159 lines
3.2 KiB
YAML
159 lines
3.2 KiB
YAML
# 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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$id: http://devicetree.org/schemas/leds/nxp,pca955x.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: NXP PCA955X LED controllers
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maintainers:
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- Nate Case <ncase@xes-inc.com>
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description: |
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The PCA955x family of chips are I2C LED blinkers whose pins not used
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to control LEDs can be used as general purpose I/Os. The GPIO pins can
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be input or output, and output pins can also be pulse-width controlled.
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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/PCA9552.pdf
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properties:
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compatible:
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enum:
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- nxp,pca9550
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- nxp,pca9551
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- nxp,pca9552
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- ibm,pca9552
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- nxp,pca9553
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reg:
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maxItems: 1
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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gpio-controller: true
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gpio-line-names:
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minItems: 1
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maxItems: 16
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"#gpio-cells":
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const: 2
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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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reg:
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maxItems: 1
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type:
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description: |
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Output configuration, see include/dt-bindings/leds/leds-pca955x.h
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$ref: /schemas/types.yaml#/definitions/uint32
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default: 0
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minimum: 0
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maximum: 2
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required:
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- reg
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allOf:
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- if:
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properties:
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compatible:
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contains:
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enum:
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- nxp,pca9550
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then:
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patternProperties:
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"^led@[0-9a-f]$":
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properties:
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reg:
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maximum: 1
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- if:
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properties:
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compatible:
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contains:
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enum:
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- nxp,pca9551
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then:
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patternProperties:
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"^led@[0-9a-f]$":
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properties:
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reg:
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maximum: 7
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- if:
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properties:
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compatible:
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contains:
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enum:
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- nxp,pca9552
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- ibm,pca9552
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then:
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patternProperties:
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"^led@[0-9a-f]$":
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properties:
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reg:
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maximum: 15
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- if:
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properties:
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compatible:
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contains:
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enum:
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- nxp,pca9553
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then:
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patternProperties:
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"^led@[0-9a-f]$":
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properties:
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reg:
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maximum: 3
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/leds/leds-pca955x.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@60 {
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compatible = "nxp,pca9552";
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reg = <0x60>;
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#address-cells = <1>;
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#size-cells = <0>;
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led@0 {
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reg = <0>;
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label = "red:power";
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linux,default-trigger = "default-on";
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type = <PCA955X_TYPE_LED>;
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};
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led@1 {
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reg = <1>;
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label = "green:power";
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type = <PCA955X_TYPE_LED>;
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};
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led@2 {
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reg = <2>;
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label = "pca9552:yellow";
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type = <PCA955X_TYPE_LED>;
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};
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led@3 {
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reg = <3>;
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label = "pca9552:white";
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type = <PCA955X_TYPE_LED>;
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};
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};
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};
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...
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