5.15-stable review patch. If anyone has any objections, please let me know.
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From: Sven Schwermer sven.schwermer@disruptive-technologies.com
[ Upstream commit ac123741b8f52311af118f8a052b1cbbed041291 ]
This allows to group multiple PWM-connected monochrome LEDs into multicolor LEDs, e.g. RGB LEDs.
Signed-off-by: Sven Schwermer sven.schwermer@disruptive-technologies.com Reviewed-by: Rob Herring robh@kernel.org Signed-off-by: Pavel Machek pavel@ucw.cz Stable-dep-of: 609bc99a4452 ("dt-bindings: leds: class-multicolor: Fix path to color definitions") Signed-off-by: Sasha Levin sashal@kernel.org --- .../bindings/leds/leds-pwm-multicolor.yaml | 79 +++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-pwm-multicolor.yaml
diff --git a/Documentation/devicetree/bindings/leds/leds-pwm-multicolor.yaml b/Documentation/devicetree/bindings/leds/leds-pwm-multicolor.yaml new file mode 100644 index 0000000000000..6625a528f7275 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-pwm-multicolor.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/leds-pwm-multicolor.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Multi-color LEDs connected to PWM + +maintainers: + - Sven Schwermer sven.schwermer@disruptive-technologies.com + +description: | + This driver combines several monochrome PWM LEDs into one multi-color + LED using the multicolor LED class. + +properties: + compatible: + const: pwm-leds-multicolor + + multi-led: + type: object + + patternProperties: + "^led-[0-9a-z]+$": + type: object + $ref: common.yaml# + + additionalProperties: false + + properties: + pwms: + maxItems: 1 + + pwm-names: true + + color: true + + required: + - pwms + - color + +required: + - compatible + +allOf: + - $ref: leds-class-multicolor.yaml# + +additionalProperties: false + +examples: + - | + #include <dt-bindings/leds/common.h> + + led-controller { + compatible = "pwm-leds-multicolor"; + + multi-led { + color = <LED_COLOR_ID_RGB>; + function = LED_FUNCTION_INDICATOR; + max-brightness = <65535>; + + led-red { + pwms = <&pwm1 0 1000000>; + color = <LED_COLOR_ID_RED>; + }; + + led-green { + pwms = <&pwm2 0 1000000>; + color = <LED_COLOR_ID_GREEN>; + }; + + led-blue { + pwms = <&pwm3 0 1000000>; + color = <LED_COLOR_ID_BLUE>; + }; + }; + }; + +...