wlf,wm8962.yaml

  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
  7title: Wolfson WM8962 Ultra-Low Power Stereo CODEC
  8
  9maintainers:
 10  - patches@opensource.cirrus.com
 11
 12allOf:
 13  - $ref: dai-common.yaml#
 14
 15properties:
 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
 81required:
 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
 93unevaluatedProperties: false
 94
 95examples:
 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 = <&reg_audio>;
108                  DBVDD-supply = <&reg_audio>;
109                  AVDD-supply = <&reg_audio>;
110                  CPVDD-supply = <&reg_audio>;
111                  MICVDD-supply = <&reg_audio>;
112                  PLLVDD-supply = <&reg_audio>;
113                  SPKVDD1-supply = <&reg_audio>;
114                  SPKVDD2-supply = <&reg_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    };