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