On Tue, Feb 08, 2022 at 08:12:35PM +0100, sven@xxxxxxxxxxxxxxxx wrote: > From: Sven Schwermer <sven.schwermer@xxxxxxxxxxxxxxxxxxxxxxxxxxx> > > This allows to group multiple PWM-connected monochrome LEDs into > multicolor LEDs, e.g. RGB LEDs. > > Signed-off-by: Sven Schwermer <sven.schwermer@xxxxxxxxxxxxxxxxxxxxxxxxxxx> > --- > > Notes: > Changes in v6: > * Fix device tree binding schema > > Changes in v5: > * (no changes) > > Changes in v4: > * (no changes) > > Changes in v3: > * Remove multi-led unit name > > .../bindings/leds/leds-pwm-multicolor.yaml | 69 +++++++++++++++++++ > 1 file changed, 69 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 000000000000..f7ce29c8ae63 > --- /dev/null > +++ b/Documentation/devicetree/bindings/leds/leds-pwm-multicolor.yaml > @@ -0,0 +1,69 @@ > +# 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@xxxxxxxxxxxxxxxxxxxxxxxxxxx> > + > +description: | > + This driver combines several monochrome PWM LEDs into one multi-color > + LED using the multicolor LED class. > + > +properties: > + compatible: > + const: pwm-leds-multicolor blank line > + multi-led: > + type: object blank line > + patternProperties: > + "^led-[0-9a-z]+$": > + type: object > + $ref: common.yaml# blank line > + properties: > + pwms: > + maxItems: 1 blank line and so on. (There not a hard rule, but roughly it's blank lines between DT property sub-schemas, top-level keywords, and properties/patternProperties/required.) > + pwm-names: true > + color: true > + required: > + - pwms > + - color > + additionalProperties: false While the top level goes at the end, I find it is easier to read putting the indented cases before properties/patternProperties. > +required: > + - compatible > +allOf: > + - $ref: leds-class-multicolor.yaml# > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/leds/common.h> > + > + rgb-led { > + 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>; > + }; > + }; > + }; > + > +... > -- > 2.35.1 > >
