From d263011106d0cb580a25dd3ae774c87a56a2b3b3 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=E6=B2=88=E7=9D=BF=E6=B1=80?= <srt@rock-chips.com>
Date: Thu, 29 Apr 2010 09:10:42 +0000
Subject: [PATCH] update for gpio

---
 arch/arm/mach-rk2818/Kconfig        |  4 +++
 arch/arm/mach-rk2818/board-midsdk.c | 53 +++++++++++++++++++++++++++++
 2 files changed, 57 insertions(+)

diff --git a/arch/arm/mach-rk2818/Kconfig b/arch/arm/mach-rk2818/Kconfig
index e12193100199..bd9c54ee6dcb 100644
--- a/arch/arm/mach-rk2818/Kconfig
+++ b/arch/arm/mach-rk2818/Kconfig
@@ -10,4 +10,8 @@ config MACH_RK2818MID
 	help
 	  Support for the ROCKCHIP Board For Rk2818 Mid.
 
+config RK28_GPIO_IRQ
+	int
+	default 16 if ARCH_RK2818	
+	default 0	
 endif
diff --git a/arch/arm/mach-rk2818/board-midsdk.c b/arch/arm/mach-rk2818/board-midsdk.c
index 15b42ae5a6b3..97d89ccc18cc 100644
--- a/arch/arm/mach-rk2818/board-midsdk.c
+++ b/arch/arm/mach-rk2818/board-midsdk.c
@@ -30,11 +30,61 @@
 #include <mach/board.h>
 #include <mach/rk2818_iomap.h>
 #include <mach/iomux.h>
+#include <mach/gpio.h>
 
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
 
 #include "devices.h"
+
+
+/* --------------------------------------------------------------------
+ *  ÉùÃ÷ÁËrk2818_gpioBankÊý×飬²¢¶¨ÒåÁËGPIO¼Ä´æÆ÷×éIDºÍ¼Ä´æÆ÷»ùµØÖ·¡£
+ * -------------------------------------------------------------------- */
+
+static struct rk2818_gpio_bank rk2818_gpioBank[] = {
+		{
+		.id		= AT2818_ID_PIOA,
+		.offset		= RK2818_GPIO0_BASE,
+		.clock		= NULL,
+	}, 
+		{
+		.id		= AT2818_ID_PIOB,
+		.offset		= RK2818_GPIO0_BASE,
+		.clock		= NULL,
+	}, 
+		{
+		.id		= AT2818_ID_PIOC,
+		.offset		= RK2818_GPIO0_BASE,
+		.clock		= NULL,
+	}, 
+		{
+		.id		= AT2818_ID_PIOD,
+		.offset		= RK2818_GPIO0_BASE,
+		.clock		= NULL,
+	},
+		{
+		.id		= AT2818_ID_PIOE,
+		.offset		= RK2818_GPIO1_BASE,
+		.clock		= NULL,
+	},
+		{
+		.id		= AT2818_ID_PIOF,
+		.offset		= RK2818_GPIO1_BASE,
+		.clock		= NULL,
+	},
+		{
+		.id		= AT2818_ID_PIOG,
+		.offset		= RK2818_GPIO1_BASE,
+		.clock		= NULL,
+	},
+		{
+		.id		= AT2818_ID_PIOH,
+		.offset		= RK2818_GPIO1_BASE,
+		.clock		= NULL,
+	}
+};
+
 //IOÓ³É䷽ʽÃèÊö £¬Ã¿¸öΪһ¶ÎÏßÐÔÁ¬ÐøÓ³Éä
 static struct map_desc rk2818_io_desc[] __initdata = {
 
@@ -98,11 +148,14 @@ extern struct sys_timer rk2818_timer;
 static void __init machine_rk2818_init_irq(void)
 {
 	rk2818_init_irq();
+	rk2818_gpio_init(rk2818_gpioBank, 8);
+	rk2818_gpio_irq_setup();
 }
 
 static void __init machine_rk2818_board_init(void)
 {
 	platform_add_devices(devices, ARRAY_SIZE(devices));
+
 }
 
 static void __init machine_rk2818_mapio(void)
-- 
2.34.1