ASoC: dt-bindings: add dt bindings for WCD9340/WCD9341 audio codec
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> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20191219103153.14875-2-srinivas.kandagatla@linaro.org Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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Srinivas Kandagatla
Mark Brown
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/qcom,wcd934x.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Bindings for Qualcomm WCD9340/WCD9341 Audio Codec
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maintainers:
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- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
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description: |
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Qualcomm WCD9340/WCD9341 Codec is a standalone Hi-Fi audio codec IC.
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It has in-built Soundwire controller, pin controller, interrupt mux and
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supports both I2S/I2C and SLIMbus audio interfaces.
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properties:
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compatible:
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const: slim217,250
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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reset-gpios:
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description: GPIO spec for reset line to use
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maxItems: 1
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slim-ifc-dev: true
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clocks:
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maxItems: 1
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clock-names:
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const: extclk
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vdd-buck-supply:
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description: A reference to the 1.8V buck supply
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vdd-buck-sido-supply:
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description: A reference to the 1.8V SIDO buck supply
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vdd-rx-supply:
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description: A reference to the 1.8V rx supply
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vdd-tx-supply:
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description: A reference to the 1.8V tx supply
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vdd-vbat-supply:
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description: A reference to the vbat supply
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vdd-io-supply:
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description: A reference to the 1.8V I/O supply
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vdd-micbias-supply:
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description: A reference to the micbias supply
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qcom,micbias1-microvolt:
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description: micbias1 voltage
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minimum: 1800000
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maximum: 2850000
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qcom,micbias2-microvolt:
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description: micbias2 voltage
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minimum: 1800000
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maximum: 2850000
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qcom,micbias3-microvolt:
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description: micbias3 voltage
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minimum: 1800000
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maximum: 2850000
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qcom,micbias4-microvolt:
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description: micbias4 voltage
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minimum: 1800000
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maximum: 2850000
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clock-output-names:
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const: mclk
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clock-frequency:
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description: Clock frequency of output clk in Hz
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interrupt-controller: true
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'#interrupt-cells':
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const: 1
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'#clock-cells':
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const: 0
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'#sound-dai-cells':
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const: 1
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"#address-cells":
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const: 1
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"#size-cells":
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const: 1
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gpio@42:
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type: object
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allOf:
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- $ref: ../gpio/qcom,wcd934x-gpio.yaml#
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patternProperties:
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"^.*@[0-9a-f]+$":
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type: object
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description: |
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WCD934x subnode for each slave devices. Bindings of each subnodes
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depends on the specific driver providing the functionality and
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documented in their respective bindings.
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properties:
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reg:
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maxItems: 1
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required:
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- reg
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required:
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- compatible
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- reg
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- reset-gpios
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- slim-ifc-dev
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- interrupts
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- interrupt-controller
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- clock-frequency
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- clock-output-names
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- qcom,micbias1-microvolt
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- qcom,micbias2-microvolt
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- qcom,micbias3-microvolt
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- qcom,micbias4-microvolt
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- "#interrupt-cells"
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- "#clock-cells"
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- "#sound-dai-cells"
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- "#address-cells"
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- "#size-cells"
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examples:
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- |
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codec@1,0{
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compatible = "slim217,250";
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reg = <1 0>;
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reset-gpios = <&tlmm 64 0>;
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slim-ifc-dev = <&wcd9340_ifd>;
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#sound-dai-cells = <1>;
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interrupt-parent = <&tlmm>;
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interrupts = <54 4>;
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interrupt-controller;
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#interrupt-cells = <1>;
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#clock-cells = <0>;
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clock-frequency = <9600000>;
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clock-output-names = "mclk";
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qcom,micbias1-microvolt = <1800000>;
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qcom,micbias2-microvolt = <1800000>;
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qcom,micbias3-microvolt = <1800000>;
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qcom,micbias4-microvolt = <1800000>;
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clock-names = "extclk";
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clocks = <&rpmhcc 2>;
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#address-cells = <1>;
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#size-cells = <1>;
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gpio@42 {
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compatible = "qcom,wcd9340-gpio";
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reg = <0x42 0x2>;
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gpio-controller;
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#gpio-cells = <2>;
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};
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};
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...
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