71 lines
1.4 KiB
YAML
71 lines
1.4 KiB
YAML
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# 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 <pavel@ucw.cz>
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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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unevaluatedProperties: false
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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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