The chip enters hardware shutdown when the SDB pin is pulled low. The chip releases hardware shutdown when the SDB pin is pulled high. Signed-off-by: Grant Feng <von81@xxxxxxx> --- Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt b/Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt index 926c2117942c..ee761abb98a7 100644 --- a/Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt +++ b/Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt @@ -15,6 +15,8 @@ Required properties: - reg: I2C slave address - address-cells : must be 1 - size-cells : must be 0 +- shutdown-gpios : (optional) + Specifier of the GPIO connected to SDB pin of the chip. LED sub-node properties: - reg : LED channel number (1..N) @@ -31,6 +33,7 @@ is31fl3236: led-controller@3c { reg = <0x3c>; #address-cells = <1>; #size-cells = <0>; + shutdown-gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>; led@1 { reg = <1>; -- 2.17.1