Esempio n. 1
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static inline bool meson_hdmi_is_compatible(struct meson_dw_hdmi *priv,
					    enum hdmi_compatible family)
{
	enum hdmi_compatible compat = dev_get_driver_data(priv->dev);

	return compat == family;
}
Esempio n. 2
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static int palmas_ldo_probe(struct udevice *dev)
{
	struct dm_regulator_uclass_platdata *uc_pdata;
	struct udevice *parent;

	uc_pdata = dev_get_uclass_platdata(dev);

	parent = dev_get_parent(dev);
	int type = dev_get_driver_data(parent);

	uc_pdata->type = REGULATOR_TYPE_LDO;

	if (dev->driver_data) {
		u8 idx = dev->driver_data - 1;
		uc_pdata->ctrl_reg = palmas_ldo_ctrl[type][idx];
		uc_pdata->volt_reg = palmas_ldo_volt[type][idx];
	} else {
		/* check for ldoln and ldousb cases */
		if (!strcmp("ldoln", dev->name)) {
			uc_pdata->ctrl_reg = palmas_ldo_ctrl[type][9];
			uc_pdata->volt_reg = palmas_ldo_volt[type][9];
		} else if (!strcmp("ldousb", dev->name)) {
			uc_pdata->ctrl_reg = palmas_ldo_ctrl[type][10];
			uc_pdata->volt_reg = palmas_ldo_volt[type][10];
		}
	}

	return 0;
}
Esempio n. 3
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static int imx6_pinctrl_probe(struct udevice *dev)
{
	struct imx_pinctrl_soc_info *info =
		(struct imx_pinctrl_soc_info *)dev_get_driver_data(dev);

	return imx_pinctrl_probe(dev, info);
}
Esempio n. 4
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static int ftgmac100_ofdata_to_platdata(struct udevice *dev)
{
	struct eth_pdata *pdata = dev_get_platdata(dev);
	struct ftgmac100_data *priv = dev_get_priv(dev);
	const char *phy_mode;

	pdata->iobase = devfdt_get_addr(dev);
	pdata->phy_interface = -1;
	phy_mode = dev_read_string(dev, "phy-mode");
	if (phy_mode)
		pdata->phy_interface = phy_get_interface_by_name(phy_mode);
	if (pdata->phy_interface == -1) {
		dev_err(dev, "Invalid PHY interface '%s'\n", phy_mode);
		return -EINVAL;
	}

	pdata->max_speed = dev_read_u32_default(dev, "max-speed", 0);

	if (dev_get_driver_data(dev) == FTGMAC100_MODEL_ASPEED) {
		priv->rxdes0_edorr_mask = BIT(30);
		priv->txdes0_edotr_mask = BIT(30);
	} else {
		priv->rxdes0_edorr_mask = BIT(15);
		priv->txdes0_edotr_mask = BIT(15);
	}

	return clk_get_bulk(dev, &priv->clks);
}
static int pipe3_phy_probe(struct udevice *dev)
{
	fdt_addr_t addr;
	fdt_size_t sz;
	struct omap_pipe3 *pipe3 = dev_get_priv(dev);

	addr = devfdt_get_addr_size_index(dev, 2, &sz);
	if (addr == FDT_ADDR_T_NONE) {
		pr_err("missing pll ctrl address\n");
		return -EINVAL;
	}

	pipe3->pll_ctrl_base = map_physmem(addr, sz, MAP_NOCACHE);
	if (!pipe3->pll_ctrl_base) {
		pr_err("unable to remap pll ctrl\n");
		return -EINVAL;
	}

	pipe3->power_reg = get_reg(dev, "syscon-phy-power");
	if (!pipe3->power_reg)
		return -EINVAL;

	pipe3->pll_reset_reg = get_reg(dev, "syscon-pllreset");
	if (!pipe3->pll_reset_reg)
		return -EINVAL;

	pipe3->dpll_map = (struct pipe3_dpll_map *)dev_get_driver_data(dev);

	return 0;
}
static int stm32_serial_probe(struct udevice *dev)
{
	struct stm32x7_serial_platdata *plat = dev_get_platdata(dev);
	struct clk clk;
	int ret;

	plat->uart_info = (struct stm32_uart_info *)dev_get_driver_data(dev);

	ret = clk_get_by_index(dev, 0, &clk);
	if (ret < 0)
		return ret;

	ret = clk_enable(&clk);
	if (ret) {
		dev_err(dev, "failed to enable clock\n");
		return ret;
	}

	plat->clock_rate = clk_get_rate(&clk);
	if (plat->clock_rate < 0) {
		clk_disable(&clk);
		return plat->clock_rate;
	};

	_stm32_serial_init(plat->base, plat->uart_info);

	return 0;
}
Esempio n. 7
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static int periph_clk_enable(struct clk *clk)
{
	struct pmc_platdata *plat = dev_get_platdata(clk->dev);
	struct at91_pmc *pmc = plat->reg_base;
	enum periph_clk_type clk_type;
	void *addr;

	if (clk->id < PERIPHERAL_ID_MIN)
		return -1;

	clk_type = dev_get_driver_data(dev_get_parent(clk->dev));
	if (clk_type == CLK_PERIPH_AT91RM9200) {
		addr = &pmc->pcer;
		if (clk->id > PERIPHERAL_ID_MAX)
			addr = &pmc->pcer1;

		setbits_le32(addr, PERIPHERAL_MASK(clk->id));
	} else {
		writel(clk->id & AT91_PMC_PCR_PID_MASK, &pmc->pcr);
		setbits_le32(&pmc->pcr,
			     AT91_PMC_PCR_CMD_WRITE | AT91_PMC_PCR_EN);
	}

	return 0;
}
Esempio n. 8
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/**
 * We have a top-level GPIO device with no actual GPIOs. It has a child
 * device for each Sunxi bank.
 */
static int gpio_sunxi_bind(struct udevice *parent)
{
	struct sunxi_gpio_soc_data *soc_data =
		(struct sunxi_gpio_soc_data *)dev_get_driver_data(parent);
	struct sunxi_gpio_platdata *plat = parent->platdata;
	struct sunxi_gpio_reg *ctlr;
	int bank, ret;

	/* If this is a child device, there is nothing to do here */
	if (plat)
		return 0;

	ctlr = (struct sunxi_gpio_reg *)devfdt_get_addr(parent);
	for (bank = 0; bank < soc_data->no_banks; bank++) {
		struct sunxi_gpio_platdata *plat;
		struct udevice *dev;

		plat = calloc(1, sizeof(*plat));
		if (!plat)
			return -ENOMEM;
		plat->regs = &ctlr->gpio_bank[bank];
		plat->bank_name = gpio_bank_name(soc_data->start + bank);
		plat->gpio_count = SUNXI_GPIOS_PER_BANK;

		ret = device_bind(parent, parent->driver,
					plat->bank_name, plat, -1, &dev);
		if (ret)
			return ret;
		dev_set_of_offset(dev, dev_of_offset(parent));
	}

	return 0;
}
Esempio n. 9
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static int palmas_ldo_bypass_enable(struct udevice *dev, bool enabled)
{
	int type = dev_get_driver_data(dev_get_parent(dev));
	struct dm_regulator_uclass_platdata *p;
	unsigned int adr;
	int reg;

	if (type == TPS65917) {
		/* bypass available only on LDO1 and LDO2 */
		if (dev->driver_data > 2)
			return -ENOTSUPP;
	} else if (type == TPS659038) {
		/* bypass available only on LDO9 */
		if (dev->driver_data != 9)
			return -ENOTSUPP;
	}

	p = dev_get_uclass_platdata(dev);
	adr = p->ctrl_reg;

	reg = pmic_reg_read(dev->parent, adr);
	if (reg < 0)
		return reg;

	if (enabled)
		reg |= PALMAS_LDO_BYPASS_EN;
	else
		reg &= ~PALMAS_LDO_BYPASS_EN;

	return pmic_reg_write(dev->parent, adr, reg);
}
Esempio n. 10
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static int atmel_serial_enable_clk(struct udevice *dev)
{
	struct atmel_serial_priv *priv = dev_get_priv(dev);
	struct clk clk;
	ulong clk_rate;
	int ret;

	ret = clk_get_by_index(dev, 0, &clk);
	if (ret)
		return -EINVAL;

	if (dev_get_driver_data(dev) == CLK_TYPE_NORMAL) {
		ret = clk_enable(&clk);
		if (ret)
			return ret;
	}

	clk_rate = clk_get_rate(&clk);
	if (!clk_rate)
		return -EINVAL;

	priv->usart_clk_rate = clk_rate;

	clk_free(&clk);

	return 0;
}
Esempio n. 11
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static int ti_qspi_probe(struct udevice *bus)
{
	struct ti_qspi_priv *priv = dev_get_priv(bus);

	priv->fclk = dev_get_driver_data(bus);

	return 0;
}
Esempio n. 12
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static int i2c_eeprom_std_ofdata_to_platdata(struct udevice *dev)
{
	struct i2c_eeprom *priv = dev_get_priv(dev);
	u64 data = dev_get_driver_data(dev);

	/* 6 bit -> page size of up to 2^63 (should be sufficient) */
	priv->pagewidth = data & 0x3F;
	priv->pagesize = (1 << priv->pagewidth);

	return 0;
}
Esempio n. 13
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static int pfuze100_regulator_probe(struct udevice *dev)
{
	struct dm_regulator_uclass_platdata *uc_pdata;
	struct pfuze100_regulator_platdata *plat = dev_get_platdata(dev);
	struct pfuze100_regulator_desc *desc;

	switch (dev_get_driver_data(dev_get_parent(dev))) {
	case PFUZE100:
		desc = se_desc(pfuze100_regulators,
			       ARRAY_SIZE(pfuze100_regulators),
			       dev->name);
		break;
	case PFUZE200:
		desc = se_desc(pfuze200_regulators,
			       ARRAY_SIZE(pfuze200_regulators),
			       dev->name);
		break;
	case PFUZE3000:
		desc = se_desc(pfuze3000_regulators,
			       ARRAY_SIZE(pfuze3000_regulators),
			       dev->name);
		break;
	default:
		debug("Unsupported PFUZE\n");
		return -EINVAL;
	}
	if (!desc) {
		debug("Do not support regulator %s\n", dev->name);
		return -EINVAL;
	}

	plat->desc = desc;
	uc_pdata = dev_get_uclass_platdata(dev);

	uc_pdata->type = desc->type;
	if (uc_pdata->type == REGULATOR_TYPE_BUCK) {
		if (!strcmp(dev->name, "swbst")) {
			uc_pdata->mode = pfuze_swbst_modes;
			uc_pdata->mode_count = ARRAY_SIZE(pfuze_swbst_modes);
		} else {
			uc_pdata->mode = pfuze_sw_modes;
			uc_pdata->mode_count = ARRAY_SIZE(pfuze_sw_modes);
		}
	} else if (uc_pdata->type == REGULATOR_TYPE_LDO) {
		uc_pdata->mode = pfuze_ldo_modes;
		uc_pdata->mode_count = ARRAY_SIZE(pfuze_ldo_modes);
	} else {
		uc_pdata->mode = NULL;
		uc_pdata->mode_count = 0;
	}

	return 0;
}
Esempio n. 14
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static int at91_i2c_ofdata_to_platdata(struct udevice *dev)
{
	const void *blob = gd->fdt_blob;
	struct at91_i2c_bus *bus = dev_get_priv(dev);
	int node = dev_of_offset(dev);

	bus->regs = (struct at91_i2c_regs *)devfdt_get_addr(dev);
	bus->pdata = (struct at91_i2c_pdata *)dev_get_driver_data(dev);
	bus->clock_frequency = fdtdec_get_int(blob, node,
					      "clock-frequency", 100000);

	return 0;
}
Esempio n. 15
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static int tpm_tis_i2c_probe(struct udevice *dev)
{
	struct tpm_chip_priv *uc_priv = dev_get_uclass_priv(dev);
	struct tpm_chip *chip = dev_get_priv(dev);

	chip->chip_type = dev_get_driver_data(dev);

	/* TODO: These need to be checked and tuned */
	uc_priv->duration_ms[TPM_SHORT] = TIS_SHORT_TIMEOUT_MS;
	uc_priv->duration_ms[TPM_MEDIUM] = TIS_LONG_TIMEOUT_MS;
	uc_priv->duration_ms[TPM_LONG] = TIS_LONG_TIMEOUT_MS;
	uc_priv->retry_time_ms = TPM_TIMEOUT_MS;

	return 0;
}
Esempio n. 16
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static int stm32_reset_deassert(struct reset_ctl *reset_ctl)
{
	struct stm32_reset_priv *priv = dev_get_priv(reset_ctl->dev);
	int bank = (reset_ctl->id / BITS_PER_LONG) * 4;
	int offset = reset_ctl->id % BITS_PER_LONG;
	debug("%s: reset id = %ld bank = %d offset = %d)\n", __func__,
	      reset_ctl->id, bank, offset);

	if (dev_get_driver_data(reset_ctl->dev) == RCC_STM32MP)
		/* reset deassert is done in rcc clr register */
		writel(BIT(offset), priv->base + bank + RCC_CL);
	else
		clrbits_le32(priv->base + bank, BIT(offset));

	return 0;
}
Esempio n. 17
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static int uniphier_clk_probe(struct udevice *dev)
{
	struct uniphier_clk_priv *priv = dev_get_priv(dev);
	fdt_addr_t addr;

	addr = dev_get_addr(dev->parent);
	if (addr == FDT_ADDR_T_NONE)
		return -EINVAL;

	priv->base = devm_ioremap(dev, addr, SZ_4K);
	if (!priv->base)
		return -ENOMEM;

	priv->data = (void *)dev_get_driver_data(dev);

	return 0;
}
Esempio n. 18
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int exynos_pinctrl_probe(struct udevice *dev)
{
	struct exynos_pinctrl_priv *priv;
	fdt_addr_t base;

	priv = dev_get_priv(dev);
	if (!priv)
		return -EINVAL;

	base = dev_get_addr(dev);
	if (base == FDT_ADDR_T_NONE)
		return -EINVAL;

	priv->base = base;
	priv->pin_ctrl = (struct samsung_pin_ctrl *)dev_get_driver_data(dev) +
				dev->req_seq;

	return 0;
}
Esempio n. 19
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/**
 * k3_sysctrler_probe() - Basic probe
 * @dev:	corresponding k3 remote processor device
 *
 * Return: 0 if all goes good, else appropriate error message.
 */
static int k3_sysctrler_probe(struct udevice *dev)
{
	struct k3_sysctrler_privdata *priv;
	int ret;

	debug("%s(dev=%p)\n", __func__, dev);

	priv = dev_get_priv(dev);

	ret = k3_of_to_priv(dev, priv);
	if (ret) {
		dev_err(dev, "%s: Probe failed with error %d\n", __func__, ret);
		return ret;
	}

	priv->desc = (void *)dev_get_driver_data(dev);
	priv->seq_nr = 0;

	return 0;
}
Esempio n. 20
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static int denali_dt_probe(struct udevice *dev)
{
	struct denali_nand_info *denali = dev_get_priv(dev);
	const struct denali_dt_data *data;
	struct clk clk;
	struct resource res;
	int ret;

	data = (void *)dev_get_driver_data(dev);
	if (data) {
		denali->revision = data->revision;
		denali->caps = data->caps;
		denali->ecc_caps = data->ecc_caps;
	}

	denali->dev = dev;

	ret = dev_read_resource_byname(dev, "denali_reg", &res);
	if (ret)
		return ret;

	denali->reg = devm_ioremap(dev, res.start, resource_size(&res));

	ret = dev_read_resource_byname(dev, "nand_data", &res);
	if (ret)
		return ret;

	denali->host = devm_ioremap(dev, res.start, resource_size(&res));

	ret = clk_get_by_index(dev, 0, &clk);
	if (ret)
		return ret;

	ret = clk_enable(&clk);
	if (ret)
		return ret;

	denali->clk_x_rate = clk_get_rate(&clk);

	return denali_init(denali);
}
Esempio n. 21
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int rockchip_saradc_ofdata_to_platdata(struct udevice *dev)
{
	struct adc_uclass_platdata *uc_pdata = dev_get_uclass_platdata(dev);
	struct rockchip_saradc_priv *priv = dev_get_priv(dev);
	struct rockchip_saradc_data *data;

	data = (struct rockchip_saradc_data *)dev_get_driver_data(dev);
	priv->regs = (struct rockchip_saradc_regs *)dev_read_addr(dev);
	if (priv->regs == (struct rockchip_saradc_regs *)FDT_ADDR_T_NONE) {
		pr_err("Dev: %s - can't get address!", dev->name);
		return -ENODATA;
	}

	priv->data = data;
	uc_pdata->data_mask = (1 << priv->data->num_bits) - 1;;
	uc_pdata->data_format = ADC_DATA_FORMAT_BIN;
	uc_pdata->data_timeout_us = SARADC_TIMEOUT / 5;
	uc_pdata->channel_mask = (1 << priv->data->num_channels) - 1;

	return 0;
}
Esempio n. 22
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static int cdns_i2c_ofdata_to_platdata(struct udevice *dev)
{
	struct i2c_cdns_bus *i2c_bus = dev_get_priv(dev);
	struct cdns_i2c_platform_data *pdata =
		(struct cdns_i2c_platform_data *)dev_get_driver_data(dev);
	struct clk clk;
	int ret;

	i2c_bus->regs = (struct cdns_i2c_regs *)dev_read_addr(dev);
	if (!i2c_bus->regs)
		return -ENOMEM;

	if (pdata)
		i2c_bus->quirks = pdata->quirks;

	ret = clk_get_by_index(dev, 0, &clk);
	if (ret)
		return ret;

	i2c_bus->input_freq = clk_get_rate(&clk);

	return 0;
}
Esempio n. 23
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static int rockchip_i2c_probe(struct udevice *bus)
{
	struct rk_i2c *priv = dev_get_priv(bus);
	struct rk_i2c_soc_data *soc_data;
	struct udevice *pinctrl;
	int bus_nr;
	int ret;

	priv->regs = dev_read_addr_ptr(bus);

	soc_data = (struct rk_i2c_soc_data*)dev_get_driver_data(bus);

	if (soc_data->controller_type == RK_I2C_LEGACY) {
		ret = dev_read_alias_seq(bus, &bus_nr);
		if (ret < 0) {
			debug("%s: Could not get alias for %s: %d\n",
			 __func__, bus->name, ret);
			return ret;
		}

		ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
		if (ret) {
			debug("%s: Cannot find pinctrl device\n", __func__);
			return ret;
		}

		/* pinctrl will switch I2C to new type */
		ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_I2C0 + bus_nr);
		if (ret) {
			debug("%s: Failed to switch I2C to new type %s: %d\n",
				__func__, bus->name, ret);
			return ret;
		}
	}

	return 0;
}
Esempio n. 24
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static int uniphier_dwc3_probe(struct udevice *dev)
{
	fdt_addr_t base;
	void __iomem *regs;
	int (*init)(void __iomem *regs);
	int ret;

	base = devfdt_get_addr(dev);
	if (base == FDT_ADDR_T_NONE)
		return -EINVAL;

	regs = ioremap(base, SZ_32K);
	if (!regs)
		return -ENOMEM;

	init = (typeof(init))dev_get_driver_data(dev);
	ret = init(regs);
	if (ret)
		dev_err(dev, "failed to init glue layer\n");

	iounmap(regs);

	return ret;
}
Esempio n. 25
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static int altera_tse_probe(struct udevice *dev)
{
	struct eth_pdata *pdata = dev_get_platdata(dev);
	struct altera_tse_priv *priv = dev_get_priv(dev);
	void *blob = (void *)gd->fdt_blob;
	int node = dev->of_offset;
	const char *list, *end;
	const fdt32_t *cell;
	void *base, *desc_mem = NULL;
	unsigned long addr, size;
	int parent, addrc, sizec;
	int len, idx;
	int ret;

	priv->dma_type = dev_get_driver_data(dev);
	if (priv->dma_type == ALT_SGDMA)
		priv->ops = &tse_sgdma_ops;
	else
		priv->ops = &tse_msgdma_ops;
	/*
	 * decode regs. there are multiple reg tuples, and they need to
	 * match with reg-names.
	 */
	parent = fdt_parent_offset(blob, node);
	of_bus_default_count_cells(blob, parent, &addrc, &sizec);
	list = fdt_getprop(blob, node, "reg-names", &len);
	if (!list)
		return -ENOENT;
	end = list + len;
	cell = fdt_getprop(blob, node, "reg", &len);
	if (!cell)
		return -ENOENT;
	idx = 0;
	while (list < end) {
		addr = fdt_translate_address((void *)blob,
					     node, cell + idx);
		size = fdt_addr_to_cpu(cell[idx + addrc]);
		base = map_physmem(addr, size, MAP_NOCACHE);
		len = strlen(list);
		if (strcmp(list, "control_port") == 0)
			priv->mac_dev = base;
		else if (strcmp(list, "rx_csr") == 0)
			priv->sgdma_rx = base;
		else if (strcmp(list, "rx_desc") == 0)
			priv->rx_desc = base;
		else if (strcmp(list, "rx_resp") == 0)
			priv->rx_resp = base;
		else if (strcmp(list, "tx_csr") == 0)
			priv->sgdma_tx = base;
		else if (strcmp(list, "tx_desc") == 0)
			priv->tx_desc = base;
		else if (strcmp(list, "s1") == 0)
			desc_mem = base;
		idx += addrc + sizec;
		list += (len + 1);
	}
	/* decode fifo depth */
	priv->rx_fifo_depth = fdtdec_get_int(blob, node,
		"rx-fifo-depth", 0);
	priv->tx_fifo_depth = fdtdec_get_int(blob, node,
		"tx-fifo-depth", 0);
	/* decode phy */
	addr = fdtdec_get_int(blob, node,
			      "phy-handle", 0);
	addr = fdt_node_offset_by_phandle(blob, addr);
	priv->phyaddr = fdtdec_get_int(blob, addr,
		"reg", 0);
	/* init desc */
	if (priv->dma_type == ALT_SGDMA) {
		len = sizeof(struct alt_sgdma_descriptor) * 4;
		if (!desc_mem) {
			desc_mem = dma_alloc_coherent(len, &addr);
			if (!desc_mem)
				return -ENOMEM;
		}
		memset(desc_mem, 0, len);
		priv->tx_desc = desc_mem;
		priv->rx_desc = priv->tx_desc +
			2 * sizeof(struct alt_sgdma_descriptor);
	}
	/* allocate recv packet buffer */
	priv->rx_buf = malloc_cache_aligned(PKTSIZE_ALIGN);
	if (!priv->rx_buf)
		return -ENOMEM;

	/* stop controller */
	debug("Reset TSE & SGDMAs\n");
	altera_tse_stop(dev);

	/* start the phy */
	priv->interface = pdata->phy_interface;
	tse_mdio_init(dev->name, priv);
	priv->bus = miiphy_get_dev_by_name(dev->name);

	ret = tse_phy_init(priv, dev);

	return ret;
}
Esempio n. 26
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static int omap_hsmmc_set_ios(struct mmc *mmc)
{
	struct omap_hsmmc_data *priv = omap_hsmmc_get_data(mmc);
#else
static int omap_hsmmc_set_ios(struct udevice *dev)
{
	struct omap_hsmmc_data *priv = dev_get_priv(dev);
	struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
	struct mmc *mmc = upriv->mmc;
#endif
	struct hsmmc *mmc_base;
	unsigned int dsor = 0;
	ulong start;

	mmc_base = priv->base_addr;
	/* configue bus width */
	switch (mmc->bus_width) {
	case 8:
		writel(readl(&mmc_base->con) | DTW_8_BITMODE,
			&mmc_base->con);
		break;

	case 4:
		writel(readl(&mmc_base->con) & ~DTW_8_BITMODE,
			&mmc_base->con);
		writel(readl(&mmc_base->hctl) | DTW_4_BITMODE,
			&mmc_base->hctl);
		break;

	case 1:
	default:
		writel(readl(&mmc_base->con) & ~DTW_8_BITMODE,
			&mmc_base->con);
		writel(readl(&mmc_base->hctl) & ~DTW_4_BITMODE,
			&mmc_base->hctl);
		break;
	}

	/* configure clock with 96Mhz system clock.
	 */
	if (mmc->clock != 0) {
		dsor = (MMC_CLOCK_REFERENCE * 1000000 / mmc->clock);
		if ((MMC_CLOCK_REFERENCE * 1000000) / dsor > mmc->clock)
			dsor++;
	}

	mmc_reg_out(&mmc_base->sysctl, (ICE_MASK | DTO_MASK | CEN_MASK),
				(ICE_STOP | DTO_15THDTO | CEN_DISABLE));

	mmc_reg_out(&mmc_base->sysctl, ICE_MASK | CLKD_MASK,
				(dsor << CLKD_OFFSET) | ICE_OSCILLATE);

	start = get_timer(0);
	while ((readl(&mmc_base->sysctl) & ICS_MASK) == ICS_NOTREADY) {
		if (get_timer(0) - start > MAX_RETRY_MS) {
			printf("%s: timedout waiting for ics!\n", __func__);
			return -ETIMEDOUT;
		}
	}
	writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl);

	return 0;
}

#ifdef OMAP_HSMMC_USE_GPIO
#if CONFIG_IS_ENABLED(DM_MMC)
static int omap_hsmmc_getcd(struct udevice *dev)
{
	struct omap_hsmmc_data *priv = dev_get_priv(dev);
	int value;

	value = dm_gpio_get_value(&priv->cd_gpio);
	/* if no CD return as 1 */
	if (value < 0)
		return 1;

	if (priv->cd_inverted)
		return !value;
	return value;
}

static int omap_hsmmc_getwp(struct udevice *dev)
{
	struct omap_hsmmc_data *priv = dev_get_priv(dev);
	int value;

	value = dm_gpio_get_value(&priv->wp_gpio);
	/* if no WP return as 0 */
	if (value < 0)
		return 0;
	return value;
}
#else
static int omap_hsmmc_getcd(struct mmc *mmc)
{
	struct omap_hsmmc_data *priv = omap_hsmmc_get_data(mmc);
	int cd_gpio;

	/* if no CD return as 1 */
	cd_gpio = priv->cd_gpio;
	if (cd_gpio < 0)
		return 1;

	/* NOTE: assumes card detect signal is active-low */
	return !gpio_get_value(cd_gpio);
}

static int omap_hsmmc_getwp(struct mmc *mmc)
{
	struct omap_hsmmc_data *priv = omap_hsmmc_get_data(mmc);
	int wp_gpio;

	/* if no WP return as 0 */
	wp_gpio = priv->wp_gpio;
	if (wp_gpio < 0)
		return 0;

	/* NOTE: assumes write protect signal is active-high */
	return gpio_get_value(wp_gpio);
}
#endif
#endif

#if CONFIG_IS_ENABLED(DM_MMC)
static const struct dm_mmc_ops omap_hsmmc_ops = {
	.send_cmd	= omap_hsmmc_send_cmd,
	.set_ios	= omap_hsmmc_set_ios,
#ifdef OMAP_HSMMC_USE_GPIO
	.get_cd		= omap_hsmmc_getcd,
	.get_wp		= omap_hsmmc_getwp,
#endif
};
#else
static const struct mmc_ops omap_hsmmc_ops = {
	.send_cmd	= omap_hsmmc_send_cmd,
	.set_ios	= omap_hsmmc_set_ios,
	.init		= omap_hsmmc_init_setup,
#ifdef OMAP_HSMMC_USE_GPIO
	.getcd		= omap_hsmmc_getcd,
	.getwp		= omap_hsmmc_getwp,
#endif
};
#endif

#if !CONFIG_IS_ENABLED(DM_MMC)
int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio,
		int wp_gpio)
{
	struct mmc *mmc;
	struct omap_hsmmc_data *priv;
	struct mmc_config *cfg;
	uint host_caps_val;

	priv = malloc(sizeof(*priv));
	if (priv == NULL)
		return -1;

	host_caps_val = MMC_MODE_4BIT | MMC_MODE_HS_52MHz | MMC_MODE_HS;

	switch (dev_index) {
	case 0:
		priv->base_addr = (struct hsmmc *)OMAP_HSMMC1_BASE;
		break;
#ifdef OMAP_HSMMC2_BASE
	case 1:
		priv->base_addr = (struct hsmmc *)OMAP_HSMMC2_BASE;
#if (defined(CONFIG_OMAP44XX) || defined(CONFIG_OMAP54XX) || \
	defined(CONFIG_DRA7XX) || defined(CONFIG_AM33XX) || \
	defined(CONFIG_AM43XX) || defined(CONFIG_SOC_KEYSTONE)) && \
		defined(CONFIG_HSMMC2_8BIT)
		/* Enable 8-bit interface for eMMC on OMAP4/5 or DRA7XX */
		host_caps_val |= MMC_MODE_8BIT;
#endif
		break;
#endif
#ifdef OMAP_HSMMC3_BASE
	case 2:
		priv->base_addr = (struct hsmmc *)OMAP_HSMMC3_BASE;
#if defined(CONFIG_DRA7XX) && defined(CONFIG_HSMMC3_8BIT)
		/* Enable 8-bit interface for eMMC on DRA7XX */
		host_caps_val |= MMC_MODE_8BIT;
#endif
		break;
#endif
	default:
		priv->base_addr = (struct hsmmc *)OMAP_HSMMC1_BASE;
		return 1;
	}
#ifdef OMAP_HSMMC_USE_GPIO
	/* on error gpio values are set to -1, which is what we want */
	priv->cd_gpio = omap_mmc_setup_gpio_in(cd_gpio, "mmc_cd");
	priv->wp_gpio = omap_mmc_setup_gpio_in(wp_gpio, "mmc_wp");
#endif

	cfg = &priv->cfg;

	cfg->name = "OMAP SD/MMC";
	cfg->ops = &omap_hsmmc_ops;

	cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
	cfg->host_caps = host_caps_val & ~host_caps_mask;

	cfg->f_min = 400000;

	if (f_max != 0)
		cfg->f_max = f_max;
	else {
		if (cfg->host_caps & MMC_MODE_HS) {
			if (cfg->host_caps & MMC_MODE_HS_52MHz)
				cfg->f_max = 52000000;
			else
				cfg->f_max = 26000000;
		} else
			cfg->f_max = 20000000;
	}

	cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;

#if defined(CONFIG_OMAP34XX)
	/*
	 * Silicon revs 2.1 and older do not support multiblock transfers.
	 */
	if ((get_cpu_family() == CPU_OMAP34XX) && (get_cpu_rev() <= CPU_3XX_ES21))
		cfg->b_max = 1;
#endif
	mmc = mmc_create(cfg, priv);
	if (mmc == NULL)
		return -1;

	return 0;
}
#else
#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
static int omap_hsmmc_ofdata_to_platdata(struct udevice *dev)
{
	struct omap_hsmmc_plat *plat = dev_get_platdata(dev);
	struct mmc_config *cfg = &plat->cfg;
	struct omap2_mmc_platform_config *data =
		(struct omap2_mmc_platform_config *)dev_get_driver_data(dev);
	const void *fdt = gd->fdt_blob;
	int node = dev_of_offset(dev);
	int val;

	plat->base_addr = map_physmem(devfdt_get_addr(dev),
				      sizeof(struct hsmmc *),
				      MAP_NOCACHE) + data->reg_offset;

	cfg->host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS;
	val = fdtdec_get_int(fdt, node, "bus-width", -1);
	if (val < 0) {
		printf("error: bus-width property missing\n");
		return -ENOENT;
	}

	switch (val) {
	case 0x8:
		cfg->host_caps |= MMC_MODE_8BIT;
	case 0x4:
		cfg->host_caps |= MMC_MODE_4BIT;
		break;
	default:
		printf("error: invalid bus-width property\n");
		return -ENOENT;
	}

	cfg->f_min = 400000;
	cfg->f_max = fdtdec_get_int(fdt, node, "max-frequency", 52000000);
	cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
	cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;

#ifdef OMAP_HSMMC_USE_GPIO
	plat->cd_inverted = fdtdec_get_bool(fdt, node, "cd-inverted");
#endif

	return 0;
}
#endif

#ifdef CONFIG_BLK

static int omap_hsmmc_bind(struct udevice *dev)
{
	struct omap_hsmmc_plat *plat = dev_get_platdata(dev);

	return mmc_bind(dev, &plat->mmc, &plat->cfg);
}
#endif
static int omap_hsmmc_probe(struct udevice *dev)
{
	struct omap_hsmmc_plat *plat = dev_get_platdata(dev);
	struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
	struct omap_hsmmc_data *priv = dev_get_priv(dev);
	struct mmc_config *cfg = &plat->cfg;
	struct mmc *mmc;

	cfg->name = "OMAP SD/MMC";
	priv->base_addr = plat->base_addr;
#ifdef OMAP_HSMMC_USE_GPIO
	priv->cd_inverted = plat->cd_inverted;
#endif

#ifdef CONFIG_BLK
	mmc = &plat->mmc;
#else
	mmc = mmc_create(cfg, priv);
	if (mmc == NULL)
		return -1;
#endif

#if defined(OMAP_HSMMC_USE_GPIO) && CONFIG_IS_ENABLED(OF_CONTROL)
	gpio_request_by_name(dev, "cd-gpios", 0, &priv->cd_gpio, GPIOD_IS_IN);
	gpio_request_by_name(dev, "wp-gpios", 0, &priv->wp_gpio, GPIOD_IS_IN);
#endif

	mmc->dev = dev;
	upriv->mmc = mmc;

	return omap_hsmmc_init_setup(mmc);
}

#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
static const struct omap2_mmc_platform_config omap3_mmc_pdata = {
	.reg_offset = 0,
};

static const struct omap2_mmc_platform_config am33xx_mmc_pdata = {
	.reg_offset = 0x100,
};

static const struct omap2_mmc_platform_config omap4_mmc_pdata = {
	.reg_offset = 0x100,
};

static const struct udevice_id omap_hsmmc_ids[] = {
	{
			.compatible = "ti,omap3-hsmmc",
			.data = (ulong)&omap3_mmc_pdata
	},
	{
			.compatible = "ti,omap4-hsmmc",
			.data = (ulong)&omap4_mmc_pdata
	},
	{
			.compatible = "ti,am33xx-hsmmc",
			.data = (ulong)&am33xx_mmc_pdata
	},
	{ }
};
Esempio n. 27
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static int palmas_smps_probe(struct udevice *dev)
{
	struct dm_regulator_uclass_platdata *uc_pdata;
	struct udevice *parent;
	int idx;

	uc_pdata = dev_get_uclass_platdata(dev);

	parent = dev_get_parent(dev);
	int type = dev_get_driver_data(parent);

	uc_pdata->type = REGULATOR_TYPE_BUCK;

	switch (type) {
	case PALMAS:
	case TPS659038:
		switch (dev->driver_data) {
		case 123:
		case 12:
			uc_pdata->ctrl_reg = palmas_smps_ctrl[type][0];
			uc_pdata->volt_reg = palmas_smps_volt[type][0];
			break;
		case 3:
			uc_pdata->ctrl_reg = palmas_smps_ctrl[type][1];
			uc_pdata->volt_reg = palmas_smps_volt[type][1];
			break;
		case 45:
			uc_pdata->ctrl_reg = palmas_smps_ctrl[type][2];
			uc_pdata->volt_reg = palmas_smps_volt[type][2];
			break;
		case 6:
		case 7:
		case 8:
		case 9:
		case 10:
			idx = dev->driver_data - 3;
			uc_pdata->ctrl_reg = palmas_smps_ctrl[type][idx];
			uc_pdata->volt_reg = palmas_smps_volt[type][idx];
			break;

		default:
			printf("Wrong ID for regulator\n");
		}
		break;

	case TPS65917:
		switch (dev->driver_data) {
		case 1:
		case 2:
		case 3:
		case 4:
		case 5:
			idx = dev->driver_data - 1;
			uc_pdata->ctrl_reg = palmas_smps_ctrl[type][idx];
			uc_pdata->volt_reg = palmas_smps_volt[type][idx];
			break;
		case 12:
			idx = 0;
			uc_pdata->ctrl_reg = palmas_smps_ctrl[type][idx];
			uc_pdata->volt_reg = palmas_smps_volt[type][idx];
			break;
		default:
			printf("Wrong ID for regulator\n");
		}
		break;

	default:
			printf("Invalid PMIC ID\n");
	}

	return 0;
}
Esempio n. 28
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static int denali_dt_probe(struct udevice *dev)
{
	struct denali_nand_info *denali = dev_get_priv(dev);
	const struct denali_dt_data *data;
	struct clk clk, clk_x, clk_ecc;
	struct resource res;
	int ret;

	data = (void *)dev_get_driver_data(dev);
	if (data) {
		denali->revision = data->revision;
		denali->caps = data->caps;
		denali->ecc_caps = data->ecc_caps;
	}

	denali->dev = dev;

	ret = dev_read_resource_byname(dev, "denali_reg", &res);
	if (ret)
		return ret;

	denali->reg = devm_ioremap(dev, res.start, resource_size(&res));

	ret = dev_read_resource_byname(dev, "nand_data", &res);
	if (ret)
		return ret;

	denali->host = devm_ioremap(dev, res.start, resource_size(&res));

	ret = clk_get_by_name(dev, "nand", &clk);
	if (ret)
		ret = clk_get_by_index(dev, 0, &clk);
	if (ret)
		return ret;

	ret = clk_get_by_name(dev, "nand_x", &clk_x);
	if (ret)
		clk_x.dev = NULL;

	ret = clk_get_by_name(dev, "ecc", &clk_ecc);
	if (ret)
		clk_ecc.dev = NULL;

	ret = clk_enable(&clk);
	if (ret)
		return ret;

	if (clk_x.dev) {
		ret = clk_enable(&clk_x);
		if (ret)
			return ret;
	}

	if (clk_ecc.dev) {
		ret = clk_enable(&clk_ecc);
		if (ret)
			return ret;
	}

	if (clk_x.dev) {
		denali->clk_rate = clk_get_rate(&clk);
		denali->clk_x_rate = clk_get_rate(&clk_x);
	} else {
		/*
		 * Hardcode the clock rates for the backward compatibility.
		 * This works for both SOCFPGA and UniPhier.
		 */
		dev_notice(dev,
			   "necessary clock is missing. default clock rates are used.\n");
		denali->clk_rate = 50000000;
		denali->clk_x_rate = 200000000;
	}

	ret = reset_get_bulk(dev, &denali->resets);
	if (ret)
		dev_warn(dev, "Can't get reset: %d\n", ret);
	else
		reset_deassert_bulk(&denali->resets);

	return denali_init(denali);
}
Esempio n. 29
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static int pca953x_probe(struct udevice *dev)
{
	struct pca953x_info *info = dev_get_platdata(dev);
	struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
	struct dm_i2c_chip *chip = dev_get_parent_platdata(dev);
	char name[32], *str;
	int addr;
	ulong driver_data;
	int ret;

	if (!info) {
		dev_err(dev, "platdata not ready\n");
		return -ENOMEM;
	}

	if (!chip) {
		dev_err(dev, "i2c not ready\n");
		return -ENODEV;
	}

	addr = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "reg", 0);
	if (addr == 0)
		return -ENODEV;

	info->addr = addr;

	driver_data = dev_get_driver_data(dev);

	info->gpio_count = driver_data & PCA_GPIO_MASK;
	if (info->gpio_count > MAX_BANK * BANK_SZ) {
		dev_err(dev, "Max support %d pins now\n", MAX_BANK * BANK_SZ);
		return -EINVAL;
	}

	info->chip_type = PCA_CHIP_TYPE(driver_data);
	if (info->chip_type != PCA953X_TYPE) {
		dev_err(dev, "Only support PCA953X chip type now.\n");
		return -EINVAL;
	}

	info->bank_count = DIV_ROUND_UP(info->gpio_count, BANK_SZ);

	ret = pca953x_read_regs(dev, PCA953X_OUTPUT, info->reg_output);
	if (ret) {
		dev_err(dev, "Error reading output register\n");
		return ret;
	}

	ret = pca953x_read_regs(dev, PCA953X_DIRECTION, info->reg_direction);
	if (ret) {
		dev_err(dev, "Error reading direction register\n");
		return ret;
	}

	snprintf(name, sizeof(name), "gpio@%x_", info->addr);
	str = strdup(name);
	if (!str)
		return -ENOMEM;
	uc_priv->bank_name = str;
	uc_priv->gpio_count = info->gpio_count;

	dev_dbg(dev, "%s is ready\n", str);

	return 0;
}
Esempio n. 30
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static int sh_pfc_pinctrl_probe(struct udevice *dev)
{
	struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev);
	enum sh_pfc_model model = dev_get_driver_data(dev);
	fdt_addr_t base;

	base = devfdt_get_addr(dev);
	if (base == FDT_ADDR_T_NONE)
		return -EINVAL;

	priv->pfc.regs = devm_ioremap(dev, base, SZ_2K);
	if (!priv->pfc.regs)
		return -ENOMEM;

#ifdef CONFIG_PINCTRL_PFC_R8A7790
	if (model == SH_PFC_R8A7790)
		priv->pfc.info = &r8a7790_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A7791
	if (model == SH_PFC_R8A7791)
		priv->pfc.info = &r8a7791_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A7792
	if (model == SH_PFC_R8A7792)
		priv->pfc.info = &r8a7792_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A7793
	if (model == SH_PFC_R8A7793)
		priv->pfc.info = &r8a7793_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A7794
	if (model == SH_PFC_R8A7794)
		priv->pfc.info = &r8a7794_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A7795
	if (model == SH_PFC_R8A7795)
		priv->pfc.info = &r8a7795_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A7796
	if (model == SH_PFC_R8A7796)
		priv->pfc.info = &r8a7796_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A77970
	if (model == SH_PFC_R8A77970)
		priv->pfc.info = &r8a77970_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A77990
	if (model == SH_PFC_R8A77990)
		priv->pfc.info = &r8a77990_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A77995
	if (model == SH_PFC_R8A77995)
		priv->pfc.info = &r8a77995_pinmux_info;
#endif

	priv->pmx.pfc = &priv->pfc;
	sh_pfc_init_ranges(&priv->pfc);
	sh_pfc_map_pins(&priv->pfc, &priv->pmx);

	return 0;
}