hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

clk: samsung: exynos4415: Use samsung_cmu_register_one() to simplify code 

This patch uses the samsung_cmu_register_one() to simplify code
for Exynos4415.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
This commit is contained in:
Chanwoo Choi 2014-12-23 16:40:23 +09:00 committed by Sylwester Nawrocki
parent c913e1b32b
commit 01e5200d16
1 changed files with 48 additions and 168 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

216
drivers/clk/samsung/clk-exynos4415.c
View File

@ -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);