ARM: mx5/mx53_evk: Add support for LED

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

2 files changed, 18 insertions, 0 deletions

diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 79765122b6ff..3c9845552ca7 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -180,6 +180,7 @@ config MACH_MX53_EVK
         select IMX_HAVE_PLATFORM_IMX_I2C
         select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
         select IMX_HAVE_PLATFORM_SPI_IMX
+        select LEDS_GPIO_REGISTER
         help
           Include support for MX53 EVK platform. This includes specific
           configurations for the board and its peripherals.
diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c
index 0d9218a6e2d2..1b417b06b736 100644
--- a/arch/arm/mach-mx5/board-mx53_evk.c
+++ b/arch/arm/mach-mx5/board-mx53_evk.c
@@ -35,6 +35,7 @@
 #define MX53_EVK_FEC_PHY_RST    IMX_GPIO_NR(7, 6)
 #define EVK_ECSPI1_CS0          IMX_GPIO_NR(2, 30)
 #define EVK_ECSPI1_CS1          IMX_GPIO_NR(3, 19)
+#define MX53EVK_LED             IMX_GPIO_NR(7, 7)
 
 #include "crm_regs.h"
 #include "devices-imx53.h"
@@ -58,12 +59,27 @@ static iomux_v3_cfg_t mx53_evk_pads[] = {
         /* ecspi chip select lines */
         MX53_PAD_EIM_EB2__GPIO2_30,
         MX53_PAD_EIM_D19__GPIO3_19,
+        /* LED */
+        MX53_PAD_PATA_DA_1__GPIO7_7,
 };
 
 static const struct imxuart_platform_data mx53_evk_uart_pdata __initconst = {
         .flags = IMXUART_HAVE_RTSCTS,
 };
 
+static const struct gpio_led mx53evk_leds[] __initconst = {
+        {
+                .name                   = "green",
+                .default_trigger        = "heartbeat",
+                .gpio                   = MX53EVK_LED,
+        },
+};
+
+static const struct gpio_led_platform_data mx53evk_leds_data __initconst = {
+        .leds           = mx53evk_leds,
+        .num_leds       = ARRAY_SIZE(mx53evk_leds),
+};
+
 static inline void mx53_evk_init_uart(void)
 {
         imx53_add_imx_uart(0, NULL);
@@ -135,6 +151,7 @@ static void __init mx53_evk_board_init(void)
                 ARRAY_SIZE(mx53_evk_spi_board_info));
         imx53_add_ecspi(0, &mx53_evk_spi_data);
         imx53_add_imx2_wdt(0, NULL);
+        gpio_led_register_device(-1, &mx53evk_leds_data);
 }
 
 static void __init mx53_evk_timer_init(void)