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| author | Arnaud Patard (Rtp) <arnaud.patard@rtp-net.org> | 2010-10-27 14:40:51 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-11-24 09:57:11 +0100 |
| commit | 9d2c0ef76f429c038de27e1b734d65a67dbc8088 (patch) | |
| tree | 52877637a6d7120a5624f91b2f13954fc9270a36 /arch/arm/mach-mx5 | |
| parent | 82df68ad26c1cb4c31e1a2750c0020038dd77cc6 (diff) | |
| download | linux-9d2c0ef76f429c038de27e1b734d65a67dbc8088.tar.bz2 | |
efikamx: add leds support
The efika mx a 3 leds (1 blue, 1 red, 1 green) connected on GPIOS 3 13/14/15.
Also, some special care is done for default trigger of blue led for mmc as
the mmc host used is different between hw revisions
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx5')
| -rw-r--r-- | arch/arm/mach-mx5/board-mx51_efikamx.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/arch/arm/mach-mx5/board-mx51_efikamx.c b/arch/arm/mach-mx5/board-mx51_efikamx.c index 842d6bff6e06..386bf2af6c04 100644 --- a/arch/arm/mach-mx5/board-mx51_efikamx.c +++ b/arch/arm/mach-mx5/board-mx51_efikamx.c @@ -18,6 +18,7 @@ #include <linux/platform_device.h> #include <linux/i2c.h> #include <linux/gpio.h> +#include <linux/leds.h> #include <linux/delay.h> #include <linux/io.h> #include <linux/fsl_devices.h> @@ -43,6 +44,10 @@ #define EFIKAMX_PCBID1 (2*32 + 17) #define EFIKAMX_PCBID2 (2*32 + 11) +#define EFIKAMX_BLUE_LED (2*32 + 13) +#define EFIKAMX_GREEN_LED (2*32 + 14) +#define EFIKAMX_RED_LED (2*32 + 15) + /* the pci ids pin have pull up. they're driven low according to board id */ #define MX51_PAD_PCBID0 IOMUX_PAD(0x518, 0x130, 3, 0x0, 0, PAD_CTL_PUS_100K_UP) #define MX51_PAD_PCBID1 IOMUX_PAD(0x51C, 0x134, 3, 0x0, 0, PAD_CTL_PUS_100K_UP) @@ -80,6 +85,11 @@ static iomux_v3_cfg_t mx51efikamx_pads[] = { MX51_PAD_GPIO_1_1__ESDHC1_WP, MX51_PAD_GPIO_1_7__ESDHC2_WP, MX51_PAD_GPIO_1_8__ESDHC2_CD, + + /* leds */ + MX51_PAD_CSI1_D9__GPIO_3_13, + MX51_PAD_CSI1_VSYNC__GPIO_3_14, + MX51_PAD_CSI1_HSYNC__GPIO_3_15, }; /* Serial ports */ @@ -178,6 +188,37 @@ static void __init mx51_efikamx_board_id(void) } } +static struct gpio_led mx51_efikamx_leds[] = { + { + .name = "efikamx:green", + .default_trigger = "default-on", + .gpio = EFIKAMX_GREEN_LED, + }, + { + .name = "efikamx:red", + .default_trigger = "ide-disk", + .gpio = EFIKAMX_RED_LED, + }, + { + .name = "efikamx:blue", + .default_trigger = "mmc0", + .gpio = EFIKAMX_BLUE_LED, + }, +}; + +static struct gpio_led_platform_data mx51_efikamx_leds_data = { + .leds = mx51_efikamx_leds, + .num_leds = ARRAY_SIZE(mx51_efikamx_leds), +}; + +static struct platform_device mx51_efikamx_leds_device = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &mx51_efikamx_leds_data, + }, +}; + static void __init mxc_board_init(void) { mxc_iomux_v3_setup_multiple_pads(mx51efikamx_pads, @@ -188,8 +229,12 @@ static void __init mxc_board_init(void) imx51_add_esdhc(0, NULL); /* on < 1.2 boards both SD controllers are used */ - if (system_rev < 0x12) + if (system_rev < 0x12) { imx51_add_esdhc(1, NULL); + mx51_efikamx_leds[2].default_trigger = "mmc1"; + } + + platform_device_register(&mx51_efikamx_leds_device); } static void __init mx51_efikamx_timer_init(void) |