On Thu, Nov 21, 2019 at 05:04:59PM +0000, Srinivas Kandagatla wrote: > 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 | 163 ++++++++++++++++++ > 1 file changed, 163 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..197a53bfa6cb > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml > @@ -0,0 +1,163 @@ > +# 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: 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: > + $ref: '/schemas/types.yaml#/definitions/uint32' Don't need a type here, standard units already have a type. > + description: micbias1 voltage between 1800000 - 2850000 microvolt Sounds like constraints: minimum: 1800000 maximum: 2850000 > + > + qcom,micbias2-microvolt: > + $ref: '/schemas/types.yaml#/definitions/uint32' > + description: micbias2 voltage between 1800000 - 2850000 microvolt > + > + qcom,micbias3-microvolt: > + $ref: '/schemas/types.yaml#/definitions/uint32' > + description: micbias3 voltage between 1800000 - 2850000 microvolt > + > + qcom,micbias4-microvolt: > + $ref: '/schemas/types.yaml#/definitions/uint32' > + description: micbias4 voltage between 1800000 - 2850000 microvolt > + > + clock-output-names: > + const: mclk > + > + clock-frequency: > + description: Clock frequency of output clk in Hz > + > + interrupt-controller: true > + > + '#interrupt-cells': > + const: 1 > + > + '#clock-cells': > + const: 0 > + > + '#sound-dai-cells': > + const: 1 > + > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 1 > + > +patternProperties: > + "^.*@[0-9a-f]+$": > + 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-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>; > + > + gpioctrl@42 { > + reg = <0x42 0x2>; > + }; > + }; > + > +... > -- > 2.21.0 > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
