From ff2a5e434bd50dc86855b24f86ac0259176b5981 Mon Sep 17 00:00:00 2001
From: Lin Fuzhen <fuzhen.lin@freescale.com>
Date: Wed, 25 Apr 2012 13:30:50 +0800
Subject: [PATCH] ENGR00178223-2 gpio-led: Add LED-GPIO control and trigger for
 sabresd

Add led-gpio control and trigger for sabresd

Signed-off-by: Lin Fuzhen <fuzhen.lin@freescale.com>
---
 arch/arm/mach-mx6/board-mx6q_sabresd.c | 49 ++++++++++++++++++++++++++
 arch/arm/mach-mx6/board-mx6q_sabresd.h |  3 +-
 2 files changed, 51 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-mx6/board-mx6q_sabresd.c b/arch/arm/mach-mx6/board-mx6q_sabresd.c
index a4b96cdacea8..abb79eb9fe3d 100644
--- a/arch/arm/mach-mx6/board-mx6q_sabresd.c
+++ b/arch/arm/mach-mx6/board-mx6q_sabresd.c
@@ -191,6 +191,8 @@
 #define SABRESD_EPDC_PMIC_WAKE	IMX_GPIO_NR(3, 20)
 #define SABRESD_EPDC_PMIC_INT	IMX_GPIO_NR(2, 25)
 #define SABRESD_EPDC_VCOM	IMX_GPIO_NR(3, 17)
+#define SABRESD_CHARGE_NOW	IMX_GPIO_NR(1, 2)
+#define SABRESD_CHARGE_DONE	IMX_GPIO_NR(1, 1)
 
 static struct clk *sata_clk;
 static int mma8451_position = 3;
@@ -1370,6 +1372,51 @@ static void gps_power_on(bool on)
 	gpio_free(SABRESD_GPS_EN);
 
 }
+
+#if defined(CONFIG_LEDS_TRIGGER) || defined(CONFIG_LEDS_GPIO)
+
+#define GPIO_LED(gpio_led, name_led, act_low, state_suspend, trigger)	\
+{									\
+	.gpio			= gpio_led,				\
+	.name			= name_led,				\
+	.active_low		= act_low,				\
+	.retain_state_suspended = state_suspend,			\
+	.default_state		= 0,					\
+	.default_trigger	= "max8903-"trigger,		\
+}
+
+/* use to show a external power source is connected
+ * GPIO_LED(SABRESD_CHARGE_DONE, "chg_detect", 0, 1, "ac-online"),
+ */
+static struct gpio_led imx6q_gpio_leds[] = {
+	GPIO_LED(SABRESD_CHARGE_NOW, "chg_now_led", 0, 1,
+		"charger-charging"),
+	GPIO_LED(SABRESD_CHARGE_DONE, "chg_done_led", 0, 1,
+			"charger-full"),
+};
+
+static struct gpio_led_platform_data imx6q_gpio_leds_data = {
+	.leds		= imx6q_gpio_leds,
+	.num_leds	= ARRAY_SIZE(imx6q_gpio_leds),
+};
+
+static struct platform_device imx6q_gpio_led_device = {
+	.name		= "leds-gpio",
+	.id		= -1,
+	.num_resources  = 0,
+	.dev		= {
+		.platform_data = &imx6q_gpio_leds_data,
+	}
+};
+
+static void __init imx6q_add_device_gpio_leds(void)
+{
+	platform_device_register(&imx6q_gpio_led_device);
+}
+#else
+static void __init imx6q_add_device_gpio_leds(void) {}
+#endif
+
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 #define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake)	\
 {								\
@@ -1555,6 +1602,8 @@ static void __init mx6_sabresd_board_init(void)
 		strcpy(mxc_i2c0_board_info[0].type, "wm8962");
 		mxc_i2c0_board_info[0].platform_data = &wm8962_config_data;
 	}
+	imx6q_add_device_gpio_leds();
+
 	imx6q_add_imx_i2c(0, &mx6q_sabresd_i2c_data);
 	imx6q_add_imx_i2c(1, &mx6q_sabresd_i2c_data);
 	imx6q_add_imx_i2c(2, &mx6q_sabresd_i2c_data);
diff --git a/arch/arm/mach-mx6/board-mx6q_sabresd.h b/arch/arm/mach-mx6/board-mx6q_sabresd.h
index 8ccb3423424f..af3df8b01092 100644
--- a/arch/arm/mach-mx6/board-mx6q_sabresd.h
+++ b/arch/arm/mach-mx6/board-mx6q_sabresd.h
@@ -30,7 +30,8 @@ static iomux_v3_cfg_t mx6q_sabresd_pads[] = {
 	/* CAN1  */
 	MX6Q_PAD_KEY_ROW2__CAN1_RXCAN,
 	/* MX6Q_PAD_KEY_COL2__CAN1_TXCAN, */
-	MX6Q_PAD_GPIO_2__GPIO_1_2,		/* STNDBY */
+	MX6Q_PAD_GPIO_1__GPIO_1_1,		/* user defiend green led */
+	MX6Q_PAD_GPIO_2__GPIO_1_2,		/* user defined red led */
 	MX6Q_PAD_GPIO_7__GPIO_1_7,		/* NERR */
 
 	/* CCM  */
-- 
2.39.5