This allows to group multiple monochromatic LEDs into a multicolor LED, e.g. RGB LEDs. Signed-off-by: Jean-Jacques Hiblot <jjhiblot@xxxxxxxxxxxxxxx> --- .../bindings/leds/leds-group-multicolor.yaml | 94 +++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-group-multicolor.yaml diff --git a/Documentation/devicetree/bindings/leds/leds-group-multicolor.yaml b/Documentation/devicetree/bindings/leds/leds-group-multicolor.yaml new file mode 100644 index 000000000000..30a67985ae33 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-group-multicolor.yaml @@ -0,0 +1,94 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/leds-group-multicolor.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Multi-color LED built with monochromatic LEDs + +maintainers: + - Jean-Jacques Hiblot <jjhiblot@xxxxxxxxxxxxxxx> + +description: | + This driver combines several monochromatic LEDs into one multi-color + LED using the multicolor LED class. + +properties: + compatible: + const: leds-group-multicolor + + multi-led: + type: object + + patternProperties: + "^led-[0-9a-z]+$": + type: object + $ref: common.yaml# + + additionalProperties: false + + properties: + leds: + maxItems: 1 + + color: true + + required: + - leds + - color + +required: + - compatible + +allOf: + - $ref: leds-class-multicolor.yaml# + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/leds/common.h> + + monochromatic-leds { + compatible = "gpio-leds"; + + led0: led-0 { + gpios = <&mcu_pio 0 GPIO_ACTIVE_LOW>; + }; + + led1: led-1 { + gpios = <&mcu_pio 1 GPIO_ACTIVE_HIGH>; + }; + + led2: led-2 { + gpios = <&mcu_pio 1 GPIO_ACTIVE_HIGH>; + }; + }; + + multicolor-led-group { + compatible = "leds-group-multicolor"; + + multi-led { + color = <LED_COLOR_ID_RGB>; + function = LED_FUNCTION_INDICATOR; + max-brightness = <256>; + + led-red { + leds = <&led0>; + color = <LED_COLOR_ID_RED>; + }; + + led-green { + leds = <&led1>; + color = <LED_COLOR_ID_GREEN>; + }; + + led-blue { + leds = <&led2>; + color = <LED_COLOR_ID_BLUE>; + }; + }; + }; + +... -- 2.25.1
