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authorMatthieu Castet <matthieu.castet@parrot.com>2008-07-03 11:24:45 +0100
committerBen Dooks <ben-linux@fluff.org>2008-07-03 16:51:30 +0100
commitd5c52922b618aa6ddd6b5ebebc8d0a5ec9a20f10 (patch)
tree11c0d1e2a1659cac4ae74d0bd95ee368744abab1
parent9c3871ca59884563e3f41669a330c9231952643b (diff)
[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>
-rw-r--r--arch/arm/mach-s3c2412/clock.c13
-rw-r--r--include/asm-arm/arch-s3c2410/regs-clock.h2
2 files changed, 13 insertions, 2 deletions
diff --git a/arch/arm/mach-s3c2412/clock.c b/arch/arm/mach-s3c2412/clock.c
index 2697a65ba72..1157b5a1626 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 ecae9e7f5e4..37661358b42 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 */