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提交 b530e7d2 编写于 作者: M Michael Turquette
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Merge tag 'v3.20-exynos-clk' of git://linuxtv.org/snawrocki/samsung into clk-next 

Exynos 3250, 4415 drivers cleanup by using common code
and addition of clock definitions for DVFS on Exynos4.
上级 a251361a e64fb42d
隐藏空白更改
内联 并排
Showing with 118 addition and 348 deletion
drivers/clk/samsung/clk-exynos3250.c
浏览文件 @ b530e7d2
......@@ -104,27 +104,6 @@
#define PWR_CTRL1_USE_CORE1_WFI (1 << 1)
#define PWR_CTRL1_USE_CORE0_WFI (1 << 0)
/* list of PLLs to be registered */
enum exynos3250_plls {
apll, mpll, vpll, upll,
nr_plls
};
/* list of PLLs in DMC block to be registered */
enum exynos3250_dmc_plls {
bpll, epll,
nr_dmc_plls
};
static void __iomem *reg_base;
static void __iomem *dmc_reg_base;
/*
* Support for CMU save/restore across system suspends
*/
#ifdef CONFIG_PM_SLEEP
static struct samsung_clk_reg_dump *exynos3250_clk_regs;
static unsigned long exynos3250_cmu_clk_regs[] __initdata = {
SRC_LEFTBUS,
DIV_LEFTBUS,
......@@ -195,43 +174,6 @@ static unsigned long exynos3250_cmu_clk_regs[] __initdata = {
PWR_CTRL2,
};
static int exynos3250_clk_suspend(void)
{
samsung_clk_save(reg_base, exynos3250_clk_regs,
ARRAY_SIZE(exynos3250_cmu_clk_regs));
return 0;
}
static void exynos3250_clk_resume(void)
{
samsung_clk_restore(reg_base, exynos3250_clk_regs,
ARRAY_SIZE(exynos3250_cmu_clk_regs));
}
static struct syscore_ops exynos3250_clk_syscore_ops = {
.suspend = exynos3250_clk_suspend,
.resume = exynos3250_clk_resume,
};
static void exynos3250_clk_sleep_init(void)
{
exynos3250_clk_regs =
samsung_clk_alloc_reg_dump(exynos3250_cmu_clk_regs,
ARRAY_SIZE(exynos3250_cmu_clk_regs));
if (!exynos3250_clk_regs) {
pr_warn("%s: Failed to allocate sleep save data\n", __func__);
goto err;
}
register_syscore_ops(&exynos3250_clk_syscore_ops);
return;
err:
kfree(exynos3250_clk_regs);
}
#else
static inline void exynos3250_clk_sleep_init(void) { }
#endif
/* list of all parent clock list */
PNAME(mout_vpllsrc_p) = { "fin_pll", };
......@@ -782,18 +724,18 @@ static struct samsung_pll_rate_table exynos3250_vpll_rates[] = {
{ /* sentinel */ }
};
static struct samsung_pll_clock exynos3250_plls[nr_plls] __initdata = {
[apll] = PLL(pll_35xx, CLK_FOUT_APLL, "fout_apll", "fin_pll",
APLL_LOCK, APLL_CON0, NULL),
[mpll] = PLL(pll_35xx, CLK_FOUT_MPLL, "fout_mpll", "fin_pll",
MPLL_LOCK, MPLL_CON0, NULL),
[vpll] = PLL(pll_36xx, CLK_FOUT_VPLL, "fout_vpll", "fin_pll",
VPLL_LOCK, VPLL_CON0, NULL),
[upll] = PLL(pll_35xx, CLK_FOUT_UPLL, "fout_upll", "fin_pll",
UPLL_LOCK, UPLL_CON0, NULL),
static struct samsung_pll_clock exynos3250_plls[] __initdata = {
PLL(pll_35xx, CLK_FOUT_APLL, "fout_apll", "fin_pll",
APLL_LOCK, APLL_CON0, exynos3250_pll_rates),
PLL(pll_35xx, CLK_FOUT_MPLL, "fout_mpll", "fin_pll",
MPLL_LOCK, MPLL_CON0, exynos3250_pll_rates),
PLL(pll_36xx, CLK_FOUT_VPLL, "fout_vpll", "fin_pll",
VPLL_LOCK, VPLL_CON0, exynos3250_vpll_rates),
PLL(pll_35xx, CLK_FOUT_UPLL, "fout_upll", "fin_pll",
UPLL_LOCK, UPLL_CON0, exynos3250_pll_rates),
};
static void __init exynos3_core_down_clock(void)
static void __init exynos3_core_down_clock(void __iomem *reg_base)
{
unsigned int tmp;
......@@ -814,38 +756,31 @@ static void __init exynos3_core_down_clock(void)
__raw_writel(0x0, reg_base + PWR_CTRL2);
}
static struct samsung_cmu_info cmu_info __initdata = {
.pll_clks = exynos3250_plls,
.nr_pll_clks = ARRAY_SIZE(exynos3250_plls),
.mux_clks = mux_clks,
.nr_mux_clks = ARRAY_SIZE(mux_clks),
.div_clks = div_clks,
.nr_div_clks = ARRAY_SIZE(div_clks),
.gate_clks = gate_clks,
.nr_gate_clks = ARRAY_SIZE(gate_clks),
.fixed_factor_clks = fixed_factor_clks,
.nr_fixed_factor_clks = ARRAY_SIZE(fixed_factor_clks),
.nr_clk_ids = CLK_NR_CLKS,
.clk_regs = exynos3250_cmu_clk_regs,
.nr_clk_regs = ARRAY_SIZE(exynos3250_cmu_clk_regs),
};
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);
ctx = samsung_cmu_register_one(np, &cmu_info);
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();
return;
exynos3250_clk_sleep_init();
samsung_clk_of_add_provider(np, ctx);
exynos3_core_down_clock(ctx->reg_base);
}
CLK_OF_DECLARE(exynos3250_cmu, "samsung,exynos3250-cmu", exynos3250_cmu_init);
......@@ -872,12 +807,6 @@ CLK_OF_DECLARE(exynos3250_cmu, "samsung,exynos3250-cmu", exynos3250_cmu_init);
#define EPLL_CON2 0x111c
#define SRC_EPLL 0x1120
/*
* Support for CMU save/restore across system suspends
*/
#ifdef CONFIG_PM_SLEEP
static struct samsung_clk_reg_dump *exynos3250_dmc_clk_regs;
static unsigned long exynos3250_cmu_dmc_clk_regs[] __initdata = {
BPLL_LOCK,
BPLL_CON0,
......@@ -899,43 +828,6 @@ static unsigned long exynos3250_cmu_dmc_clk_regs[] __initdata = {
SRC_EPLL,
};
static int exynos3250_dmc_clk_suspend(void)
{
samsung_clk_save(dmc_reg_base, exynos3250_dmc_clk_regs,
ARRAY_SIZE(exynos3250_cmu_dmc_clk_regs));
return 0;
}
static void exynos3250_dmc_clk_resume(void)
{
samsung_clk_restore(dmc_reg_base, exynos3250_dmc_clk_regs,
ARRAY_SIZE(exynos3250_cmu_dmc_clk_regs));
}
static struct syscore_ops exynos3250_dmc_clk_syscore_ops = {
.suspend = exynos3250_dmc_clk_suspend,
.resume = exynos3250_dmc_clk_resume,
};
static void exynos3250_dmc_clk_sleep_init(void)
{
exynos3250_dmc_clk_regs =
samsung_clk_alloc_reg_dump(exynos3250_cmu_dmc_clk_regs,
ARRAY_SIZE(exynos3250_cmu_dmc_clk_regs));
if (!exynos3250_dmc_clk_regs) {
pr_warn("%s: Failed to allocate sleep save data\n", __func__);
goto err;
}
register_syscore_ops(&exynos3250_dmc_clk_syscore_ops);
return;
err:
kfree(exynos3250_dmc_clk_regs);
}
#else
static inline void exynos3250_dmc_clk_sleep_init(void) { }
#endif
PNAME(mout_epll_p) = { "fin_pll", "fout_epll", };
PNAME(mout_bpll_p) = { "fin_pll", "fout_bpll", };
PNAME(mout_mpll_mif_p) = { "fin_pll", "sclk_mpll_mif", };
......@@ -977,43 +869,28 @@ static struct samsung_div_clock dmc_div_clks[] __initdata = {
DIV(CLK_DIV_DMCD, "div_dmcd", "div_dmc", DIV_DMC1, 11, 3),
};
static struct samsung_pll_clock exynos3250_dmc_plls[nr_dmc_plls] __initdata = {
[bpll] = PLL(pll_35xx, CLK_FOUT_BPLL, "fout_bpll", "fin_pll",
BPLL_LOCK, BPLL_CON0, NULL),
[epll] = PLL(pll_36xx, CLK_FOUT_EPLL, "fout_epll", "fin_pll",
EPLL_LOCK, EPLL_CON0, NULL),
static struct samsung_pll_clock exynos3250_dmc_plls[] __initdata = {
PLL(pll_35xx, CLK_FOUT_BPLL, "fout_bpll", "fin_pll",
BPLL_LOCK, BPLL_CON0, exynos3250_pll_rates),
PLL(pll_36xx, CLK_FOUT_EPLL, "fout_epll", "fin_pll",
EPLL_LOCK, EPLL_CON0, exynos3250_epll_rates),
};
static struct samsung_cmu_info dmc_cmu_info __initdata = {
.pll_clks = exynos3250_dmc_plls,
.nr_pll_clks = ARRAY_SIZE(exynos3250_dmc_plls),
.mux_clks = dmc_mux_clks,
.nr_mux_clks = ARRAY_SIZE(dmc_mux_clks),
.div_clks = dmc_div_clks,
.nr_div_clks = ARRAY_SIZE(dmc_div_clks),
.nr_clk_ids = NR_CLKS_DMC,
.clk_regs = exynos3250_cmu_dmc_clk_regs,
.nr_clk_regs = ARRAY_SIZE(exynos3250_cmu_dmc_clk_regs),
};
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);
samsung_cmu_register_one(np, &dmc_cmu_info);
}
CLK_OF_DECLARE(exynos3250_cmu_dmc, "samsung,exynos3250-cmu-dmc",
exynos3250_cmu_dmc_init);
drivers/clk/samsung/clk-exynos4.c
浏览文件 @ b530e7d2
......@@ -703,12 +703,12 @@ static struct samsung_mux_clock exynos4x12_mux_clks[] __initdata = {
/* list of divider clocks supported in all exynos4 soc's */
static struct samsung_div_clock exynos4_div_clks[] __initdata = {
DIV(0, "div_gdl", "mout_gdl", DIV_LEFTBUS, 0, 3),
DIV(CLK_DIV_GDL, "div_gdl", "mout_gdl", DIV_LEFTBUS, 0, 3),
DIV(0, "div_gpl", "div_gdl", DIV_LEFTBUS, 4, 3),
DIV(0, "div_clkout_leftbus", "mout_clkout_leftbus",
CLKOUT_CMU_LEFTBUS, 8, 6),
DIV(0, "div_gdr", "mout_gdr", DIV_RIGHTBUS, 0, 3),
DIV(CLK_DIV_GDR, "div_gdr", "mout_gdr", DIV_RIGHTBUS, 0, 3),
DIV(0, "div_gpr", "div_gdr", DIV_RIGHTBUS, 4, 3),
DIV(0, "div_clkout_rightbus", "mout_clkout_rightbus",
CLKOUT_CMU_RIGHTBUS, 8, 6),
......@@ -781,10 +781,10 @@ static struct samsung_div_clock exynos4_div_clks[] __initdata = {
CLK_SET_RATE_PARENT, 0),
DIV(0, "div_clkout_top", "mout_clkout_top", CLKOUT_CMU_TOP, 8, 6),
DIV(0, "div_acp", "mout_dmc_bus", DIV_DMC0, 0, 3),
DIV(CLK_DIV_ACP, "div_acp", "mout_dmc_bus", DIV_DMC0, 0, 3),
DIV(0, "div_acp_pclk", "div_acp", DIV_DMC0, 4, 3),
DIV(0, "div_dphy", "mout_dphy", DIV_DMC0, 8, 3),
DIV(0, "div_dmc", "mout_dmc_bus", DIV_DMC0, 12, 3),
DIV(CLK_DIV_DMC, "div_dmc", "mout_dmc_bus", DIV_DMC0, 12, 3),
DIV(0, "div_dmcd", "div_dmc", DIV_DMC0, 16, 3),
DIV(0, "div_dmcp", "div_dmcd", DIV_DMC0, 20, 3),
DIV(0, "div_pwi", "mout_pwi", DIV_DMC1, 8, 4),
......@@ -829,7 +829,7 @@ static struct samsung_div_clock exynos4x12_div_clks[] __initdata = {
DIV_F(CLK_DIV_MCUISP1, "div_mcuisp1", "div_mcuisp0", E4X12_DIV_ISP1,
8, 3, CLK_GET_RATE_NOCACHE, 0),
DIV(CLK_SCLK_FIMG2D, "sclk_fimg2d", "mout_g2d", DIV_DMC1, 0, 4),
DIV(0, "div_c2c", "mout_c2c", DIV_DMC1, 4, 3),
DIV(CLK_DIV_C2C, "div_c2c", "mout_c2c", DIV_DMC1, 4, 3),
DIV(0, "div_c2c_aclk", "div_c2c", DIV_DMC1, 12, 3),
};
......
drivers/clk/samsung/clk-exynos4415.c
浏览文件 @ b530e7d2
......@@ -113,19 +113,6 @@
#define DIV_CPU0 0x14500
#define DIV_CPU1 0x14504
enum exynos4415_plls {
apll, epll, g3d_pll, isp_pll, disp_pll,
nr_plls,
};
static struct samsung_clk_provider *exynos4415_ctx;
/*
* Support for CMU save/restore across system suspends
*/
#ifdef CONFIG_PM_SLEEP
static struct samsung_clk_reg_dump *exynos4415_clk_regs;
static unsigned long exynos4415_cmu_clk_regs[] __initdata = {
SRC_LEFTBUS,
DIV_LEFTBUS,
......@@ -219,41 +206,6 @@ static unsigned long exynos4415_cmu_clk_regs[] __initdata = {
DIV_CPU1,
};
static int exynos4415_clk_suspend(void)
{
samsung_clk_save(exynos4415_ctx->reg_base, exynos4415_clk_regs,
ARRAY_SIZE(exynos4415_cmu_clk_regs));
return 0;
}
static void exynos4415_clk_resume(void)
{
samsung_clk_restore(exynos4415_ctx->reg_base, exynos4415_clk_regs,
ARRAY_SIZE(exynos4415_cmu_clk_regs));
}
static struct syscore_ops exynos4415_clk_syscore_ops = {
.suspend = exynos4415_clk_suspend,
.resume = exynos4415_clk_resume,
};
static void exynos4415_clk_sleep_init(void)
{
exynos4415_clk_regs =
samsung_clk_alloc_reg_dump(exynos4415_cmu_clk_regs,
ARRAY_SIZE(exynos4415_cmu_clk_regs));
if (!exynos4415_clk_regs) {
pr_warn("%s: Failed to allocate sleep save data\n", __func__);
return;
}
register_syscore_ops(&exynos4415_clk_syscore_ops);
}
#else
static inline void exynos4415_clk_sleep_init(void) { }
#endif
/* list of all parent clock list */
PNAME(mout_g3d_pllsrc_p) = { "fin_pll", };
......@@ -959,56 +911,40 @@ static struct samsung_pll_rate_table exynos4415_epll_rates[] = {
{ /* sentinel */ }
};
static struct samsung_pll_clock exynos4415_plls[nr_plls] __initdata = {
[apll] = PLL(pll_35xx, CLK_FOUT_APLL, "fout_apll", "fin_pll",
APLL_LOCK, APLL_CON0, NULL),
[epll] = PLL(pll_36xx, CLK_FOUT_EPLL, "fout_epll", "fin_pll",
EPLL_LOCK, EPLL_CON0, NULL),
[g3d_pll] = PLL(pll_35xx, CLK_FOUT_G3D_PLL, "fout_g3d_pll",
"mout_g3d_pllsrc", G3D_PLL_LOCK, G3D_PLL_CON0, NULL),
[isp_pll] = PLL(pll_35xx, CLK_FOUT_ISP_PLL, "fout_isp_pll", "fin_pll",
ISP_PLL_LOCK, ISP_PLL_CON0, NULL),
[disp_pll] = PLL(pll_35xx, CLK_FOUT_DISP_PLL, "fout_disp_pll",
"fin_pll", DISP_PLL_LOCK, DISP_PLL_CON0, NULL),
static struct samsung_pll_clock exynos4415_plls[] __initdata = {
PLL(pll_35xx, CLK_FOUT_APLL, "fout_apll", "fin_pll",
APLL_LOCK, APLL_CON0, exynos4415_pll_rates),
PLL(pll_36xx, CLK_FOUT_EPLL, "fout_epll", "fin_pll",
EPLL_LOCK, EPLL_CON0, exynos4415_epll_rates),
PLL(pll_35xx, CLK_FOUT_G3D_PLL, "fout_g3d_pll", "mout_g3d_pllsrc",
G3D_PLL_LOCK, G3D_PLL_CON0, exynos4415_pll_rates),
PLL(pll_35xx, CLK_FOUT_ISP_PLL, "fout_isp_pll", "fin_pll",
ISP_PLL_LOCK, ISP_PLL_CON0, exynos4415_pll_rates),
PLL(pll_35xx, CLK_FOUT_DISP_PLL, "fout_disp_pll",
"fin_pll", DISP_PLL_LOCK, DISP_PLL_CON0, exynos4415_pll_rates),
};
static struct samsung_cmu_info cmu_info __initdata = {
.pll_clks = exynos4415_plls,
.nr_pll_clks = ARRAY_SIZE(exynos4415_plls),
.mux_clks = exynos4415_mux_clks,
.nr_mux_clks = ARRAY_SIZE(exynos4415_mux_clks),
.div_clks = exynos4415_div_clks,
.nr_div_clks = ARRAY_SIZE(exynos4415_div_clks),
.gate_clks = exynos4415_gate_clks,
.nr_gate_clks = ARRAY_SIZE(exynos4415_gate_clks),
.fixed_clks = exynos4415_fixed_rate_clks,
.nr_fixed_clks = ARRAY_SIZE(exynos4415_fixed_rate_clks),
.fixed_factor_clks = exynos4415_fixed_factor_clks,
.nr_fixed_factor_clks = ARRAY_SIZE(exynos4415_fixed_factor_clks),
.nr_clk_ids = CLK_NR_CLKS,
.clk_regs = exynos4415_cmu_clk_regs,
.nr_clk_regs = ARRAY_SIZE(exynos4415_cmu_clk_regs),
};
static void __init exynos4415_cmu_init(struct device_node *np)
{
void __iomem *reg_base;
reg_base = of_iomap(np, 0);
if (!reg_base)
panic("%s: failed to map registers\n", __func__);
exynos4415_ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS);
if (!exynos4415_ctx)
panic("%s: unable to allocate context.\n", __func__);
exynos4415_plls[apll].rate_table = exynos4415_pll_rates;
exynos4415_plls[epll].rate_table = exynos4415_epll_rates;
exynos4415_plls[g3d_pll].rate_table = exynos4415_pll_rates;
exynos4415_plls[isp_pll].rate_table = exynos4415_pll_rates;
exynos4415_plls[disp_pll].rate_table = exynos4415_pll_rates;
samsung_clk_register_fixed_factor(exynos4415_ctx,
exynos4415_fixed_factor_clks,
ARRAY_SIZE(exynos4415_fixed_factor_clks));
samsung_clk_register_fixed_rate(exynos4415_ctx,
exynos4415_fixed_rate_clks,
ARRAY_SIZE(exynos4415_fixed_rate_clks));
samsung_clk_register_pll(exynos4415_ctx, exynos4415_plls,
ARRAY_SIZE(exynos4415_plls), reg_base);
samsung_clk_register_mux(exynos4415_ctx, exynos4415_mux_clks,
ARRAY_SIZE(exynos4415_mux_clks));
samsung_clk_register_div(exynos4415_ctx, exynos4415_div_clks,
ARRAY_SIZE(exynos4415_div_clks));
samsung_clk_register_gate(exynos4415_ctx, exynos4415_gate_clks,
ARRAY_SIZE(exynos4415_gate_clks));
exynos4415_clk_sleep_init();
samsung_clk_of_add_provider(np, exynos4415_ctx);
samsung_cmu_register_one(np, &cmu_info);
}
CLK_OF_DECLARE(exynos4415_cmu, "samsung,exynos4415-cmu", exynos4415_cmu_init);
......@@ -1027,16 +963,6 @@ CLK_OF_DECLARE(exynos4415_cmu, "samsung,exynos4415-cmu", exynos4415_cmu_init);
#define SRC_DMC 0x300
#define DIV_DMC1 0x504
enum exynos4415_dmc_plls {
mpll, bpll,
nr_dmc_plls,
};
static struct samsung_clk_provider *exynos4415_dmc_ctx;
#ifdef CONFIG_PM_SLEEP
static struct samsung_clk_reg_dump *exynos4415_dmc_clk_regs;
static unsigned long exynos4415_cmu_dmc_clk_regs[] __initdata = {
MPLL_LOCK,
MPLL_CON0,
......@@ -1050,42 +976,6 @@ static unsigned long exynos4415_cmu_dmc_clk_regs[] __initdata = {
DIV_DMC1,
};
static int exynos4415_dmc_clk_suspend(void)
{
samsung_clk_save(exynos4415_dmc_ctx->reg_base,
exynos4415_dmc_clk_regs,
ARRAY_SIZE(exynos4415_cmu_dmc_clk_regs));
return 0;
}
static void exynos4415_dmc_clk_resume(void)
{
samsung_clk_restore(exynos4415_dmc_ctx->reg_base,
exynos4415_dmc_clk_regs,
ARRAY_SIZE(exynos4415_cmu_dmc_clk_regs));
}
static struct syscore_ops exynos4415_dmc_clk_syscore_ops = {
.suspend = exynos4415_dmc_clk_suspend,
.resume = exynos4415_dmc_clk_resume,
};
static void exynos4415_dmc_clk_sleep_init(void)
{
exynos4415_dmc_clk_regs =
samsung_clk_alloc_reg_dump(exynos4415_cmu_dmc_clk_regs,
ARRAY_SIZE(exynos4415_cmu_dmc_clk_regs));
if (!exynos4415_dmc_clk_regs) {
pr_warn("%s: Failed to allocate sleep save data\n", __func__);
return;
}
register_syscore_ops(&exynos4415_dmc_clk_syscore_ops);
}
#else
static inline void exynos4415_dmc_clk_sleep_init(void) { }
#endif /* CONFIG_PM_SLEEP */
PNAME(mout_mpll_p) = { "fin_pll", "fout_mpll", };
PNAME(mout_bpll_p) = { "fin_pll", "fout_bpll", };
PNAME(mbpll_p) = { "mout_mpll", "mout_bpll", };
......@@ -1107,38 +997,28 @@ static struct samsung_div_clock exynos4415_dmc_div_clks[] __initdata = {
DIV(CLK_DMC_DIV_MPLL_PRE, "div_mpll_pre", "mout_mpll", DIV_DMC1, 8, 2),
};
static struct samsung_pll_clock exynos4415_dmc_plls[nr_dmc_plls] __initdata = {
[mpll] = PLL(pll_35xx, CLK_DMC_FOUT_MPLL, "fout_mpll", "fin_pll",
MPLL_LOCK, MPLL_CON0, NULL),
[bpll] = PLL(pll_35xx, CLK_DMC_FOUT_BPLL, "fout_bpll", "fin_pll",
BPLL_LOCK, BPLL_CON0, NULL),
static struct samsung_pll_clock exynos4415_dmc_plls[] __initdata = {
PLL(pll_35xx, CLK_DMC_FOUT_MPLL, "fout_mpll", "fin_pll",
MPLL_LOCK, MPLL_CON0, exynos4415_pll_rates),
PLL(pll_35xx, CLK_DMC_FOUT_BPLL, "fout_bpll", "fin_pll",
BPLL_LOCK, BPLL_CON0, exynos4415_pll_rates),
};
static struct samsung_cmu_info cmu_dmc_info __initdata = {
.pll_clks = exynos4415_dmc_plls,
.nr_pll_clks = ARRAY_SIZE(exynos4415_dmc_plls),
.mux_clks = exynos4415_dmc_mux_clks,
.nr_mux_clks = ARRAY_SIZE(exynos4415_dmc_mux_clks),
.div_clks = exynos4415_dmc_div_clks,
.nr_div_clks = ARRAY_SIZE(exynos4415_dmc_div_clks),
.nr_clk_ids = NR_CLKS_DMC,
.clk_regs = exynos4415_cmu_dmc_clk_regs,
.nr_clk_regs = ARRAY_SIZE(exynos4415_cmu_dmc_clk_regs),
};
static void __init exynos4415_cmu_dmc_init(struct device_node *np)
{
void __iomem *reg_base;
reg_base = of_iomap(np, 0);
if (!reg_base)
panic("%s: failed to map registers\n", __func__);
exynos4415_dmc_ctx = samsung_clk_init(np, reg_base, NR_CLKS_DMC);
if (!exynos4415_dmc_ctx)
panic("%s: unable to allocate context.\n", __func__);
exynos4415_dmc_plls[mpll].rate_table = exynos4415_pll_rates;
exynos4415_dmc_plls[bpll].rate_table = exynos4415_pll_rates;
samsung_clk_register_pll(exynos4415_dmc_ctx, exynos4415_dmc_plls,
ARRAY_SIZE(exynos4415_dmc_plls), reg_base);
samsung_clk_register_mux(exynos4415_dmc_ctx, exynos4415_dmc_mux_clks,
ARRAY_SIZE(exynos4415_dmc_mux_clks));
samsung_clk_register_div(exynos4415_dmc_ctx, exynos4415_dmc_div_clks,
ARRAY_SIZE(exynos4415_dmc_div_clks));
exynos4415_dmc_clk_sleep_init();
samsung_clk_of_add_provider(np, exynos4415_dmc_ctx);
samsung_cmu_register_one(np, &cmu_dmc_info);
}
CLK_OF_DECLARE(exynos4415_cmu_dmc, "samsung,exynos4415-cmu-dmc",
exynos4415_cmu_dmc_init);
drivers/clk/samsung/clk.c
浏览文件 @ b530e7d2
......@@ -374,19 +374,24 @@ static void samsung_clk_sleep_init(void __iomem *reg_base,
* Common function which registers plls, muxes, dividers and gates
* for each CMU. It also add CMU register list to register cache.
*/
void __init samsung_cmu_register_one(struct device_node *np,
struct samsung_clk_provider * __init samsung_cmu_register_one(
struct device_node *np,
struct samsung_cmu_info *cmu)
{
void __iomem *reg_base;
struct samsung_clk_provider *ctx;
reg_base = of_iomap(np, 0);
if (!reg_base)
if (!reg_base) {
panic("%s: failed to map registers\n", __func__);
return NULL;
}
ctx = samsung_clk_init(np, reg_base, cmu->nr_clk_ids);
if (!ctx)
if (!ctx) {
panic("%s: unable to alllocate ctx\n", __func__);
return ctx;
}
if (cmu->pll_clks)
samsung_clk_register_pll(ctx, cmu->pll_clks, cmu->nr_pll_clks,
......@@ -410,4 +415,6 @@ void __init samsung_cmu_register_one(struct device_node *np,
cmu->nr_clk_regs);
samsung_clk_of_add_provider(np, ctx);
return ctx;
}
drivers/clk/samsung/clk.h
浏览文件 @ b530e7d2
......@@ -392,7 +392,8 @@ extern void __init samsung_clk_register_pll(struct samsung_clk_provider *ctx,
struct samsung_pll_clock *pll_list,
unsigned int nr_clk, void __iomem *base);
extern void __init samsung_cmu_register_one(struct device_node *,
extern struct samsung_clk_provider __init *samsung_cmu_register_one(
struct device_node *,
struct samsung_cmu_info *);
extern unsigned long _get_rate(const char *clk_name);
......
include/dt-bindings/clock/exynos4.h
浏览文件 @ b530e7d2
......@@ -262,8 +262,13 @@
#define CLK_DIV_MCUISP1 453 /* Exynos4x12 only */
#define CLK_DIV_ACLK200 454 /* Exynos4x12 only */
#define CLK_DIV_ACLK400_MCUISP 455 /* Exynos4x12 only */
#define CLK_DIV_ACP 456
#define CLK_DIV_DMC 457
#define CLK_DIV_C2C 458 /* Exynos4x12 only */
#define CLK_DIV_GDL 459
#define CLK_DIV_GDR 460
/* must be greater than maximal clock id */
#define CLK_NR_CLKS 456
#define CLK_NR_CLKS 461
#endif /* _DT_BINDINGS_CLOCK_EXYNOS_4_H */
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