| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/leds/nxp,pca953x.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: NXP PCA9532 LED Dimmer |
| |
| maintainers: |
| - Riku Voipio <riku.voipio@iki.fi> |
| |
| description: | |
| The PCA9532 family is SMBus I/O expander optimized for dimming LEDs. |
| The PWM support 256 steps. |
| |
| For more product information please see the link below: |
| https://www.nxp.com/docs/en/data-sheet/PCA9532.pdf |
| |
| properties: |
| compatible: |
| enum: |
| - nxp,pca9530 |
| - nxp,pca9531 |
| - nxp,pca9532 |
| - nxp,pca9533 |
| |
| reg: |
| maxItems: 1 |
| |
| gpio-controller: true |
| |
| gpio-line-names: |
| minItems: 1 |
| maxItems: 16 |
| |
| '#gpio-cells': |
| const: 2 |
| |
| patternProperties: |
| "^led-[0-9a-z]+$": |
| type: object |
| $ref: common.yaml# |
| unevaluatedProperties: false |
| |
| properties: |
| type: |
| description: | |
| Output configuration, see include/dt-bindings/leds/leds-pca9532.h |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| default: 0 |
| minimum: 0 |
| maximum: 4 |
| |
| required: |
| - compatible |
| - reg |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/leds/leds-pca9532.h> |
| |
| i2c { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| led-controller@62 { |
| compatible = "nxp,pca9533"; |
| reg = <0x62>; |
| |
| led-1 { |
| label = "pca:red:power"; |
| type = <PCA9532_TYPE_LED>; |
| }; |
| |
| led-2 { |
| label = "pca:green:power"; |
| type = <PCA9532_TYPE_LED>; |
| }; |
| |
| led-3 { |
| type = <PCA9532_TYPE_LED>; |
| default-state = "on"; |
| }; |
| |
| led-4 { |
| type = <PCA9532_TYPE_LED>; |
| default-state = "keep"; |
| }; |
| }; |
| }; |
| |
| ... |
