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Subject[PATCH v6 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>
Reviewed-by: Rob Herring <robh@kernel.org>
---
.../bindings/sound/qcom,wcd934x.yaml | 175 ++++++++++++++++++
1 file changed, 175 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..38eaf0c028f9
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml
@@ -0,0 +1,175 @@
+# 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: true
+
+ 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-microvolt:
+ description: micbias1 voltage
+ minimum: 1800000
+ maximum: 2850000
+
+ qcom,micbias2-microvolt:
+ description: micbias2 voltage
+ minimum: 1800000
+ maximum: 2850000
+
+ qcom,micbias3-microvolt:
+ description: micbias3 voltage
+ minimum: 1800000
+ maximum: 2850000
+
+ qcom,micbias4-microvolt:
+ description: micbias4 voltage
+ minimum: 1800000
+ maximum: 2850000
+
+ 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
+
+ gpio@42:
+ type: object
+ allOf:
+ - $ref: ../gpio/qcom,wcd934x-gpio.yaml#
+
+patternProperties:
+ "^.*@[0-9a-f]+$":
+ 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-microvolt
+ - qcom,micbias2-microvolt
+ - qcom,micbias3-microvolt
+ - qcom,micbias4-microvolt
+ - "#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-microvolt = <1800000>;
+ qcom,micbias2-microvolt = <1800000>;
+ qcom,micbias3-microvolt = <1800000>;
+ qcom,micbias4-microvolt = <1800000>;
+ clock-names = "extclk";
+ clocks = <&rpmhcc 2>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ gpio@42 {
+ compatible = "qcom,wcd9340-gpio";
+ reg = <0x42 0x2>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+ };
+
+...
--
2.21.0
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