| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/leds/nxp,pca953x.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: NXP PCA9532 LED Dimmer |
| 8 | |
| 9 | maintainers: |
| 10 | - Riku Voipio <riku.voipio@iki.fi> |
| 11 | |
| 12 | description: | |
| 13 | The PCA9532 family is SMBus I/O expander optimized for dimming LEDs. |
| 14 | The PWM support 256 steps. |
| 15 | |
| 16 | For more product information please see the link below: |
| 17 | https://www.nxp.com/docs/en/data-sheet/PCA9532.pdf |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | enum: |
| 22 | - nxp,pca9530 |
| 23 | - nxp,pca9531 |
| 24 | - nxp,pca9532 |
| 25 | - nxp,pca9533 |
| 26 | |
| 27 | reg: |
| 28 | maxItems: 1 |
| 29 | |
| 30 | gpio-controller: true |
| 31 | |
| 32 | gpio-line-names: |
| 33 | minItems: 1 |
| 34 | maxItems: 16 |
| 35 | |
| 36 | '#gpio-cells': |
| 37 | const: 2 |
| 38 | |
| 39 | patternProperties: |
| 40 | "^led-[0-9a-z]+$": |
| 41 | type: object |
| 42 | $ref: common.yaml# |
| 43 | unevaluatedProperties: false |
| 44 | |
| 45 | properties: |
| 46 | type: |
| 47 | description: | |
| 48 | Output configuration, see include/dt-bindings/leds/leds-pca9532.h |
| 49 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 50 | default: 0 |
| 51 | minimum: 0 |
| 52 | maximum: 4 |
| 53 | |
| 54 | required: |
| 55 | - compatible |
| 56 | - reg |
| 57 | |
| 58 | additionalProperties: false |
| 59 | |
| 60 | examples: |
| 61 | - | |
| 62 | #include <dt-bindings/leds/leds-pca9532.h> |
| 63 | |
| 64 | i2c { |
| 65 | #address-cells = <1>; |
| 66 | #size-cells = <0>; |
| 67 | |
| 68 | led-controller@62 { |
| 69 | compatible = "nxp,pca9533"; |
| 70 | reg = <0x62>; |
| 71 | |
| 72 | led-1 { |
| 73 | label = "pca:red:power"; |
| 74 | type = <PCA9532_TYPE_LED>; |
| 75 | }; |
| 76 | |
| 77 | led-2 { |
| 78 | label = "pca:green:power"; |
| 79 | type = <PCA9532_TYPE_LED>; |
| 80 | }; |
| 81 | |
| 82 | led-3 { |
| 83 | type = <PCA9532_TYPE_LED>; |
| 84 | default-state = "on"; |
| 85 | }; |
| 86 | |
| 87 | led-4 { |
| 88 | type = <PCA9532_TYPE_LED>; |
| 89 | default-state = "keep"; |
| 90 | }; |
| 91 | }; |
| 92 | }; |
| 93 | |
| 94 | ... |