diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c
index d5acd261795c..ecffafea7f83 100644
--- a/arch/arm/mach-s5pv210/clock.c
+++ b/arch/arm/mach-s5pv210/clock.c
@@ -87,6 +87,35 @@ static struct clksrc_clk clk_hclk_msys = {
 	.reg_div	= { .reg = S5P_CLK_DIV0, .shift = 8, .size = 3 },
 };
 
+static struct clksrc_clk clk_sclk_a2m = {
+	.clk	= {
+		.name		= "sclk_a2m",
+		.id		= -1,
+		.parent		= &clk_mout_apll.clk,
+	},
+	.reg_div	= { .reg = S5P_CLK_DIV0, .shift = 4, .size = 3 },
+};
+
+static struct clk *clkset_hclk_sys_list[] = {
+	[0] = &clk_mout_mpll.clk,
+	[1] = &clk_sclk_a2m.clk,
+};
+
+static struct clksrc_sources clkset_hclk_sys = {
+	.sources	= clkset_hclk_sys_list,
+	.nr_sources	= ARRAY_SIZE(clkset_hclk_sys_list),
+};
+
+static struct clksrc_clk clk_hclk_dsys = {
+	.clk	= {
+		.name	= "hclk_dsys",
+		.id	= -1,
+	},
+	.sources	= &clkset_hclk_sys,
+	.reg_src        = { .reg = S5P_CLK_SRC0, .shift = 20, .size = 1 },
+	.reg_div        = { .reg = S5P_CLK_DIV0, .shift = 16, .size = 4 },
+};
+
 static int s5pv210_clk_ip0_ctrl(struct clk *clk, int enable)
 {
 	return s5p_gatectrl(S5P_CLKGATE_IP0, clk, enable);
@@ -112,11 +141,6 @@ static struct clk clk_h100 = {
 	.id		= -1,
 };
 
-static struct clk clk_h166 = {
-	.name		= "hclk166",
-	.id		= -1,
-};
-
 static struct clk clk_h133 = {
 	.name		= "hclk133",
 	.id		= -1,
@@ -139,7 +163,6 @@ static struct clk clk_p66 = {
 
 static struct clk *sys_clks[] = {
 	&clk_h100,
-	&clk_h166,
 	&clk_h133,
 	&clk_p100,
 	&clk_p83,
@@ -150,7 +173,7 @@ static struct clk init_clocks_disable[] = {
 	{
 		.name		= "rot",
 		.id		= -1,
-		.parent		= &clk_h166,
+		.parent		= &clk_hclk_dsys.clk,
 		.enable		= s5pv210_clk_ip0_ctrl,
 		.ctrlbit	= (1<<29),
 	}, {
@@ -168,7 +191,7 @@ static struct clk init_clocks_disable[] = {
 	}, {
 		.name		= "lcd",
 		.id		= -1,
-		.parent		= &clk_h166,
+		.parent		= &clk_hclk_dsys.clk,
 		.enable		= s5pv210_clk_ip1_ctrl,
 		.ctrlbit	= (1<<0),
 	}, {
@@ -353,6 +376,8 @@ static struct clksrc_clk *sysclks[] = {
 	&clk_mout_mpll,
 	&clk_armclk,
 	&clk_hclk_msys,
+	&clk_sclk_a2m,
+	&clk_hclk_dsys,
 };
 
 #define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
@@ -363,7 +388,7 @@ void __init_or_cpufreq s5pv210_setup_clocks(void)
 	unsigned long xtal;
 	unsigned long armclk;
 	unsigned long hclk_msys;
-	unsigned long hclk166;
+	unsigned long hclk_dsys;
 	unsigned long hclk133;
 	unsigned long pclk100;
 	unsigned long pclk83;
@@ -403,12 +428,7 @@ void __init_or_cpufreq s5pv210_setup_clocks(void)
 
 	armclk = clk_get_rate(&clk_armclk.clk);
 	hclk_msys = clk_get_rate(&clk_hclk_msys.clk);
-
-	if (__raw_readl(S5P_CLK_SRC0) & S5P_CLKSRC0_MUX166_MASK) {
-		hclk166 = apll / GET_DIV(clkdiv0, S5P_CLKDIV0_A2M);
-		hclk166 = hclk166 / GET_DIV(clkdiv0, S5P_CLKDIV0_HCLK166);
-	} else
-		hclk166 = mpll / GET_DIV(clkdiv0, S5P_CLKDIV0_HCLK166);
+	hclk_dsys = clk_get_rate(&clk_hclk_dsys.clk);
 
 	if (__raw_readl(S5P_CLK_SRC0) & S5P_CLKSRC0_MUX133_MASK) {
 		hclk133 = apll / GET_DIV(clkdiv0, S5P_CLKDIV0_A2M);
@@ -417,12 +437,12 @@ void __init_or_cpufreq s5pv210_setup_clocks(void)
 		hclk133 = mpll / GET_DIV(clkdiv0, S5P_CLKDIV0_HCLK133);
 
 	pclk100 = hclk_msys / GET_DIV(clkdiv0, S5P_CLKDIV0_PCLK100);
-	pclk83 = hclk166 / GET_DIV(clkdiv0, S5P_CLKDIV0_PCLK83);
+	pclk83 = hclk_dsys / GET_DIV(clkdiv0, S5P_CLKDIV0_PCLK83);
 	pclk66 = hclk133 / GET_DIV(clkdiv0, S5P_CLKDIV0_PCLK66);
 
 	printk(KERN_INFO "S5PV210: ARMCLK=%ld, HCLKM=%ld, HCLKD=%ld, \
 			HCLKP=%ld, PCLKM=%ld, PCLKD=%ld, PCLKP=%ld\n",
-	       armclk, hclk_msys, hclk166, hclk133, pclk100, pclk83, pclk66);
+	       armclk, hclk_msys, hclk_dsys, hclk133, pclk100, pclk83, pclk66);
 
 	clk_f.rate = armclk;
 	clk_h.rate = hclk133;
@@ -430,7 +450,6 @@ void __init_or_cpufreq s5pv210_setup_clocks(void)
 	clk_p66.rate = pclk66;
 	clk_p83.rate = pclk83;
 	clk_h133.rate = hclk133;
-	clk_h166.rate = hclk166;
 
 	for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
 		s3c_set_clksrc(&clksrcs[ptr], true);