Document Kinetic KTD2026/2027 LED driver devicetree bindings.
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: André Apitzsch <[email protected]>
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.../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
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+# 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 <[email protected]>
+
+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