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