Document Kinetic KTD2026/2027 LED driver devicetree bindings. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Signed-off-by: André Apitzsch <git@xxxxxxxxxxx> --- .../devicetree/bindings/leds/kinetic,ktd202x.yaml | 171 +++++++++++++++++++++ 1 file changed, 171 insertions(+) diff --git a/Documentation/devicetree/bindings/leds/kinetic,ktd202x.yaml b/Documentation/devicetree/bindings/leds/kinetic,ktd202x.yaml new file mode 100644 index 000000000000..832c030a5acf --- /dev/null +++ b/Documentation/devicetree/bindings/leds/kinetic,ktd202x.yaml @@ -0,0 +1,171 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/kinetic,ktd202x.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Kinetic KTD2026/7 RGB/White LED Driver + +maintainers: + - André Apitzsch <git@xxxxxxxxxxx> + +description: | + The KTD2026/7 is a RGB/White LED driver with I2C interface. + + The data sheet can be found at: + https://www.kinet-ic.com/uploads/KTD2026-7-04h.pdf + +properties: + compatible: + enum: + - kinetic,ktd2026 + - kinetic,ktd2027 + + reg: + maxItems: 1 + + vin-supply: + description: Regulator providing power to the "VIN" pin. + + vio-supply: + description: Regulator providing power for pull-up of the I/O lines. + Note that this regulator does not directly connect to KTD2026, but is + needed for the correct operation of the status ("ST") and I2C lines. + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + multi-led: + type: object + $ref: leds-class-multicolor.yaml# + unevaluatedProperties: false + + properties: + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + patternProperties: + "^led@[0-3]$": + type: object + $ref: common.yaml# + unevaluatedProperties: false + + properties: + reg: + description: Index of the LED. + minimum: 0 + maximum: 3 + + required: + - reg + - color + + required: + - "#address-cells" + - "#size-cells" + +patternProperties: + "^led@[0-3]$": + type: object + $ref: common.yaml# + unevaluatedProperties: false + + properties: + reg: + description: Index of the LED. + minimum: 0 + maximum: 3 + + required: + - reg + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/leds/common.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@30 { + compatible = "kinetic,ktd2026"; + reg = <0x30>; + #address-cells = <1>; + #size-cells = <0>; + + vin-supply = <&pm8916_l17>; + vio-supply = <&pm8916_l6>; + + led@0 { + reg = <0>; + function = LED_FUNCTION_STATUS; + color = <LED_COLOR_ID_RED>; + }; + + led@1 { + reg = <1>; + function = LED_FUNCTION_STATUS; + color = <LED_COLOR_ID_GREEN>; + }; + + led@2 { + reg = <2>; + function = LED_FUNCTION_STATUS; + color = <LED_COLOR_ID_BLUE>; + }; + }; + }; + - | + #include <dt-bindings/leds/common.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@30 { + compatible = "kinetic,ktd2026"; + reg = <0x30>; + #address-cells = <1>; + #size-cells = <0>; + + vin-supply = <&pm8916_l17>; + vio-supply = <&pm8916_l6>; + + multi-led { + color = <LED_COLOR_ID_RGB>; + function = LED_FUNCTION_STATUS; + + #address-cells = <1>; + #size-cells = <0>; + + 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>; + }; + }; + }; + }; -- 2.42.0
