Document Shiji Lighting APA102C LED driver device tree bindings. Signed-off-by: Nicolas Belin <nbelin@xxxxxxxxxxxx> --- .../devicetree/bindings/leds/leds-apa102c.yaml | 91 ++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-apa102c.yaml diff --git a/Documentation/devicetree/bindings/leds/leds-apa102c.yaml b/Documentation/devicetree/bindings/leds/leds-apa102c.yaml new file mode 100644 index 000000000000..24bc2fc19fcb --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-apa102c.yaml @@ -0,0 +1,91 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/leds-apa102c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: LED driver for Shiji Lighting - APA102C + +maintainers: + - Nicolas Belin <nbelin@xxxxxxxxxxxx> + +description: + Each LED is represented as a sub-node of the leds-apa102c device. Each LED + is a three color RGB LED with 32 levels brightness adjustment that can be + cascaded so that multiple LEDs can be set with a single command. + +properties: + compatible: + const: shiji,apa102c + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 1000000 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +required: + - compatible + - reg + - spi-max-frequency + - '#address-cells' + - '#size-cells' + +patternProperties: + "^led@[0-9]+$": + type: object + description: | + Properties for an array of connected LEDs. + + properties: + reg: + description: | + This property corresponds to the led index. It has to be between 0 + and the number of managed leds minus 1 + maxItems: 1 + + label: + description: | + This property corresponds to the name of the led. If not set, + the led index will be used to create the led name instead + maxItems: 1 + + linux,default-trigger: true + + required: + - reg + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@0 { + compatible = "shiji,apa102c"; + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + spi-max-frequency = <1000000>; + led@0 { + reg = <0>; + label = "led1"; + }; + + led@1 { + reg = <1>; + label = "led2"; + }; + + led@2 { + reg = <2>; + label = "led3"; + }; + }; + }; -- 2.7.4
