omap: reuse omap3 gpio support in omap4

Signed-off-by: Aneesh V <aneesh@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
diff --git a/arch/arm/include/asm/arch-omap3/cpu.h b/arch/arm/include/asm/arch-omap3/cpu.h
index e944de7..08a725d 100644
--- a/arch/arm/include/asm/arch-omap3/cpu.h
+++ b/arch/arm/include/asm/arch-omap3/cpu.h
@@ -498,4 +498,30 @@
 /* MUSB base */
 #define MUSB_BASE		(OMAP34XX_CORE_L4_IO_BASE + 0xAB000)
 
+/* OMAP3 GPIO registers */
+#define OMAP_GPIO_REVISION		0x0000
+#define OMAP_GPIO_SYSCONFIG		0x0010
+#define OMAP_GPIO_SYSSTATUS		0x0014
+#define OMAP_GPIO_IRQSTATUS1		0x0018
+#define OMAP_GPIO_IRQSTATUS2		0x0028
+#define OMAP_GPIO_IRQENABLE2		0x002c
+#define OMAP_GPIO_IRQENABLE1		0x001c
+#define OMAP_GPIO_WAKE_EN		0x0020
+#define OMAP_GPIO_CTRL			0x0030
+#define OMAP_GPIO_OE			0x0034
+#define OMAP_GPIO_DATAIN		0x0038
+#define OMAP_GPIO_DATAOUT		0x003c
+#define OMAP_GPIO_LEVELDETECT0		0x0040
+#define OMAP_GPIO_LEVELDETECT1		0x0044
+#define OMAP_GPIO_RISINGDETECT		0x0048
+#define OMAP_GPIO_FALLINGDETECT		0x004c
+#define OMAP_GPIO_DEBOUNCE_EN		0x0050
+#define OMAP_GPIO_DEBOUNCE_VAL		0x0054
+#define OMAP_GPIO_CLEARIRQENABLE1	0x0060
+#define OMAP_GPIO_SETIRQENABLE1		0x0064
+#define OMAP_GPIO_CLEARWKUENA		0x0080
+#define OMAP_GPIO_SETWKUENA		0x0084
+#define OMAP_GPIO_CLEARDATAOUT		0x0090
+#define OMAP_GPIO_SETDATAOUT		0x0094
+
 #endif /* _CPU_H */
diff --git a/arch/arm/include/asm/arch-omap4/cpu.h b/arch/arm/include/asm/arch-omap4/cpu.h
index 7d5748a..08b9c99 100644
--- a/arch/arm/include/asm/arch-omap4/cpu.h
+++ b/arch/arm/include/asm/arch-omap4/cpu.h
@@ -142,4 +142,30 @@
 /* MUSB base */
 #define MUSB_BASE		(OMAP44XX_L4_CORE_BASE + 0xAB000)
 
+/* OMAP4 GPIO registers */
+#define OMAP_GPIO_REVISION		0x0000
+#define OMAP_GPIO_SYSCONFIG		0x0010
+#define OMAP_GPIO_SYSSTATUS		0x0114
+#define OMAP_GPIO_IRQSTATUS1		0x0118
+#define OMAP_GPIO_IRQSTATUS2		0x0128
+#define OMAP_GPIO_IRQENABLE2		0x012c
+#define OMAP_GPIO_IRQENABLE1		0x011c
+#define OMAP_GPIO_WAKE_EN		0x0120
+#define OMAP_GPIO_CTRL			0x0130
+#define OMAP_GPIO_OE			0x0134
+#define OMAP_GPIO_DATAIN		0x0138
+#define OMAP_GPIO_DATAOUT		0x013c
+#define OMAP_GPIO_LEVELDETECT0		0x0140
+#define OMAP_GPIO_LEVELDETECT1		0x0144
+#define OMAP_GPIO_RISINGDETECT		0x0148
+#define OMAP_GPIO_FALLINGDETECT		0x014c
+#define OMAP_GPIO_DEBOUNCE_EN		0x0150
+#define OMAP_GPIO_DEBOUNCE_VAL		0x0154
+#define OMAP_GPIO_CLEARIRQENABLE1	0x0160
+#define OMAP_GPIO_SETIRQENABLE1		0x0164
+#define OMAP_GPIO_CLEARWKUENA		0x0180
+#define OMAP_GPIO_SETWKUENA		0x0184
+#define OMAP_GPIO_CLEARDATAOUT		0x0190
+#define OMAP_GPIO_SETDATAOUT		0x0194
+
 #endif /* _CPU_H */
diff --git a/arch/arm/include/asm/arch-omap4/omap4.h b/arch/arm/include/asm/arch-omap4/omap4.h
index 7ff46d7..9aad0e6 100644
--- a/arch/arm/include/asm/arch-omap4/omap4.h
+++ b/arch/arm/include/asm/arch-omap4/omap4.h
@@ -153,4 +153,12 @@
 #define DEV_DATA_PTR_OFFSET	0x18
 #define BOOT_MODE_OFFSET	0x8
 
+/* GPIO */
+#define OMAP44XX_GPIO1_BASE		0x4A310000
+#define OMAP44XX_GPIO2_BASE		0x48055000
+#define OMAP44XX_GPIO3_BASE		0x48057000
+#define OMAP44XX_GPIO4_BASE		0x48059000
+#define OMAP44XX_GPIO5_BASE		0x4805B000
+#define OMAP44XX_GPIO6_BASE		0x4805D000
+
 #endif
diff --git a/arch/arm/include/asm/arch-omap3/gpio.h b/arch/arm/include/asm/omap_gpio.h
similarity index 67%
rename from arch/arm/include/asm/arch-omap3/gpio.h
rename to arch/arm/include/asm/omap_gpio.h
index 30f633c..3089e1c 100644
--- a/arch/arm/include/asm/arch-omap3/gpio.h
+++ b/arch/arm/include/asm/omap_gpio.h
@@ -38,36 +38,15 @@
 #ifndef _GPIO_H
 #define _GPIO_H
 
-#define OMAP24XX_GPIO_REVISION		0x0000
-#define OMAP24XX_GPIO_SYSCONFIG		0x0010
-#define OMAP24XX_GPIO_SYSSTATUS		0x0014
-#define OMAP24XX_GPIO_IRQSTATUS1	0x0018
-#define OMAP24XX_GPIO_IRQSTATUS2	0x0028
-#define OMAP24XX_GPIO_IRQENABLE2	0x002c
-#define OMAP24XX_GPIO_IRQENABLE1	0x001c
-#define OMAP24XX_GPIO_WAKE_EN		0x0020
-#define OMAP24XX_GPIO_CTRL		0x0030
-#define OMAP24XX_GPIO_OE		0x0034
-#define OMAP24XX_GPIO_DATAIN		0x0038
-#define OMAP24XX_GPIO_DATAOUT		0x003c
-#define OMAP24XX_GPIO_LEVELDETECT0	0x0040
-#define OMAP24XX_GPIO_LEVELDETECT1	0x0044
-#define OMAP24XX_GPIO_RISINGDETECT	0x0048
-#define OMAP24XX_GPIO_FALLINGDETECT	0x004c
-#define OMAP24XX_GPIO_DEBOUNCE_EN	0x0050
-#define OMAP24XX_GPIO_DEBOUNCE_VAL	0x0054
-#define OMAP24XX_GPIO_CLEARIRQENABLE1	0x0060
-#define OMAP24XX_GPIO_SETIRQENABLE1	0x0064
-#define OMAP24XX_GPIO_CLEARWKUENA	0x0080
-#define OMAP24XX_GPIO_SETWKUENA		0x0084
-#define OMAP24XX_GPIO_CLEARDATAOUT	0x0090
-#define OMAP24XX_GPIO_SETDATAOUT	0x0094
+#include <asm/arch/cpu.h>
 
 struct gpio_bank {
 	void *base;
 	int method;
 };
 
+extern const struct gpio_bank *const omap_gpio_bank;
+
 #define METHOD_GPIO_24XX	4
 
 /* This is the interface */