/* register exynos5410 clocks */
static void __init exynos5410_clk_init(struct device_node *np)
{
struct samsung_clk_provider *ctx;
void __iomem *reg_base;
reg_base = of_iomap(np, 0);
if (!reg_base)
panic("%s: failed to map registers\n", __func__);
ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS);
samsung_clk_register_pll(ctx, exynos5410_plls,
ARRAY_SIZE(exynos5410_plls), reg_base);
samsung_clk_register_mux(ctx, exynos5410_mux_clks,
ARRAY_SIZE(exynos5410_mux_clks));
samsung_clk_register_div(ctx, exynos5410_div_clks,
ARRAY_SIZE(exynos5410_div_clks));
samsung_clk_register_gate(ctx, exynos5410_gate_clks,
ARRAY_SIZE(exynos5410_gate_clks));
samsung_clk_of_add_provider(np, ctx);
pr_debug("Exynos5410: clock setup completed.\n");
}
static void __init exynos3250_cmu_dmc_init(struct device_node *np)
{
struct samsung_clk_provider *ctx;
dmc_reg_base = of_iomap(np, 0);
if (!dmc_reg_base)
panic("%s: failed to map registers\n", __func__);
ctx = samsung_clk_init(np, dmc_reg_base, NR_CLKS_DMC);
if (!ctx)
panic("%s: unable to allocate context.\n", __func__);
exynos3250_dmc_plls[bpll].rate_table = exynos3250_pll_rates;
exynos3250_dmc_plls[epll].rate_table = exynos3250_epll_rates;
pr_err("CLK registering epll bpll: %d, %d, %d, %d\n",
exynos3250_dmc_plls[bpll].rate_table[0].rate,
exynos3250_dmc_plls[bpll].rate_table[0].mdiv,
exynos3250_dmc_plls[bpll].rate_table[0].pdiv,
exynos3250_dmc_plls[bpll].rate_table[0].sdiv
);
samsung_clk_register_pll(ctx, exynos3250_dmc_plls,
ARRAY_SIZE(exynos3250_dmc_plls), dmc_reg_base);
samsung_clk_register_mux(ctx, dmc_mux_clks, ARRAY_SIZE(dmc_mux_clks));
samsung_clk_register_div(ctx, dmc_div_clks, ARRAY_SIZE(dmc_div_clks));
exynos3250_dmc_clk_sleep_init();
samsung_clk_of_add_provider(np, ctx);
}
static void __init exynos3250_cmu_init(struct device_node *np)
{
struct samsung_clk_provider *ctx;
reg_base = of_iomap(np, 0);
if (!reg_base)
panic("%s: failed to map registers\n", __func__);
ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS);
if (!ctx)
panic("%s: unable to allocate context.\n", __func__);
samsung_clk_register_fixed_factor(ctx, fixed_factor_clks,
ARRAY_SIZE(fixed_factor_clks));
exynos3250_plls[apll].rate_table = exynos3250_pll_rates;
exynos3250_plls[mpll].rate_table = exynos3250_pll_rates;
exynos3250_plls[vpll].rate_table = exynos3250_vpll_rates;
exynos3250_plls[upll].rate_table = exynos3250_pll_rates;
samsung_clk_register_pll(ctx, exynos3250_plls,
ARRAY_SIZE(exynos3250_plls), reg_base);
samsung_clk_register_mux(ctx, mux_clks, ARRAY_SIZE(mux_clks));
samsung_clk_register_div(ctx, div_clks, ARRAY_SIZE(div_clks));
samsung_clk_register_gate(ctx, gate_clks, ARRAY_SIZE(gate_clks));
exynos3_core_down_clock();
exynos3250_clk_sleep_init();
samsung_clk_of_add_provider(np, ctx);
}
static int __init exynos4x12_isp_clk_probe(struct platform_device *pdev)
{
struct samsung_clk_provider *ctx;
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
struct resource *res;
void __iomem *reg_base;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
reg_base = devm_ioremap_resource(dev, res);
if (IS_ERR(reg_base)) {
dev_err(dev, "failed to map registers\n");
return PTR_ERR(reg_base);
}
exynos4x12_save_isp = samsung_clk_alloc_reg_dump(exynos4x12_clk_isp_save,
ARRAY_SIZE(exynos4x12_clk_isp_save));
if (!exynos4x12_save_isp)
return -ENOMEM;
ctx = samsung_clk_init(np, reg_base, CLK_NR_ISP_CLKS);
ctx->dev = dev;
platform_set_drvdata(pdev, ctx);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
pm_runtime_get_sync(dev);
samsung_clk_register_div(ctx, exynos4x12_isp_div_clks,
ARRAY_SIZE(exynos4x12_isp_div_clks));
samsung_clk_register_gate(ctx, exynos4x12_isp_gate_clks,
ARRAY_SIZE(exynos4x12_isp_gate_clks));
samsung_clk_of_add_provider(np, ctx);
pm_runtime_put(dev);
return 0;
}
/* register exynos5440 clocks */
static void __init exynos5440_clk_init(struct device_node *np)
{
void __iomem *reg_base;
struct samsung_clk_provider *ctx;
reg_base = of_iomap(np, 0);
if (!reg_base) {
pr_err("%s: failed to map clock controller registers,"
" aborting clock initialization\n", __func__);
return;
}
ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS);
if (!ctx)
panic("%s: unable to allocate context.\n", __func__);
samsung_clk_of_register_fixed_ext(ctx, exynos5440_fixed_rate_ext_clks,
ARRAY_SIZE(exynos5440_fixed_rate_ext_clks), ext_clk_match);
samsung_clk_register_pll2550x("cplla", "xtal", reg_base + 0x1c, 0x10);
samsung_clk_register_pll2550x("cpllb", "xtal", reg_base + 0x20, 0x10);
samsung_clk_register_fixed_rate(ctx, exynos5440_fixed_rate_clks,
ARRAY_SIZE(exynos5440_fixed_rate_clks));
samsung_clk_register_fixed_factor(ctx, exynos5440_fixed_factor_clks,
ARRAY_SIZE(exynos5440_fixed_factor_clks));
samsung_clk_register_mux(ctx, exynos5440_mux_clks,
ARRAY_SIZE(exynos5440_mux_clks));
samsung_clk_register_div(ctx, exynos5440_div_clks,
ARRAY_SIZE(exynos5440_div_clks));
samsung_clk_register_gate(ctx, exynos5440_gate_clks,
ARRAY_SIZE(exynos5440_gate_clks));
samsung_clk_of_add_provider(np, ctx);
pr_info("Exynos5440: arm_clk = %ldHz\n", _get_rate("arm_clk"));
pr_info("exynos5440 clock initialization complete\n");
}
void __init s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f,
int current_soc,
void __iomem *base)
{
struct samsung_clk_provider *ctx;
reg_base = base;
if (np) {
reg_base = of_iomap(np, 0);
if (!reg_base)
panic("%s: failed to map registers\n", __func__);
}
ctx = samsung_clk_init(np, reg_base, NR_CLKS);
/* Register external clocks only in non-dt cases */
if (!np)
s3c2410_common_clk_register_fixed_ext(ctx, xti_f);
if (current_soc == S3C2410) {
if (_get_rate("xti") == 12 * MHZ) {
s3c2410_plls[mpll].rate_table = pll_s3c2410_12mhz_tbl;
s3c2410_plls[upll].rate_table = pll_s3c2410_12mhz_tbl;
}
/* Register PLLs. */
samsung_clk_register_pll(ctx, s3c2410_plls,
ARRAY_SIZE(s3c2410_plls), reg_base);
} else { /* S3C2440, S3C2442 */
if (_get_rate("xti") == 12 * MHZ) {
/*
* plls follow different calculation schemes, with the
* upll following the same scheme as the s3c2410 plls
*/
s3c244x_common_plls[mpll].rate_table =
pll_s3c244x_12mhz_tbl;
s3c244x_common_plls[upll].rate_table =
pll_s3c2410_12mhz_tbl;
}
/* Register PLLs. */
samsung_clk_register_pll(ctx, s3c244x_common_plls,
ARRAY_SIZE(s3c244x_common_plls), reg_base);
}
/* Register common internal clocks. */
samsung_clk_register_mux(ctx, s3c2410_common_muxes,
ARRAY_SIZE(s3c2410_common_muxes));
samsung_clk_register_div(ctx, s3c2410_common_dividers,
ARRAY_SIZE(s3c2410_common_dividers));
samsung_clk_register_gate(ctx, s3c2410_common_gates,
ARRAY_SIZE(s3c2410_common_gates));
if (current_soc == S3C2440 || current_soc == S3C2442) {
samsung_clk_register_div(ctx, s3c244x_common_dividers,
ARRAY_SIZE(s3c244x_common_dividers));
samsung_clk_register_gate(ctx, s3c244x_common_gates,
ARRAY_SIZE(s3c244x_common_gates));
samsung_clk_register_mux(ctx, s3c244x_common_muxes,
ARRAY_SIZE(s3c244x_common_muxes));
samsung_clk_register_fixed_factor(ctx, s3c244x_common_ffactor,
ARRAY_SIZE(s3c244x_common_ffactor));
}
/* Register SoC-specific clocks. */
switch (current_soc) {
case S3C2410:
samsung_clk_register_div(ctx, s3c2410_dividers,
ARRAY_SIZE(s3c2410_dividers));
samsung_clk_register_fixed_factor(ctx, s3c2410_ffactor,
ARRAY_SIZE(s3c2410_ffactor));
samsung_clk_register_alias(ctx, s3c2410_aliases,
ARRAY_SIZE(s3c2410_aliases));
break;
case S3C2440:
samsung_clk_register_mux(ctx, s3c2440_muxes,
ARRAY_SIZE(s3c2440_muxes));
samsung_clk_register_gate(ctx, s3c2440_gates,
ARRAY_SIZE(s3c2440_gates));
break;
case S3C2442:
samsung_clk_register_mux(ctx, s3c2442_muxes,
ARRAY_SIZE(s3c2442_muxes));
samsung_clk_register_fixed_factor(ctx, s3c2442_ffactor,
ARRAY_SIZE(s3c2442_ffactor));
break;
}
/*
* Register common aliases at the end, as some of the aliased clocks
* are SoC specific.
*/
samsung_clk_register_alias(ctx, s3c2410_common_aliases,
ARRAY_SIZE(s3c2410_common_aliases));
if (current_soc == S3C2440 || current_soc == S3C2442) {
samsung_clk_register_alias(ctx, s3c244x_common_aliases,
ARRAY_SIZE(s3c244x_common_aliases));
}
samsung_clk_sleep_init(reg_base, s3c2410_clk_regs,
ARRAY_SIZE(s3c2410_clk_regs));
samsung_clk_of_add_provider(np, ctx);
}
/* register exynox5250 clocks */
static void __init exynos5250_clk_init(struct device_node *np)
{
struct samsung_clk_provider *ctx;
unsigned int tmp;
if (np) {
reg_base = of_iomap(np, 0);
if (!reg_base)
panic("%s: failed to map registers\n", __func__);
} else {
panic("%s: unable to determine soc\n", __func__);
}
ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS);
if (!ctx)
panic("%s: unable to allocate context.\n", __func__);
samsung_clk_of_register_fixed_ext(ctx, exynos5250_fixed_rate_ext_clks,
ARRAY_SIZE(exynos5250_fixed_rate_ext_clks),
ext_clk_match);
samsung_clk_register_mux(ctx, exynos5250_pll_pmux_clks,
ARRAY_SIZE(exynos5250_pll_pmux_clks));
if (_get_rate("fin_pll") == 24 * MHZ) {
exynos5250_plls[epll].rate_table = epll_24mhz_tbl;
exynos5250_plls[apll].rate_table = apll_24mhz_tbl;
}
if (_get_rate("mout_vpllsrc") == 24 * MHZ)
exynos5250_plls[vpll].rate_table = vpll_24mhz_tbl;
samsung_clk_register_pll(ctx, exynos5250_plls,
ARRAY_SIZE(exynos5250_plls),
reg_base);
samsung_clk_register_fixed_rate(ctx, exynos5250_fixed_rate_clks,
ARRAY_SIZE(exynos5250_fixed_rate_clks));
samsung_clk_register_fixed_factor(ctx, exynos5250_fixed_factor_clks,
ARRAY_SIZE(exynos5250_fixed_factor_clks));
samsung_clk_register_mux(ctx, exynos5250_mux_clks,
ARRAY_SIZE(exynos5250_mux_clks));
samsung_clk_register_div(ctx, exynos5250_div_clks,
ARRAY_SIZE(exynos5250_div_clks));
samsung_clk_register_gate(ctx, exynos5250_gate_clks,
ARRAY_SIZE(exynos5250_gate_clks));
exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk",
mout_cpu_p[0], mout_cpu_p[1], 0x200,
exynos5250_armclk_d, ARRAY_SIZE(exynos5250_armclk_d),
CLK_CPU_HAS_DIV1);
/*
* Enable arm clock down (in idle) and set arm divider
* ratios in WFI/WFE state.
*/
tmp = (PWR_CTRL1_CORE2_DOWN_RATIO | PWR_CTRL1_CORE1_DOWN_RATIO |
PWR_CTRL1_DIV2_DOWN_EN | PWR_CTRL1_DIV1_DOWN_EN |
PWR_CTRL1_USE_CORE1_WFE | PWR_CTRL1_USE_CORE0_WFE |
PWR_CTRL1_USE_CORE1_WFI | PWR_CTRL1_USE_CORE0_WFI);
__raw_writel(tmp, reg_base + PWR_CTRL1);
/*
* Enable arm clock up (on exiting idle). Set arm divider
* ratios when not in idle along with the standby duration
* ratios.
*/
tmp = (PWR_CTRL2_DIV2_UP_EN | PWR_CTRL2_DIV1_UP_EN |
PWR_CTRL2_DUR_STANDBY2_VAL | PWR_CTRL2_DUR_STANDBY1_VAL |
PWR_CTRL2_CORE2_UP_RATIO | PWR_CTRL2_CORE1_UP_RATIO);
__raw_writel(tmp, reg_base + PWR_CTRL2);
exynos5250_clk_sleep_init();
samsung_clk_of_add_provider(np, ctx);
pr_info("Exynos5250: clock setup completed, armclk=%ld\n",
_get_rate("div_arm2"));
}
/* Register s3c64xx clocks. */
void __init s3c64xx_clk_init(struct device_node *np, unsigned long xtal_f,
unsigned long xusbxti_f, bool s3c6400,
void __iomem *base)
{
struct samsung_clk_provider *ctx;
reg_base = base;
is_s3c6400 = s3c6400;
if (np) {
reg_base = of_iomap(np, 0);
if (!reg_base)
panic("%s: failed to map registers\n", __func__);
}
ctx = samsung_clk_init(np, reg_base, NR_CLKS);
if (!ctx)
panic("%s: unable to allocate context.\n", __func__);
/* Register external clocks. */
if (!np)
s3c64xx_clk_register_fixed_ext(ctx, xtal_f, xusbxti_f);
/* Register PLLs. */
samsung_clk_register_pll(ctx, s3c64xx_pll_clks,
ARRAY_SIZE(s3c64xx_pll_clks), reg_base);
/* Register common internal clocks. */
samsung_clk_register_fixed_rate(ctx, s3c64xx_fixed_rate_clks,
ARRAY_SIZE(s3c64xx_fixed_rate_clks));
samsung_clk_register_mux(ctx, s3c64xx_mux_clks,
ARRAY_SIZE(s3c64xx_mux_clks));
samsung_clk_register_div(ctx, s3c64xx_div_clks,
ARRAY_SIZE(s3c64xx_div_clks));
samsung_clk_register_gate(ctx, s3c64xx_gate_clks,
ARRAY_SIZE(s3c64xx_gate_clks));
/* Register SoC-specific clocks. */
if (is_s3c6400) {
samsung_clk_register_mux(ctx, s3c6400_mux_clks,
ARRAY_SIZE(s3c6400_mux_clks));
samsung_clk_register_div(ctx, s3c6400_div_clks,
ARRAY_SIZE(s3c6400_div_clks));
samsung_clk_register_gate(ctx, s3c6400_gate_clks,
ARRAY_SIZE(s3c6400_gate_clks));
samsung_clk_register_alias(ctx, s3c6400_clock_aliases,
ARRAY_SIZE(s3c6400_clock_aliases));
} else {
samsung_clk_register_mux(ctx, s3c6410_mux_clks,
ARRAY_SIZE(s3c6410_mux_clks));
samsung_clk_register_div(ctx, s3c6410_div_clks,
ARRAY_SIZE(s3c6410_div_clks));
samsung_clk_register_gate(ctx, s3c6410_gate_clks,
ARRAY_SIZE(s3c6410_gate_clks));
samsung_clk_register_alias(ctx, s3c6410_clock_aliases,
ARRAY_SIZE(s3c6410_clock_aliases));
}
samsung_clk_register_alias(ctx, s3c64xx_clock_aliases,
ARRAY_SIZE(s3c64xx_clock_aliases));
s3c64xx_clk_sleep_init();
samsung_clk_of_add_provider(np, ctx);
pr_info("%s clocks: apll = %lu, mpll = %lu\n"
"\tepll = %lu, arm_clk = %lu\n",
is_s3c6400 ? "S3C6400" : "S3C6410",
_get_rate("fout_apll"), _get_rate("fout_mpll"),
_get_rate("fout_epll"), _get_rate("armclk"));
}
/* register exynos5420 clocks */
static void __init exynos5x_clk_init(struct device_node *np,
enum exynos5x_soc soc)
{
struct samsung_clk_provider *ctx;
if (np) {
reg_base = of_iomap(np, 0);
if (!reg_base)
panic("%s: failed to map registers\n", __func__);
} else {
panic("%s: unable to determine soc\n", __func__);
}
exynos5x_soc = soc;
ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS);
if (!ctx)
panic("%s: unable to allocate context.\n", __func__);
samsung_clk_of_register_fixed_ext(ctx, exynos5x_fixed_rate_ext_clks,
ARRAY_SIZE(exynos5x_fixed_rate_ext_clks),
ext_clk_match);
if (_get_rate("fin_pll") == 24 * MHZ) {
exynos5x_plls[apll].rate_table = exynos5420_pll2550x_24mhz_tbl;
exynos5x_plls[kpll].rate_table = exynos5420_pll2550x_24mhz_tbl;
}
samsung_clk_register_pll(ctx, exynos5x_plls, ARRAY_SIZE(exynos5x_plls),
reg_base);
samsung_clk_register_fixed_rate(ctx, exynos5x_fixed_rate_clks,
ARRAY_SIZE(exynos5x_fixed_rate_clks));
samsung_clk_register_fixed_factor(ctx, exynos5x_fixed_factor_clks,
ARRAY_SIZE(exynos5x_fixed_factor_clks));
samsung_clk_register_mux(ctx, exynos5x_mux_clks,
ARRAY_SIZE(exynos5x_mux_clks));
samsung_clk_register_div(ctx, exynos5x_div_clks,
ARRAY_SIZE(exynos5x_div_clks));
samsung_clk_register_gate(ctx, exynos5x_gate_clks,
ARRAY_SIZE(exynos5x_gate_clks));
if (soc == EXYNOS5420) {
samsung_clk_register_mux(ctx, exynos5420_mux_clks,
ARRAY_SIZE(exynos5420_mux_clks));
samsung_clk_register_div(ctx, exynos5420_div_clks,
ARRAY_SIZE(exynos5420_div_clks));
} else {
samsung_clk_register_fixed_factor(
ctx, exynos5800_fixed_factor_clks,
ARRAY_SIZE(exynos5800_fixed_factor_clks));
samsung_clk_register_mux(ctx, exynos5800_mux_clks,
ARRAY_SIZE(exynos5800_mux_clks));
samsung_clk_register_div(ctx, exynos5800_div_clks,
ARRAY_SIZE(exynos5800_div_clks));
samsung_clk_register_gate(ctx, exynos5800_gate_clks,
ARRAY_SIZE(exynos5800_gate_clks));
}
exynos5420_clk_sleep_init();
samsung_clk_of_add_provider(np, ctx);
}