91 lines
1.8 KiB
YAML
91 lines
1.8 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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$id: http://devicetree.org/schemas/leds/nxp,pca953x.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: NXP PCA9532 LED Dimmer
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maintainers:
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- Riku Voipio <riku.voipio@iki.fi>
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description: |
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The PCA9532 family is SMBus I/O expander optimized for dimming LEDs.
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The PWM support 256 steps.
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For more product information please see the link below:
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https://www.nxp.com/docs/en/data-sheet/PCA9532.pdf
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properties:
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compatible:
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enum:
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- nxp,pca9530
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- nxp,pca9531
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- nxp,pca9532
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- nxp,pca9533
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reg:
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maxItems: 1
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gpio-controller: true
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'#gpio-cells':
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const: 2
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patternProperties:
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"^led-[0-9a-z]+$":
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type: object
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$ref: common.yaml#
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unevaluatedProperties: false
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properties:
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type:
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description: |
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Output configuration, see include/dt-bindings/leds/leds-pca9532.h
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$ref: /schemas/types.yaml#/definitions/uint32
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default: 0
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minimum: 0
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maximum: 4
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required:
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- compatible
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- reg
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/leds/leds-pca9532.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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led-controller@62 {
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compatible = "nxp,pca9533";
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reg = <0x62>;
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led-1 {
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label = "pca:red:power";
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type = <PCA9532_TYPE_LED>;
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};
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led-2 {
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label = "pca:green:power";
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type = <PCA9532_TYPE_LED>;
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};
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led-3 {
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type = <PCA9532_TYPE_LED>;
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default-state = "on";
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};
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led-4 {
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type = <PCA9532_TYPE_LED>;
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default-state = "keep";
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};
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};
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};
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...
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