clk: samsung: exynos5433: prepare for adding CPU clocks

Open-code samsung_cmu_register_one() calls for CMU_APOLLO and
CMU_ATLAS setup code as a preparation for adding CPU clocks
support for Exynos5433.

There should be no functional change resulting from this patch.

Cc: Kukjin Kim <kgene@kernel.org>
CC: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>

diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c
index 5993bd5..70e1df6 100644 (file)
--- a/drivers/clk/samsung/clk-exynos5433.c
+++ b/drivers/clk/samsung/clk-exynos5433.c
@@ -11,6 +11,7 @@
 
 #include <linux/clk-provider.h>
 #include <linux/of.h>
+#include <linux/of_address.h>
 
 #include <dt-bindings/clock/exynos5433.h>
 
@@ -3594,23 +3595,35 @@ static const struct samsung_gate_clock apollo_gate_clks[] __initconst = {
                        CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0),
 };
 
-static const struct samsung_cmu_info apollo_cmu_info __initconst = {
-       .pll_clks               = apollo_pll_clks,
-       .nr_pll_clks            = ARRAY_SIZE(apollo_pll_clks),
-       .mux_clks               = apollo_mux_clks,
-       .nr_mux_clks            = ARRAY_SIZE(apollo_mux_clks),
-       .div_clks               = apollo_div_clks,
-       .nr_div_clks            = ARRAY_SIZE(apollo_div_clks),
-       .gate_clks              = apollo_gate_clks,
-       .nr_gate_clks           = ARRAY_SIZE(apollo_gate_clks),
-       .nr_clk_ids             = APOLLO_NR_CLK,
-       .clk_regs               = apollo_clk_regs,
-       .nr_clk_regs            = ARRAY_SIZE(apollo_clk_regs),
-};
-
 static void __init exynos5433_cmu_apollo_init(struct device_node *np)
 {
-       samsung_cmu_register_one(np, &apollo_cmu_info);
+       void __iomem *reg_base;
+       struct samsung_clk_provider *ctx;
+
+       reg_base = of_iomap(np, 0);
+       if (!reg_base) {
+               panic("%s: failed to map registers\n", __func__);
+               return;
+       }
+
+       ctx = samsung_clk_init(np, reg_base, APOLLO_NR_CLK);
+       if (!ctx) {
+               panic("%s: unable to allocate ctx\n", __func__);
+               return;
+       }
+
+       samsung_clk_register_pll(ctx, apollo_pll_clks,
+                                ARRAY_SIZE(apollo_pll_clks), reg_base);
+       samsung_clk_register_mux(ctx, apollo_mux_clks,
+                                ARRAY_SIZE(apollo_mux_clks));
+       samsung_clk_register_div(ctx, apollo_div_clks,
+                                ARRAY_SIZE(apollo_div_clks));
+       samsung_clk_register_gate(ctx, apollo_gate_clks,
+                                 ARRAY_SIZE(apollo_gate_clks));
+       samsung_clk_sleep_init(reg_base, apollo_clk_regs,
+                              ARRAY_SIZE(apollo_clk_regs));
+
+       samsung_clk_of_add_provider(np, ctx);
 }
 CLK_OF_DECLARE(exynos5433_cmu_apollo, "samsung,exynos5433-cmu-apollo",
                exynos5433_cmu_apollo_init);
@@ -3806,23 +3819,35 @@ static const struct samsung_gate_clock atlas_gate_clks[] __initconst = {
                        CLK_IGNORE_UNUSED | CLK_SET_RATE_PARENT, 0),
 };
 
-static const struct samsung_cmu_info atlas_cmu_info __initconst = {
-       .pll_clks               = atlas_pll_clks,
-       .nr_pll_clks            = ARRAY_SIZE(atlas_pll_clks),
-       .mux_clks               = atlas_mux_clks,
-       .nr_mux_clks            = ARRAY_SIZE(atlas_mux_clks),
-       .div_clks               = atlas_div_clks,
-       .nr_div_clks            = ARRAY_SIZE(atlas_div_clks),
-       .gate_clks              = atlas_gate_clks,
-       .nr_gate_clks           = ARRAY_SIZE(atlas_gate_clks),
-       .nr_clk_ids             = ATLAS_NR_CLK,
-       .clk_regs               = atlas_clk_regs,
-       .nr_clk_regs            = ARRAY_SIZE(atlas_clk_regs),
-};
-
 static void __init exynos5433_cmu_atlas_init(struct device_node *np)
 {
-       samsung_cmu_register_one(np, &atlas_cmu_info);
+       void __iomem *reg_base;
+       struct samsung_clk_provider *ctx;
+
+       reg_base = of_iomap(np, 0);
+       if (!reg_base) {
+               panic("%s: failed to map registers\n", __func__);
+               return;
+       }
+
+       ctx = samsung_clk_init(np, reg_base, ATLAS_NR_CLK);
+       if (!ctx) {
+               panic("%s: unable to allocate ctx\n", __func__);
+               return;
+       }
+
+       samsung_clk_register_pll(ctx, atlas_pll_clks,
+                                ARRAY_SIZE(atlas_pll_clks), reg_base);
+       samsung_clk_register_mux(ctx, atlas_mux_clks,
+                                ARRAY_SIZE(atlas_mux_clks));
+       samsung_clk_register_div(ctx, atlas_div_clks,
+                                ARRAY_SIZE(atlas_div_clks));
+       samsung_clk_register_gate(ctx, atlas_gate_clks,
+                                 ARRAY_SIZE(atlas_gate_clks));
+       samsung_clk_sleep_init(reg_base, atlas_clk_regs,
+                              ARRAY_SIZE(atlas_clk_regs));
+
+       samsung_clk_of_add_provider(np, ctx);
 }
 CLK_OF_DECLARE(exynos5433_cmu_atlas, "samsung,exynos5433-cmu-atlas",
                exynos5433_cmu_atlas_init);

diff --git a/drivers/clk/samsung/clk.c b/drivers/clk/samsung/clk.c
index e4d1458..b7d87d6 100644 (file)
--- a/drivers/clk/samsung/clk.c
+++ b/drivers/clk/samsung/clk.c
@@ -346,9 +346,9 @@ static struct syscore_ops samsung_clk_syscore_ops = {
        .resume = samsung_clk_resume,
 };
 
-static void samsung_clk_sleep_init(void __iomem *reg_base,
-               const unsigned long *rdump,
-               unsigned long nr_rdump)
+void samsung_clk_sleep_init(void __iomem *reg_base,
+                       const unsigned long *rdump,
+                       unsigned long nr_rdump)
 {
        struct samsung_clock_reg_cache *reg_cache;
 
@@ -370,9 +370,9 @@ static void samsung_clk_sleep_init(void __iomem *reg_base,
 }
 
 #else
-static void samsung_clk_sleep_init(void __iomem *reg_base,
-               const unsigned long *rdump,
-               unsigned long nr_rdump) {}
+void samsung_clk_sleep_init(void __iomem *reg_base,
+                       const unsigned long *rdump,
+                       unsigned long nr_rdump) {}
 #endif
 
 /*

diff --git a/drivers/clk/samsung/clk.h b/drivers/clk/samsung/clk.h
index 77d4657..da3bdeb 100644 (file)
--- a/drivers/clk/samsung/clk.h
+++ b/drivers/clk/samsung/clk.h
@@ -399,6 +399,10 @@ extern struct samsung_clk_provider __init *samsung_cmu_register_one(
 
 extern unsigned long _get_rate(const char *clk_name);
 
+extern void samsung_clk_sleep_init(void __iomem *reg_base,
+                       const unsigned long *rdump,
+                       unsigned long nr_rdump);
+
 extern void samsung_clk_save(void __iomem *base,
                        struct samsung_clk_reg_dump *rd,
                        unsigned int num_regs);