1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/input/allwi 4 $id: http://devicetree.org/schemas/input/allwinner,sun4i-a10-lradc-keys.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Allwinner A10 LRADC 7 title: Allwinner A10 LRADC
8 8
9 maintainers: 9 maintainers:
10 - Chen-Yu Tsai <wens@csie.org> 10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org> 11 - Maxime Ripard <mripard@kernel.org>
12 12
13 properties: 13 properties:
14 compatible: 14 compatible:
15 oneOf: 15 oneOf:
16 - const: allwinner,sun4i-a10-lradc-keys 16 - const: allwinner,sun4i-a10-lradc-keys
17 - const: allwinner,sun8i-a83t-r-lradc 17 - const: allwinner,sun8i-a83t-r-lradc
18 - items: 18 - items:
19 - enum: 19 - enum:
20 - allwinner,suniv-f1c100s-lradc 20 - allwinner,suniv-f1c100s-lradc
21 - allwinner,sun50i-a64-lradc 21 - allwinner,sun50i-a64-lradc
22 - const: allwinner,sun8i-a83t-r-lrad 22 - const: allwinner,sun8i-a83t-r-lradc
23 - const: allwinner,sun50i-r329-lradc 23 - const: allwinner,sun50i-r329-lradc
24 - items: 24 - items:
25 - enum: 25 - enum:
26 - allwinner,sun50i-h616-lradc 26 - allwinner,sun50i-h616-lradc
27 - allwinner,sun20i-d1-lradc 27 - allwinner,sun20i-d1-lradc
28 - const: allwinner,sun50i-r329-lradc 28 - const: allwinner,sun50i-r329-lradc
29 29
30 reg: 30 reg:
31 maxItems: 1 31 maxItems: 1
32 32
33 clocks: 33 clocks:
34 maxItems: 1 34 maxItems: 1
35 35
36 resets: 36 resets:
37 maxItems: 1 37 maxItems: 1
38 38
39 interrupts: 39 interrupts:
40 maxItems: 1 40 maxItems: 1
41 41
42 vref-supply: 42 vref-supply:
43 description: 43 description:
44 Regulator for the LRADC reference voltag 44 Regulator for the LRADC reference voltage
45 45
46 wakeup-source: true 46 wakeup-source: true
47 47
48 patternProperties: 48 patternProperties:
49 "^button-[0-9]+$": 49 "^button-[0-9]+$":
50 type: object 50 type: object
51 $ref: input.yaml# 51 $ref: input.yaml#
52 properties: 52 properties:
53 label: 53 label:
54 description: Descriptive name of the k 54 description: Descriptive name of the key
55 55
56 linux,code: true 56 linux,code: true
57 57
58 channel: 58 channel:
59 $ref: /schemas/types.yaml#/definitions 59 $ref: /schemas/types.yaml#/definitions/uint32
60 enum: [0, 1] 60 enum: [0, 1]
61 description: ADC Channel this key is a 61 description: ADC Channel this key is attached to
62 62
63 voltage: 63 voltage:
64 $ref: /schemas/types.yaml#/definitions 64 $ref: /schemas/types.yaml#/definitions/uint32
65 description: 65 description:
66 Voltage in microvolts at LRADC input 66 Voltage in microvolts at LRADC input when this key is
67 pressed 67 pressed
68 68
69 required: 69 required:
70 - label 70 - label
71 - linux,code 71 - linux,code
72 - channel 72 - channel
73 - voltage 73 - voltage
74 74
75 additionalProperties: false 75 additionalProperties: false
76 76
77 required: 77 required:
78 - compatible 78 - compatible
79 - reg 79 - reg
80 - interrupts 80 - interrupts
81 - vref-supply 81 - vref-supply
82 82
83 if: 83 if:
84 properties: 84 properties:
85 compatible: 85 compatible:
86 contains: 86 contains:
87 enum: 87 enum:
88 - allwinner,sun50i-r329-lradc 88 - allwinner,sun50i-r329-lradc
89 89
90 then: 90 then:
91 required: 91 required:
92 - clocks 92 - clocks
93 - resets 93 - resets
94 94
95 additionalProperties: false 95 additionalProperties: false
96 96
97 examples: 97 examples:
98 - | 98 - |
99 lradc: lradc@1c22800 { 99 lradc: lradc@1c22800 {
100 compatible = "allwinner,sun4i-a10-lrad 100 compatible = "allwinner,sun4i-a10-lradc-keys";
101 reg = <0x01c22800 0x100>; 101 reg = <0x01c22800 0x100>;
102 interrupts = <31>; 102 interrupts = <31>;
103 vref-supply = <®_vcc3v0>; 103 vref-supply = <®_vcc3v0>;
104 104
105 button-191 { 105 button-191 {
106 label = "Volume Up"; 106 label = "Volume Up";
107 linux,code = <115>; 107 linux,code = <115>;
108 channel = <0>; 108 channel = <0>;
109 voltage = <191274>; 109 voltage = <191274>;
110 }; 110 };
111 111
112 button-392 { 112 button-392 {
113 label = "Volume Down"; 113 label = "Volume Down";
114 linux,code = <114>; 114 linux,code = <114>;
115 channel = <0>; 115 channel = <0>;
116 voltage = <392644>; 116 voltage = <392644>;
117 }; 117 };
118 }; 118 };
119 119
120 ... 120 ...
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