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>

diff --git a/arch/arm/mach-mx6/board-mx6q_sabresd.c b/arch/arm/mach-mx6/board-mx6q_sabresd.c
index a4b96cdacea8e15e5cbafd4bd95f327e6c98e5c9..abb79eb9fe3de4303dce1bda09357d275df04f12 100644 (file)
--- 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 8ccb3423424ff97c6268e0d1b268b85f43816014..af3df8b0109235f25f41478c2e970aa7ccf6f79f 100644 (file)
--- 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  */