Documentation/devicetree/bindings/sound/qcom,wcd937x.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/qcom,wcd937x.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm WCD9370/WCD9375 Audio Codec
   8
   9 maintainers:
  10   - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
  11
  12 description:
  13   Qualcomm WCD9370/WCD9375 Codec is a standalone Hi-Fi audio codec IC.
  14   It has RX and TX Soundwire slave devices.
  15
  16 allOf:
  17   - $ref: dai-common.yaml#
  18   - $ref: qcom,wcd93xx-common.yaml#
  19
  20 properties:
  21   compatible:
  22     oneOf:
  23       - const: qcom,wcd9370-codec
  24       - items:
  25           - const: qcom,wcd9375-codec
  26           - const: qcom,wcd9370-codec
  27
  28   vdd-px-supply:
  29     description: A reference to the 1.8V I/O supply
  30
  31 required:
  32   - compatible
  33   - vdd-px-supply
  34
  35 unevaluatedProperties: false
  36
  37 examples:
  38   - |
  39     #include <dt-bindings/gpio/gpio.h>
  40     codec {
  41         compatible = "qcom,wcd9370-codec";
  42         pinctrl-names = "default", "sleep";
  43         pinctrl-0 = <&wcd_reset_n>;
  44         pinctrl-1 = <&wcd_reset_n_sleep>;
  45         reset-gpios = <&tlmm 83 GPIO_ACTIVE_LOW>;
  46         vdd-buck-supply = <&vreg_l17b_1p8>;
  47         vdd-rxtx-supply = <&vreg_l18b_1p8>;
  48         vdd-px-supply = <&vreg_l18b_1p8>;
  49         vdd-mic-bias-supply = <&vreg_bob>;
  50         qcom,micbias1-microvolt = <1800000>;
  51         qcom,micbias2-microvolt = <1800000>;
  52         qcom,micbias3-microvolt = <1800000>;
  53         qcom,micbias4-microvolt = <1800000>;
  54         qcom,rx-device = <&wcd937x_rx>;
  55         qcom,tx-device = <&wcd937x_tx>;
  56         #sound-dai-cells = <1>;
  57     };
  58
  59     /* ... */
  60
  61     soundwire@3210000 {
  62         reg = <0x03210000 0x2000>;
  63         #address-cells = <2>;
  64         #size-cells = <0>;
  65         wcd937x_rx: codec@0,4 {
  66             compatible = "sdw20217010a00";
  67             reg = <0 4>;
  68             qcom,rx-port-mapping = <1 2 3 4 5>;
  69         };
  70     };
  71
  72     soundwire@3230000 {
  73         reg = <0x03230000 0x2000>;
  74         #address-cells = <2>;
  75         #size-cells = <0>;
  76         wcd937x_tx: codec@0,3 {
  77             compatible = "sdw20217010a00";
  78             reg = <0 3>;
  79             qcom,tx-port-mapping = <1 2 3 4>;
  80         };
  81     };
  82 ...