Allows using clk_get()/clk_enable()/clk_disable() for VIU
clock in the v4l2 video driver.
Signed-off-by: Hongjun Chen <hong-jun.c...@freescale.com>
Signed-off-by: Anatolij Gustschin <ag...@denx.de>
---
arch/powerpc/platforms/512x/clock.c | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/platforms/512x/clock.c
b/arch/powerpc/platforms/512x/clock.c
index 4c42246..e1c5cd6 100644
--- a/arch/powerpc/platforms/512x/clock.c
+++ b/arch/powerpc/platforms/512x/clock.c
@@ -292,6 +292,15 @@ static void diu_clk_calc(struct clk *clk)
clk->rate = rate;
}
+static void viu_clk_calc(struct clk *clk)
+{
+ unsigned long rate;
+
+ rate = sys_clk.rate;
+ rate /= 2;
+ clk->rate = rate;
+}
+
static void half_clk_calc(struct clk *clk)
{
clk->rate = clk->parent->rate / 2;
@@ -412,6 +421,14 @@ static struct clk diu_clk = {
.calc = diu_clk_calc,
};
+static struct clk viu_clk = {
+ .name = "viu_clk",
+ .flags = CLK_HAS_CTRL,
+ .reg = 1,
+ .bit = 18,
+ .calc = viu_clk_calc,
+};
+
static struct clk axe_clk = {
.name = "axe_clk",
.flags = CLK_HAS_CTRL,
@@ -535,6 +552,7 @@ struct clk *rate_clks[] = {
&ref_clk,
&sys_clk,
&diu_clk,
+ &viu_clk,
&csb_clk,
&e300_clk,
&ips_clk,
--
1.7.0.4
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