Introduce the bindings for the Kinetic KTD2061/58/59/60RGB LED device driver. The KTD20xx can control RGB LEDs individually or as part of a control bank group. Signed-off-by: Florian Eckert <fe@xxxxxxxxxx> --- .../bindings/leds/leds-ktd20xx.yaml | 123 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 124 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-ktd20xx.yaml diff --git a/Documentation/devicetree/bindings/leds/leds-ktd20xx.yaml b/Documentation/devicetree/bindings/leds/leds-ktd20xx.yaml new file mode 100644 index 000000000000..b10b5fd507db --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-ktd20xx.yaml @@ -0,0 +1,123 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/leds-ktd20xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: LED driver for KTD20xx RGB LED from Kinetic. + +maintainers: + - Florian Eckert <fe@xxxxxxxxxx> + +description: | + The KTD20XX is multi-channel, I2C RGB LED Drivers that can group RGB LEDs into + a LED group or control them individually. + + The difference in these RGB LED drivers is I2C address number the device is + listen on. + +properties: + compatible: + enum: + - kinetic,ktd20xx + + reg: + maxItems: 1 + description: + I2C slave address + ktd2061/58/59/60 0x68 0x69 0x6A 0x6B + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + 'kinetic,color-current0': + description: + Specifies the current selection for the RGB color0. + Value 1 must be the current value for the color red. + Value 2 must be the current value for the color green. + Value 3 must be the current value for the color blue. + The current setting range is from 0mA to 24mA with 125uA steps. + $ref: /schemas/types.yaml#/definitions/uint8-array + items: + - minItems: 3 + - maxItems: 3 + + 'kinetic,color-current1': + description: + Specifies the current selection for the RGB color0. + Value 1 must be the current value for the color red. + Value 2 must be the current value for the color green. + Value 3 must be the current value for the color blue. + The current setting range is from 0mA to 24mA with 125uA steps. + $ref: /schemas/types.yaml#/definitions/uint8-array + items: + - minItems: 3 + - maxItems: 3 + +patternProperties: + '^multi-led@[0-9a-f]$': + type: object + allOf: + - $ref: leds-class-multicolor.yaml# + properties: + reg: + minItems: 1 + maxItems: 12 + description: + This property denotes the LED module number(s) that is used on the + for the child node. + 'kinetic,color-selection': + description: + Specifies the color selection for this LED. + Value 1 selects the color register for color red. + Value 2 selects the color register for color green. + Value 3 selects the color register for color blue. + The value can be either 0 or 1. If 0, the current for the color + from color register 0 is used. If 1, the current for the color + from color register 1 is used. + $ref: /schemas/types.yaml#/definitions/uint8-array + items: + - minItems: 3 + - maxItems: 3 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/leds/common.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@14 { + compatible = "ti,lp5009"; + reg = <0x14>; + #address-cells = <1>; + #size-cells = <0>; + color-current0 = [ 00 00 00 ] // Current for RGB is 0mA + color-current1 = [ 28 28 28 ] // Current for RGB is 5mA + + multi-led@0 { + reg = <0x0>; + color = <LED_COLOR_ID_RGB>; + function = LED_FUNCTION_CHARGING; + kinetic,color-selection = [ 00 01 00 ]; // Red=0mA Green=5mA Blue=0mA + }; + + multi-led@2 { + reg = <0x2>; + color = <LED_COLOR_ID_RGB>; + function = LED_FUNCTION_STANDBY; + }; + }; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 736d564f7e93..125bae48c2d1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10607,6 +10607,7 @@ KTD20XX LED CONTROLLER DRIVER M: Florian Eckert <fe@xxxxxxxxxx> L: linux-leds@xxxxxxxxxxxxxxx S: Maintained +F: Documentation/devicetree/bindings/leds/leds-ktd20xx.yaml F: drivers/leds/leds-ktd20xx.c KTEST -- 2.20.1
