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gpio-led: add system led

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PD#163340: gpio-led: add system led

1.Add CONFIG_LEDS_TRIGGER_CPU=y in meson64_defconfig
2.Turns on green light when booting and resume.
3.Turns off green light,turns on red light when suspend and shutdown

Change-Id: I237745e87737682364ab946abd2253025ac89984
Signed-off-by: bichao.zheng <bichao.zheng@amlogic.com>
This commit is contained in:
bichao.zheng
2018-04-12 10:56:45 +08:00
committed by Yixun Lan
parent ccd120c45a
commit 38bdd4308e
2 changed files with 9 additions and 0 deletions
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8
arch/arm64/boot/dts/amlogic/g12a_s905x2_u211.dts
View File

@@ -164,6 +164,14 @@
default-state = "off";
linux,default-trigger = "rc_feedback";
};
sys_led {
label="sys_led";
gpios=<&gpio_ao GPIOAO_11 GPIO_ACTIVE_LOW>;
default-state ="on";
retain-state-suspended;
linux,default-trigger="cpu0";
};
};
cvbsout {

1
arch/arm64/configs/meson64_defconfig
View File

@@ -495,6 +495,7 @@ CONFIG_LEDS_TRIGGER_TIMER=y
CONFIG_LEDS_TRIGGER_ONESHOT=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
CONFIG_LEDS_TRIGGER_BACKLIGHT=y
CONFIG_LEDS_TRIGGER_CPU=y
CONFIG_LEDS_TRIGGER_GPIO=y
CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
CONFIG_LEDS_TRIGGER_TRANSIENT=y