1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/wlf,wm8962.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Wolfson WM8962 Ultra-Low Power Stereo CODEC
8
9 maintainers:
10 - patches@opensource.cirrus.com
11
12 allOf:
13 - $ref: dai-common.yaml#
14
15 properties:
16 compatible:
17 const: wlf,wm8962
18
19 reg:
20 maxItems: 1
21
22 clocks:
23 maxItems: 1
24
25 interrupts:
26 maxItems: 1
27
28 "#sound-dai-cells":
29 const: 0
30
31 AVDD-supply:
32 description: Analogue supply.
33
34 CPVDD-supply:
35 description: Charge pump power supply.
36
37 DBVDD-supply:
38 description: Digital Buffer Supply.
39
40 DCVDD-supply:
41 description: Digital Core Supply.
42
43 MICVDD-supply:
44 description: Microphone bias amp supply.
45
46 PLLVDD-supply:
47 description: PLL Supply
48
49 SPKVDD1-supply:
50 description: Supply for left speaker drivers.
51
52 SPKVDD2-supply:
53 description: Supply for right speaker drivers.
54
55 spk-mono:
56 $ref: /schemas/types.yaml#/definitions/flag
57 description:
58 If present, the SPK_MONO bit of R51 (Class D Control 2) gets set,
59 indicating that the speaker is in mono mode.
60
61 mic-cfg:
62 $ref: /schemas/types.yaml#/definitions/uint32
63 description:
64 Default register value for R48 (Additional Control 4).
65 If absent, the default should be the register default.
66
67 gpio-cfg:
68 $ref: /schemas/types.yaml#/definitions/uint32-array
69 minItems: 6
70 maxItems: 6
71 description:
72 A list of GPIO configuration register values. If absent, no
73 configuration of these registers is performed. Note that only values
74 within [0x0, 0xffff] are valid. Any other value is regarded as setting
75 the GPIO register to its reset value 0x0.
76
77 port:
78 $ref: audio-graph-port.yaml#
79 unevaluatedProperties: false
80
81 required:
82 - compatible
83 - reg
84 - AVDD-supply
85 - CPVDD-supply
86 - DBVDD-supply
87 - DCVDD-supply
88 - MICVDD-supply
89 - PLLVDD-supply
90 - SPKVDD1-supply
91 - SPKVDD2-supply
92
93 unevaluatedProperties: false
94
95 examples:
96 - |
97 #include <dt-bindings/clock/imx6qdl-clock.h>
98
99 i2c {
100 #address-cells = <1>;
101 #size-cells = <0>;
102
103 wm8962: codec@1a {
104 compatible = "wlf,wm8962";
105 reg = <0x1a>;
106 clocks = <&clks IMX6QDL_CLK_CKO>;
107 DCVDD-supply = <®_audio>;
108 DBVDD-supply = <®_audio>;
109 AVDD-supply = <®_audio>;
110 CPVDD-supply = <®_audio>;
111 MICVDD-supply = <®_audio>;
112 PLLVDD-supply = <®_audio>;
113 SPKVDD1-supply = <®_audio>;
114 SPKVDD2-supply = <®_audio>;
115 gpio-cfg = <
116 0x0000 /* 0:Default */
117 0x0000 /* 1:Default */
118 0x0013 /* 2:FN_DMICCLK */
119 0x0000 /* 3:Default */
120 0x8014 /* 4:FN_DMICCDAT */
121 0x0000 /* 5:Default */
122 >;
123 };
124 };
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