Documentation/devicetree/bindings/iio/adc/allwinner,sun20i-d1-gpadc.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/iio/adc/allwinner,sun20i-d1-gpadc.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Allwinner D1 General Purpose ADC
   8
   9 maintainers:
  10   - Maksim Kiselev <bigunclemax@gmail.com>
  11
  12 properties:
  13   compatible:
  14     enum:
  15       - allwinner,sun20i-d1-gpadc
  16
  17   "#io-channel-cells":
  18     const: 1
  19
  20   "#address-cells":
  21     const: 1
  22
  23   "#size-cells":
  24     const: 0
  25
  26   clocks:
  27     maxItems: 1
  28
  29   interrupts:
  30     maxItems: 1
  31
  32   reg:
  33     maxItems: 1
  34
  35   resets:
  36     maxItems: 1
  37
  38 patternProperties:
  39   "^channel@[0-9a-f]+$":
  40     $ref: adc.yaml
  41     type: object
  42     description:
  43       Represents the internal channels of the ADC.
  44
  45     properties:
  46       reg:
  47         items:
  48           minimum: 0
  49           maximum: 15
  50
  51     required:
  52       - reg
  53
  54     unevaluatedProperties: false
  55
  56 required:
  57   - "#io-channel-cells"
  58   - clocks
  59   - compatible
  60   - interrupts
  61   - reg
  62   - resets
  63
  64 additionalProperties: false
  65
  66 examples:
  67   - |
  68     #include <dt-bindings/clock/sun20i-d1-ccu.h>
  69     #include <dt-bindings/reset/sun20i-d1-ccu.h>
  70     #include <dt-bindings/interrupt-controller/irq.h>
  71
  72     gpadc: adc@2009000 {
  73         compatible = "allwinner,sun20i-d1-gpadc";
  74         reg = <0x2009000 0x400>;
  75         clocks = <&ccu CLK_BUS_GPADC>;
  76         resets = <&ccu RST_BUS_GPADC>;
  77         interrupts = <73 IRQ_TYPE_LEVEL_HIGH>;
  78         #io-channel-cells = <1>;
  79
  80         #address-cells = <1>;
  81         #size-cells = <0>;
  82
  83         channel@0 {
  84             reg = <0>;
  85         };
  86
  87         channel@1 {
  88             reg = <1>;
  89         };
  90     };
  91 ...