| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/leds/nxp,pca995x.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: NXP PCA995x LED controllers |
| 8 | |
| 9 | maintainers: |
| 10 | - Isai Gaspar <isaiezequiel.gaspar@nxp.com> |
| 11 | - Marek Vasut <marex@denx.de> |
| 12 | |
| 13 | description: |
| 14 | The NXP PCA9952/PCA9955B are programmable LED controllers connected via I2C |
| 15 | that can drive 16 separate lines. Each of them can be individually switched |
| 16 | on and off, and brightness can be controlled via individual PWM. |
| 17 | |
| 18 | Datasheets are available at |
| 19 | https://www.nxp.com/docs/en/data-sheet/PCA9952_PCA9955.pdf |
| 20 | https://www.nxp.com/docs/en/data-sheet/PCA9955B.pdf |
| 21 | |
| 22 | properties: |
| 23 | compatible: |
| 24 | enum: |
| 25 | - nxp,pca9952 |
| 26 | - nxp,pca9955b |
| 27 | |
| 28 | reg: |
| 29 | maxItems: 1 |
| 30 | |
| 31 | "#address-cells": |
| 32 | const: 1 |
| 33 | |
| 34 | "#size-cells": |
| 35 | const: 0 |
| 36 | |
| 37 | patternProperties: |
| 38 | "^led@[0-9a-f]+$": |
| 39 | type: object |
| 40 | $ref: common.yaml# |
| 41 | unevaluatedProperties: false |
| 42 | |
| 43 | properties: |
| 44 | reg: |
| 45 | minimum: 0 |
| 46 | maximum: 15 |
| 47 | |
| 48 | required: |
| 49 | - reg |
| 50 | |
| 51 | additionalProperties: false |
| 52 | |
| 53 | examples: |
| 54 | - | |
| 55 | #include <dt-bindings/leds/common.h> |
| 56 | |
| 57 | i2c { |
| 58 | #address-cells = <1>; |
| 59 | #size-cells = <0>; |
| 60 | |
| 61 | led-controller@1 { |
| 62 | compatible = "nxp,pca9955b"; |
| 63 | reg = <0x01>; |
| 64 | #address-cells = <1>; |
| 65 | #size-cells = <0>; |
| 66 | |
| 67 | led@0 { |
| 68 | reg = <0x0>; |
| 69 | color = <LED_COLOR_ID_RED>; |
| 70 | function = LED_FUNCTION_POWER; |
| 71 | }; |
| 72 | |
| 73 | led@2 { |
| 74 | reg = <0x2>; |
| 75 | color = <LED_COLOR_ID_WHITE>; |
| 76 | function = LED_FUNCTION_STATUS; |
| 77 | }; |
| 78 | }; |
| 79 | }; |
| 80 | |
| 81 | ... |