ARM: S5PV310: Adds SDMMC clock for S5PV310

This patch adds SDMMC clocks for S5PV310/S5PC210.

Signed-off-by: Jongpill Lee <boyko.lee@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 141 insertions, 1 deletions

diff --git a/arch/arm/mach-s5pv310/clock.c b/arch/arm/mach-s5pv310/clock.c
index a0bcd9f3bb8f..eb087ddb3125 100644
--- a/arch/arm/mach-s5pv310/clock.c
+++ b/arch/arm/mach-s5pv310/clock.c
@@ -51,11 +51,21 @@ static int s5pv310_clksrc_mask_top_ctrl(struct clk *clk, int enable)
         return s5p_gatectrl(S5P_CLKSRC_MASK_TOP, clk, enable);
 }
 
+static int s5pv310_clksrc_mask_fsys_ctrl(struct clk *clk, int enable)
+{
+        return s5p_gatectrl(S5P_CLKSRC_MASK_FSYS, clk, enable);
+}
+
 static int s5pv310_clksrc_mask_peril0_ctrl(struct clk *clk, int enable)
 {
         return s5p_gatectrl(S5P_CLKSRC_MASK_PERIL0, clk, enable);
 }
 
+static int s5pv310_clk_ip_fsys_ctrl(struct clk *clk, int enable)
+{
+        return s5p_gatectrl(S5P_CLKGATE_IP_FSYS, clk, enable);
+}
+
 static int s5pv310_clk_ip_peril_ctrl(struct clk *clk, int enable)
 {
         return s5p_gatectrl(S5P_CLKGATE_IP_PERIL, clk, enable);
@@ -336,6 +346,36 @@ static struct clk init_clocks_disable[] = {
                 .parent         = &clk_aclk_100.clk,
                 .enable         = s5pv310_clk_ip_peril_ctrl,
                 .ctrlbit        = (1<<24),
+        }, {
+                .name           = "hsmmc",
+                .id             = 0,
+                .parent         = &clk_aclk_133.clk,
+                .enable         = s5pv310_clk_ip_fsys_ctrl,
+                .ctrlbit        = (1 << 5),
+        }, {
+                .name           = "hsmmc",
+                .id             = 1,
+                .parent         = &clk_aclk_133.clk,
+                .enable         = s5pv310_clk_ip_fsys_ctrl,
+                .ctrlbit        = (1 << 6),
+        }, {
+                .name           = "hsmmc",
+                .id             = 2,
+                .parent         = &clk_aclk_133.clk,
+                .enable         = s5pv310_clk_ip_fsys_ctrl,
+                .ctrlbit        = (1 << 7),
+        }, {
+                .name           = "hsmmc",
+                .id             = 3,
+                .parent         = &clk_aclk_133.clk,
+                .enable         = s5pv310_clk_ip_fsys_ctrl,
+                .ctrlbit        = (1 << 8),
+        }, {
+                .name           = "hsmmc",
+                .id             = 4,
+                .parent         = &clk_aclk_133.clk,
+                .enable         = s5pv310_clk_ip_fsys_ctrl,
+                .ctrlbit        = (1 << 9),
         }
 };
 
@@ -390,6 +430,56 @@ static struct clksrc_sources clkset_group = {
         .nr_sources     = ARRAY_SIZE(clkset_group_list),
 };
 
+static struct clksrc_clk clk_dout_mmc0 = {
+        .clk            = {
+                .name           = "dout_mmc0",
+                .id             = -1,
+        },
+        .sources = &clkset_group,
+        .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 0, .size = 4 },
+        .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 0, .size = 4 },
+};
+
+static struct clksrc_clk clk_dout_mmc1 = {
+        .clk            = {
+                .name           = "dout_mmc1",
+                .id             = -1,
+        },
+        .sources = &clkset_group,
+        .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 4, .size = 4 },
+        .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 16, .size = 4 },
+};
+
+static struct clksrc_clk clk_dout_mmc2 = {
+        .clk            = {
+                .name           = "dout_mmc2",
+                .id             = -1,
+        },
+        .sources = &clkset_group,
+        .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 8, .size = 4 },
+        .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 0, .size = 4 },
+};
+
+static struct clksrc_clk clk_dout_mmc3 = {
+        .clk            = {
+                .name           = "dout_mmc3",
+                .id             = -1,
+        },
+        .sources = &clkset_group,
+        .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 12, .size = 4 },
+        .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 16, .size = 4 },
+};
+
+static struct clksrc_clk clk_dout_mmc4 = {
+        .clk            = {
+                .name           = "dout_mmc4",
+                .id             = -1,
+        },
+        .sources = &clkset_group,
+        .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 16, .size = 4 },
+        .reg_div = { .reg = S5P_CLKDIV_FSYS3, .shift = 0, .size = 4 },
+};
+
 static struct clksrc_clk clksrcs[] = {
         {
                 .clk    = {
@@ -441,7 +531,52 @@ static struct clksrc_clk clksrcs[] = {
                 .sources = &clkset_group,
                 .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 24, .size = 4 },
                 .reg_div = { .reg = S5P_CLKDIV_PERIL3, .shift = 0, .size = 4 },
-        },
+        }, {
+                .clk            = {
+                        .name           = "sclk_mmc",
+                        .id             = 0,
+                        .parent         = &clk_dout_mmc0.clk,
+                        .enable         = s5pv310_clksrc_mask_fsys_ctrl,
+                        .ctrlbit        = (1 << 0),
+                },
+                .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 8, .size = 8 },
+        }, {
+                .clk            = {
+                        .name           = "sclk_mmc",
+                        .id             = 1,
+                        .parent         = &clk_dout_mmc1.clk,
+                        .enable         = s5pv310_clksrc_mask_fsys_ctrl,
+                        .ctrlbit        = (1 << 4),
+                },
+                .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 24, .size = 8 },
+        }, {
+                .clk            = {
+                        .name           = "sclk_mmc",
+                        .id             = 2,
+                        .parent         = &clk_dout_mmc2.clk,
+                        .enable         = s5pv310_clksrc_mask_fsys_ctrl,
+                        .ctrlbit        = (1 << 8),
+                },
+                .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 8, .size = 8 },
+        }, {
+                .clk            = {
+                        .name           = "sclk_mmc",
+                        .id             = 3,
+                        .parent         = &clk_dout_mmc3.clk,
+                        .enable         = s5pv310_clksrc_mask_fsys_ctrl,
+                        .ctrlbit        = (1 << 12),
+                },
+                .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 24, .size = 8 },
+        }, {
+                .clk            = {
+                        .name           = "sclk_mmc",
+                        .id             = 4,
+                        .parent         = &clk_dout_mmc4.clk,
+                        .enable         = s5pv310_clksrc_mask_fsys_ctrl,
+                        .ctrlbit        = (1 << 16),
+                },
+                .reg_div = { .reg = S5P_CLKDIV_FSYS3, .shift = 8, .size = 8 },
+        }
 };
 
 /* Clock initialization code */
@@ -469,6 +604,11 @@ static struct clksrc_clk *sysclks[] = {
         &clk_aclk_100,
         &clk_aclk_160,
         &clk_aclk_133,
+        &clk_dout_mmc0,
+        &clk_dout_mmc1,
+        &clk_dout_mmc2,
+        &clk_dout_mmc3,
+        &clk_dout_mmc4,
 };
 
 void __init_or_cpufreq s5pv310_setup_clocks(void)