Bindings/leds/nxp,pca953x.yaml

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