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authorDaniel Mack <daniel@caiaq.de>2009-11-19 12:02:10 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2009-11-19 17:11:02 +0100
commit81057f328618181f87b25571dd9f623c86fe960e (patch)
treebce8c7c075e9fe56e6c63f82722d27dc7024db04 /arch/arm/mach-mx3
parenta050c8e9b70b90a3e3b808a12d985a31e19c2f95 (diff)
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ARM: MX3: add support for GPIO LEDs on litekit db
The names are chosen to match the silkscreen. Signed-off-by: Daniel Mack <daniel@caiaq.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx3')
-rw-r--r--arch/arm/mach-mx3/mx31lite-db.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mx31lite-db.c b/arch/arm/mach-mx3/mx31lite-db.c
index f60cf0813ce..694611d6b05 100644
--- a/arch/arm/mach-mx3/mx31lite-db.c
+++ b/arch/arm/mach-mx3/mx31lite-db.c
@@ -29,6 +29,8 @@
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/platform_device.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -153,6 +155,36 @@ static struct spi_imx_master spi0_pdata = {
.num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
};
+/* GPIO LEDs */
+
+static struct gpio_led litekit_leds[] = {
+ {
+ .name = "GPIO0",
+ .gpio = IOMUX_TO_GPIO(MX31_PIN_COMPARE),
+ .active_low = 1,
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ },
+ {
+ .name = "GPIO1",
+ .gpio = IOMUX_TO_GPIO(MX31_PIN_CAPTURE),
+ .active_low = 1,
+ .default_state = LEDS_GPIO_DEFSTATE_OFF,
+ }
+};
+
+static struct gpio_led_platform_data litekit_led_platform_data = {
+ .leds = litekit_leds,
+ .num_leds = ARRAY_SIZE(litekit_leds),
+};
+
+static struct platform_device litekit_led_device = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &litekit_led_platform_data,
+ },
+};
+
void __init mx31lite_db_init(void)
{
mxc_iomux_setup_multiple_pins(litekit_db_board_pins,
@@ -161,5 +193,6 @@ void __init mx31lite_db_init(void)
mxc_register_device(&mxc_uart_device0, &uart_pdata);
mxc_register_device(&mxcsdhc_device0, &mmc_pdata);
mxc_register_device(&mxc_spi_device0, &spi0_pdata);
+ platform_device_register(&litekit_led_device);
}