Add DT bindings for the LEDs multicolor class framework. Add multicolor ID to the color ID list for device tree bindings.
CC: Rob Herring <r...@kernel.org> Acked-by: Pavel Machek <pa...@ucw.cz> Acked-by: Jacek Anaszewski <jacek.anaszew...@gmail.com> Signed-off-by: Dan Murphy <dmur...@ti.com> --- .../bindings/leds/leds-class-multicolor.yaml | 71 +++++++++++++++++++ drivers/leds/led-core.c | 1 + include/dt-bindings/leds/common.h | 3 +- 3 files changed, 74 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml diff --git a/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml b/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml new file mode 100644 index 000000000000..fa6ea8e5c46b --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/leds-class-multicolor.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Common properties for the multicolor LED class. + +maintainers: + - Dan Murphy <dmur...@ti.com> + +description: | + Bindings for multi color LEDs show how to describe current outputs of + either integrated multi-color LED elements (like RGB, RGBW, RGBWA-UV + etc.) or standalone LEDs, to achieve logically grouped multi-color LED + modules. This is achieved by adding multi-led nodes layer to the + monochrome LED bindings. + 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. + +properties: + color: + description: | + 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. + +required: + - color + +examples: + - | + #include <dt-bindings/leds/common.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@14 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "ti,lp5009"; + reg = <0x14>; + + multi-led@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + color = <LED_COLOR_ID_MULTI>; + function = LED_FUNCTION_CHARGING; + + led@0 { + reg = <0>; + color = <LED_COLOR_ID_RED>; + }; + + led@1 { + reg = <1>; + color = <LED_COLOR_ID_GREEN>; + }; + + led@2 { + reg = <2>; + color = <LED_COLOR_ID_BLUE>; + }; + }; + }; + }; + +additionalProperties: false +... diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c index f1f718dbe0f8..846248a0693d 100644 --- a/drivers/leds/led-core.c +++ b/drivers/leds/led-core.c @@ -34,6 +34,7 @@ const char * const led_colors[LED_COLOR_ID_MAX] = { [LED_COLOR_ID_VIOLET] = "violet", [LED_COLOR_ID_YELLOW] = "yellow", [LED_COLOR_ID_IR] = "ir", + [LED_COLOR_ID_MULTI] = "multicolor", }; EXPORT_SYMBOL_GPL(led_colors); diff --git a/include/dt-bindings/leds/common.h b/include/dt-bindings/leds/common.h index 0ce7dfc00dcb..a463ce6a8794 100644 --- a/include/dt-bindings/leds/common.h +++ b/include/dt-bindings/leds/common.h @@ -30,7 +30,8 @@ #define LED_COLOR_ID_VIOLET 5 #define LED_COLOR_ID_YELLOW 6 #define LED_COLOR_ID_IR 7 -#define LED_COLOR_ID_MAX 8 +#define LED_COLOR_ID_MULTI 8 +#define LED_COLOR_ID_MAX 9 /* Standard LED functions */ /* Keyboard LEDs, usually it would be input4::capslock etc. */ -- 2.25.1
