From: 张晴 <zhangqing@rock-chips.com>
Date: Fri, 30 Mar 2012 02:13:14 +0000 (+0800)
Subject: rk30:sdk:add wm8326 power off,and modify led init state
X-Git-Tag: firefly_0821_release~9557^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=882b86ce89d2afcbc1f166c7ff222db6b527dbcd;p=firefly-linux-kernel-4.4.55.git

rk30:sdk:add wm8326 power off,and modify led init state
---

diff --git a/arch/arm/mach-rk30/board-rk30-sdk-wm8326.c b/arch/arm/mach-rk30/board-rk30-sdk-wm8326.c
index f3ceba9536a2..d33fa4ea9a55 100755
--- a/arch/arm/mach-rk30/board-rk30-sdk-wm8326.c
+++ b/arch/arm/mach-rk30/board-rk30-sdk-wm8326.c
@@ -67,13 +67,17 @@ static struct rk29_gpio_expander_info wm831x_gpio_settinginfo[] = {
 
 #define UNLOCK_SECURITY_KEY     ~(0x1<<5)
 #define LOCK_SECURITY_KEY       0x00
+#define PMU_POWER_SLEEP RK30_PIN6_PB1
+static struct wm831x *Wm831x;
 
 static int wm831x_pre_init(struct wm831x *parm)
 {
 	int ret;
-
+	Wm831x = parm;
 //	printk("%s\n", __func__);
-	//ILIM = 900ma
+	gpio_request(PMU_POWER_SLEEP, "NULL");
+	gpio_direction_output(PMU_POWER_SLEEP, GPIO_HIGH);
+	
 	ret = wm831x_reg_read(parm, WM831X_POWER_STATE) & 0xffff;
 	wm831x_reg_write(parm, WM831X_POWER_STATE, (ret & 0xfff8) | 0x04);
 
@@ -91,6 +95,9 @@ static int wm831x_pre_init(struct wm831x *parm)
 
 	wm831x_set_bits(parm,WM831X_LDO10_CONTROL ,0x0040,0x0040);// set ldo10 in switch mode
 
+	wm831x_set_bits(parm,WM831X_STATUS_LED_1 ,0xc300,0xc100);// set led1 on(in manual mode)
+	wm831x_set_bits(parm,WM831X_STATUS_LED_2 ,0xc300,0xc000);//set led2 off(in manual mode)
+
 	wm831x_reg_write(parm, WM831X_SECURITY_KEY, LOCK_SECURITY_KEY);	// lock security key
 
 	return 0;
@@ -135,7 +142,7 @@ int wm831x_post_init(struct wm831x *Wm831x)
 
 	dcdc = regulator_get(NULL, "vdd_cpu");	// vdd_arm
 	regulator_set_voltage(dcdc, 1100000, 1100000);
-	regulator_set_suspend_voltage(dcdc, 1000000);
+	regulator_set_suspend_voltage(dcdc, 1100000);
 	regulator_enable(dcdc);
 	printk("%s set dcdc2 vdd_cpu(vdd_arm)=%dmV end\n", __func__, regulator_get_voltage(dcdc));
 	regulator_put(dcdc);
@@ -610,7 +617,7 @@ static int wm831x_init_pin_type(struct wm831x *wm831x)
 			wm831x_set_bits(wm831x,
 					(WM831X_GPIO1_CONTROL + i),
 					WM831X_GPN_PULL_MASK, 1 << WM831X_GPN_PULL_SHIFT);	//pull down
-			if (i == 0) {
+			if (i == 0 ) {
 				wm831x_set_bits(wm831x,
 						WM831X_GPIO1_CONTROL + i,
 						WM831X_GPN_PWR_DOM_MASK,
@@ -622,6 +629,7 @@ static int wm831x_init_pin_type(struct wm831x *wm831x)
 						WM831X_GPN_PWR_DOM_MASK,
 						~WM831X_GPN_PWR_DOM);
 			}
+					
 		} else {
 			wm831x_set_bits(wm831x,
 					WM831X_GPIO1_CONTROL + i,
diff --git a/arch/arm/mach-rk30/board-rk30-sdk.c b/arch/arm/mach-rk30/board-rk30-sdk.c
index 22be0cae5552..a7d29273fd0c 100755
--- a/arch/arm/mach-rk30/board-rk30-sdk.c
+++ b/arch/arm/mach-rk30/board-rk30-sdk.c
@@ -1066,12 +1066,23 @@ static void __init rk30_i2c_register_board_info(void)
 //end of i2c
 
 #define POWER_ON_PIN RK30_PIN6_PB0   //power_hold
+static void rk30_pm_power_off(void)
+{
+	printk(KERN_ERR "rk30_pm_power_off start...\n");
+	gpio_direction_output(POWER_ON_PIN, GPIO_LOW);
+#if defined(CONFIG_MFD_WM831X)
+	wm831x_device_shutdown(Wm831x);//wm8326 shutdown
+#endif
+	while (1);
+}
 
 static void __init machine_rk30_board_init(void)
 {
 	gpio_request(POWER_ON_PIN, "poweronpin");
 	gpio_direction_output(POWER_ON_PIN, GPIO_HIGH);
-
+	
+	pm_power_off = rk30_pm_power_off;
+	
 	rk30_i2c_register_board_info();
 	spi_register_board_info(board_spi_devices, ARRAY_SIZE(board_spi_devices));
 	platform_add_devices(devices, ARRAY_SIZE(devices));