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| author | Sven Schwermer <sven.schwermer@disruptive-technologies.com> | 2022-04-07 09:32:24 +0200 |
|---|---|---|
| committer | Pavel Machek <pavel@ucw.cz> | 2022-05-05 10:04:52 +0200 |
| commit | ac123741b8f52311af118f8a052b1cbbed041291 (patch) | |
| tree | 5418b1be4831a49081f7d614bd2b01b8dfd16297 | |
| parent | 21c0d13e3dd64581bab0ef4b4d0fea7752cc236b (diff) | |
| download | lwn-ac123741b8f52311af118f8a052b1cbbed041291.tar.gz lwn-ac123741b8f52311af118f8a052b1cbbed041291.zip | |
dt-bindings: leds: Add multicolor PWM LED bindings
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>
| -rw-r--r-- | Documentation/devicetree/bindings/leds/leds-pwm-multicolor.yaml | 79 |
1 files changed, 79 insertions, 0 deletions
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 000000000000..6625a528f727 --- /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>; + }; + }; + }; + +... |