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 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Allwinner D1 General Purpose ADC
8
9 maintainers:
10 - Maksim Kiselev <bigunclemax@gmail.com>
11
12 properties:
13 compatible:
14 oneOf:
15 - enum:
16 - allwinner,sun20i-d1-gpadc
17 - items:
18 - enum:
19 - allwinner,sun50i-h616-gpadc
20 - const: allwinner,sun20i-d1-gpadc
21
22 "#io-channel-cells":
23 const: 1
24
25 "#address-cells":
26 const: 1
27
28 "#size-cells":
29 const: 0
30
31 clocks:
32 maxItems: 1
33
34 interrupts:
35 maxItems: 1
36
37 reg:
38 maxItems: 1
39
40 resets:
41 maxItems: 1
42
43 patternProperties:
44 "^channel@[0-9a-f]+$":
45 $ref: adc.yaml
46 type: object
47 description:
48 Represents the internal channels of the ADC.
49
50 properties:
51 reg:
52 items:
53 minimum: 0
54 maximum: 15
55
56 required:
57 - reg
58
59 unevaluatedProperties: false
60
61 required:
62 - "#io-channel-cells"
63 - clocks
64 - compatible
65 - interrupts
66 - reg
67 - resets
68
69 additionalProperties: false
70
71 examples:
72 - |
73 #include <dt-bindings/clock/sun20i-d1-ccu.h>
74 #include <dt-bindings/reset/sun20i-d1-ccu.h>
75 #include <dt-bindings/interrupt-controller/irq.h>
76
77 gpadc: adc@2009000 {
78 compatible = "allwinner,sun20i-d1-gpadc";
79 reg = <0x2009000 0x400>;
80 clocks = <&ccu CLK_BUS_GPADC>;
81 resets = <&ccu RST_BUS_GPADC>;
82 interrupts = <73 IRQ_TYPE_LEVEL_HIGH>;
83 #io-channel-cells = <1>;
84
85 #address-cells = <1>;
86 #size-cells = <0>;
87
88 channel@0 {
89 reg = <0>;
90 };
91
92 channel@1 {
93 reg = <1>;
94 };
95 };
96 ...
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