| 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/leds-pwm.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: LEDs connected to PWM |
| 8 | |
| 9 | maintainers: |
| 10 | - Pavel Machek <pavel@ucw.cz> |
| 11 | |
| 12 | description: |
| 13 | Each LED is represented as a sub-node of the pwm-leds device. Each |
| 14 | node's name represents the name of the corresponding LED. |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | const: pwm-leds |
| 19 | |
| 20 | patternProperties: |
| 21 | "^led(-[0-9a-f]+)?$": |
| 22 | type: object |
| 23 | $ref: common.yaml# |
| 24 | unevaluatedProperties: false |
| 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 | |
| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 37 | required: |
| 38 | - pwms |
| 39 | - max-brightness |
| 40 | |
| 41 | additionalProperties: false |
| 42 | |
| 43 | examples: |
| 44 | - | |
| 45 | |
| 46 | #include <dt-bindings/leds/common.h> |
| 47 | |
| 48 | led-controller { |
| 49 | compatible = "pwm-leds"; |
| 50 | |
| 51 | led-1 { |
| 52 | label = "omap4::keypad"; |
| 53 | pwms = <&twl_pwm 0 7812500>; |
| 54 | max-brightness = <127>; |
| 55 | }; |
| 56 | |
| 57 | led-2 { |
| 58 | color = <LED_COLOR_ID_GREEN>; |
| 59 | function = LED_FUNCTION_CHARGING; |
| 60 | pwms = <&twl_pwmled 0 7812500>; |
| 61 | max-brightness = <255>; |
| 62 | }; |
| 63 | }; |
| 64 | |
| 65 | ... |