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# 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;
};
};
};
...
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