From: yxj <yxj@rock-chips.com>
Date: Wed, 3 Apr 2013 10:10:42 +0000 (+0800)
Subject: rk3188 tb board:add mfd rk616
X-Git-Tag: firefly_0821_release~7296
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=113f008a3c966c8bcdac39b8ec4b4be7477196d8;p=firefly-linux-kernel-4.4.55.git

rk3188 tb board:add mfd rk616
---

diff --git a/arch/arm/mach-rk30/board-rk3168-tb.c b/arch/arm/mach-rk30/board-rk3168-tb.c
index 0b9d9b314b53..f207a4b93cf0 100755
--- a/arch/arm/mach-rk30/board-rk3168-tb.c
+++ b/arch/arm/mach-rk30/board-rk3168-tb.c
@@ -56,6 +56,11 @@
 #include <linux/mfd/rk610_core.h>
 #endif
 
+#if defined(CONFIG_MFD_RK616)
+#include <linux/mfd/rk616.h>
+#endif
+
+
 #if defined(CONFIG_RK_HDMI)
 	#include "../../../drivers/video/rockchip/hdmi/rk_hdmi.h"
 #endif
@@ -689,6 +694,55 @@ static struct rk610_ctl_platform_data rk610_ctl_pdata = {
 };
 #endif
 
+#if defined(CONFIG_MFD_RK616)
+#define RK616_RST_PIN 			RK30_PIN3_PB2
+#define RK616_PWREN_PIN			RK30_PIN0_PA3
+#define RK616_SCL_RATE			(100*1000)   //i2c scl rate
+static int rk616_power_on_init(void)
+{
+	int ret;
+
+	if(RK616_PWREN_PIN != INVALID_GPIO)
+	{
+		ret = gpio_request(RK616_PWREN_PIN, "rk616 pwren");
+		if (ret)
+		{
+			printk(KERN_ERR "rk616 pwren gpio request fail\n");
+		}
+		else 
+		{
+			gpio_direction_output(RK616_PWREN_PIN,GPIO_HIGH);
+		}
+	}
+	
+	if(RK616_RST_PIN != INVALID_GPIO)
+	{
+		ret = gpio_request(RK616_RST_PIN, "rk616 reset");
+		if (ret)
+		{
+			printk(KERN_ERR "rk616 reset gpio request fail\n");
+		}
+		else 
+		{
+			gpio_direction_output(RK616_RST_PIN, GPIO_HIGH);
+			msleep(100);
+			gpio_direction_output(RK616_RST_PIN, GPIO_LOW);
+			msleep(100);
+	    		gpio_set_value(RK616_RST_PIN, GPIO_HIGH);
+		}
+	}
+
+	return 0;
+	
+}
+
+
+static struct rk616_platform_data rk616_pdata = {
+	.power_init = rk616_power_on_init,
+	.scl_rate   = RK616_SCL_RATE,
+};
+#endif
+
 #ifdef CONFIG_SND_SOC_RK610
 static int rk610_codec_io_init(void)
 {
@@ -2052,6 +2106,15 @@ static struct i2c_board_info __initdata i2c3_info[] = {
 
 #ifdef CONFIG_I2C4_RK30
 static struct i2c_board_info __initdata i2c4_info[] = {
+#if defined (CONFIG_MFD_RK616)
+		{
+			.type	       = "rk616",
+			.addr	       = 0x50,
+			.flags	       = 0,
+			.platform_data = &rk616_pdata,
+		},
+#endif
+
 };
 #endif