The CS48L32 has multiple digital and analog audio I/O, a high-performance low-power programmable audio DSP, and a variety of power-efficient fixed-function audio processors, with digital mixing and routing. Signed-off-by: Richard Fitzgerald <rf@xxxxxxxxxxxxxxxxxxxxx> --- .../bindings/mfd/cirrus,cs48l32.yaml | 166 ++++++++++++++++++ 1 file changed, 166 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/cirrus,cs48l32.yaml diff --git a/Documentation/devicetree/bindings/mfd/cirrus,cs48l32.yaml b/Documentation/devicetree/bindings/mfd/cirrus,cs48l32.yaml new file mode 100644 index 000000000000..d128600c0b72 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/cirrus,cs48l32.yaml @@ -0,0 +1,166 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/cirrus,cs48l32.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cirrus Logic CS48L32 audio CODECs Multi-Functional Device + +maintainers: + - patches@xxxxxxxxxxxxxxxxxxxxx + +description: | + The CS48L32 is an audio SoC with extensive digital capabilities + and a range of digital and analogue I/O. + + See also the child driver bindings in: + + bindings/pinctrl/cirrus,cs48l32.yaml + bindings/regulator/wlf,arizona.yaml + bindings/sound/cirrus,cs48l32.yaml + +allOf: + - $ref: /schemas/pinctrl/cirrus,cs48l32.yaml# + - $ref: /schemas/regulator/wlf,arizona.yaml# + - $ref: /schemas/sound/cirrus,cs48l32.yaml# + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +properties: + compatible: + enum: + - cirrus,cs48l31 + - cirrus,cs48l32 + - cirrus,cs48l33 + + 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 + minItems: 1 + maxItems: 1 + + clock-names: + description: | + Must be "mclk1" + const: mclk1 + + VDD_A-supply: + description: + Analogue power supply. + + VDD_D-supply: + description: + Digital core power supply. + + VDD_IO-supply: + description: + Digital buffer (I/O) supply. + + VDD_CP-supply: + description: + Charge pump power supply. + + VOUT_MIC-supply: + description: + Microphone power supply, normally supplied internally. + + pinctrl-0: + description: + A phandle to the node containing the subnodes containing pinctrl + configurations. + + pinctrl-1: + description: + A phandle to the node containing the subnodes containing pinctrl + configurations. + + pinctrl-names: + items: + - const: init + - const: default + +required: + - compatible + - interrupt-parent + - interrupts + - VDD_A-supply + - VDD_D-supply + - VDD_IO-supply + - VDD_CP-supply + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/sound/cs48l32.h> + &spi1 { + cs48l32: cs48l32@1 { + compatible = "cirrus,cs48l32"; + reg = <0x1>; + + spi-max-frequency = <25000000>; + + interrupts = <56 8>; + interrupt-controller; + #interrupt-cells = <2>; + interrupt-parent = <&gpio0>; + gpio-controller; + #gpio-cells = <2>; + #sound-dai-cells = <1>; + + VDD_A-supply = <®ulator_1v8>; + VDD_D-supply = <&lochnagar_1v2>; + VDD_IO-supply = <®ulator_1v8>; + VDD_CP-supply = <®ulator_1v8>; + + reset-gpios = <&gpio 0 0>; + + pinctrl-names = "default"; + pinctrl-0 = <&cs48l32_defaults>; + + cs48l32_pinctrl: pinctrl { + compatible = "cirrus,cs48l32-pinctrl"; + + cs48l32_defaults: defaults { + asp1 { + groups = "asp1"; + function = "asp1"; + bias-bus-hold; + }; + asp2 { + groups = "asp2"; + function = "asp2"; + bias-bus-hold; + }; + }; + }; + }; -- 2.30.2
