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