[ARM] S3C2412: Correct parents for EREFCLK and UREFCLK

For s3c2412, set parent for clk_erefclk and clk_urefclk.
This allow for example to use xtal or extclk for i2s clock.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Matthieu Castet <matthieu.castet@parrot.com>

2 files changed, 13 insertions, 2 deletions

diff --git a/arch/arm/mach-s3c2412/clock.c b/arch/arm/mach-s3c2412/clock.c
index 2697a65ba727..1157b5a16263 100644
--- a/arch/arm/mach-s3c2412/clock.c
+++ b/arch/arm/mach-s3c2412/clock.c
@@ -631,6 +631,17 @@ static struct clk_init clks_src[] __initdata = {
                 .bit    = S3C2412_CLKSRC_USBCLK_HCLK,
                 .src_0  = &clk_usysclk,
                 .src_1  = &clk_h,
+        /* here we assume  OM[4] select xtal */
+        }, {
+                .clk    = &clk_erefclk,
+                .bit    = S3C2412_CLKSRC_EREFCLK_EXTCLK,
+                .src_0  = &clk_xtal,
+                .src_1  = &clk_ext,
+        }, {
+                .clk    = &clk_urefclk,
+                .bit    = S3C2412_CLKSRC_UREFCLK_EXTCLK,
+                .src_0  = &clk_xtal,
+                .src_1  = &clk_ext,
         },
 };
 
@@ -666,8 +677,6 @@ static void __init s3c2412_clk_initparents(void)
 static struct clk *clks[] __initdata = {
         &clk_ext,
         &clk_usb_bus,
-        &clk_erefclk,
-        &clk_urefclk,
         &clk_mrefclk,
         &clk_armclk,
 };
diff --git a/include/asm-arm/arch-s3c2410/regs-clock.h b/include/asm-arm/arch-s3c2410/regs-clock.h
index ecae9e7f5e45..37661358b42b 100644
--- a/include/asm-arm/arch-s3c2410/regs-clock.h
+++ b/include/asm-arm/arch-s3c2410/regs-clock.h
@@ -189,6 +189,8 @@ s3c2410_get_pll(unsigned int pllval, unsigned int baseclk)
 #define S3C2412_CLKSRC_I2SCLK_MPLL              (1<<9)
 #define S3C2412_CLKSRC_USBCLK_HCLK              (1<<10)
 #define S3C2412_CLKSRC_CAMCLK_HCLK              (1<<11)
+#define S3C2412_CLKSRC_UREFCLK_EXTCLK   (1<<12)
+#define S3C2412_CLKSRC_EREFCLK_EXTCLK   (1<<14)
 
 #endif /* CONFIG_CPU_S3C2412 | CONFIG_CPU_S3C2413 */