[ARM] S3C64XX: Add HCLKx2

Add doubled HCLK to S3C64xx.

Signed-off-by: Werner Almesberger <werner@openmoko.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

3 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/plat-s3c/include/plat/clock.h b/arch/arm/plat-s3c/include/plat/clock.h
index a10622eed43a..d86af84b5b8c 100644
--- a/arch/arm/plat-s3c/include/plat/clock.h
+++ b/arch/arm/plat-s3c/include/plat/clock.h
@@ -50,6 +50,7 @@ extern struct clk clk_xtal;
 extern struct clk clk_ext;
 
 /* S3C64XX specific clocks */
+extern struct clk clk_h2;
 extern struct clk clk_27m;
 extern struct clk clk_48m;
 
diff --git a/arch/arm/plat-s3c64xx/clock.c b/arch/arm/plat-s3c64xx/clock.c
index ad1b9682c9c3..679076f5071a 100644
--- a/arch/arm/plat-s3c64xx/clock.c
+++ b/arch/arm/plat-s3c64xx/clock.c
@@ -27,6 +27,12 @@
 #include <plat/devs.h>
 #include <plat/clock.h>
 
+struct clk clk_h2 = {
+        .name           = "hclk2",
+        .id             = -1,
+        .rate           = 0,
+};
+
 struct clk clk_27m = {
         .name           = "clk_27m",
         .id             = -1,
@@ -246,6 +252,7 @@ static struct clk *clks[] __initdata = {
         &clk_epll,
         &clk_27m,
         &clk_48m,
+        &clk_h2,
 };
 
 void __init s3c64xx_register_clocks(void)
diff --git a/arch/arm/plat-s3c64xx/s3c6400-clock.c b/arch/arm/plat-s3c64xx/s3c6400-clock.c
index 6dd187d04743..96fa9ea4d5bc 100644
--- a/arch/arm/plat-s3c64xx/s3c6400-clock.c
+++ b/arch/arm/plat-s3c64xx/s3c6400-clock.c
@@ -636,6 +636,7 @@ void __init_or_cpufreq s3c6400_setup_clocks(void)
         clk_fout_epll.rate = epll;
         clk_fout_apll.rate = apll;
 
+        clk_h2.rate = hclk2;
         clk_h.rate = hclk;
         clk_p.rate = pclk;
         clk_f.rate = fclk;