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,wm8960.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Wolfson WM8960 audio codec
8
9 maintainers:
10 - patches@opensource.cirrus.com
11
12 properties:
13 compatible:
14 const: wlf,wm8960
15
16 reg:
17 maxItems: 1
18
19 clocks:
20 maxItems: 1
21
22 clock-names:
23 items:
24 - const: mclk
25
26 '#sound-dai-cells':
27 const: 0
28
29 AVDD-supply:
30 description: Analogue supply.
31
32 DBVDD-supply:
33 description: Digital Buffer Supply.
34
35 DCVDD-supply:
36 description: Digital Core Supply.
37
38 SPKVDD1-supply:
39 description: Supply for speaker drivers 1.
40
41 SPKVDD2-supply:
42 description: Supply for speaker drivers 2.
43
44 wlf,capless:
45 type: boolean
46 description:
47 If present, OUT3 pin will be enabled and disabled together with HP_L and
48 HP_R pins in response to jack detect events.
49
50 wlf,gpio-cfg:
51 $ref: /schemas/types.yaml#/definitions/uint32-array
52 maxItems: 2
53 description: |
54 A list of GPIO configuration register values.
55 - gpio-cfg[0]: ALRCGPIO of R9 (Audio interface)
56 - gpio-cfg[1]: {GPIOPOL:GPIOSEL[2:0]} of R48 (Additional Control 4).
57
58 wlf,hp-cfg:
59 $ref: /schemas/types.yaml#/definitions/uint32-array
60 maxItems: 3
61 description: |
62 A list of headphone jack detect configuration register values:
63 - hp-cfg[0]: HPSEL[1:0] of R48 (Additional Control 4).
64 - hp-cfg[1]: {HPSWEN:HPSWPOL} of R24 (Additional Control 2).
65 - hp-cfg[2]: {TOCLKSEL:TOEN} of R23 (Additional Control 1).
66
67 wlf,shared-lrclk:
68 type: boolean
69 description:
70 If present, the LRCM bit of R24 (Additional control 2) gets set,
71 indicating that ADCLRC and DACLRC pins will be disabled only when ADC
72 (Left and Right) and DAC (Left and Right) are disabled.
73 When WM8960 works on synchronize mode and DACLRC pin is used to supply
74 frame clock, it will no frame clock for captrue unless enable DAC to
75 enable DACLRC pin. If shared-lrclk is present, no need to enable DAC for
76 captrue.
77
78 required:
79 - compatible
80 - reg
81
82 allOf:
83 - $ref: dai-common.yaml#
84
85 unevaluatedProperties: false
86
87 examples:
88 - |
89 i2c {
90 #address-cells = <1>;
91 #size-cells = <0>;
92
93 audio-codec@1a {
94 compatible = "wlf,wm8960";
95 reg = <0x1a>;
96 clocks = <&clks 0>;
97 clock-names = "mclk";
98 #sound-dai-cells = <0>;
99 wlf,hp-cfg = <3 2 3>;
100 wlf,gpio-cfg = <1 3>;
101 wlf,shared-lrclk;
102 DCVDD-supply = <®_audio>;
103 DBVDD-supply = <®_audio>;
104 AVDD-supply = <®_audio>;
105 SPKVDD1-supply = <®_audio>;
106 SPKVDD2-supply = <®_audio>;
107 };
108 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.