ARM: EXYNOS: Add clock support for G-Scaler

Add required clock support for G-Scaler for exynos5

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Leela Krishna Amudala <l.krishna@samsung.com>
Signed-off-by: Prathyush K <prathyush.k@samsung.com>
Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 86 insertions, 0 deletions

diff --git a/arch/arm/mach-exynos/clock-exynos5.c b/arch/arm/mach-exynos/clock-exynos5.c
index 774533c67066..1f819ffebbf1 100644
--- a/arch/arm/mach-exynos/clock-exynos5.c
+++ b/arch/arm/mach-exynos/clock-exynos5.c
@@ -552,6 +552,68 @@ static struct clksrc_clk exynos5_clk_aclk_66 = {
         .reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 0, .size = 3 },
 };
 
+static struct clksrc_clk exynos5_clk_mout_aclk_300_gscl_mid = {
+        .clk    = {
+                .name           = "mout_aclk_300_gscl_mid",
+        },
+        .sources = &exynos5_clkset_aclk,
+        .reg_src = { .reg = EXYNOS5_CLKSRC_TOP0, .shift = 24, .size = 1 },
+};
+
+static struct clk *exynos5_clkset_aclk_300_mid1_list[] = {
+        [0] = &exynos5_clk_sclk_vpll.clk,
+        [1] = &exynos5_clk_mout_cpll.clk,
+};
+
+static struct clksrc_sources exynos5_clkset_aclk_300_gscl_mid1 = {
+        .sources        = exynos5_clkset_aclk_300_mid1_list,
+        .nr_sources     = ARRAY_SIZE(exynos5_clkset_aclk_300_mid1_list),
+};
+
+static struct clksrc_clk exynos5_clk_mout_aclk_300_gscl_mid1 = {
+        .clk    = {
+                .name           = "mout_aclk_300_gscl_mid1",
+        },
+        .sources = &exynos5_clkset_aclk_300_gscl_mid1,
+        .reg_src = { .reg = EXYNOS5_CLKSRC_TOP1, .shift = 12, .size = 1 },
+};
+
+static struct clk *exynos5_clkset_aclk_300_gscl_list[] = {
+        [0] = &exynos5_clk_mout_aclk_300_gscl_mid.clk,
+        [1] = &exynos5_clk_mout_aclk_300_gscl_mid1.clk,
+};
+
+static struct clksrc_sources exynos5_clkset_aclk_300_gscl = {
+        .sources        = exynos5_clkset_aclk_300_gscl_list,
+        .nr_sources     = ARRAY_SIZE(exynos5_clkset_aclk_300_gscl_list),
+};
+
+static struct clksrc_clk exynos5_clk_mout_aclk_300_gscl = {
+        .clk    = {
+                .name           = "mout_aclk_300_gscl",
+        },
+        .sources = &exynos5_clkset_aclk_300_gscl,
+        .reg_src = { .reg = EXYNOS5_CLKSRC_TOP0, .shift = 25, .size = 1 },
+};
+
+static struct clk *exynos5_clk_src_gscl_300_list[] = {
+        [0] = &clk_ext_xtal_mux,
+        [1] = &exynos5_clk_mout_aclk_300_gscl.clk,
+};
+
+static struct clksrc_sources exynos5_clk_src_gscl_300 = {
+        .sources        = exynos5_clk_src_gscl_300_list,
+        .nr_sources     = ARRAY_SIZE(exynos5_clk_src_gscl_300_list),
+};
+
+static struct clksrc_clk exynos5_clk_aclk_300_gscl = {
+        .clk    = {
+                .name           = "aclk_300_gscl",
+        },
+        .sources = &exynos5_clk_src_gscl_300,
+        .reg_src = { .reg = EXYNOS5_CLKSRC_TOP3, .shift = 10, .size = 1 },
+};
+
 static struct clk exynos5_init_clocks_off[] = {
         {
                 .name           = "timers",
@@ -764,6 +826,26 @@ static struct clk exynos5_init_clocks_off[] = {
                 .enable         = exynos5_clk_ip_peric_ctrl,
                 .ctrlbit        = (1 << 18),
         }, {
+                .name           = "gscl",
+                .devname        = "exynos-gsc.0",
+                .enable         = exynos5_clk_ip_gscl_ctrl,
+                .ctrlbit        = (1 << 0),
+        }, {
+                .name           = "gscl",
+                .devname        = "exynos-gsc.1",
+                .enable         = exynos5_clk_ip_gscl_ctrl,
+                .ctrlbit        = (1 << 1),
+        }, {
+                .name           = "gscl",
+                .devname        = "exynos-gsc.2",
+                .enable         = exynos5_clk_ip_gscl_ctrl,
+                .ctrlbit        = (1 << 2),
+        }, {
+                .name           = "gscl",
+                .devname        = "exynos-gsc.3",
+                .enable         = exynos5_clk_ip_gscl_ctrl,
+                .ctrlbit        = (1 << 3),
+        }, {
                 .name           = SYSMMU_CLOCK_NAME,
                 .devname        = SYSMMU_CLOCK_DEVNAME(mfc_l, 0),
                 .enable         = &exynos5_clk_ip_mfc_ctrl,
@@ -1225,6 +1307,10 @@ static struct clksrc_clk *exynos5_sysclks[] = {
         &exynos5_clk_aclk_266,
         &exynos5_clk_aclk_200,
         &exynos5_clk_aclk_166,
+        &exynos5_clk_aclk_300_gscl,
+        &exynos5_clk_mout_aclk_300_gscl,
+        &exynos5_clk_mout_aclk_300_gscl_mid,
+        &exynos5_clk_mout_aclk_300_gscl_mid1,
         &exynos5_clk_aclk_66_pre,
         &exynos5_clk_aclk_66,
         &exynos5_clk_dout_mmc0,