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Diffstat (limited to 'Documentation/devicetree/bindings/mfd/cirrus,madera.yaml')
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diff --git a/Documentation/devicetree/bindings/mfd/cirrus,madera.yaml b/Documentation/devicetree/bindings/mfd/cirrus,madera.yaml new file mode 100644 index 000000000000..68c75a517c92 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/cirrus,madera.yaml @@ -0,0 +1,297 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/cirrus,madera.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cirrus Logic Madera class audio CODECs Multi-Functional Device + +maintainers: + - patches@opensource.cirrus.com + +description: | + These devices are audio SoCs with extensive digital capabilities and a range + of analogue I/O. + + See also the child driver bindings in: + + bindings/pinctrl/cirrus,madera.yaml + bindings/regulator/wlf,arizona.yaml + bindings/sound/cirrus,madera.yaml + +allOf: + - $ref: /schemas/pinctrl/cirrus,madera.yaml# + - $ref: /schemas/regulator/wlf,arizona.yaml# + - $ref: /schemas/sound/cirrus,madera.yaml# + - if: + properties: + compatible: + contains: + enum: + - cirrus,cs47l85 + - wlf,wm1840 + then: + properties: + SPKVDDL-supply: + description: + Left speaker driver power supply. + + SPKVDDR-supply: + description: + Right speaker driver power supply. + + required: + - SPKVDDL-supply + - SPKVDDR-supply + else: + required: + - DCVDD-supply + - if: + properties: + compatible: + contains: + enum: + - cirrus,cs47l15 + - cirrus,cs47l35 + then: + properties: + SPKVDD-supply: + description: + Mono speaker driver power supply. + + required: + - SPKVDD-supply + - if: + properties: + compatible: + contains: + enum: + - cirrus,cs47l35 + - cirrus,cs47l85 + - cirrus,cs47l90 + - cirrus,cs47l91 + - wlf,wm1840 + then: + properties: + DBVDD2-supply: + description: + Databus power supply. + + required: + - DBVDD2-supply + - if: + properties: + compatible: + contains: + enum: + - cirrus,cs47l85 + - cirrus,cs47l90 + - cirrus,cs47l91 + - wlf,wm1840 + then: + properties: + DBVDD3-supply: + description: + Databus power supply. + + DBVDD4-supply: + description: + Databus power supply. + - if: + properties: + compatible: + contains: + enum: + - cirrus,cs47l15 + then: + required: + - MICVDD-supply + else: + properties: + CPVDD2-supply: + description: + Secondary charge pump power supply. + + required: + - CPVDD2-supply + +properties: + compatible: + enum: + - cirrus,cs47l15 + - cirrus,cs47l35 + - cirrus,cs47l85 + - cirrus,cs47l90 + - cirrus,cs47l91 + - cirrus,cs42l92 + - cirrus,cs47l92 + - cirrus,cs47l93 + - cirrus,wm1840 + + reg: + maxItems: 1 + + gpio-controller: true + + '#gpio-cells': + description: + The first cell is the pin number. The second cell is reserved for + future use and must be zero + const: 2 + + interrupt-controller: true + + '#interrupt-cells': + description: + The first cell is the IRQ number. + The second cell is the flags, encoded as the trigger masks from + bindings/interrupt-controller/interrupts.txt + const: 2 + + interrupts: + maxItems: 1 + + reset-gpios: + description: + One entry specifying the GPIO controlling /RESET. As defined in + bindings/gpio.txt. Although optional, it is strongly recommended + to use a hardware reset. + maxItems: 1 + + clocks: + description: + Should reference the clocks supplied on MCLK1, MCLK2 and MCLK3. + minItems: 1 + maxItems: 3 + + clock-names: + description: | + May contain up to three strings: + "mclk1" For the clock supplied on MCLK1, recommended to be a + high quality audio reference clock. + "mclk2" For the clock supplied on MCLK2, required to be an + always on 32k clock. + "mclk3" For the clock supplied on MCLK3. + oneOf: + - items: + - const: mclk1 + - items: + - const: mclk2 + - items: + - const: mclk3 + - items: + - const: mclk1 + - const: mclk2 + - items: + - const: mclk1 + - const: mclk3 + - items: + - const: mclk2 + - const: mclk3 + - items: + - const: mclk1 + - const: mclk2 + - const: mclk3 + + AVDD-supply: + description: + Analogue power supply. + + DBVDD1-supply: + description: + Databus power supply. + + CPVDD1-supply: + description: + Charge pump power supply. + + DCVDD-supply: + description: + Digital power supply, optional on CS47L85, WM1840 where it can + be supplied internally. + + MICVDD-supply: + description: + Microphone power supply, normally supplied internally except on + cs47l24, wm1831 where it is mandatory. + +required: + - compatible + - gpio-controller + - '#gpio-cells' + - interrupt-controller + - '#interrupt-cells' + - interrupts + - AVDD-supply + - DBVDD1-supply + - CPVDD1-supply + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/sound/madera.h> + i2c@e0004000 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0xe0004000 0x1000>; + + cs47l85: codec@1a { + compatible = "cirrus,cs47l85"; + reg = <0x1a>; + + reset-gpios = <&gpio 0>; + wlf,ldoena = <&gpio 1>; + + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <4 1 0>; + + gpio-controller; + #gpio-cells = <2>; + + AVDD-supply = <&vdd1v8>; + DBVDD1-supply = <&vdd1v8>; + DBVDD2-supply = <&vdd1v8>; + DBVDD3-supply = <&vdd1v8>; + DBVDD4-supply = <&vdd1v8>; + CPVDD1-supply = <&vdd1v8>; + CPVDD2-supply = <&vdd1v2>; + SPKVDDL-supply = <&vdd5v>; + SPKVDDR-supply = <&vdd5v>; + + clocks = <&clks 0>, <&clks 1>, <&clks 2>; + clock-names = "mclk1", "mclk2", "mclk3"; + + cirrus,dmic-ref = <0 0 MADERA_DMIC_REF_MICBIAS1>; + cirrus,inmode = < + MADERA_INMODE_SE MADERA_INMODE_SE + MADERA_INMODE_SE MADERA_INMODE_SE + MADERA_INMODE_DIFF MADERA_INMODE_DIFF + >; + cirrus,max-channels-clocked = <2 0 0>; + + pinctrl-names = "default"; + pinctrl-0 = <&pinsettings>; + + pinsettings: pin-settings { + aif1-pins { + groups = "aif1"; + function = "aif1"; + bias-bus-hold; + }; + + aif2-pins { + groups = "aif2"; + function = "aif2"; + bias-bus-hold; + }; + + aif3-pins { + groups = "aif3"; + function = "aif3"; + bias-bus-hold; + }; + }; + }; + }; |