summaryrefslogtreecommitdiff
path: root/drivers/clk/samsung/clk-exynos5433.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/clk/samsung/clk-exynos5433.c')
-rw-r--r--drivers/clk/samsung/clk-exynos5433.c236
1 files changed, 52 insertions, 184 deletions
diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c
index f9daae20f393..4b2a861e7d57 100644
--- a/drivers/clk/samsung/clk-exynos5433.c
+++ b/drivers/clk/samsung/clk-exynos5433.c
@@ -6,11 +6,8 @@
* Common Clock Framework support for Exynos5433 SoC.
*/
-#include <linux/clk.h>
#include <linux/clk-provider.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_device.h>
+#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
@@ -19,8 +16,32 @@
#include "clk.h"
#include "clk-cpu.h"
+#include "clk-exynos-arm64.h"
#include "clk-pll.h"
+/* NOTE: Must be equal to the last clock ID increased by one */
+#define CLKS_NR_TOP (CLK_SCLK_HDMI_SPDIF_DISP + 1)
+#define CLKS_NR_CPIF (CLK_SCLK_UFS_MPHY + 1)
+#define CLKS_NR_MIF (CLK_SCLK_BUS_PLL_ATLAS + 1)
+#define CLKS_NR_PERIC (CLK_DIV_SCLK_SC_IN + 1)
+#define CLKS_NR_PERIS (CLK_SCLK_OTP_CON + 1)
+#define CLKS_NR_FSYS (CLK_PCIE + 1)
+#define CLKS_NR_G2D (CLK_PCLK_SMMU_G2D + 1)
+#define CLKS_NR_DISP (CLK_PHYCLK_MIPIDPHY0_RXCLKESC0_PHY + 1)
+#define CLKS_NR_AUD (CLK_SCLK_AUD_I2S + 1)
+#define CLKS_NR_BUSX (CLK_ACLK_BUS2RTND_400 + 1)
+#define CLKS_NR_G3D (CLK_SCLK_HPM_G3D + 1)
+#define CLKS_NR_GSCL (CLK_PCLK_SMMU_GSCL2 + 1)
+#define CLKS_NR_APOLLO (CLK_SCLK_APOLLO + 1)
+#define CLKS_NR_ATLAS (CLK_SCLK_ATLAS + 1)
+#define CLKS_NR_MSCL (CLK_SCLK_JPEG + 1)
+#define CLKS_NR_MFC (CLK_PCLK_SMMU_MFC_0 + 1)
+#define CLKS_NR_HEVC (CLK_PCLK_SMMU_HEVC_0 + 1)
+#define CLKS_NR_ISP (CLK_SCLK_PIXELASYNCM_ISPC + 1)
+#define CLKS_NR_CAM0 (CLK_SCLK_PIXELASYNCS_LITE_C_INIT + 1)
+#define CLKS_NR_CAM1 (CLK_SCLK_ISP_CA5 + 1)
+#define CLKS_NR_IMEM (CLK_PCLK_SLIMSSS + 1)
+
/*
* Register offset definitions for CMU_TOP
*/
@@ -798,7 +819,7 @@ static const struct samsung_cmu_info top_cmu_info __initconst = {
.nr_fixed_clks = ARRAY_SIZE(top_fixed_clks),
.fixed_factor_clks = top_fixed_factor_clks,
.nr_fixed_factor_clks = ARRAY_SIZE(top_fixed_factor_clks),
- .nr_clk_ids = TOP_NR_CLK,
+ .nr_clk_ids = CLKS_NR_TOP,
.clk_regs = top_clk_regs,
.nr_clk_regs = ARRAY_SIZE(top_clk_regs),
.suspend_regs = top_suspend_regs,
@@ -877,7 +898,7 @@ static const struct samsung_cmu_info cpif_cmu_info __initconst = {
.nr_div_clks = ARRAY_SIZE(cpif_div_clks),
.gate_clks = cpif_gate_clks,
.nr_gate_clks = ARRAY_SIZE(cpif_gate_clks),
- .nr_clk_ids = CPIF_NR_CLK,
+ .nr_clk_ids = CLKS_NR_CPIF,
.clk_regs = cpif_clk_regs,
.nr_clk_regs = ARRAY_SIZE(cpif_clk_regs),
.suspend_regs = cpif_suspend_regs,
@@ -1531,7 +1552,7 @@ static const struct samsung_cmu_info mif_cmu_info __initconst = {
.nr_gate_clks = ARRAY_SIZE(mif_gate_clks),
.fixed_factor_clks = mif_fixed_factor_clks,
.nr_fixed_factor_clks = ARRAY_SIZE(mif_fixed_factor_clks),
- .nr_clk_ids = MIF_NR_CLK,
+ .nr_clk_ids = CLKS_NR_MIF,
.clk_regs = mif_clk_regs,
.nr_clk_regs = ARRAY_SIZE(mif_clk_regs),
};
@@ -1730,7 +1751,7 @@ static const struct samsung_cmu_info peric_cmu_info __initconst = {
.nr_div_clks = ARRAY_SIZE(peric_div_clks),
.gate_clks = peric_gate_clks,
.nr_gate_clks = ARRAY_SIZE(peric_gate_clks),
- .nr_clk_ids = PERIC_NR_CLK,
+ .nr_clk_ids = CLKS_NR_PERIC,
.clk_regs = peric_clk_regs,
.nr_clk_regs = ARRAY_SIZE(peric_clk_regs),
.suspend_regs = peric_suspend_regs,
@@ -1924,7 +1945,7 @@ static const struct samsung_gate_clock peris_gate_clks[] __initconst = {
static const struct samsung_cmu_info peris_cmu_info __initconst = {
.gate_clks = peris_gate_clks,
.nr_gate_clks = ARRAY_SIZE(peris_gate_clks),
- .nr_clk_ids = PERIS_NR_CLK,
+ .nr_clk_ids = CLKS_NR_PERIS,
.clk_regs = peris_clk_regs,
.nr_clk_regs = ARRAY_SIZE(peris_clk_regs),
};
@@ -2336,7 +2357,7 @@ static const struct samsung_cmu_info fsys_cmu_info __initconst = {
.nr_gate_clks = ARRAY_SIZE(fsys_gate_clks),
.fixed_clks = fsys_fixed_clks,
.nr_fixed_clks = ARRAY_SIZE(fsys_fixed_clks),
- .nr_clk_ids = FSYS_NR_CLK,
+ .nr_clk_ids = CLKS_NR_FSYS,
.clk_regs = fsys_clk_regs,
.nr_clk_regs = ARRAY_SIZE(fsys_clk_regs),
.suspend_regs = fsys_suspend_regs,
@@ -2459,7 +2480,7 @@ static const struct samsung_cmu_info g2d_cmu_info __initconst = {
.nr_div_clks = ARRAY_SIZE(g2d_div_clks),
.gate_clks = g2d_gate_clks,
.nr_gate_clks = ARRAY_SIZE(g2d_gate_clks),
- .nr_clk_ids = G2D_NR_CLK,
+ .nr_clk_ids = CLKS_NR_G2D,
.clk_regs = g2d_clk_regs,
.nr_clk_regs = ARRAY_SIZE(g2d_clk_regs),
.suspend_regs = g2d_suspend_regs,
@@ -2887,7 +2908,7 @@ static const struct samsung_cmu_info disp_cmu_info __initconst = {
.nr_fixed_clks = ARRAY_SIZE(disp_fixed_clks),
.fixed_factor_clks = disp_fixed_factor_clks,
.nr_fixed_factor_clks = ARRAY_SIZE(disp_fixed_factor_clks),
- .nr_clk_ids = DISP_NR_CLK,
+ .nr_clk_ids = CLKS_NR_DISP,
.clk_regs = disp_clk_regs,
.nr_clk_regs = ARRAY_SIZE(disp_clk_regs),
.suspend_regs = disp_suspend_regs,
@@ -3057,7 +3078,7 @@ static const struct samsung_cmu_info aud_cmu_info __initconst = {
.nr_gate_clks = ARRAY_SIZE(aud_gate_clks),
.fixed_clks = aud_fixed_clks,
.nr_fixed_clks = ARRAY_SIZE(aud_fixed_clks),
- .nr_clk_ids = AUD_NR_CLK,
+ .nr_clk_ids = CLKS_NR_AUD,
.clk_regs = aud_clk_regs,
.nr_clk_regs = ARRAY_SIZE(aud_clk_regs),
.suspend_regs = aud_suspend_regs,
@@ -3189,7 +3210,7 @@ static const struct samsung_gate_clock bus2_gate_clks[] __initconst = {
.nr_div_clks = ARRAY_SIZE(bus##id##_div_clks), \
.gate_clks = bus##id##_gate_clks, \
.nr_gate_clks = ARRAY_SIZE(bus##id##_gate_clks), \
- .nr_clk_ids = BUSx_NR_CLK
+ .nr_clk_ids = CLKS_NR_BUSX
static const struct samsung_cmu_info bus0_cmu_info __initconst = {
CMU_BUS_INFO_CLKS(0),
@@ -3340,7 +3361,7 @@ static const struct samsung_cmu_info g3d_cmu_info __initconst = {
.nr_div_clks = ARRAY_SIZE(g3d_div_clks),
.gate_clks = g3d_gate_clks,
.nr_gate_clks = ARRAY_SIZE(g3d_gate_clks),
- .nr_clk_ids = G3D_NR_CLK,
+ .nr_clk_ids = CLKS_NR_G3D,
.clk_regs = g3d_clk_regs,
.nr_clk_regs = ARRAY_SIZE(g3d_clk_regs),
.suspend_regs = g3d_suspend_regs,
@@ -3483,7 +3504,7 @@ static const struct samsung_cmu_info gscl_cmu_info __initconst = {
.nr_mux_clks = ARRAY_SIZE(gscl_mux_clks),
.gate_clks = gscl_gate_clks,
.nr_gate_clks = ARRAY_SIZE(gscl_gate_clks),
- .nr_clk_ids = GSCL_NR_CLK,
+ .nr_clk_ids = CLKS_NR_GSCL,
.clk_regs = gscl_clk_regs,
.nr_clk_regs = ARRAY_SIZE(gscl_clk_regs),
.suspend_regs = gscl_suspend_regs,
@@ -3677,9 +3698,8 @@ static const struct exynos_cpuclk_cfg_data exynos5433_apolloclk_d[] __initconst
static const struct samsung_cpu_clock apollo_cpu_clks[] __initconst = {
CPU_CLK(CLK_SCLK_APOLLO, "apolloclk", CLK_MOUT_APOLLO_PLL,
- CLK_MOUT_BUS_PLL_APOLLO_USER,
- CLK_CPU_HAS_E5433_REGS_LAYOUT, 0x200,
- exynos5433_apolloclk_d),
+ CLK_MOUT_BUS_PLL_APOLLO_USER, 0, 0x0,
+ CPUCLK_LAYOUT_E5433, exynos5433_apolloclk_d),
};
static const struct samsung_cmu_info apollo_cmu_info __initconst = {
@@ -3693,7 +3713,7 @@ static const struct samsung_cmu_info apollo_cmu_info __initconst = {
.nr_gate_clks = ARRAY_SIZE(apollo_gate_clks),
.cpu_clks = apollo_cpu_clks,
.nr_cpu_clks = ARRAY_SIZE(apollo_cpu_clks),
- .nr_clk_ids = APOLLO_NR_CLK,
+ .nr_clk_ids = CLKS_NR_APOLLO,
.clk_regs = apollo_clk_regs,
.nr_clk_regs = ARRAY_SIZE(apollo_clk_regs),
};
@@ -3922,9 +3942,8 @@ static const struct exynos_cpuclk_cfg_data exynos5433_atlasclk_d[] __initconst =
static const struct samsung_cpu_clock atlas_cpu_clks[] __initconst = {
CPU_CLK(CLK_SCLK_ATLAS, "atlasclk", CLK_MOUT_ATLAS_PLL,
- CLK_MOUT_BUS_PLL_ATLAS_USER,
- CLK_CPU_HAS_E5433_REGS_LAYOUT, 0x200,
- exynos5433_atlasclk_d),
+ CLK_MOUT_BUS_PLL_ATLAS_USER, 0, 0x0,
+ CPUCLK_LAYOUT_E5433, exynos5433_atlasclk_d),
};
static const struct samsung_cmu_info atlas_cmu_info __initconst = {
@@ -3938,7 +3957,7 @@ static const struct samsung_cmu_info atlas_cmu_info __initconst = {
.nr_gate_clks = ARRAY_SIZE(atlas_gate_clks),
.cpu_clks = atlas_cpu_clks,
.nr_cpu_clks = ARRAY_SIZE(atlas_cpu_clks),
- .nr_clk_ids = ATLAS_NR_CLK,
+ .nr_clk_ids = CLKS_NR_ATLAS,
.clk_regs = atlas_clk_regs,
.nr_clk_regs = ARRAY_SIZE(atlas_clk_regs),
};
@@ -4112,7 +4131,7 @@ static const struct samsung_cmu_info mscl_cmu_info __initconst = {
.nr_div_clks = ARRAY_SIZE(mscl_div_clks),
.gate_clks = mscl_gate_clks,
.nr_gate_clks = ARRAY_SIZE(mscl_gate_clks),
- .nr_clk_ids = MSCL_NR_CLK,
+ .nr_clk_ids = CLKS_NR_MSCL,
.clk_regs = mscl_clk_regs,
.nr_clk_regs = ARRAY_SIZE(mscl_clk_regs),
.suspend_regs = mscl_suspend_regs,
@@ -4220,7 +4239,7 @@ static const struct samsung_cmu_info mfc_cmu_info __initconst = {
.nr_div_clks = ARRAY_SIZE(mfc_div_clks),
.gate_clks = mfc_gate_clks,
.nr_gate_clks = ARRAY_SIZE(mfc_gate_clks),
- .nr_clk_ids = MFC_NR_CLK,
+ .nr_clk_ids = CLKS_NR_MFC,
.clk_regs = mfc_clk_regs,
.nr_clk_regs = ARRAY_SIZE(mfc_clk_regs),
.suspend_regs = mfc_suspend_regs,
@@ -4330,7 +4349,7 @@ static const struct samsung_cmu_info hevc_cmu_info __initconst = {
.nr_div_clks = ARRAY_SIZE(hevc_div_clks),
.gate_clks = hevc_gate_clks,
.nr_gate_clks = ARRAY_SIZE(hevc_gate_clks),
- .nr_clk_ids = HEVC_NR_CLK,
+ .nr_clk_ids = CLKS_NR_HEVC,
.clk_regs = hevc_clk_regs,
.nr_clk_regs = ARRAY_SIZE(hevc_clk_regs),
.suspend_regs = hevc_suspend_regs,
@@ -4583,7 +4602,7 @@ static const struct samsung_cmu_info isp_cmu_info __initconst = {
.nr_div_clks = ARRAY_SIZE(isp_div_clks),
.gate_clks = isp_gate_clks,
.nr_gate_clks = ARRAY_SIZE(isp_gate_clks),
- .nr_clk_ids = ISP_NR_CLK,
+ .nr_clk_ids = CLKS_NR_ISP,
.clk_regs = isp_clk_regs,
.nr_clk_regs = ARRAY_SIZE(isp_clk_regs),
.suspend_regs = isp_suspend_regs,
@@ -5065,7 +5084,7 @@ static const struct samsung_cmu_info cam0_cmu_info __initconst = {
.nr_gate_clks = ARRAY_SIZE(cam0_gate_clks),
.fixed_clks = cam0_fixed_clks,
.nr_fixed_clks = ARRAY_SIZE(cam0_fixed_clks),
- .nr_clk_ids = CAM0_NR_CLK,
+ .nr_clk_ids = CLKS_NR_CAM0,
.clk_regs = cam0_clk_regs,
.nr_clk_regs = ARRAY_SIZE(cam0_clk_regs),
.suspend_regs = cam0_suspend_regs,
@@ -5440,7 +5459,7 @@ static const struct samsung_cmu_info cam1_cmu_info __initconst = {
.nr_gate_clks = ARRAY_SIZE(cam1_gate_clks),
.fixed_clks = cam1_fixed_clks,
.nr_fixed_clks = ARRAY_SIZE(cam1_fixed_clks),
- .nr_clk_ids = CAM1_NR_CLK,
+ .nr_clk_ids = CLKS_NR_CAM1,
.clk_regs = cam1_clk_regs,
.nr_clk_regs = ARRAY_SIZE(cam1_clk_regs),
.suspend_regs = cam1_suspend_regs,
@@ -5472,166 +5491,15 @@ static const struct samsung_gate_clock imem_gate_clks[] __initconst = {
static const struct samsung_cmu_info imem_cmu_info __initconst = {
.gate_clks = imem_gate_clks,
.nr_gate_clks = ARRAY_SIZE(imem_gate_clks),
- .nr_clk_ids = IMEM_NR_CLK,
+ .nr_clk_ids = CLKS_NR_IMEM,
.clk_regs = imem_clk_regs,
.nr_clk_regs = ARRAY_SIZE(imem_clk_regs),
.clk_name = "aclk_imem_200",
};
-struct exynos5433_cmu_data {
- struct samsung_clk_reg_dump *clk_save;
- unsigned int nr_clk_save;
- const struct samsung_clk_reg_dump *clk_suspend;
- unsigned int nr_clk_suspend;
-
- struct clk *clk;
- struct clk **pclks;
- int nr_pclks;
-
- /* must be the last entry */
- struct samsung_clk_provider ctx;
-};
-
-static int __maybe_unused exynos5433_cmu_suspend(struct device *dev)
-{
- struct exynos5433_cmu_data *data = dev_get_drvdata(dev);
- int i;
-
- samsung_clk_save(data->ctx.reg_base, data->clk_save,
- data->nr_clk_save);
-
- for (i = 0; i < data->nr_pclks; i++)
- clk_prepare_enable(data->pclks[i]);
-
- /* for suspend some registers have to be set to certain values */
- samsung_clk_restore(data->ctx.reg_base, data->clk_suspend,
- data->nr_clk_suspend);
-
- for (i = 0; i < data->nr_pclks; i++)
- clk_disable_unprepare(data->pclks[i]);
-
- clk_disable_unprepare(data->clk);
-
- return 0;
-}
-
-static int __maybe_unused exynos5433_cmu_resume(struct device *dev)
-{
- struct exynos5433_cmu_data *data = dev_get_drvdata(dev);
- int i;
-
- clk_prepare_enable(data->clk);
-
- for (i = 0; i < data->nr_pclks; i++)
- clk_prepare_enable(data->pclks[i]);
-
- samsung_clk_restore(data->ctx.reg_base, data->clk_save,
- data->nr_clk_save);
-
- for (i = 0; i < data->nr_pclks; i++)
- clk_disable_unprepare(data->pclks[i]);
-
- return 0;
-}
-
static int __init exynos5433_cmu_probe(struct platform_device *pdev)
{
- const struct samsung_cmu_info *info;
- struct exynos5433_cmu_data *data;
- struct samsung_clk_provider *ctx;
- struct device *dev = &pdev->dev;
- void __iomem *reg_base;
- int i;
-
- info = of_device_get_match_data(dev);
-
- data = devm_kzalloc(dev,
- struct_size(data, ctx.clk_data.hws, info->nr_clk_ids),
- GFP_KERNEL);
- if (!data)
- return -ENOMEM;
- ctx = &data->ctx;
-
- reg_base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(reg_base))
- return PTR_ERR(reg_base);
-
- for (i = 0; i < info->nr_clk_ids; ++i)
- ctx->clk_data.hws[i] = ERR_PTR(-ENOENT);
-
- ctx->clk_data.num = info->nr_clk_ids;
- ctx->reg_base = reg_base;
- ctx->dev = dev;
- spin_lock_init(&ctx->lock);
-
- data->clk_save = samsung_clk_alloc_reg_dump(info->clk_regs,
- info->nr_clk_regs);
- if (!data->clk_save)
- return -ENOMEM;
- data->nr_clk_save = info->nr_clk_regs;
- data->clk_suspend = info->suspend_regs;
- data->nr_clk_suspend = info->nr_suspend_regs;
- data->nr_pclks = of_clk_get_parent_count(dev->of_node);
-
- if (data->nr_pclks > 0) {
- data->pclks = devm_kcalloc(dev, sizeof(struct clk *),
- data->nr_pclks, GFP_KERNEL);
- if (!data->pclks) {
- kfree(data->clk_save);
- return -ENOMEM;
- }
- for (i = 0; i < data->nr_pclks; i++) {
- struct clk *clk = of_clk_get(dev->of_node, i);
-
- if (IS_ERR(clk)) {
- kfree(data->clk_save);
- while (--i >= 0)
- clk_put(data->pclks[i]);
- return PTR_ERR(clk);
- }
- data->pclks[i] = clk;
- }
- }
-
- if (info->clk_name)
- data->clk = clk_get(dev, info->clk_name);
- clk_prepare_enable(data->clk);
-
- platform_set_drvdata(pdev, data);
-
- /*
- * Enable runtime PM here to allow the clock core using runtime PM
- * for the registered clocks. Additionally, we increase the runtime
- * PM usage count before registering the clocks, to prevent the
- * clock core from runtime suspending the device.
- */
- pm_runtime_get_noresume(dev);
- pm_runtime_set_active(dev);
- pm_runtime_enable(dev);
-
- if (info->pll_clks)
- samsung_clk_register_pll(ctx, info->pll_clks, info->nr_pll_clks,
- reg_base);
- if (info->mux_clks)
- samsung_clk_register_mux(ctx, info->mux_clks,
- info->nr_mux_clks);
- if (info->div_clks)
- samsung_clk_register_div(ctx, info->div_clks,
- info->nr_div_clks);
- if (info->gate_clks)
- samsung_clk_register_gate(ctx, info->gate_clks,
- info->nr_gate_clks);
- if (info->fixed_clks)
- samsung_clk_register_fixed_rate(ctx, info->fixed_clks,
- info->nr_fixed_clks);
- if (info->fixed_factor_clks)
- samsung_clk_register_fixed_factor(ctx, info->fixed_factor_clks,
- info->nr_fixed_factor_clks);
-
- samsung_clk_of_add_provider(dev->of_node, ctx);
- pm_runtime_put_sync(dev);
-
- return 0;
+ return exynos_arm64_register_cmu_pm(pdev, false);
}
static const struct of_device_id exynos5433_cmu_of_match[] = {
@@ -5679,7 +5547,7 @@ static const struct of_device_id exynos5433_cmu_of_match[] = {
};
static const struct dev_pm_ops exynos5433_cmu_pm_ops = {
- SET_RUNTIME_PM_OPS(exynos5433_cmu_suspend, exynos5433_cmu_resume,
+ SET_RUNTIME_PM_OPS(exynos_arm64_cmu_suspend, exynos_arm64_cmu_resume,
NULL)
SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
pm_runtime_force_resume)
generated by cgit (git 2.34.1) at 2025-12-27 21:00:17 +0000