Documentation / devicetree / bindings / sound / qcom,wcd934x.yaml


Based on kernel version 6.10. Page generated on 2024-07-16 09:00 EST.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/qcom,wcd934x.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm WCD9340/WCD9341 Audio Codec

maintainers:
  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

description: |
  Qualcomm WCD9340/WCD9341 Codec is a standalone Hi-Fi audio codec IC.
  It has in-built Soundwire controller, pin controller, interrupt mux and
  supports both I2S/I2C and SLIMbus audio interfaces.

properties:
  compatible:
    const: slim217,250

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  reset-gpios:
    description: GPIO spec for reset line to use
    maxItems: 1

  slim-ifc-dev:
    description: IFC device interface
    $ref: /schemas/types.yaml#/definitions/phandle

  clocks:
    maxItems: 1

  clock-names:
    const: extclk

  vdd-buck-supply:
    description: A reference to the 1.8V buck supply

  vdd-buck-sido-supply:
    description: A reference to the 1.8V SIDO buck supply

  vdd-rx-supply:
    description: A reference to the 1.8V rx supply

  vdd-tx-supply:
    description: A reference to the 1.8V tx supply

  vdd-vbat-supply:
    description: A reference to the vbat supply

  vdd-io-supply:
    description: A reference to the 1.8V I/O supply

  vdd-micbias-supply:
    description: A reference to the micbias supply

  qcom,micbias1-microvolt:
    description: micbias1 voltage
    minimum: 1800000
    maximum: 2850000

  qcom,micbias2-microvolt:
    description: micbias2 voltage
    minimum: 1800000
    maximum: 2850000

  qcom,micbias3-microvolt:
    description: micbias3 voltage
    minimum: 1800000
    maximum: 2850000

  qcom,micbias4-microvolt:
    description: micbias4 voltage
    minimum: 1800000
    maximum: 2850000

  qcom,hphl-jack-type-normally-closed:
    description: Indicates that HPHL jack switch type is normally closed
    type: boolean

  qcom,ground-jack-type-normally-closed:
    description: Indicates that Headset Ground switch type is normally closed
    type: boolean

  qcom,mbhc-headset-vthreshold-microvolt:
    description: Voltage threshold value for headset detection
    minimum: 0
    maximum: 2850000

  qcom,mbhc-headphone-vthreshold-microvolt:
    description: Voltage threshold value for headphone detection
    minimum: 0
    maximum: 2850000

  qcom,mbhc-buttons-vthreshold-microvolt:
    description:
      Array of 8 Voltage threshold values corresponding to headset
      button0 - button7
    minItems: 8
    maxItems: 8

  clock-output-names:
    const: mclk

  clock-frequency:
    description: Clock frequency of output clk in Hz

  interrupt-controller: true
 
  '#interrupt-cells':
    const: 1
 
  '#clock-cells':
    const: 0
 
  '#sound-dai-cells':
    const: 1
 
  "#address-cells":
    const: 1
 
  "#size-cells":
    const: 1

  gpio@42:
    type: object
    $ref: /schemas/gpio/qcom,wcd934x-gpio.yaml#

patternProperties:
  "^.*@[0-9a-f]+$":
    type: object
    additionalProperties: true
    description: |
      WCD934x subnode for each slave devices. Bindings of each subnodes
      depends on the specific driver providing the functionality and
      documented in their respective bindings.

    properties:
      reg:
        maxItems: 1

    required:
      - reg

required:
  - compatible
  - reg

allOf:
  - $ref: dai-common.yaml#
  - if:
      required:
        - slim-ifc-dev
    then:
      required:
        - reset-gpios
        - slim-ifc-dev
        - interrupt-controller
        - clock-frequency
        - clock-output-names
        - qcom,micbias1-microvolt
        - qcom,micbias2-microvolt
        - qcom,micbias3-microvolt
        - qcom,micbias4-microvolt
        - "#interrupt-cells"
        - "#clock-cells"
        - "#sound-dai-cells"
        - "#address-cells"
        - "#size-cells"
      oneOf:
        - required:
            - interrupts-extended
        - required:
            - interrupts
    else:
      properties:
        reset-gpios: false
        slim-ifc-dev: false
        interrupts: false
        interrupt-controller: false
        clock-frequency: false
        clock-output-names: false
        qcom,micbias1-microvolt: false
        qcom,micbias2-microvolt: false
        qcom,micbias3-microvolt: false
        qcom,micbias4-microvolt: false
        "#interrupt-cells": false
        "#clock-cells": false
        "#sound-dai-cells": false
        "#address-cells": false
        "#size-cells": false

additionalProperties: false

examples:
  - |
    codec@1,0{
        compatible = "slim217,250";
        reg = <1 0>;
        reset-gpios = <&tlmm 64 0>;
        slim-ifc-dev = <&wcd9340_ifd>;
        #sound-dai-cells = <1>;
        interrupt-parent = <&tlmm>;
        interrupts = <54 4>;
        interrupt-controller;
        #interrupt-cells = <1>;
        #clock-cells = <0>;
        clock-frequency = <9600000>;
        clock-output-names = "mclk";
        qcom,micbias1-microvolt = <1800000>;
        qcom,micbias2-microvolt = <1800000>;
        qcom,micbias3-microvolt = <1800000>;
        qcom,micbias4-microvolt = <1800000>;
        qcom,hphl-jack-type-normally-closed;
        qcom,ground-jack-type-normally-closed;
        qcom,mbhc-buttons-vthreshold-microvolt = <75000 150000 237000 500000 500000 500000 500000 500000>;
        qcom,mbhc-headset-vthreshold-microvolt = <1700000>;
        qcom,mbhc-headphone-vthreshold-microvolt = <50000>;
        clock-names = "extclk";
        clocks = <&rpmhcc 2>;
 
        #address-cells = <1>;
        #size-cells = <1>;
 
        gpio@42 {
            compatible = "qcom,wcd9340-gpio";
            reg = <0x42 0x2>;
            gpio-controller;
            #gpio-cells = <2>;
        };
    };

...