From: LI Qingwu Date: Mon, 17 Nov 2025 05:45:08 +0000 (+0000) Subject: dt-bindings: leds: pwm: Add enable-gpios property X-Git-Url: https://gentwo.org/gitweb/?a=commitdiff_plain;h=d7dca03a48e2e95b4469d3e3a1ef23065d90f98b;p=linux%2F.git dt-bindings: leds: pwm: Add enable-gpios property Some PWM LED driver chips like TPS92380 and LT3743 require a separate enable signal in addition to PWM control. Add this property to allow device trees to specify such GPIO, which will be controlled automatically by the driver based on the LED brightness state. Signed-off-by: LI Qingwu Reviewed-by: Krzysztof Kozlowski Link: https://patch.msgid.link/20251117054511.730246-1-Qing-wu.Li@leica-geosystems.com.cn Signed-off-by: Lee Jones --- diff --git a/Documentation/devicetree/bindings/leds/leds-pwm.yaml b/Documentation/devicetree/bindings/leds/leds-pwm.yaml index 61b97e8bc36d..6c4fcefbe25f 100644 --- a/Documentation/devicetree/bindings/leds/leds-pwm.yaml +++ b/Documentation/devicetree/bindings/leds/leds-pwm.yaml @@ -40,6 +40,13 @@ patternProperties: initialization. If the option is not set then max brightness is used. $ref: /schemas/types.yaml#/definitions/uint32 + enable-gpios: + description: + GPIO for LED hardware enable control. Set active when brightness is + non-zero and inactive when brightness is zero. + The GPIO default state follows the "default-state" property. + maxItems: 1 + required: - pwms - max-brightness