xref: /linux/Documentation/devicetree/bindings/iio/adc/allwinner,sun20i-d1-gpadc.yaml (revision 6f47c7ae8c7afaf9ad291d39f0d3974f191a7946) 
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
7title: Allwinner D1 General Purpose ADC
8
9maintainers:
10  - Maksim Kiselev <bigunclemax@gmail.com>
11
12properties:
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
38patternProperties:
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
56required:
57  - "#io-channel-cells"
58  - clocks
59  - compatible
60  - interrupts
61  - reg
62  - resets
63
64additionalProperties: false
65
66examples:
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...
92