE(gpmi_lookups));
	clk_register_clkdevs(clks[lcdif], lcdif_lookups, ARRAY_SIZE(lcdif_lookups));

	for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
		clk_prepare_enable(clks[clks_init_on[i]]);

	mxs_timer_init(MX23_INT_TIMER0);

	return 0;
}
Example #25
0
void __init spear6xx_clk_init(void __iomem *misc_base)
{
	struct clk *clk, *clk1;

	clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, 0, 32000);
	clk_register_clkdev(clk, "osc_32k_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "osc_30m_clk", NULL, 0, 30000000);
	clk_register_clkdev(clk, "osc_30m_clk", NULL);

	/* clock derived from 32 KHz osc clk */
	clk = clk_register_gate(NULL, "rtc_spear", "osc_32k_clk", 0,
			PERIP1_CLK_ENB, RTC_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "rtc-spear");

	/* clock derived from 30 MHz osc clk */
	clk = clk_register_fixed_rate(NULL, "pll3_clk", "osc_24m_clk", 0,
			48000000);
	clk_register_clkdev(clk, "pll3_clk", NULL);

	clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, "osc_30m_clk",
			0, PLL1_CTR, PLL1_FRQ, pll_rtbl, ARRAY_SIZE(pll_rtbl),
			&_lock, &clk1, NULL);
	clk_register_clkdev(clk, "vco1_clk", NULL);
	clk_register_clkdev(clk1, "pll1_clk", NULL);

	clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, "osc_30m_clk",
			0, PLL2_CTR, PLL2_FRQ, pll_rtbl, ARRAY_SIZE(pll_rtbl),
			&_lock, &clk1, NULL);
	clk_register_clkdev(clk, "vco2_clk", NULL);
	clk_register_clkdev(clk1, "pll2_clk", NULL);

	clk = clk_register_fixed_factor(NULL, "wdt_clk", "osc_30m_clk", 0, 1,
			1);
	clk_register_clkdev(clk, NULL, "wdt");

	/* clock derived from pll1 clk */
	clk = clk_register_fixed_factor(NULL, "cpu_clk", "pll1_clk",
			CLK_SET_RATE_PARENT, 1, 1);
	clk_register_clkdev(clk, "cpu_clk", NULL);

	clk = clk_register_divider(NULL, "ahb_clk", "pll1_clk",
			CLK_SET_RATE_PARENT, CORE_CLK_CFG, HCLK_RATIO_SHIFT,
			HCLK_RATIO_MASK, 0, &_lock);
	clk_register_clkdev(clk, "ahb_clk", NULL);

	clk = clk_register_aux("uart_syn_clk", "uart_syn_gclk", "pll1_clk", 0,
			UART_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
			&_lock, &clk1);
	clk_register_clkdev(clk, "uart_syn_clk", NULL);
	clk_register_clkdev(clk1, "uart_syn_gclk", NULL);

	clk = clk_register_mux(NULL, "uart_mclk", uart_parents,
			ARRAY_SIZE(uart_parents), CLK_SET_RATE_NO_REPARENT,
			PERIP_CLK_CFG, UART_CLK_SHIFT, UART_CLK_MASK, 0,
			&_lock);
	clk_register_clkdev(clk, "uart_mclk", NULL);

	clk = clk_register_gate(NULL, "uart0", "uart_mclk", 0, PERIP1_CLK_ENB,
			UART0_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "d0000000.serial");

	clk = clk_register_gate(NULL, "uart1", "uart_mclk", 0, PERIP1_CLK_ENB,
			UART1_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "d0080000.serial");

	clk = clk_register_aux("firda_syn_clk", "firda_syn_gclk", "pll1_clk",
			0, FIRDA_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
			&_lock, &clk1);
	clk_register_clkdev(clk, "firda_syn_clk", NULL);
	clk_register_clkdev(clk1, "firda_syn_gclk", NULL);

	clk = clk_register_mux(NULL, "firda_mclk", firda_parents,
			ARRAY_SIZE(firda_parents), CLK_SET_RATE_NO_REPARENT,
			PERIP_CLK_CFG, FIRDA_CLK_SHIFT, FIRDA_CLK_MASK, 0,
			&_lock);
	clk_register_clkdev(clk, "firda_mclk", NULL);

	clk = clk_register_gate(NULL, "firda_clk", "firda_mclk", 0,
			PERIP1_CLK_ENB, FIRDA_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "firda");

	clk = clk_register_aux("clcd_syn_clk", "clcd_syn_gclk", "pll1_clk",
			0, CLCD_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
			&_lock, &clk1);
	clk_register_clkdev(clk, "clcd_syn_clk", NULL);
	clk_register_clkdev(clk1, "clcd_syn_gclk", NULL);

	clk = clk_register_mux(NULL, "clcd_mclk", clcd_parents,
			ARRAY_SIZE(clcd_parents), CLK_SET_RATE_NO_REPARENT,
			PERIP_CLK_CFG, CLCD_CLK_SHIFT, CLCD_CLK_MASK, 0,
			&_lock);
	clk_register_clkdev(clk, "clcd_mclk", NULL);

	clk = clk_register_gate(NULL, "clcd_clk", "clcd_mclk", 0,
			PERIP1_CLK_ENB, CLCD_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "clcd");

	/* gpt clocks */
	clk = clk_register_gpt("gpt0_1_syn_clk", "pll1_clk", 0, PRSC0_CLK_CFG,
			gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock);
	clk_register_clkdev(clk, "gpt0_1_syn_clk", NULL);

	clk = clk_register_mux(NULL, "gpt0_mclk", gpt0_1_parents,
			ARRAY_SIZE(gpt0_1_parents), CLK_SET_RATE_NO_REPARENT,
			PERIP_CLK_CFG, GPT0_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, NULL, "gpt0");

	clk = clk_register_mux(NULL, "gpt1_mclk", gpt0_1_parents,
			ARRAY_SIZE(gpt0_1_parents), CLK_SET_RATE_NO_REPARENT,
			PERIP_CLK_CFG, GPT1_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gpt1_mclk", NULL);

	clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk", 0,
			PERIP1_CLK_ENB, GPT1_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "gpt1");

	clk = clk_register_gpt("gpt2_syn_clk", "pll1_clk", 0, PRSC1_CLK_CFG,
			gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock);
	clk_register_clkdev(clk, "gpt2_syn_clk", NULL);

	clk = clk_register_mux(NULL, "gpt2_mclk", gpt2_parents,
			ARRAY_SIZE(gpt2_parents), CLK_SET_RATE_NO_REPARENT,
			PERIP_CLK_CFG, GPT2_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gpt2_mclk", NULL);

	clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk", 0,
			PERIP1_CLK_ENB, GPT2_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "gpt2");

	clk = clk_register_gpt("gpt3_syn_clk", "pll1_clk", 0, PRSC2_CLK_CFG,
			gpt_rtbl, ARRAY_SIZE(gpt_rtbl), &_lock);
	clk_register_clkdev(clk, "gpt3_syn_clk", NULL);

	clk = clk_register_mux(NULL, "gpt3_mclk", gpt3_parents,
			ARRAY_SIZE(gpt3_parents), CLK_SET_RATE_NO_REPARENT,
			PERIP_CLK_CFG, GPT3_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gpt3_mclk", NULL);

	clk = clk_register_gate(NULL, "gpt3_clk", "gpt3_mclk", 0,
			PERIP1_CLK_ENB, GPT3_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "gpt3");

	/* clock derived from pll3 clk */
	clk = clk_register_gate(NULL, "usbh0_clk", "pll3_clk", 0,
			PERIP1_CLK_ENB, USBH0_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "e1800000.ehci");
	clk_register_clkdev(clk, NULL, "e1900000.ohci");

	clk = clk_register_gate(NULL, "usbh1_clk", "pll3_clk", 0,
			PERIP1_CLK_ENB, USBH1_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "e2000000.ehci");
	clk_register_clkdev(clk, NULL, "e2100000.ohci");

	clk = clk_register_gate(NULL, "usbd_clk", "pll3_clk", 0, PERIP1_CLK_ENB,
			USBD_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "designware_udc");

	/* clock derived from ahb clk */
	clk = clk_register_fixed_factor(NULL, "ahbmult2_clk", "ahb_clk", 0, 2,
			1);
	clk_register_clkdev(clk, "ahbmult2_clk", NULL);

	clk = clk_register_mux(NULL, "ddr_clk", ddr_parents,
			ARRAY_SIZE(ddr_parents), CLK_SET_RATE_NO_REPARENT,
			PLL_CLK_CFG, MCTR_CLK_SHIFT, MCTR_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "ddr_clk", NULL);

	clk = clk_register_divider(NULL, "apb_clk", "ahb_clk",
			CLK_SET_RATE_PARENT, CORE_CLK_CFG, PCLK_RATIO_SHIFT,
			PCLK_RATIO_MASK, 0, &_lock);
	clk_register_clkdev(clk, "apb_clk", NULL);

	clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
			DMA_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "fc400000.dma");

	clk = clk_register_gate(NULL, "fsmc_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
			FSMC_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "d1800000.flash");

	clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
			GMAC_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "e0800000.ethernet");

	clk = clk_register_gate(NULL, "i2c_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
			I2C_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "d0200000.i2c");

	clk = clk_register_gate(NULL, "jpeg_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
			JPEG_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "jpeg");

	clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
			SMI_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "fc000000.flash");

	/* clock derived from apb clk */
	clk = clk_register_gate(NULL, "adc_clk", "apb_clk", 0, PERIP1_CLK_ENB,
			ADC_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "d820b000.adc");

	clk = clk_register_fixed_factor(NULL, "gpio0_clk", "apb_clk", 0, 1, 1);
	clk_register_clkdev(clk, NULL, "f0100000.gpio");

	clk = clk_register_gate(NULL, "gpio1_clk", "apb_clk", 0, PERIP1_CLK_ENB,
			GPIO1_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "fc980000.gpio");

	clk = clk_register_gate(NULL, "gpio2_clk", "apb_clk", 0, PERIP1_CLK_ENB,
			GPIO2_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "d8100000.gpio");

	clk = clk_register_gate(NULL, "ssp0_clk", "apb_clk", 0, PERIP1_CLK_ENB,
			SSP0_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "ssp-pl022.0");

	clk = clk_register_gate(NULL, "ssp1_clk", "apb_clk", 0, PERIP1_CLK_ENB,
			SSP1_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "ssp-pl022.1");

	clk = clk_register_gate(NULL, "ssp2_clk", "apb_clk", 0, PERIP1_CLK_ENB,
			SSP2_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "ssp-pl022.2");
}
Example #26
0
void __init spear1340_clk_init(void __iomem *misc_base)
{
	struct clk *clk, *clk1;

	clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, 0, 32000);
	clk_register_clkdev(clk, "osc_32k_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, 0, 24000000);
	clk_register_clkdev(clk, "osc_24m_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "osc_25m_clk", NULL, 0, 25000000);
	clk_register_clkdev(clk, "osc_25m_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "gmii_pad_clk", NULL, 0, 125000000);
	clk_register_clkdev(clk, "gmii_pad_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "i2s_src_pad_clk", NULL, 0,
				      12288000);
	clk_register_clkdev(clk, "i2s_src_pad_clk", NULL);

	/* clock derived from 32 KHz osc clk */
	clk = clk_register_gate(NULL, "rtc-spear", "osc_32k_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_RTC_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e0580000.rtc");

	/* clock derived from 24 or 25 MHz osc clk */
	/* vco-pll */
	clk = clk_register_mux(NULL, "vco1_mclk", vco_parents,
			ARRAY_SIZE(vco_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_PLL_CFG, SPEAR1340_PLL1_CLK_SHIFT,
			SPEAR1340_PLL_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "vco1_mclk", NULL);
	clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, "vco1_mclk", 0,
			SPEAR1340_PLL1_CTR, SPEAR1340_PLL1_FRQ, pll_rtbl,
			ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
	clk_register_clkdev(clk, "vco1_clk", NULL);
	clk_register_clkdev(clk1, "pll1_clk", NULL);

	clk = clk_register_mux(NULL, "vco2_mclk", vco_parents,
			ARRAY_SIZE(vco_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_PLL_CFG, SPEAR1340_PLL2_CLK_SHIFT,
			SPEAR1340_PLL_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "vco2_mclk", NULL);
	clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, "vco2_mclk", 0,
			SPEAR1340_PLL2_CTR, SPEAR1340_PLL2_FRQ, pll_rtbl,
			ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
	clk_register_clkdev(clk, "vco2_clk", NULL);
	clk_register_clkdev(clk1, "pll2_clk", NULL);

	clk = clk_register_mux(NULL, "vco3_mclk", vco_parents,
			ARRAY_SIZE(vco_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_PLL_CFG, SPEAR1340_PLL3_CLK_SHIFT,
			SPEAR1340_PLL_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "vco3_mclk", NULL);
	clk = clk_register_vco_pll("vco3_clk", "pll3_clk", NULL, "vco3_mclk", 0,
			SPEAR1340_PLL3_CTR, SPEAR1340_PLL3_FRQ, pll_rtbl,
			ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
	clk_register_clkdev(clk, "vco3_clk", NULL);
	clk_register_clkdev(clk1, "pll3_clk", NULL);

	clk = clk_register_vco_pll("vco4_clk", "pll4_clk", NULL, "osc_24m_clk",
			0, SPEAR1340_PLL4_CTR, SPEAR1340_PLL4_FRQ, pll4_rtbl,
			ARRAY_SIZE(pll4_rtbl), &_lock, &clk1, NULL);
	clk_register_clkdev(clk, "vco4_clk", NULL);
	clk_register_clkdev(clk1, "pll4_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "pll5_clk", "osc_24m_clk", 0,
			48000000);
	clk_register_clkdev(clk, "pll5_clk", NULL);

	clk = clk_register_fixed_rate(NULL, "pll6_clk", "osc_25m_clk", 0,
			25000000);
	clk_register_clkdev(clk, "pll6_clk", NULL);

	/* vco div n clocks */
	clk = clk_register_fixed_factor(NULL, "vco1div2_clk", "vco1_clk", 0, 1,
			2);
	clk_register_clkdev(clk, "vco1div2_clk", NULL);

	clk = clk_register_fixed_factor(NULL, "vco1div4_clk", "vco1_clk", 0, 1,
			4);
	clk_register_clkdev(clk, "vco1div4_clk", NULL);

	clk = clk_register_fixed_factor(NULL, "vco2div2_clk", "vco2_clk", 0, 1,
			2);
	clk_register_clkdev(clk, "vco2div2_clk", NULL);

	clk = clk_register_fixed_factor(NULL, "vco3div2_clk", "vco3_clk", 0, 1,
			2);
	clk_register_clkdev(clk, "vco3div2_clk", NULL);

	/* peripherals */
	clk_register_fixed_factor(NULL, "thermal_clk", "osc_24m_clk", 0, 1,
			128);
	clk = clk_register_gate(NULL, "thermal_gclk", "thermal_clk", 0,
			SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_THSENS_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e07008c4.thermal");

	/* clock derived from pll4 clk */
	clk = clk_register_fixed_factor(NULL, "ddr_clk", "pll4_clk", 0, 1,
			1);
	clk_register_clkdev(clk, "ddr_clk", NULL);

	/* clock derived from pll1 clk */
	clk = clk_register_frac("sys_syn_clk", "vco1div2_clk", 0,
			SPEAR1340_SYS_CLK_SYNT, sys_synth_rtbl,
			ARRAY_SIZE(sys_synth_rtbl), &_lock);
	clk_register_clkdev(clk, "sys_syn_clk", NULL);

	clk = clk_register_frac("amba_syn_clk", "vco1div2_clk", 0,
			SPEAR1340_AMBA_CLK_SYNT, amba_synth_rtbl,
			ARRAY_SIZE(amba_synth_rtbl), &_lock);
	clk_register_clkdev(clk, "amba_syn_clk", NULL);

	clk = clk_register_mux(NULL, "sys_mclk", sys_parents,
			ARRAY_SIZE(sys_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_SYS_CLK_CTRL, SPEAR1340_SCLK_SRC_SEL_SHIFT,
			SPEAR1340_SCLK_SRC_SEL_MASK, 0, &_lock);
	clk_register_clkdev(clk, "sys_mclk", NULL);

	clk = clk_register_fixed_factor(NULL, "cpu_clk", "sys_mclk", 0, 1,
			2);
	clk_register_clkdev(clk, "cpu_clk", NULL);

	clk = clk_register_fixed_factor(NULL, "cpu_div3_clk", "cpu_clk", 0, 1,
			3);
	clk_register_clkdev(clk, "cpu_div3_clk", NULL);

	clk = clk_register_fixed_factor(NULL, "wdt_clk", "cpu_clk", 0, 1,
			2);
	clk_register_clkdev(clk, NULL, "ec800620.wdt");

	clk = clk_register_fixed_factor(NULL, "smp_twd_clk", "cpu_clk", 0, 1,
			2);
	clk_register_clkdev(clk, NULL, "smp_twd");

	clk = clk_register_mux(NULL, "ahb_clk", ahb_parents,
			ARRAY_SIZE(ahb_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_SYS_CLK_CTRL, SPEAR1340_HCLK_SRC_SEL_SHIFT,
			SPEAR1340_HCLK_SRC_SEL_MASK, 0, &_lock);
	clk_register_clkdev(clk, "ahb_clk", NULL);

	clk = clk_register_fixed_factor(NULL, "apb_clk", "ahb_clk", 0, 1,
			2);
	clk_register_clkdev(clk, "apb_clk", NULL);

	/* gpt clocks */
	clk = clk_register_mux(NULL, "gpt0_mclk", gpt_parents,
			ARRAY_SIZE(gpt_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GPT0_CLK_SHIFT,
			SPEAR1340_GPT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gpt0_mclk", NULL);
	clk = clk_register_gate(NULL, "gpt0_clk", "gpt0_mclk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPT0_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "gpt0");

	clk = clk_register_mux(NULL, "gpt1_mclk", gpt_parents,
			ARRAY_SIZE(gpt_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GPT1_CLK_SHIFT,
			SPEAR1340_GPT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gpt1_mclk", NULL);
	clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPT1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "gpt1");

	clk = clk_register_mux(NULL, "gpt2_mclk", gpt_parents,
			ARRAY_SIZE(gpt_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GPT2_CLK_SHIFT,
			SPEAR1340_GPT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gpt2_mclk", NULL);
	clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk", 0,
			SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_GPT2_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "gpt2");

	clk = clk_register_mux(NULL, "gpt3_mclk", gpt_parents,
			ARRAY_SIZE(gpt_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GPT3_CLK_SHIFT,
			SPEAR1340_GPT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gpt3_mclk", NULL);
	clk = clk_register_gate(NULL, "gpt3_clk", "gpt3_mclk", 0,
			SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_GPT3_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "gpt3");

	/* others */
	clk = clk_register_aux("uart0_syn_clk", "uart0_syn_gclk",
			"vco1div2_clk", 0, SPEAR1340_UART0_CLK_SYNT, NULL,
			aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
	clk_register_clkdev(clk, "uart0_syn_clk", NULL);
	clk_register_clkdev(clk1, "uart0_syn_gclk", NULL);

	clk = clk_register_mux(NULL, "uart0_mclk", uart0_parents,
			ARRAY_SIZE(uart0_parents),
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_PERIP_CLK_CFG, SPEAR1340_UART0_CLK_SHIFT,
			SPEAR1340_UART_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "uart0_mclk", NULL);

	clk = clk_register_gate(NULL, "uart0_clk", "uart0_mclk",
			CLK_SET_RATE_PARENT, SPEAR1340_PERIP1_CLK_ENB,
			SPEAR1340_UART0_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "e0000000.serial");

	clk = clk_register_aux("uart1_syn_clk", "uart1_syn_gclk",
			"vco1div2_clk", 0, SPEAR1340_UART1_CLK_SYNT, NULL,
			aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
	clk_register_clkdev(clk, "uart1_syn_clk", NULL);
	clk_register_clkdev(clk1, "uart1_syn_gclk", NULL);

	clk = clk_register_mux(NULL, "uart1_mclk", uart1_parents,
			ARRAY_SIZE(uart1_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_PERIP_CLK_CFG, SPEAR1340_UART1_CLK_SHIFT,
			SPEAR1340_UART_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "uart1_mclk", NULL);

	clk = clk_register_gate(NULL, "uart1_clk", "uart1_mclk", 0,
			SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_UART1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "b4100000.serial");

	clk = clk_register_aux("sdhci_syn_clk", "sdhci_syn_gclk",
			"vco1div2_clk", 0, SPEAR1340_SDHCI_CLK_SYNT, NULL,
			aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
	clk_register_clkdev(clk, "sdhci_syn_clk", NULL);
	clk_register_clkdev(clk1, "sdhci_syn_gclk", NULL);

	clk = clk_register_gate(NULL, "sdhci_clk", "sdhci_syn_gclk",
			CLK_SET_RATE_PARENT, SPEAR1340_PERIP1_CLK_ENB,
			SPEAR1340_SDHCI_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "b3000000.sdhci");

	clk = clk_register_aux("cfxd_syn_clk", "cfxd_syn_gclk", "vco1div2_clk",
			0, SPEAR1340_CFXD_CLK_SYNT, NULL, aux_rtbl,
			ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
	clk_register_clkdev(clk, "cfxd_syn_clk", NULL);
	clk_register_clkdev(clk1, "cfxd_syn_gclk", NULL);

	clk = clk_register_gate(NULL, "cfxd_clk", "cfxd_syn_gclk",
			CLK_SET_RATE_PARENT, SPEAR1340_PERIP1_CLK_ENB,
			SPEAR1340_CFXD_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "b2800000.cf");
	clk_register_clkdev(clk, NULL, "arasan_xd");

	clk = clk_register_aux("c3_syn_clk", "c3_syn_gclk", "vco1div2_clk", 0,
			SPEAR1340_C3_CLK_SYNT, NULL, aux_rtbl,
			ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
	clk_register_clkdev(clk, "c3_syn_clk", NULL);
	clk_register_clkdev(clk1, "c3_syn_gclk", NULL);

	clk = clk_register_mux(NULL, "c3_mclk", c3_parents,
			ARRAY_SIZE(c3_parents),
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_PERIP_CLK_CFG, SPEAR1340_C3_CLK_SHIFT,
			SPEAR1340_C3_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "c3_mclk", NULL);

	clk = clk_register_gate(NULL, "c3_clk", "c3_mclk", CLK_SET_RATE_PARENT,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_C3_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e1800000.c3");

	/* gmac */
	clk = clk_register_mux(NULL, "phy_input_mclk", gmac_phy_input_parents,
			ARRAY_SIZE(gmac_phy_input_parents),
			CLK_SET_RATE_NO_REPARENT, SPEAR1340_GMAC_CLK_CFG,
			SPEAR1340_GMAC_PHY_INPUT_CLK_SHIFT,
			SPEAR1340_GMAC_PHY_INPUT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "phy_input_mclk", NULL);

	clk = clk_register_aux("phy_syn_clk", "phy_syn_gclk", "phy_input_mclk",
			0, SPEAR1340_GMAC_CLK_SYNT, NULL, gmac_rtbl,
			ARRAY_SIZE(gmac_rtbl), &_lock, &clk1);
	clk_register_clkdev(clk, "phy_syn_clk", NULL);
	clk_register_clkdev(clk1, "phy_syn_gclk", NULL);

	clk = clk_register_mux(NULL, "phy_mclk", gmac_phy_parents,
			ARRAY_SIZE(gmac_phy_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GMAC_PHY_CLK_SHIFT,
			SPEAR1340_GMAC_PHY_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "stmmacphy.0", NULL);

	/* clcd */
	clk = clk_register_mux(NULL, "clcd_syn_mclk", clcd_synth_parents,
			ARRAY_SIZE(clcd_synth_parents),
			CLK_SET_RATE_NO_REPARENT, SPEAR1340_CLCD_CLK_SYNT,
			SPEAR1340_CLCD_SYNT_CLK_SHIFT,
			SPEAR1340_CLCD_SYNT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "clcd_syn_mclk", NULL);

	clk = clk_register_frac("clcd_syn_clk", "clcd_syn_mclk", 0,
			SPEAR1340_CLCD_CLK_SYNT, clcd_rtbl,
			ARRAY_SIZE(clcd_rtbl), &_lock);
	clk_register_clkdev(clk, "clcd_syn_clk", NULL);

	clk = clk_register_mux(NULL, "clcd_pixel_mclk", clcd_pixel_parents,
			ARRAY_SIZE(clcd_pixel_parents),
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_PERIP_CLK_CFG, SPEAR1340_CLCD_CLK_SHIFT,
			SPEAR1340_CLCD_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "clcd_pixel_mclk", NULL);

	clk = clk_register_gate(NULL, "clcd_clk", "clcd_pixel_mclk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_CLCD_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e1000000.clcd");

	/* i2s */
	clk = clk_register_mux(NULL, "i2s_src_mclk", i2s_src_parents,
			ARRAY_SIZE(i2s_src_parents), CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_I2S_CLK_CFG, SPEAR1340_I2S_SRC_CLK_SHIFT,
			SPEAR1340_I2S_SRC_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "i2s_src_mclk", NULL);

	clk = clk_register_aux("i2s_prs1_clk", NULL, "i2s_src_mclk",
			CLK_SET_RATE_PARENT, SPEAR1340_I2S_CLK_CFG,
			&i2s_prs1_masks, i2s_prs1_rtbl,
			ARRAY_SIZE(i2s_prs1_rtbl), &_lock, NULL);
	clk_register_clkdev(clk, "i2s_prs1_clk", NULL);

	clk = clk_register_mux(NULL, "i2s_ref_mclk", i2s_ref_parents,
			ARRAY_SIZE(i2s_ref_parents),
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_I2S_CLK_CFG, SPEAR1340_I2S_REF_SHIFT,
			SPEAR1340_I2S_REF_SEL_MASK, 0, &_lock);
	clk_register_clkdev(clk, "i2s_ref_mclk", NULL);

	clk = clk_register_gate(NULL, "i2s_ref_pad_clk", "i2s_ref_mclk", 0,
			SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_I2S_REF_PAD_CLK_ENB,
			0, &_lock);
	clk_register_clkdev(clk, "i2s_ref_pad_clk", NULL);

	clk = clk_register_aux("i2s_sclk_clk", "i2s_sclk_gclk", "i2s_ref_mclk",
			0, SPEAR1340_I2S_CLK_CFG, &i2s_sclk_masks,
			i2s_sclk_rtbl, ARRAY_SIZE(i2s_sclk_rtbl), &_lock,
			&clk1);
	clk_register_clkdev(clk, "i2s_sclk_clk", NULL);
	clk_register_clkdev(clk1, "i2s_sclk_gclk", NULL);

	/* clock derived from ahb clk */
	clk = clk_register_gate(NULL, "i2c0_clk", "ahb_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2C0_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e0280000.i2c");

	clk = clk_register_gate(NULL, "i2c1_clk", "ahb_clk", 0,
			SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_I2C1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "b4000000.i2c");

	clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_DMA_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "ea800000.dma");
	clk_register_clkdev(clk, NULL, "eb000000.dma");

	clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GMAC_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e2000000.eth");

	clk = clk_register_gate(NULL, "fsmc_clk", "ahb_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_FSMC_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "b0000000.flash");

	clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SMI_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "ea000000.flash");

	clk = clk_register_gate(NULL, "usbh0_clk", "ahb_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UHC0_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e4000000.ohci");
	clk_register_clkdev(clk, NULL, "e4800000.ehci");

	clk = clk_register_gate(NULL, "usbh1_clk", "ahb_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UHC1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e5000000.ohci");
	clk_register_clkdev(clk, NULL, "e5800000.ehci");

	clk = clk_register_gate(NULL, "uoc_clk", "ahb_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UOC_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e3800000.otg");

	clk = clk_register_gate(NULL, "pcie_sata_clk", "ahb_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_PCIE_SATA_CLK_ENB,
			0, &_lock);
	clk_register_clkdev(clk, NULL, "b1000000.pcie");
	clk_register_clkdev(clk, NULL, "b1000000.ahci");

	clk = clk_register_gate(NULL, "sysram0_clk", "ahb_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SYSRAM0_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "sysram0_clk", NULL);

	clk = clk_register_gate(NULL, "sysram1_clk", "ahb_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SYSRAM1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, "sysram1_clk", NULL);

	clk = clk_register_aux("adc_syn_clk", "adc_syn_gclk", "ahb_clk",
			0, SPEAR1340_ADC_CLK_SYNT, NULL, adc_rtbl,
			ARRAY_SIZE(adc_rtbl), &_lock, &clk1);
	clk_register_clkdev(clk, "adc_syn_clk", NULL);
	clk_register_clkdev(clk1, "adc_syn_gclk", NULL);

	clk = clk_register_gate(NULL, "adc_clk", "adc_syn_gclk",
			CLK_SET_RATE_PARENT, SPEAR1340_PERIP1_CLK_ENB,
			SPEAR1340_ADC_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "e0080000.adc");

	/* clock derived from apb clk */
	clk = clk_register_gate(NULL, "ssp_clk", "apb_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SSP_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e0100000.spi");

	clk = clk_register_gate(NULL, "gpio0_clk", "apb_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPIO0_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e0600000.gpio");

	clk = clk_register_gate(NULL, "gpio1_clk", "apb_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPIO1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e0680000.gpio");

	clk = clk_register_gate(NULL, "i2s_play_clk", "apb_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2S_PLAY_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "b2400000.i2s-play");

	clk = clk_register_gate(NULL, "i2s_rec_clk", "apb_clk", 0,
			SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2S_REC_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "b2000000.i2s-rec");

	clk = clk_register_gate(NULL, "kbd_clk", "apb_clk", 0,
			SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_KBD_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e0300000.kbd");

	/* RAS clks */
	clk = clk_register_mux(NULL, "gen_syn0_1_mclk", gen_synth0_1_parents,
			ARRAY_SIZE(gen_synth0_1_parents),
			CLK_SET_RATE_NO_REPARENT, SPEAR1340_PLL_CFG,
			SPEAR1340_GEN_SYNT0_1_CLK_SHIFT,
			SPEAR1340_GEN_SYNT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gen_syn0_1_mclk", NULL);

	clk = clk_register_mux(NULL, "gen_syn2_3_mclk", gen_synth2_3_parents,
			ARRAY_SIZE(gen_synth2_3_parents),
			CLK_SET_RATE_NO_REPARENT, SPEAR1340_PLL_CFG,
			SPEAR1340_GEN_SYNT2_3_CLK_SHIFT,
			SPEAR1340_GEN_SYNT_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "gen_syn2_3_mclk", NULL);

	clk = clk_register_frac("gen_syn0_clk", "gen_syn0_1_mclk", 0,
			SPEAR1340_GEN_CLK_SYNT0, gen_rtbl, ARRAY_SIZE(gen_rtbl),
			&_lock);
	clk_register_clkdev(clk, "gen_syn0_clk", NULL);

	clk = clk_register_frac("gen_syn1_clk", "gen_syn0_1_mclk", 0,
			SPEAR1340_GEN_CLK_SYNT1, gen_rtbl, ARRAY_SIZE(gen_rtbl),
			&_lock);
	clk_register_clkdev(clk, "gen_syn1_clk", NULL);

	clk = clk_register_frac("gen_syn2_clk", "gen_syn2_3_mclk", 0,
			SPEAR1340_GEN_CLK_SYNT2, gen_rtbl, ARRAY_SIZE(gen_rtbl),
			&_lock);
	clk_register_clkdev(clk, "gen_syn2_clk", NULL);

	clk = clk_register_frac("gen_syn3_clk", "gen_syn2_3_mclk", 0,
			SPEAR1340_GEN_CLK_SYNT3, gen_rtbl, ARRAY_SIZE(gen_rtbl),
			&_lock);
	clk_register_clkdev(clk, "gen_syn3_clk", NULL);

	clk = clk_register_gate(NULL, "mali_clk", "gen_syn3_clk",
			CLK_SET_RATE_PARENT, SPEAR1340_PERIP3_CLK_ENB,
			SPEAR1340_MALI_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "mali");

	clk = clk_register_gate(NULL, "cec0_clk", "ahb_clk", 0,
			SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CEC0_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "spear_cec.0");

	clk = clk_register_gate(NULL, "cec1_clk", "ahb_clk", 0,
			SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CEC1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "spear_cec.1");

	clk = clk_register_mux(NULL, "spdif_out_mclk", spdif_out_parents,
			ARRAY_SIZE(spdif_out_parents),
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_PERIP_CLK_CFG, SPEAR1340_SPDIF_OUT_CLK_SHIFT,
			SPEAR1340_SPDIF_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "spdif_out_mclk", NULL);

	clk = clk_register_gate(NULL, "spdif_out_clk", "spdif_out_mclk",
			CLK_SET_RATE_PARENT, SPEAR1340_PERIP3_CLK_ENB,
			SPEAR1340_SPDIF_OUT_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "d0000000.spdif-out");

	clk = clk_register_mux(NULL, "spdif_in_mclk", spdif_in_parents,
			ARRAY_SIZE(spdif_in_parents),
			CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
			SPEAR1340_PERIP_CLK_CFG, SPEAR1340_SPDIF_IN_CLK_SHIFT,
			SPEAR1340_SPDIF_CLK_MASK, 0, &_lock);
	clk_register_clkdev(clk, "spdif_in_mclk", NULL);

	clk = clk_register_gate(NULL, "spdif_in_clk", "spdif_in_mclk",
			CLK_SET_RATE_PARENT, SPEAR1340_PERIP3_CLK_ENB,
			SPEAR1340_SPDIF_IN_CLK_ENB, 0, &_lock);
	clk_register_clkdev(clk, NULL, "d0100000.spdif-in");

	clk = clk_register_gate(NULL, "acp_clk", "ahb_clk", 0,
			SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_ACP_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "acp_clk");

	clk = clk_register_gate(NULL, "plgpio_clk", "ahb_clk", 0,
			SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_PLGPIO_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e2800000.gpio");

	clk = clk_register_gate(NULL, "video_dec_clk", "ahb_clk", 0,
			SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_DEC_CLK_ENB,
			0, &_lock);
	clk_register_clkdev(clk, NULL, "video_dec");

	clk = clk_register_gate(NULL, "video_enc_clk", "ahb_clk", 0,
			SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_ENC_CLK_ENB,
			0, &_lock);
	clk_register_clkdev(clk, NULL, "video_enc");

	clk = clk_register_gate(NULL, "video_in_clk", "ahb_clk", 0,
			SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_IN_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "spear_vip");

	clk = clk_register_gate(NULL, "cam0_clk", "ahb_clk", 0,
			SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM0_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "d0200000.cam0");

	clk = clk_register_gate(NULL, "cam1_clk", "ahb_clk", 0,
			SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM1_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "d0300000.cam1");

	clk = clk_register_gate(NULL, "cam2_clk", "ahb_clk", 0,
			SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM2_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "d0400000.cam2");

	clk = clk_register_gate(NULL, "cam3_clk", "ahb_clk", 0,
			SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM3_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "d0500000.cam3");

	clk = clk_register_gate(NULL, "pwm_clk", "ahb_clk", 0,
			SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_PWM_CLK_ENB, 0,
			&_lock);
	clk_register_clkdev(clk, NULL, "e0180000.pwm");
}
Example #27
0
/* register exynos_audss clocks */
static void __init exynos_audss_clk_init(struct device_node *np)
{
	reg_base = of_iomap(np, 0);
	if (!reg_base) {
		pr_err("%s: failed to map audss registers\n", __func__);
		return;
	}

	clk_table = kzalloc(sizeof(struct clk *) * EXYNOS_AUDSS_MAX_CLKS,
				GFP_KERNEL);
	if (!clk_table) {
		pr_err("%s: could not allocate clk lookup table\n", __func__);
		return;
	}

	clk_data.clks = clk_table;
	clk_data.clk_num = EXYNOS_AUDSS_MAX_CLKS;
	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);

	clk_table[EXYNOS_MOUT_AUDSS] = clk_register_mux(NULL, "mout_audss",
				mout_audss_p, ARRAY_SIZE(mout_audss_p),
				CLK_SET_RATE_NO_REPARENT,
				reg_base + ASS_CLK_SRC, 0, 1, 0, &lock);

	clk_table[EXYNOS_MOUT_I2S] = clk_register_mux(NULL, "mout_i2s",
				mout_i2s_p, ARRAY_SIZE(mout_i2s_p),
				CLK_SET_RATE_NO_REPARENT,
				reg_base + ASS_CLK_SRC, 2, 2, 0, &lock);

	clk_table[EXYNOS_DOUT_SRP] = clk_register_divider(NULL, "dout_srp",
				"mout_audss", 0, reg_base + ASS_CLK_DIV, 0, 4,
				0, &lock);

	clk_table[EXYNOS_DOUT_AUD_BUS] = clk_register_divider(NULL,
				"dout_aud_bus", "dout_srp", 0,
				reg_base + ASS_CLK_DIV, 4, 4, 0, &lock);

	clk_table[EXYNOS_DOUT_I2S] = clk_register_divider(NULL, "dout_i2s",
				"mout_i2s", 0, reg_base + ASS_CLK_DIV, 8, 4, 0,
				&lock);

	clk_table[EXYNOS_SRP_CLK] = clk_register_gate(NULL, "srp_clk",
				"dout_srp", CLK_SET_RATE_PARENT,
				reg_base + ASS_CLK_GATE, 0, 0, &lock);

	clk_table[EXYNOS_I2S_BUS] = clk_register_gate(NULL, "i2s_bus",
				"dout_aud_bus", CLK_SET_RATE_PARENT,
				reg_base + ASS_CLK_GATE, 2, 0, &lock);

	clk_table[EXYNOS_SCLK_I2S] = clk_register_gate(NULL, "sclk_i2s",
				"dout_i2s", CLK_SET_RATE_PARENT,
				reg_base + ASS_CLK_GATE, 3, 0, &lock);

	clk_table[EXYNOS_PCM_BUS] = clk_register_gate(NULL, "pcm_bus",
				 "sclk_pcm", CLK_SET_RATE_PARENT,
				reg_base + ASS_CLK_GATE, 4, 0, &lock);

	clk_table[EXYNOS_SCLK_PCM] = clk_register_gate(NULL, "sclk_pcm",
				"div_pcm0", CLK_SET_RATE_PARENT,
				reg_base + ASS_CLK_GATE, 5, 0, &lock);

#ifdef CONFIG_PM_SLEEP
	register_syscore_ops(&exynos_audss_clk_syscore_ops);
#endif

	pr_info("Exynos: Audss: clock setup completed\n");
}
Example #28
0
static void __init mx23_clocks_init(struct device_node *np)
{
	struct device_node *dcnp;
	u32 i;

	dcnp = of_find_compatible_node(NULL, NULL, "fsl,imx23-digctl");
	digctrl = of_iomap(dcnp, 0);
	WARN_ON(!digctrl);
	of_node_put(dcnp);

	clkctrl = of_iomap(np, 0);
	WARN_ON(!clkctrl);

	clk_misc_init();

	clks[ref_xtal] = mxs_clk_fixed("ref_xtal", 24000000);
	clks[pll] = mxs_clk_pll("pll", "ref_xtal", PLLCTRL0, 16, 480000000);
	clks[ref_cpu] = mxs_clk_ref("ref_cpu", "pll", FRAC, 0);
	clks[ref_emi] = mxs_clk_ref("ref_emi", "pll", FRAC, 1);
	clks[ref_pix] = mxs_clk_ref("ref_pix", "pll", FRAC, 2);
	clks[ref_io] = mxs_clk_ref("ref_io", "pll", FRAC, 3);
	clks[saif_sel] = mxs_clk_mux("saif_sel", CLKSEQ, 0, 1, sel_pll, ARRAY_SIZE(sel_pll));
	clks[lcdif_sel] = mxs_clk_mux("lcdif_sel", CLKSEQ, 1, 1, sel_pix, ARRAY_SIZE(sel_pix));
	clks[gpmi_sel] = mxs_clk_mux("gpmi_sel", CLKSEQ, 4, 1, sel_io, ARRAY_SIZE(sel_io));
	clks[ssp_sel] = mxs_clk_mux("ssp_sel", CLKSEQ, 5, 1, sel_io, ARRAY_SIZE(sel_io));
	clks[emi_sel] = mxs_clk_mux("emi_sel", CLKSEQ, 6, 1, emi_sels, ARRAY_SIZE(emi_sels));
	clks[cpu] = mxs_clk_mux("cpu", CLKSEQ, 7, 1, cpu_sels, ARRAY_SIZE(cpu_sels));
	clks[etm_sel] = mxs_clk_mux("etm_sel", CLKSEQ, 8, 1, sel_cpu, ARRAY_SIZE(sel_cpu));
	clks[cpu_pll] = mxs_clk_div("cpu_pll", "ref_cpu", CPU, 0, 6, 28);
	clks[cpu_xtal] = mxs_clk_div("cpu_xtal", "ref_xtal", CPU, 16, 10, 29);
	clks[hbus] = mxs_clk_div("hbus", "cpu", HBUS, 0, 5, 29);
	clks[xbus] = mxs_clk_div("xbus", "ref_xtal", XBUS, 0, 10, 31);
	clks[lcdif_div] = mxs_clk_div("lcdif_div", "lcdif_sel", PIX, 0, 12, 29);
	clks[ssp_div] = mxs_clk_div("ssp_div", "ssp_sel", SSP, 0, 9, 29);
	clks[gpmi_div] = mxs_clk_div("gpmi_div", "gpmi_sel", GPMI, 0, 10, 29);
	clks[emi_pll] = mxs_clk_div("emi_pll", "ref_emi", EMI, 0, 6, 28);
	clks[emi_xtal] = mxs_clk_div("emi_xtal", "ref_xtal", EMI, 8, 4, 29);
	clks[etm_div] = mxs_clk_div("etm_div", "etm_sel", ETM, 0, 6, 29);
	clks[saif_div] = mxs_clk_frac("saif_div", "saif_sel", SAIF, 0, 16, 29);
	clks[clk32k_div] = mxs_clk_fixed_factor("clk32k_div", "ref_xtal", 1, 750);
	clks[rtc] = mxs_clk_fixed_factor("rtc", "ref_xtal", 1, 768);
	clks[adc] = mxs_clk_fixed_factor("adc", "clk32k", 1, 16);
	clks[spdif_div] = mxs_clk_fixed_factor("spdif_div", "pll", 1, 4);
	clks[clk32k] = mxs_clk_gate("clk32k", "clk32k_div", XTAL, 26);
	clks[dri] = mxs_clk_gate("dri", "ref_xtal", XTAL, 28);
	clks[pwm] = mxs_clk_gate("pwm", "ref_xtal", XTAL, 29);
	clks[filt] = mxs_clk_gate("filt", "ref_xtal", XTAL, 30);
	clks[uart] = mxs_clk_gate("uart", "ref_xtal", XTAL, 31);
	clks[ssp] = mxs_clk_gate("ssp", "ssp_div", SSP, 31);
	clks[gpmi] = mxs_clk_gate("gpmi", "gpmi_div", GPMI, 31);
	clks[spdif] = mxs_clk_gate("spdif", "spdif_div", SPDIF, 31);
	clks[emi] = mxs_clk_gate("emi", "emi_sel", EMI, 31);
	clks[saif] = mxs_clk_gate("saif", "saif_div", SAIF, 31);
	clks[lcdif] = mxs_clk_gate("lcdif", "lcdif_div", PIX, 31);
	clks[etm] = mxs_clk_gate("etm", "etm_div", ETM, 31);
	clks[usb] = mxs_clk_gate("usb", "usb_phy", DIGCTRL, 2);
	clks[usb_phy] = clk_register_gate(NULL, "usb_phy", "pll", 0, PLLCTRL0, 18, 0, &mxs_lock);

	for (i = 0; i < ARRAY_SIZE(clks); i++)
		if (IS_ERR(clks[i])) {
			pr_err("i.MX23 clk %d: register failed with %ld\n",
				i, PTR_ERR(clks[i]));
			return;
		}

	clk_data.clks = clks;
	clk_data.clk_num = ARRAY_SIZE(clks);
	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);

	for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
		clk_prepare_enable(clks[clks_init_on[i]]);

}
Example #29
0
static void __init zynq_periph_clk_setup(struct device_node *np)
{
	struct zynq_periph_clk *periph;
	const char *parent_names[3];
	struct clk_init_data init;
	int clk_num = 0, err;
	const char *name;
	struct clk *clk;
	u32 reg;
	int i;

	err = of_property_read_u32(np, "reg", &reg);
	if (WARN_ON(err))
		return;

	periph = kzalloc(sizeof(*periph), GFP_KERNEL);
	if (WARN_ON(!periph))
		return;

	periph->clk_ctrl = slcr_base + reg;
	spin_lock_init(&periph->clkact_lock);

	init.name = np->name;
	init.ops = &zynq_periph_clk_ops;
	for (i = 0; i < ARRAY_SIZE(parent_names); i++)
		parent_names[i] = of_clk_get_parent_name(np, i);
	init.parent_names = parent_names;
	init.num_parents = ARRAY_SIZE(parent_names);

	periph->hw.init = &init;

	clk = clk_register(NULL, &periph->hw);
	if (WARN_ON(IS_ERR(clk)))
		return;

	err = of_clk_add_provider(np, of_clk_src_simple_get, clk);
	if (WARN_ON(err))
		return;

	err = of_property_read_string_index(np, "clock-output-names", 0,
					    &name);
	if (WARN_ON(err))
		return;

	periph->gates[0] = clk_register_gate(NULL, name, np->name, 0,
					     periph->clk_ctrl, 0, 0,
					     &periph->clkact_lock);
	if (WARN_ON(IS_ERR(periph->gates[0])))
		return;
	clk_num++;

	/* some periph clks have 2 downstream gates */
	err = of_property_read_string_index(np, "clock-output-names", 1,
					    &name);
	if (err != -ENODATA) {
		periph->gates[1] = clk_register_gate(NULL, name, np->name, 0,
						     periph->clk_ctrl, 1, 0,
						     &periph->clkact_lock);
		if (WARN_ON(IS_ERR(periph->gates[1])))
			return;
		clk_num++;
	}

	periph->onecell_data.clks = periph->gates;
	periph->onecell_data.clk_num = clk_num;

	err = of_clk_add_provider(np, of_clk_src_onecell_get,
				  &periph->onecell_data);
	if (WARN_ON(err))
		return;
}
/* register exynos_audss clocks */
static int exynos_audss_clk_probe(struct platform_device *pdev)
{
	int i, ret = 0;
	struct resource *res;
	const char *mout_audss_p[] = {"fin_pll", "fout_epll"};
	const char *mout_i2s_p[] = {"mout_audss", "cdclk0", "sclk_audio0"};
	const char *sclk_pcm_p = "sclk_pcm0";
	struct clk *pll_ref, *pll_in, *cdclk, *sclk_audio, *sclk_pcm_in;
	const struct of_device_id *match;
	enum exynos_audss_clk_type variant;

	match = of_match_node(exynos_audss_clk_of_match, pdev->dev.of_node);
	if (!match)
		return -EINVAL;
	variant = (enum exynos_audss_clk_type)match->data;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	reg_base = devm_ioremap_resource(&pdev->dev, res);
	if (IS_ERR(reg_base)) {
		dev_err(&pdev->dev, "failed to map audss registers\n");
		return PTR_ERR(reg_base);
	}

	clk_table = devm_kzalloc(&pdev->dev,
				sizeof(struct clk *) * EXYNOS_AUDSS_MAX_CLKS,
				GFP_KERNEL);
	if (!clk_table)
		return -ENOMEM;

	clk_data.clks = clk_table;
	if (variant == TYPE_EXYNOS5420)
		clk_data.clk_num = EXYNOS_AUDSS_MAX_CLKS;
	else
		clk_data.clk_num = EXYNOS_AUDSS_MAX_CLKS - 1;

	pll_ref = devm_clk_get(&pdev->dev, "pll_ref");
	pll_in = devm_clk_get(&pdev->dev, "pll_in");
	if (!IS_ERR(pll_ref))
		mout_audss_p[0] = __clk_get_name(pll_ref);
	if (!IS_ERR(pll_in))
		mout_audss_p[1] = __clk_get_name(pll_in);
	clk_table[EXYNOS_MOUT_AUDSS] = clk_register_mux(NULL, "mout_audss",
				mout_audss_p, ARRAY_SIZE(mout_audss_p),
				CLK_SET_RATE_NO_REPARENT,
				reg_base + ASS_CLK_SRC, 0, 1, 0, &lock);

	cdclk = devm_clk_get(&pdev->dev, "cdclk");
	sclk_audio = devm_clk_get(&pdev->dev, "sclk_audio");
	if (!IS_ERR(cdclk))
		mout_i2s_p[1] = __clk_get_name(cdclk);
	if (!IS_ERR(sclk_audio))
		mout_i2s_p[2] = __clk_get_name(sclk_audio);
	clk_table[EXYNOS_MOUT_I2S] = clk_register_mux(NULL, "mout_i2s",
				mout_i2s_p, ARRAY_SIZE(mout_i2s_p),
				CLK_SET_RATE_NO_REPARENT,
				reg_base + ASS_CLK_SRC, 2, 2, 0, &lock);

	clk_table[EXYNOS_DOUT_SRP] = clk_register_divider(NULL, "dout_srp",
				"mout_audss", 0, reg_base + ASS_CLK_DIV, 0, 4,
				0, &lock);

	clk_table[EXYNOS_DOUT_AUD_BUS] = clk_register_divider(NULL,
				"dout_aud_bus", "dout_srp", 0,
				reg_base + ASS_CLK_DIV, 4, 4, 0, &lock);

	clk_table[EXYNOS_DOUT_I2S] = clk_register_divider(NULL, "dout_i2s",
				"mout_i2s", 0, reg_base + ASS_CLK_DIV, 8, 4, 0,
				&lock);

	clk_table[EXYNOS_SRP_CLK] = clk_register_gate(NULL, "srp_clk",
				"dout_srp", CLK_SET_RATE_PARENT,
				reg_base + ASS_CLK_GATE, 0, 0, &lock);

	clk_table[EXYNOS_I2S_BUS] = clk_register_gate(NULL, "i2s_bus",
				"dout_aud_bus", CLK_SET_RATE_PARENT,
				reg_base + ASS_CLK_GATE, 2, 0, &lock);

	clk_table[EXYNOS_SCLK_I2S] = clk_register_gate(NULL, "sclk_i2s",
				"dout_i2s", CLK_SET_RATE_PARENT,
				reg_base + ASS_CLK_GATE, 3, 0, &lock);

	clk_table[EXYNOS_PCM_BUS] = clk_register_gate(NULL, "pcm_bus",
				 "sclk_pcm", CLK_SET_RATE_PARENT,
				reg_base + ASS_CLK_GATE, 4, 0, &lock);

	sclk_pcm_in = devm_clk_get(&pdev->dev, "sclk_pcm_in");
	if (!IS_ERR(sclk_pcm_in))
		sclk_pcm_p = __clk_get_name(sclk_pcm_in);
	clk_table[EXYNOS_SCLK_PCM] = clk_register_gate(NULL, "sclk_pcm",
				sclk_pcm_p, CLK_SET_RATE_PARENT,
				reg_base + ASS_CLK_GATE, 5, 0, &lock);

	if (variant == TYPE_EXYNOS5420) {
		clk_table[EXYNOS_ADMA] = clk_register_gate(NULL, "adma",
				"dout_srp", CLK_SET_RATE_PARENT,
				reg_base + ASS_CLK_GATE, 9, 0, &lock);
	}

	for (i = 0; i < clk_data.clk_num; i++) {
		if (IS_ERR(clk_table[i])) {
			dev_err(&pdev->dev, "failed to register clock %d\n", i);
			ret = PTR_ERR(clk_table[i]);
			goto unregister;
		}
	}

	ret = of_clk_add_provider(pdev->dev.of_node, of_clk_src_onecell_get,
					&clk_data);
	if (ret) {
		dev_err(&pdev->dev, "failed to add clock provider\n");
		goto unregister;
	}

#ifdef CONFIG_PM_SLEEP
	register_syscore_ops(&exynos_audss_clk_syscore_ops);
#endif

	dev_info(&pdev->dev, "setup completed\n");

	return 0;

unregister:
	for (i = 0; i < clk_data.clk_num; i++) {
		if (!IS_ERR(clk_table[i]))
			clk_unregister(clk_table[i]);
	}

	return ret;
}