[ARM] 3637/1: S3C24XX: Add mpll clock, and set as fclk parent

Patch from Ben Dooks

Update the clocks with the MPLL clock, and
use it as the parent. Also export these to
the rest of arch/arm/mach-s3c2410

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 13 insertions, 2 deletions

diff --git a/arch/arm/mach-s3c2410/clock.c b/arch/arm/mach-s3c2410/clock.c
index c5c93c333ac6..90a0610b5142 100644
--- a/arch/arm/mach-s3c2410/clock.c
+++ b/arch/arm/mach-s3c2410/clock.c
@@ -213,7 +213,7 @@ EXPORT_SYMBOL(clk_set_parent);
 
 /* base clocks */
 
-static struct clk clk_xtal = {
+struct clk clk_xtal = {
         .name           = "xtal",
         .id             = -1,
         .rate           = 0,
@@ -221,6 +221,11 @@ static struct clk clk_xtal = {
         .ctrlbit        = 0,
 };
 
+struct clk clk_mpll = {
+        .name           = "mpll",
+        .id             = -1,
+};
+
 struct clk clk_upll = {
         .name           = "upll",
         .id             = -1,
@@ -232,7 +237,7 @@ struct clk clk_f = {
         .name           = "fclk",
         .id             = -1,
         .rate           = 0,
-        .parent         = NULL,
+        .parent         = &clk_mpll,
         .ctrlbit        = 0,
 };
 
@@ -413,6 +418,7 @@ int __init s3c24xx_setup_clocks(unsigned long xtal,
         clk_xtal.rate = xtal;
         clk_upll.rate = s3c2410_get_pll(__raw_readl(S3C2410_UPLLCON), xtal);
 
+        clk_mpll.rate = fclk;
         clk_h.rate = hclk;
         clk_p.rate = pclk;
         clk_f.rate = fclk;
@@ -424,6 +430,9 @@ int __init s3c24xx_setup_clocks(unsigned long xtal,
         if (s3c24xx_register_clock(&clk_xtal) < 0)
                 printk(KERN_ERR "failed to register master xtal\n");
 
+        if (s3c24xx_register_clock(&clk_mpll) < 0)
+                printk(KERN_ERR "failed to register mpll clock\n");
+
         if (s3c24xx_register_clock(&clk_upll) < 0)
                 printk(KERN_ERR "failed to register upll clock\n");
 
diff --git a/arch/arm/mach-s3c2410/clock.h b/arch/arm/mach-s3c2410/clock.h
index 9456c81eb5d3..7f0ea03e1d49 100644
--- a/arch/arm/mach-s3c2410/clock.h
+++ b/arch/arm/mach-s3c2410/clock.h
@@ -42,7 +42,9 @@ extern struct clk clk_usb_bus;
 extern struct clk clk_f;
 extern struct clk clk_h;
 extern struct clk clk_p;
+extern struct clk clk_mpll;
 extern struct clk clk_upll;
+extern struct clk clk_xtal;
 
 /* exports for arch/arm/mach-s3c2410
  *