[ARM] 5602/1: Add sub clock api for w90p910 platform

Add sub clock api for w90p910 platform.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/arm/mach-w90x900/clock.h b/arch/arm/mach-w90x900/clock.h
index 4f27bda76d56..d2f0e50a70bf 100644
--- a/arch/arm/mach-w90x900/clock.h
+++ b/arch/arm/mach-w90x900/clock.h
@@ -13,6 +13,7 @@
 #include <asm/clkdev.h>
 
 void w90x900_clk_enable(struct clk *clk, int enable);
+void w90x900_subclk_enable(struct clk *clk, int enable);
 void clks_register(struct clk_lookup *clks, size_t num);
 
 struct clk {
@@ -27,6 +28,13 @@ struct clk clk_##_name = {				\
                 .cken   = (1 << _ctrlbit),              \
         }
 
+#define DEFINE_SUBCLK(_name, _ctrlbit)                  \
+struct clk clk_##_name = {                              \
+                .enable = w90x900_subclk_enable,        \
+                .cken   = (1 << _ctrlbit),              \
+        }
+
+
 #define DEF_CLKLOOK(_clk, _devname, _conname)           \
         {                                               \
                 .clk            = _clk,                 \