ARM: EXYNOS: Add G2D related clock entries for SMDK4X12

Adds G2D related clock entries for SMDK4X12 boards.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-exynos/clock-exynos4212.c

@@ -68,12 +68,45 @@ static struct clksrc_clk clk_mout_mpll_user = {
 	.reg_src	= { .reg = EXYNOS4_CLKSRC_CPU, .shift = 24, .size = 1 },
 };
 
+static struct clksrc_clk exynos4x12_clk_mout_g2d0 = {
+	.clk	= {
+		.name		= "mout_g2d0",
+	},
+	.sources = &exynos4_clkset_mout_g2d0,
+	.reg_src = { .reg = EXYNOS4_CLKSRC_DMC, .shift = 20, .size = 1 },
+};
+
+static struct clksrc_clk exynos4x12_clk_mout_g2d1 = {
+	.clk	= {
+		.name		= "mout_g2d1",
+	},
+	.sources = &exynos4_clkset_mout_g2d1,
+	.reg_src = { .reg = EXYNOS4_CLKSRC_DMC, .shift = 24, .size = 1 },
+};
+
+static struct clk *exynos4x12_clkset_mout_g2d_list[] = {
+	[0] = &exynos4x12_clk_mout_g2d0.clk,
+	[1] = &exynos4x12_clk_mout_g2d1.clk,
+};
+
+static struct clksrc_sources exynos4x12_clkset_mout_g2d = {
+	.sources	= exynos4x12_clkset_mout_g2d_list,
+	.nr_sources	= ARRAY_SIZE(exynos4x12_clkset_mout_g2d_list),
+};
+
 static struct clksrc_clk *sysclks[] = {
 	&clk_mout_mpll_user,
 };
 
 static struct clksrc_clk clksrcs[] = {
-	/* nothing here yet */
+	{
+		.clk	= {
+			.name		= "sclk_fimg2d",
+		},
+		.sources = &exynos4x12_clkset_mout_g2d,
+		.reg_src = { .reg = EXYNOS4_CLKSRC_DMC, .shift = 28, .size = 1 },
+		.reg_div = { .reg = EXYNOS4_CLKDIV_DMC1, .shift = 0, .size = 4 },
+	},
 };
 
 static struct clk init_clocks_off[] = {
@@ -102,7 +135,11 @@ static struct clk init_clocks_off[] = {
 		.devname	= "exynos-fimc-lite.1",
 		.enable		= exynos4212_clk_ip_isp0_ctrl,
 		.ctrlbit	= (1 << 3),
-	}
+	}, {
+		.name		= "fimg2d",
+		.enable		= exynos4_clk_ip_dmc_ctrl,
+		.ctrlbit	= (1 << 23),
+	},
 };
 
 #ifdef CONFIG_PM_SLEEP