71 lines
1.4 KiB
YAML
71 lines
1.4 KiB
YAML
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
||
|
|
%YAML 1.2
|
||
|
|
---
|
||
|
|
$id: http://devicetree.org/schemas/leds/leds-pwm.yaml#
|
||
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||
|
|
|
||
|
|
title: LEDs connected to PWM
|
||
|
|
|
||
|
|
maintainers:
|
||
|
|
- Pavel Machek <pavel@ucw.cz>
|
||
|
|
|
||
|
|
description:
|
||
|
|
Each LED is represented as a sub-node of the pwm-leds device. Each
|
||
|
|
node's name represents the name of the corresponding LED.
|
||
|
|
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
const: pwm-leds
|
||
|
|
|
||
|
|
patternProperties:
|
||
|
|
"^led(-[0-9a-f]+)?$":
|
||
|
|
type: object
|
||
|
|
|
||
|
|
$ref: common.yaml#
|
||
|
|
|
||
|
|
properties:
|
||
|
|
pwms:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
pwm-names: true
|
||
|
|
|
||
|
|
max-brightness:
|
||
|
|
description:
|
||
|
|
Maximum brightness possible for the LED
|
||
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
||
|
|
|
||
|
|
active-low:
|
||
|
|
description:
|
||
|
|
For PWMs where the LED is wired to supply rather than ground.
|
||
|
|
type: boolean
|
||
|
|
|
||
|
|
required:
|
||
|
|
- pwms
|
||
|
|
- max-brightness
|
||
|
|
|
||
|
|
additionalProperties: false
|
||
|
|
|
||
|
|
examples:
|
||
|
|
- |
|
||
|
|
|
||
|
|
#include <dt-bindings/leds/common.h>
|
||
|
|
|
||
|
|
led-controller {
|
||
|
|
compatible = "pwm-leds";
|
||
|
|
|
||
|
|
led-1 {
|
||
|
|
label = "omap4::keypad";
|
||
|
|
pwms = <&twl_pwm 0 7812500>;
|
||
|
|
max-brightness = <127>;
|
||
|
|
};
|
||
|
|
|
||
|
|
led-2 {
|
||
|
|
color = <LED_COLOR_ID_GREEN>;
|
||
|
|
function = LED_FUNCTION_CHARGING;
|
||
|
|
pwms = <&twl_pwmled 0 7812500>;
|
||
|
|
max-brightness = <255>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
...
|