From: Linus Walleij Date: Mon, 4 Apr 2022 20:35:20 +0000 (+0200) Subject: dt-bindings: leds: Add regulator-led binding X-Git-Tag: v5.19-rc1~87^2~13 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5a71917f3b43b9fd6d6ff7b0622a85153bf184cb;p=thirdparty%2Fkernel%2Flinux.git dt-bindings: leds: Add regulator-led binding The regulator is a LED connected directly to a regulator and with its brightness controlled by the voltage of the regulator. Cc: devicetree@vger.kernel.org Cc: Antonio Ospite Reviewed-by: Rob Herring Signed-off-by: Linus Walleij Signed-off-by: Pavel Machek --- diff --git a/Documentation/devicetree/bindings/leds/regulator-led.yaml b/Documentation/devicetree/bindings/leds/regulator-led.yaml new file mode 100644 index 0000000000000..3e020d700c00f --- /dev/null +++ b/Documentation/devicetree/bindings/leds/regulator-led.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/regulator-led.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Device Tree Bindings for Regulator LEDs + +maintainers: + - Linus Walleij + +description: | + Regulator LEDs are powered by a single regulator such that they can + be turned on or off by enabling or disabling the regulator. The available + brightness settings will be inferred from the available voltages on the + regulator, and any constraints on the voltage or current will need to be + specified on the regulator. + +allOf: + - $ref: common.yaml# + +properties: + $nodename: + pattern: '^led.*$' + + compatible: + const: regulator-led + + vled-supply: + description: + The regulator controlling the current to the LED. + + function: true + color: true + linux,default-trigger: true + default-state: true + +required: + - compatible + - vled-supply + +additionalProperties: false + +examples: + - | + #include + + led-heartbeat { + compatible = "regulator-led"; + vled-supply = <®ulator>; + function = LED_FUNCTION_STATUS; + color = ; + linux,default-trigger = "heartbeat"; + }; +...