clk: samsung: exynos4415: Use samsung_cmu_register_one() to simplify code
authorChanwoo Choi <cw00.choi@samsung.com>
Tue, 23 Dec 2014 07:40:23 +0000 (16:40 +0900)
committerSylwester Nawrocki <s.nawrocki@samsung.com>
Tue, 23 Dec 2014 13:26:27 +0000 (14:26 +0100)
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>
drivers/clk/samsung/clk-exynos4415.c

index 2123fc251e0f6960b7566759088914162b840c89..6c78b09c829f9148453f56d4f05981452f91487c 100644 (file)
 #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);