ARM: S5PV210: Add support for VPLL

This patch adds the following.

1. Adds 'clk_sclk_hdmi27m' clock to represent the HDMI 27MHz clock.
2. Adds 'clk_vpllsrc; clock of type clksrc_clk to represent the
   input clock for VPLL.
3. Adds 'clk_sclk_vpll' clock of type clksrc_clk to represent the
   output of the MUX_VPLL mux.
4. Add clk_sclk_hdmi27m, clk_vpllsrc and clk_sclk_vpll to the list
   of clocks to be registered.
5. Adds boot time print of 'clk_sclk_vpll' clock rate.
6. Adds 'clk_fout_vpll' clock to plat-s5p such that it is reusable
   on other s5p platforms.

Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

2 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/plat-s5p/clock.c b/arch/arm/plat-s5p/clock.c
index aa96e335073b..4ca0759fa228 100644
--- a/arch/arm/plat-s5p/clock.c
+++ b/arch/arm/plat-s5p/clock.c
@@ -69,6 +69,13 @@ struct clk clk_fout_epll = {
         .ctrlbit        = (1 << 31),
 };
 
+/* VPLL clock output */
+struct clk clk_fout_vpll = {
+        .name           = "fout_vpll",
+        .id             = -1,
+        .ctrlbit        = (1 << 31),
+};
+
 /* ARM clock */
 struct clk clk_arm = {
         .name           = "armclk",
@@ -133,6 +140,7 @@ static struct clk *s5p_clks[] __initdata = {
         &clk_fout_apll,
         &clk_fout_mpll,
         &clk_fout_epll,
+        &clk_fout_vpll,
         &clk_arm,
         &clk_vpll,
 };
diff --git a/arch/arm/plat-s5p/include/plat/s5p-clock.h b/arch/arm/plat-s5p/include/plat/s5p-clock.h
index 56fb8b414d41..5ae8866b7989 100644
--- a/arch/arm/plat-s5p/include/plat/s5p-clock.h
+++ b/arch/arm/plat-s5p/include/plat/s5p-clock.h
@@ -27,6 +27,7 @@ extern struct clk clk_48m;
 extern struct clk clk_fout_apll;
 extern struct clk clk_fout_mpll;
 extern struct clk clk_fout_epll;
+extern struct clk clk_fout_vpll;
 extern struct clk clk_arm;
 extern struct clk clk_vpll;