qcom,wcd934x.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/sound/qcom,wcd934x.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Bindings for Qualcomm WCD9340/WCD9341 Audio Codec
    8 
    9 maintainers:
   10   - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
   11 
   12 description: |
   13   Qualcomm WCD9340/WCD9341 Codec is a standalone Hi-Fi audio codec IC.
   14   It has in-built Soundwire controller, pin controller, interrupt mux and
   15   supports both I2S/I2C and SLIMbus audio interfaces.
   16 
   17 properties:
   18   compatible:
   19     const: slim217,250
   20 
   21   reg:
   22     maxItems: 1
   23 
   24   interrupts:
   25     maxItems: 1
   26 
   27   reset-gpios:
   28     description: GPIO spec for reset line to use
   29     maxItems: 1
   30 
   31   slim-ifc-dev: true
   32 
   33   clocks:
   34     maxItems: 1
   35 
   36   clock-names:
   37     const: extclk
   38 
   39   vdd-buck-supply:
   40     description: A reference to the 1.8V buck supply
   41 
   42   vdd-buck-sido-supply:
   43     description: A reference to the 1.8V SIDO buck supply
   44 
   45   vdd-rx-supply:
   46     description: A reference to the 1.8V rx supply
   47 
   48   vdd-tx-supply:
   49     description: A reference to the 1.8V tx supply
   50 
   51   vdd-vbat-supply:
   52     description: A reference to the vbat supply
   53 
   54   vdd-io-supply:
   55     description: A reference to the 1.8V I/O supply
   56 
   57   vdd-micbias-supply:
   58     description: A reference to the micbias supply
   59 
   60   qcom,micbias1-microvolt:
   61     description: micbias1 voltage
   62     minimum: 1800000
   63     maximum: 2850000
   64 
   65   qcom,micbias2-microvolt:
   66     description: micbias2 voltage
   67     minimum: 1800000
   68     maximum: 2850000
   69 
   70   qcom,micbias3-microvolt:
   71     description: micbias3 voltage
   72     minimum: 1800000
   73     maximum: 2850000
   74 
   75   qcom,micbias4-microvolt:
   76     description: micbias4 voltage
   77     minimum: 1800000
   78     maximum: 2850000
   79 
   80   qcom,hphl-jack-type-normally-closed:
   81     description: Indicates that HPHL jack switch type is normally closed
   82     type: boolean
   83 
   84   qcom,ground-jack-type-normally-closed:
   85     description: Indicates that Headset Ground switch type is normally closed
   86     type: boolean
   87 
   88   qcom,mbhc-headset-vthreshold-microvolt:
   89     description: Voltage threshold value for headset detection
   90     minimum: 0
   91     maximum: 2850000
   92 
   93   qcom,mbhc-headphone-vthreshold-microvolt:
   94     description: Voltage threshold value for headphone detection
   95     minimum: 0
   96     maximum: 2850000
   97 
   98   qcom,mbhc-buttons-vthreshold-microvolt:
   99     description:
  100       Array of 8 Voltage threshold values corresponding to headset
  101       button0 - button7
  102     minItems: 8
  103     maxItems: 8
  104 
  105   clock-output-names:
  106     const: mclk
  107 
  108   clock-frequency:
  109     description: Clock frequency of output clk in Hz
  110 
  111   interrupt-controller: true
  112 
  113   '#interrupt-cells':
  114     const: 1
  115 
  116   '#clock-cells':
  117     const: 0
  118 
  119   '#sound-dai-cells':
  120     const: 1
  121 
  122   "#address-cells":
  123     const: 1
  124 
  125   "#size-cells":
  126     const: 1
  127 
  128   gpio@42:
  129     type: object
  130     $ref: /schemas/gpio/qcom,wcd934x-gpio.yaml#
  131 
  132 patternProperties:
  133   "^.*@[0-9a-f]+$":
  134     type: object
  135     description: |
  136       WCD934x subnode for each slave devices. Bindings of each subnodes
  137       depends on the specific driver providing the functionality and
  138       documented in their respective bindings.
  139 
  140     properties:
  141       reg:
  142         maxItems: 1
  143 
  144     required:
  145       - reg
  146 
  147 required:
  148   - compatible
  149   - reg
  150   - reset-gpios
  151   - slim-ifc-dev
  152   - interrupts
  153   - interrupt-controller
  154   - clock-frequency
  155   - clock-output-names
  156   - qcom,micbias1-microvolt
  157   - qcom,micbias2-microvolt
  158   - qcom,micbias3-microvolt
  159   - qcom,micbias4-microvolt
  160   - "#interrupt-cells"
  161   - "#clock-cells"
  162   - "#sound-dai-cells"
  163   - "#address-cells"
  164   - "#size-cells"
  165 
  166 additionalProperties: false
  167 
  168 examples:
  169   - |
  170     codec@1,0{
  171         compatible = "slim217,250";
  172         reg  = <1 0>;
  173         reset-gpios = <&tlmm 64 0>;
  174         slim-ifc-dev  = <&wcd9340_ifd>;
  175         #sound-dai-cells = <1>;
  176         interrupt-parent = <&tlmm>;
  177         interrupts = <54 4>;
  178         interrupt-controller;
  179         #interrupt-cells = <1>;
  180         #clock-cells = <0>;
  181         clock-frequency = <9600000>;
  182         clock-output-names = "mclk";
  183         qcom,micbias1-microvolt = <1800000>;
  184         qcom,micbias2-microvolt = <1800000>;
  185         qcom,micbias3-microvolt = <1800000>;
  186         qcom,micbias4-microvolt = <1800000>;
  187         qcom,hphl-jack-type-normally-closed;
  188         qcom,ground-jack-type-normally-closed;
  189         qcom,mbhc-buttons-vthreshold-microvolt = <75000 150000 237000 500000 500000 500000 500000 500000>;
  190         qcom,mbhc-headset-vthreshold-microvolt = <1700000>;
  191         qcom,mbhc-headphone-vthreshold-microvolt = <50000>;
  192         clock-names = "extclk";
  193         clocks = <&rpmhcc 2>;
  194 
  195         #address-cells = <1>;
  196         #size-cells = <1>;
  197 
  198         gpio@42 {
  199             compatible = "qcom,wcd9340-gpio";
  200             reg = <0x42 0x2>;
  201             gpio-controller;
  202             #gpio-cells = <2>;
  203         };
  204     };
  205 
  206 ...

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