ARM: EXYNOS: add GPC4 bank instance

Add GPC4 bank instance which is included in rev1 of EXYNOS5.

Signed-off-by: Sangsu Park <sangsu4u.park@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-exynos/include/mach/gpio.h

@@ -153,10 +153,11 @@ enum exynos4_gpio_number {
 #define EXYNOS5_GPIO_B2_NR	(4)
 #define EXYNOS5_GPIO_B3_NR	(4)
 #define EXYNOS5_GPIO_C0_NR	(7)
-#define EXYNOS5_GPIO_C1_NR	(7)
+#define EXYNOS5_GPIO_C1_NR	(4)
 #define EXYNOS5_GPIO_C2_NR	(7)
 #define EXYNOS5_GPIO_C3_NR	(7)
-#define EXYNOS5_GPIO_D0_NR	(8)
+#define EXYNOS5_GPIO_C4_NR	(7)
+#define EXYNOS5_GPIO_D0_NR	(4)
 #define EXYNOS5_GPIO_D1_NR	(8)
 #define EXYNOS5_GPIO_Y0_NR	(6)
 #define EXYNOS5_GPIO_Y1_NR	(4)
@@ -199,7 +200,8 @@ enum exynos5_gpio_number {
 	EXYNOS5_GPIO_C1_START		= EXYNOS_GPIO_NEXT(EXYNOS5_GPIO_C0),
 	EXYNOS5_GPIO_C2_START		= EXYNOS_GPIO_NEXT(EXYNOS5_GPIO_C1),
 	EXYNOS5_GPIO_C3_START		= EXYNOS_GPIO_NEXT(EXYNOS5_GPIO_C2),
-	EXYNOS5_GPIO_D0_START		= EXYNOS_GPIO_NEXT(EXYNOS5_GPIO_C3),
+	EXYNOS5_GPIO_C4_START		= EXYNOS_GPIO_NEXT(EXYNOS5_GPIO_C3),
+	EXYNOS5_GPIO_D0_START		= EXYNOS_GPIO_NEXT(EXYNOS5_GPIO_C4),
 	EXYNOS5_GPIO_D1_START		= EXYNOS_GPIO_NEXT(EXYNOS5_GPIO_D0),
 	EXYNOS5_GPIO_Y0_START		= EXYNOS_GPIO_NEXT(EXYNOS5_GPIO_D1),
 	EXYNOS5_GPIO_Y1_START		= EXYNOS_GPIO_NEXT(EXYNOS5_GPIO_Y0),
@@ -242,6 +244,7 @@ enum exynos5_gpio_number {
 #define EXYNOS5_GPC1(_nr)	(EXYNOS5_GPIO_C1_START + (_nr))
 #define EXYNOS5_GPC2(_nr)	(EXYNOS5_GPIO_C2_START + (_nr))
 #define EXYNOS5_GPC3(_nr)	(EXYNOS5_GPIO_C3_START + (_nr))
+#define EXYNOS5_GPC4(_nr)	(EXYNOS5_GPIO_C4_START + (_nr))
 #define EXYNOS5_GPD0(_nr)	(EXYNOS5_GPIO_D0_START + (_nr))
 #define EXYNOS5_GPD1(_nr)	(EXYNOS5_GPIO_D1_START + (_nr))
 #define EXYNOS5_GPY0(_nr)	(EXYNOS5_GPIO_Y0_START + (_nr))

arch/arm/mach-exynos/include/mach/irqs.h

@@ -435,7 +435,7 @@
 
 #define EXYNOS5_MAX_COMBINER_NR		32
 
-#define EXYNOS5_IRQ_GPIO1_NR_GROUPS	13
+#define EXYNOS5_IRQ_GPIO1_NR_GROUPS	14
 #define EXYNOS5_IRQ_GPIO2_NR_GROUPS	9
 #define EXYNOS5_IRQ_GPIO3_NR_GROUPS	5
 #define EXYNOS5_IRQ_GPIO4_NR_GROUPS	1

drivers/gpio/gpio-samsung.c

@@ -2452,6 +2452,12 @@ static struct samsung_gpio_chip exynos5_gpios_1[] = {
 			.ngpio	= EXYNOS5_GPIO_C3_NR,
 			.label	= "GPC3",
 		},
+	}, {
+		.chip	= {
+			.base	= EXYNOS5_GPC4(0),
+			.ngpio	= EXYNOS5_GPIO_C4_NR,
+			.label	= "GPC4",
+		},
 	}, {
 		.chip	= {
 			.base	= EXYNOS5_GPD0(0),
@@ -2878,8 +2884,11 @@ static __init int samsung_gpiolib_init(void)
 			goto err_ioremap1;
 		}
 
+		/* need to set base address for gpc4 */
+		exynos5_gpios_1[11].base = gpio_base1 + 0x2E0;
+
 		/* need to set base address for gpx */
-		chip = &exynos5_gpios_1[20];
+		chip = &exynos5_gpios_1[21];
 		gpx_base = gpio_base1 + 0xC00;
 		for (i = 0; i < 4; i++, chip++, gpx_base += 0x20)
 			chip->base = gpx_base;