| # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/leds/nxp,pca995x.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: NXP PCA995x LED controllers |
| |
| maintainers: |
| - Isai Gaspar <isaiezequiel.gaspar@nxp.com> |
| - Marek Vasut <marex@denx.de> |
| |
| description: |
| The NXP PCA9952/PCA9955B are programmable LED controllers connected via I2C |
| that can drive 16 separate lines. Each of them can be individually switched |
| on and off, and brightness can be controlled via individual PWM. |
| |
| Datasheets are available at |
| https://www.nxp.com/docs/en/data-sheet/PCA9952_PCA9955.pdf |
| https://www.nxp.com/docs/en/data-sheet/PCA9955B.pdf |
| |
| properties: |
| compatible: |
| enum: |
| - nxp,pca9952 |
| - nxp,pca9955b |
| |
| reg: |
| maxItems: 1 |
| |
| "#address-cells": |
| const: 1 |
| |
| "#size-cells": |
| const: 0 |
| |
| patternProperties: |
| "^led@[0-9a-f]+$": |
| type: object |
| $ref: common.yaml# |
| unevaluatedProperties: false |
| |
| properties: |
| reg: |
| minimum: 0 |
| maximum: 15 |
| |
| required: |
| - reg |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/leds/common.h> |
| |
| i2c { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| led-controller@1 { |
| compatible = "nxp,pca9955b"; |
| reg = <0x01>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| led@0 { |
| reg = <0x0>; |
| color = <LED_COLOR_ID_RED>; |
| function = LED_FUNCTION_POWER; |
| }; |
| |
| led@2 { |
| reg = <0x2>; |
| color = <LED_COLOR_ID_WHITE>; |
| function = LED_FUNCTION_STATUS; |
| }; |
| }; |
| }; |
| |
| ... |
