* [PATCH] ARM: mx5/mx53_evk: Add LED support
@ 2011-03-25 15:53 Fabio Estevam
2011-04-04 13:24 ` Uwe Kleine-König
0 siblings, 1 reply; 2+ messages in thread
From: Fabio Estevam @ 2011-03-25 15:53 UTC (permalink / raw)
To: linux-arm-kernel
On the mx53evk board there is an LED connected to GPIO7_7.
Add support for it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
arch/arm/mach-mx5/board-mx53_evk.c | 31 +++++++++++++++++++++++++++++++
1 files changed, 31 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c
index 7b5735c..f2c5151 100644
--- a/arch/arm/mach-mx5/board-mx53_evk.c
+++ b/arch/arm/mach-mx5/board-mx53_evk.c
@@ -24,6 +24,7 @@
#include <linux/fec.h>
#include <linux/delay.h>
#include <linux/gpio.h>
+#include <linux/leds.h>
#include <linux/spi/flash.h>
#include <linux/spi/spi.h>
#include <mach/common.h>
@@ -37,6 +38,7 @@
#define SMD_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 +62,8 @@ 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 = {
@@ -118,6 +122,32 @@ 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 struct platform_device mx53_evk_leds_device = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &mx53_evk_leds_data,
+ },
+};
+
+static struct platform_device *platform_devices[] __initdata = {
+ &mx53_evk_leds_device,
+};
+
static void __init mx53_evk_board_init(void)
{
mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
@@ -136,6 +166,7 @@ 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);
+ platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
}
static void __init mx53_evk_timer_init(void)
--
1.6.0.4
^ permalink raw reply related [flat|nested] 2+ messages in thread* [PATCH] ARM: mx5/mx53_evk: Add LED support
2011-03-25 15:53 [PATCH] ARM: mx5/mx53_evk: Add LED support Fabio Estevam
@ 2011-04-04 13:24 ` Uwe Kleine-König
0 siblings, 0 replies; 2+ messages in thread
From: Uwe Kleine-König @ 2011-04-04 13:24 UTC (permalink / raw)
To: linux-arm-kernel
Hello Fabio,
On Fri, Mar 25, 2011 at 12:53:35PM -0300, Fabio Estevam wrote:
> On the mx53evk board there is an LED connected to GPIO7_7.
>
> Add support for it.
>
> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
> ---
> arch/arm/mach-mx5/board-mx53_evk.c | 31 +++++++++++++++++++++++++++++++
> 1 files changed, 31 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c
> index 7b5735c..f2c5151 100644
> --- a/arch/arm/mach-mx5/board-mx53_evk.c
> +++ b/arch/arm/mach-mx5/board-mx53_evk.c
> @@ -24,6 +24,7 @@
> #include <linux/fec.h>
> #include <linux/delay.h>
> #include <linux/gpio.h>
> +#include <linux/leds.h>
> #include <linux/spi/flash.h>
> #include <linux/spi/spi.h>
> #include <mach/common.h>
> @@ -37,6 +38,7 @@
> #define SMD_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 +62,8 @@ 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 = {
> @@ -118,6 +122,32 @@ 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 struct platform_device mx53_evk_leds_device = {
> + .name = "leds-gpio",
> + .id = -1,
> + .dev = {
> + .platform_data = &mx53_evk_leds_data,
> + },
> +};
> +
> +static struct platform_device *platform_devices[] __initdata = {
> + &mx53_evk_leds_device,
> +};
> +
> static void __init mx53_evk_board_init(void)
> {
> mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
> @@ -136,6 +166,7 @@ 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);
> + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
> }
>
> static void __init mx53_evk_timer_init(void)
Can you please instead add a function imx_add_leds_gpio?
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-K?nig |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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2011-03-25 15:53 [PATCH] ARM: mx5/mx53_evk: Add LED support Fabio Estevam
2011-04-04 13:24 ` Uwe Kleine-König
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