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    Subject[PATCH v3 01/11] ASoC: dt-bindings: add dt bindings for WCD9340/WCD9341 audio codec
    Date
    This patch adds bindings for wcd9340/wcd9341 audio codec which can
    support both SLIMbus and I2S/I2C interface.

    Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
    ---
    .../bindings/sound/qcom,wcd934x.yaml | 162 ++++++++++++++++++
    1 file changed, 162 insertions(+)
    create mode 100644 Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml

    diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml
    new file mode 100644
    index 000000000000..d6cfde6597db
    --- /dev/null
    +++ b/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml
    @@ -0,0 +1,162 @@
    +# 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: Bindings for 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: SLIMBus Interface device phandle
    + $ref: '/schemas/types.yaml#/definitions/phandle'
    + maxItems: 1
    +
    + clocks:
    + maxItems: 1
    +
    + clock-names:
    + const: extclk
    +
    + vdd-buck-supply:
    + description: A reference to the 1.8V buck supply
    +
    + vdd-buck-sido-supply:
    + description: A reference to the 1.8V SIDO buck supply
    +
    + vdd-rx-supply:
    + description: A reference to the 1.8V rx supply
    +
    + vdd-tx-supply:
    + description: A reference to the 1.8V tx supply
    +
    + vdd-vbat-supply:
    + description: A reference to the vbat supply
    +
    + vdd-io-supply:
    + description: A reference to the 1.8V I/O supply
    +
    + vdd-micbias-supply:
    + description: A reference to the micbias supply
    +
    + qcom,micbias1-microvolts:
    + description: micbias1 voltage between 1800000 - 2850000 microvolts
    +
    + qcom,micbias2-microvolts:
    + description: micbias2 voltage between 1800000 - 2850000 microvolts
    +
    + qcom,micbias3-microvolts:
    + description: micbias3 voltage between 1800000 - 2850000 microvolts
    +
    + qcom,micbias4-microvolts:
    + description: micbias4 voltage between 1800000 - 2850000 microvolts
    +
    + clock-output-names:
    + const: mclk
    +
    + clock-frequency:
    + description: Clock frequency of output clk in Hz
    +
    + interrupt-controller: true
    +
    + '#interrupt-cells':
    + const: 1
    +
    + '#clock-cells':
    + const: 0
    +
    + '#sound-dai-cells':
    + const: 1
    +
    + "#address-cells":
    + const: 1
    +
    + "#size-cells":
    + const: 1
    +
    +patternProperties:
    + "^.*@[0-9a-f]+$":
    + type: object
    + 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
    + - reset-gpios
    + - slim-ifc-dev
    + - interrupts
    + - interrupt-controller
    + - clock-frequency
    + - clock-output-names
    + - qcom,micbias1-microvolts
    + - qcom,micbias2-microvolts
    + - qcom,micbias3-microvolts
    + - qcom,micbias4-microvolts
    + - "#interrupt-cells"
    + - "#clock-cells"
    + - "#sound-dai-cells"
    + - "#address-cells"
    + - "#size-cells"
    +
    +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-microvolts = <1800000>;
    + qcom,micbias2-microvolts = <1800000>;
    + qcom,micbias3-microvolts = <1800000>;
    + qcom,micbias4-microvolts = <1800000>;
    + clock-names = "extclk";
    + clocks = <&rpmhcc 2>;
    +
    + #address-cells = <1>;
    + #size-cells = <1>;
    +
    + pinctrl@42 {
    + reg = <0x42 0x2>;
    + };
    + };
    +
    +...
    --
    2.21.0
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