ARM: EXYNOS: Add pre-divider and fout mux clocks for bpll and mpll

The fout clock of BPLL and MPLL have a selectable source on EXYNOS5250.
The clock options are a fixed divided by 2 clock and the output of the
PLL itself. Add support for these new clock instances.

Signed-off-by: Kisoo Yu <ksoo.yu@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
[kgene.kim@samsung.com: moved common pll stuff into s5p-clock.c]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

2 files changed, 34 insertions, 0 deletions

diff --git a/arch/arm/plat-samsung/include/plat/s5p-clock.h b/arch/arm/plat-samsung/include/plat/s5p-clock.h
index 1de4b32..8364b4b 100644
--- a/arch/arm/plat-samsung/include/plat/s5p-clock.h
+++ b/arch/arm/plat-samsung/include/plat/s5p-clock.h
@@ -32,8 +32,10 @@ extern struct clk clk_48m;
 extern struct clk s5p_clk_27m;
 extern struct clk clk_fout_apll;
 extern struct clk clk_fout_bpll;
+extern struct clk clk_fout_bpll_div2;
 extern struct clk clk_fout_cpll;
 extern struct clk clk_fout_mpll;
+extern struct clk clk_fout_mpll_div2;
 extern struct clk clk_fout_epll;
 extern struct clk clk_fout_dpll;
 extern struct clk clk_fout_vpll;
@@ -42,8 +44,10 @@ extern struct clk clk_vpll;
 
 extern struct clksrc_sources clk_src_apll;
 extern struct clksrc_sources clk_src_bpll;
+extern struct clksrc_sources clk_src_bpll_fout;
 extern struct clksrc_sources clk_src_cpll;
 extern struct clksrc_sources clk_src_mpll;
+extern struct clksrc_sources clk_src_mpll_fout;
 extern struct clksrc_sources clk_src_epll;
 extern struct clksrc_sources clk_src_dpll;
 
diff --git a/arch/arm/plat-samsung/s5p-clock.c b/arch/arm/plat-samsung/s5p-clock.c
index 41d3dfd..031a618 100644
--- a/arch/arm/plat-samsung/s5p-clock.c
+++ b/arch/arm/plat-samsung/s5p-clock.c
@@ -67,6 +67,11 @@ struct clk clk_fout_bpll = {
 	.id		= -1,
 };
 
+struct clk clk_fout_bpll_div2 = {
+	.name		= "fout_bpll_div2",
+	.id		= -1,
+};
+
 /* CPLL clock output */
 
 struct clk clk_fout_cpll = {
@@ -82,6 +87,11 @@ struct clk clk_fout_mpll = {
 	.id		= -1,
 };
 
+struct clk clk_fout_mpll_div2 = {
+	.name		= "fout_mpll_div2",
+	.id		= -1,
+};
+
 /* EPLL clock output */
 struct clk clk_fout_epll = {
 	.name		= "fout_epll",
@@ -125,6 +135,16 @@ struct clksrc_sources clk_src_bpll = {
 	.nr_sources	= ARRAY_SIZE(clk_src_bpll_list),
 };
 
+static struct clk *clk_src_bpll_fout_list[] = {
+	[0] = &clk_fout_bpll_div2,
+	[1] = &clk_fout_bpll,
+};
+
+struct clksrc_sources clk_src_bpll_fout = {
+	.sources	= clk_src_bpll_fout_list,
+	.nr_sources	= ARRAY_SIZE(clk_src_bpll_fout_list),
+};
+
 /* Possible clock sources for CPLL Mux */
 static struct clk *clk_src_cpll_list[] = {
 	[0] = &clk_fin_cpll,
@@ -147,6 +167,16 @@ struct clksrc_sources clk_src_mpll = {
 	.nr_sources	= ARRAY_SIZE(clk_src_mpll_list),
 };
 
+static struct clk *clk_src_mpll_fout_list[] = {
+	[0] = &clk_fout_mpll_div2,
+	[1] = &clk_fout_mpll,
+};
+
+struct clksrc_sources clk_src_mpll_fout = {
+	.sources	= clk_src_mpll_fout_list,
+	.nr_sources	= ARRAY_SIZE(clk_src_mpll_fout_list),
+};
+
 /* Possible clock sources for EPLL Mux */
 static struct clk *clk_src_epll_list[] = {
 	[0] = &clk_fin_epll,