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>

diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 79765122b6ff7991de2d2742b6ce12169ee1b36a..3c9845552ca7b8e64b30a09ed7045a8c90ddbe50 100644 (file)
--- 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 f87d571882c64df8419e7cd3ce6bff9099bab428..787cde86bc3f327fc364dfd8c7586ec0446ee2d5 100644 (file)
--- 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);
@@ -133,6 +149,7 @@ 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)