leds-pwm.yaml (1432B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/leds/leds-pwm.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: LEDs connected to PWM 8 9maintainers: 10 - Pavel Machek <pavel@ucw.cz> 11 12description: 13 Each LED is represented as a sub-node of the pwm-leds device. Each 14 node's name represents the name of the corresponding LED. 15 16properties: 17 compatible: 18 const: pwm-leds 19 20patternProperties: 21 "^led(-[0-9a-f]+)?$": 22 type: object 23 24 $ref: common.yaml# 25 26 properties: 27 pwms: 28 maxItems: 1 29 30 pwm-names: true 31 32 max-brightness: 33 description: 34 Maximum brightness possible for the LED 35 $ref: /schemas/types.yaml#/definitions/uint32 36 37 active-low: 38 description: 39 For PWMs where the LED is wired to supply rather than ground. 40 type: boolean 41 42 required: 43 - pwms 44 - max-brightness 45 46additionalProperties: false 47 48examples: 49 - | 50 51 #include <dt-bindings/leds/common.h> 52 53 led-controller { 54 compatible = "pwm-leds"; 55 56 led-1 { 57 label = "omap4::keypad"; 58 pwms = <&twl_pwm 0 7812500>; 59 max-brightness = <127>; 60 }; 61 62 led-2 { 63 color = <LED_COLOR_ID_GREEN>; 64 function = LED_FUNCTION_CHARGING; 65 pwms = <&twl_pwmled 0 7812500>; 66 max-brightness = <255>; 67 }; 68 }; 69 70...