[PATCH v2 2/2] ARM: mx5/mx53_evk.c: Add LED support
Fabio Estevam
fabio.estevam at freescale.com
Mon Apr 4 13:06:46 EDT 2011
On the mx53evk board there is an LED connected to GPIO7_7.
Add support for it.
Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
-Changes since v1:
Use imx_add_gpio_leds to register gpio_leds
arch/arm/mach-mx5/Kconfig | 1 +
arch/arm/mach-mx5/board-mx53_evk.c | 18 ++++++++++++++++++
2 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 159340d..74b4e92 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -139,6 +139,7 @@ config MACH_MX51_EFIKASB
config MACH_MX53_EVK
bool "Support MX53 EVK platforms"
select SOC_IMX53
+ select IMX_HAVE_PLATFORM_GPIO_LEDS
select IMX_HAVE_PLATFORM_IMX2_WDT
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_IMX_I2C
diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c
index 2af3f43..6ffeb42 100644
--- a/arch/arm/mach-mx5/board-mx53_evk.c
+++ b/arch/arm/mach-mx5/board-mx53_evk.c
@@ -37,6 +37,7 @@
#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"
@@ -60,6 +61,8 @@ 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 = {
@@ -117,6 +120,20 @@ static const struct spi_imx_master mx53_evk_spi_data __initconst = {
.num_chipselect = ARRAY_SIZE(mx53_evk_spi_cs),
};
+static struct gpio_led mx53_evk_leds[] = {
+ {
+ .name = "led-green",
+ .default_trigger = "heartbeat",
+ .active_low = 0,
+ .gpio = MX53EVK_LED,
+ },
+};
+
+static struct gpio_led_platform_data mx53_evk_leds_data = {
+ .leds = mx53_evk_leds,
+ .num_leds = ARRAY_SIZE(mx53_evk_leds),
+};
+
static void __init mx53_evk_board_init(void)
{
mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
@@ -135,6 +152,7 @@ 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);
+ imx_add_gpio_leds(&mx53_evk_leds_data);
}
static void __init mx53_evk_timer_init(void)
--
1.6.0.4
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