[ARM] pxa: add clock definition for graphics controller

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-pxa/include/mach/pxa3xx-regs.h b/arch/arm/mach-pxa/include/mach/pxa3xx-regs.h
index 7d1a059..e91d63c 100644
--- a/arch/arm/mach-pxa/include/mach/pxa3xx-regs.h
+++ b/arch/arm/mach-pxa/include/mach/pxa3xx-regs.h
@@ -208,7 +208,7 @@
 #define CKEN_MVED	43	/* < MVED clock enable */
 
 /* Note: GCU clock enable bit differs on PXA300/PXA310 and PXA320 */
-#define PXA300_CKEN_GRAPHICS	42	/* Graphics controller clock enable */
-#define PXA320_CKEN_GRAPHICS	7	/* Graphics controller clock enable */
+#define CKEN_PXA300_GCU		42	/* Graphics controller clock enable */
+#define CKEN_PXA320_GCU		7	/* Graphics controller clock enable */
 
 #endif /* __ASM_ARCH_PXA3XX_REGS_H */
diff --git a/arch/arm/mach-pxa/pxa300.c b/arch/arm/mach-pxa/pxa300.c
index 4ba6d21..f4af6e2b 100644
--- a/arch/arm/mach-pxa/pxa300.c
+++ b/arch/arm/mach-pxa/pxa300.c
@@ -84,9 +84,11 @@
 };
 
 static DEFINE_PXA3_CKEN(common_nand, NAND, 156000000, 0);
+static DEFINE_PXA3_CKEN(gcu, PXA300_GCU, 0, 0);
 
 static struct clk_lookup common_clkregs[] = {
 	INIT_CLKREG(&clk_common_nand, "pxa3xx-nand", NULL),
+	INIT_CLKREG(&clk_gcu, "pxa3xx-gcu", NULL),
 };
 
 static DEFINE_PXA3_CKEN(pxa310_mmc3, MMC3, 19500000, 0);
diff --git a/arch/arm/mach-pxa/pxa320.c b/arch/arm/mach-pxa/pxa320.c
index 8b3d97e..c7373e7 100644
--- a/arch/arm/mach-pxa/pxa320.c
+++ b/arch/arm/mach-pxa/pxa320.c
@@ -78,9 +78,11 @@
 };
 
 static DEFINE_PXA3_CKEN(pxa320_nand, NAND, 104000000, 0);
+static DEFINE_PXA3_CKEN(gcu, PXA320_GCU, 0, 0);
 
 static struct clk_lookup pxa320_clkregs[] = {
 	INIT_CLKREG(&clk_pxa320_nand, "pxa3xx-nand", NULL),
+	INIT_CLKREG(&clk_gcu, "pxa3xx-gcu", NULL),
 };
 
 static int __init pxa320_init(void)