ARM: mxs/mx28evk: add leds-gpio device for heartbeat
It adds LED2 on mx28evk board as heartbeat trigger for diagnostic purpose. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Родитель
95b7445946
Коммит
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@ -41,6 +41,7 @@ config MACH_MX23EVK
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config MACH_MX28EVK
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config MACH_MX28EVK
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bool "Support MX28EVK Platform"
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bool "Support MX28EVK Platform"
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select SOC_IMX28
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select SOC_IMX28
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select LEDS_GPIO_REGISTER
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select MXS_HAVE_AMBA_DUART
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select MXS_HAVE_AMBA_DUART
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select MXS_HAVE_PLATFORM_AUART
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select MXS_HAVE_PLATFORM_AUART
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select MXS_HAVE_PLATFORM_FEC
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select MXS_HAVE_PLATFORM_FEC
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@ -15,6 +15,7 @@
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#include <linux/delay.h>
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#include <linux/delay.h>
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#include <linux/platform_device.h>
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#include <linux/platform_device.h>
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#include <linux/gpio.h>
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#include <linux/gpio.h>
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#include <linux/leds.h>
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#include <linux/irq.h>
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#include <linux/irq.h>
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#include <linux/clk.h>
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#include <linux/clk.h>
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@ -29,6 +30,7 @@
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#define MX28EVK_FLEXCAN_SWITCH MXS_GPIO_NR(2, 13)
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#define MX28EVK_FLEXCAN_SWITCH MXS_GPIO_NR(2, 13)
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#define MX28EVK_FEC_PHY_POWER MXS_GPIO_NR(2, 15)
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#define MX28EVK_FEC_PHY_POWER MXS_GPIO_NR(2, 15)
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#define MX28EVK_GPIO_LED MXS_GPIO_NR(3, 5)
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#define MX28EVK_BL_ENABLE MXS_GPIO_NR(3, 18)
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#define MX28EVK_BL_ENABLE MXS_GPIO_NR(3, 18)
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#define MX28EVK_LCD_ENABLE MXS_GPIO_NR(3, 30)
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#define MX28EVK_LCD_ENABLE MXS_GPIO_NR(3, 30)
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#define MX28EVK_FEC_PHY_RESET MXS_GPIO_NR(4, 13)
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#define MX28EVK_FEC_PHY_RESET MXS_GPIO_NR(4, 13)
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@ -178,6 +180,23 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = {
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/* slot power enable */
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/* slot power enable */
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MX28_PAD_PWM4__GPIO_3_29 |
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MX28_PAD_PWM4__GPIO_3_29 |
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(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
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(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
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/* led */
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MX28_PAD_AUART1_TX__GPIO_3_5 | MXS_PAD_CTRL,
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};
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/* led */
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static const struct gpio_led mx28evk_leds[] __initconst = {
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{
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.name = "GPIO-LED",
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.default_trigger = "heartbeat",
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.gpio = MX28EVK_GPIO_LED,
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},
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};
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static const struct gpio_led_platform_data mx28evk_led_data __initconst = {
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.leds = mx28evk_leds,
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.num_leds = ARRAY_SIZE(mx28evk_leds),
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};
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};
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/* fec */
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/* fec */
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@ -385,6 +404,8 @@ static void __init mx28evk_init(void)
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if (ret)
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if (ret)
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pr_warn("failed to request gpio mmc1-slot-power: %d\n", ret);
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pr_warn("failed to request gpio mmc1-slot-power: %d\n", ret);
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mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
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mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
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gpio_led_register_device(0, &mx28evk_led_data);
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}
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}
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static void __init mx28evk_timer_init(void)
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static void __init mx28evk_timer_init(void)
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