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authorRobin Gong <b38343@freescale.com>2014-01-20 03:41:26 -0800
committerBryan Wu <cooloney@gmail.com>2014-02-27 09:56:56 -0800
commit4270a78d23eece0b25a13bff1e71d114ec547de4 (patch)
tree95df7c93fbfc6d3e9e2dafc52767c490dc45df93 /Documentation/devicetree/bindings/leds
parent25c6579f872d0542809067d56fad22984b8ff565 (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>
Diffstat (limited to 'Documentation/devicetree/bindings/leds')
-rw-r--r--Documentation/devicetree/bindings/leds/leds-gpio.txt12
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;
+ };
+};

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