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@xxxxxxxxxx> --- .../bindings/sound/qcom,wcd934x.yaml | 169 ++++++++++++++++++ 1 file changed, 169 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..299d6b96c339 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml @@ -0,0 +1,169 @@ +# 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@xxxxxxxxxx> + +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 + 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-millivolt: + description: Voltage betwee 1800mv-2850mv for micbias1 output + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + + qcom,micbias2-millivolt: + description: Voltage betwee 1800mv-2850mv for micbias2 output + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + + qcom,micbias3-millivolt: + description: Voltage betwee 1800mv-2850mv for micbias3 output + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + + qcom,micbias4-millivolt: + description: Voltage betwee 1800mv-2850mv for micbias4 output + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + + clock-output-names: + const: mclk + + clock-frequency: + description: Clock frequency of output clk in Hz + + interrupt-controller: true + + '#interrupt-cells': + const: 1 + + '#clock-cells': + const: 0 + + '#sound-dai-cells': + const: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + +patternProperties: + "^.*@[0-9a-f]+$": + type: object + description: | + WCD934x subnode for each slave devices. Bindings of each subnodes + depends on the specific driver providing the functionality and + documented in there 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-millivolt + - qcom,micbias2-millivolt + - qcom,micbias3-millivolt + - qcom,micbias4-millivolt + - "#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-millivolt = <1800>; + qcom,micbias2-millivolt = <1800>; + qcom,micbias3-millivolt = <1800>; + qcom,micbias4-millivolt = <1800>; + clock-names = "extclk"; + clocks = <&rpmhcc 2>; + + #address-cells = <1>; + #size-cells = <1>; + + wcdpinctrl@42 { + reg = <0x42 0x2>; + }; + }; + +... -- 2.21.0
