diff options
| author | Robin Gong <b38343@freescale.com> | 2014-01-20 03:41:26 -0800 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@freescale.com> | 2015-01-15 21:17:13 -0600 |
| commit | 048503ef76691955d80f1f319811aeb31e19a067 (patch) | |
| tree | bbdec7770846950bc7be376a96bd9f86889b7ba3 /Documentation | |
| parent | bd1fcae1ce13d6e442097aded780b98502a76c0d (diff) | |
leds: leds-gpio: add retain-state-suspended property
Some gpio-leds need retain the state even in suspend, such as charger led.
But this property missed in devicetree, add it.
(cooloney@gmail.com: fold DT binding updates into this patch)
Signed-off-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
(cherry picked from commit 4270a78d23eece0b25a13bff1e71d114ec547de4)
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/leds/leds-gpio.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/leds/leds-gpio.txt b/Documentation/devicetree/bindings/leds/leds-gpio.txt index df1b3080f6b8..f77148f372ea 100644 --- a/Documentation/devicetree/bindings/leds/leds-gpio.txt +++ b/Documentation/devicetree/bindings/leds/leds-gpio.txt @@ -21,6 +21,8 @@ LED sub-node properties: on). The "keep" setting will keep the LED at whatever its current state is, without producing a glitch. The default is off if this property is not present. +- retain-state-suspended: (optional) The suspend state can be retained.Such + as charge-led gpio. Examples: @@ -50,3 +52,13 @@ run-control { default-state = "on"; }; }; + +leds { + compatible = "gpio-leds"; + + charger-led { + gpios = <&gpio1 2 0>; + linux,default-trigger = "max8903-charger-charging"; + retain-state-suspended; + }; +}; |