Re: [PATCH v3 2/9] dt: bindings: Add multicolor class dt bindings documention
From: Rob Herring
Date: Fri Jun 14 2019 - 13:05:09 EST
On Thu, May 23, 2019 at 02:08:13PM -0500, Dan Murphy wrote:
> Add DT bindings for the LEDs multicolor class framework.
>
> Signed-off-by: Dan Murphy <dmurphy@xxxxxx>
> ---
> .../bindings/leds/leds-class-multicolor.txt | 97 +++++++++++++++++++
> 1 file changed, 97 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/leds/leds-class-multicolor.txt
>
> diff --git a/Documentation/devicetree/bindings/leds/leds-class-multicolor.txt b/Documentation/devicetree/bindings/leds/leds-class-multicolor.txt
> new file mode 100644
> index 000000000000..e2a2ce3279cb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/leds-class-multicolor.txt
> @@ -0,0 +1,97 @@
> +* Multicolor LED properties
> +
> +Multicolor LEDs can consist of a RGB, RGBW or a RGBA LED clusters. These devices
> +can be grouped together and also provide a modeling mechanism so that the
> +cluster LEDs can vary in hue and intensity to produce a wide range of colors.
> +
> +The nodes and properties defined in this document are unique to the multicolor
> +LED class. Common LED nodes and properties are inherited from the common.txt
> +within this documentation directory.
> +
> +Required LED Child properties:
> + - color : For multicolor LED support this property should be defined as
> + LED_COLOR_ID_MULTI and further definition can be found in
> + include/linux/leds/common.h.
> +
> +led-controller@30 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "ti,lp5024";
> + reg = <0x29>;
> +
> + multi-led@4 {
Typically we sort by address order.
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <4>;
> + color = <LED_COLOR_ID_MULTI>;
> + function = LED_FUNCTION_ACTIVITY;
> +
> + led@12 {
> + reg = <12>;
> + color = <LED_COLOR_ID_RED>;
> + };
> +
> + led@13 {
> + reg = <13>;
> + color = <LED_COLOR_ID_GREEN>;
> + };
> +
> + led@14 {
> + reg = <14>;
> + color = <LED_COLOR_ID_BLUE>;
> + };
> + };
> +
> + /* Only support RGB no model defined */
I don't understand this comment.
> + multi-led@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <1>;
> + color = <LED_COLOR_ID_MULTI>;
> + function = LED_FUNCTION_;
??
> +
> +
> + led@3 {
> + reg = <3>;
> + color = <LED_COLOR_ID_RED>;
> + };
> +
> + led@4 {
> + reg = <4>;
> + color = <LED_COLOR_ID_GREEN>;
> + };
> +
> + led@5 {
> + reg = <5>;
> + color = <LED_COLOR_ID_BLUE>;
> + };
> + };
> +
> + multi-led@2 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + color = <LED_COLOR_ID_MULTI>;
> + function = LED_FUNCTION_ACTIVITY;
> + reg = <2>;
> + ti,led-bank = <2 3 5>;
> +
> + led@6 {
> + reg = <0x6>;
> + color = <LED_COLOR_ID_RED>;
> + led-sources = <6 9 15>;
> + };
> +
> + led@7 {
> + reg = <0x7>;
> + color = <LED_COLOR_ID_GREEN>;
> + led-sources = <7 10 16>;
> + };
> +
> + led@8 {
> + reg = <0x8>;
> + color = <LED_COLOR_ID_BLUE>;
> + led-sources = <8 11 17>;
> + };
> + };
> +
> +};
> --
> 2.21.0.5.gaeb582a983
>