Documentation/devicetree/bindings/sound/qcom,wcd938x-sdw.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/qcom,wcd938x-sdw.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Bindings for Qualcomm SoundWire Slave devices on WCD9380/WCD9385

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

description: |
  Qualcomm WCD9380/WCD9385 Codec is a standalone Hi-Fi audio codec IC.
  It has RX and TX Soundwire slave devices. This bindings is for the
  slave devices.

properties:
  compatible:
    const: sdw20217010d00

  reg:
    maxItems: 1

  qcom,tx-port-mapping:
    description: |
      Specifies static port mapping between slave and master tx ports.
      In the order of slave port index.
    $ref: /schemas/types.yaml#/definitions/uint32-array
    minItems: 4
    maxItems: 4

  qcom,rx-port-mapping:
    description: |
      Specifies static port mapping between slave and master rx ports.
      In the order of slave port index.
    $ref: /schemas/types.yaml#/definitions/uint32-array
    minItems: 5
    maxItems: 5

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    soundwire@3210000 {
        #address-cells = <2>;
        #size-cells = <0>;
        reg = <0x03210000 0x2000>;
        wcd938x_rx: codec@0,4 {
            compatible = "sdw20217010d00";
            reg  = <0 4>;
            qcom,rx-port-mapping = <1 2 3 4 5>;
        };
    };

    soundwire@3230000 {
        #address-cells = <2>;
        #size-cells = <0>;
        reg = <0x03230000 0x2000>;
        wcd938x_tx: codec@0,3 {
            compatible = "sdw20217010d00";
            reg  = <0 3>;
            qcom,tx-port-mapping = <2 3 4 5>;
        };
    };

...