162306a36Sopenharmony_ci# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 262306a36Sopenharmony_ci%YAML 1.2 362306a36Sopenharmony_ci--- 462306a36Sopenharmony_ci$id: http://devicetree.org/schemas/leds/leds-pwm.yaml# 562306a36Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml# 662306a36Sopenharmony_ci 762306a36Sopenharmony_cititle: LEDs connected to PWM 862306a36Sopenharmony_ci 962306a36Sopenharmony_cimaintainers: 1062306a36Sopenharmony_ci - Pavel Machek <pavel@ucw.cz> 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_cidescription: 1362306a36Sopenharmony_ci Each LED is represented as a sub-node of the pwm-leds device. Each 1462306a36Sopenharmony_ci node's name represents the name of the corresponding LED. 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ciproperties: 1762306a36Sopenharmony_ci compatible: 1862306a36Sopenharmony_ci const: pwm-leds 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_cipatternProperties: 2162306a36Sopenharmony_ci "^led(-[0-9a-f]+)?$": 2262306a36Sopenharmony_ci type: object 2362306a36Sopenharmony_ci $ref: common.yaml# 2462306a36Sopenharmony_ci unevaluatedProperties: false 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_ci properties: 2762306a36Sopenharmony_ci pwms: 2862306a36Sopenharmony_ci maxItems: 1 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ci pwm-names: true 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci max-brightness: 3362306a36Sopenharmony_ci description: 3462306a36Sopenharmony_ci Maximum brightness possible for the LED 3562306a36Sopenharmony_ci $ref: /schemas/types.yaml#/definitions/uint32 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci active-low: 3862306a36Sopenharmony_ci description: 3962306a36Sopenharmony_ci For PWMs where the LED is wired to supply rather than ground. 4062306a36Sopenharmony_ci type: boolean 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ci required: 4362306a36Sopenharmony_ci - pwms 4462306a36Sopenharmony_ci - max-brightness 4562306a36Sopenharmony_ci 4662306a36Sopenharmony_ciadditionalProperties: false 4762306a36Sopenharmony_ci 4862306a36Sopenharmony_ciexamples: 4962306a36Sopenharmony_ci - | 5062306a36Sopenharmony_ci 5162306a36Sopenharmony_ci #include <dt-bindings/leds/common.h> 5262306a36Sopenharmony_ci 5362306a36Sopenharmony_ci led-controller { 5462306a36Sopenharmony_ci compatible = "pwm-leds"; 5562306a36Sopenharmony_ci 5662306a36Sopenharmony_ci led-1 { 5762306a36Sopenharmony_ci label = "omap4::keypad"; 5862306a36Sopenharmony_ci pwms = <&twl_pwm 0 7812500>; 5962306a36Sopenharmony_ci max-brightness = <127>; 6062306a36Sopenharmony_ci }; 6162306a36Sopenharmony_ci 6262306a36Sopenharmony_ci led-2 { 6362306a36Sopenharmony_ci color = <LED_COLOR_ID_GREEN>; 6462306a36Sopenharmony_ci function = LED_FUNCTION_CHARGING; 6562306a36Sopenharmony_ci pwms = <&twl_pwmled 0 7812500>; 6662306a36Sopenharmony_ci max-brightness = <255>; 6762306a36Sopenharmony_ci }; 6862306a36Sopenharmony_ci }; 6962306a36Sopenharmony_ci 7062306a36Sopenharmony_ci... 71