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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/cirrus,cs42l43.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logic CS42L43 Audio CODEC
+
+maintainers:
+ - patches@opensource.cirrus.com
+
+description: |
+ The CS42L43 is an audio CODEC with integrated MIPI SoundWire interface
+ (Version 1.2.1 compliant), I2C, SPI, and I2S/TDM interfaces designed
+ for portable applications. It provides a high dynamic range, stereo
+ DAC for headphone output, two integrated Class D amplifiers for
+ loudspeakers, and two ADCs for wired headset microphone input or
+ stereo line input. PDM inputs are provided for digital microphones.
+
+allOf:
+ - $ref: dai-common.yaml#
+
+properties:
+ compatible:
+ enum:
+ - cirrus,cs42l43
+
+ reg:
+ maxItems: 1
+
+ vdd-p-supply:
+ description:
+ Power supply for the high voltage interface.
+
+ vdd-a-supply:
+ description:
+ Power supply for internal analog circuits.
+
+ vdd-d-supply:
+ description:
+ Power supply for internal digital circuits. Can be internally supplied.
+
+ vdd-io-supply:
+ description:
+ Power supply for external interface and internal digital logic.
+
+ vdd-cp-supply:
+ description:
+ Power supply for the amplifier 3 and 4 charge pump.
+
+ vdd-amp-supply:
+ description:
+ Power supply for amplifier 1 and 2.
+
+ reset-gpios:
+ maxItems: 1
+
+ interrupt-controller: true
+
+ "#interrupt-cells":
+ const: 2
+
+ interrupts:
+ maxItems: 1
+
+ "#sound-dai-cells":
+ const: 1
+
+ clocks:
+ items:
+ - description: Synchronous audio clock provided on mclk_in.
+
+ clock-names:
+ const: mclk
+
+ cirrus,bias-low:
+ type: boolean
+ description:
+ Select a 1.8V headset micbias rather than 2.8V.
+
+ cirrus,bias-sense-microamp:
+ description:
+ Current at which the headset micbias sense clamp will engage, 0 to
+ disable.
+ enum: [ 0, 14, 24, 43, 52, 61, 71, 90, 99 ]
+ default: 14
+
+ cirrus,bias-ramp-ms:
+ description:
+ Time in milliseconds the hardware allows for the headset micbias to
+ ramp up.
+ enum: [ 10, 40, 90, 170 ]
+ default: 170
+
+ cirrus,detect-us:
+ description:
+ Time in microseconds the type detection will run for. Long values will
+ cause more audible effects, but give more accurate detection.
+ enum: [ 20, 100, 1000, 10000, 50000, 75000, 100000, 200000 ]
+ default: 1000
+
+ cirrus,button-automute:
+ type: boolean
+ description:
+ Enable the hardware automuting of decimator 1 when a headset button is
+ pressed.
+
+ cirrus,buttons-ohms:
+ description:
+ Impedance in Ohms for each headset button, these should be listed in
+ ascending order.
+ minItems: 1
+ maxItems: 6
+
+ cirrus,tip-debounce-ms:
+ description:
+ Software debounce on tip sense triggering in milliseconds.
+ default: 0
+
+ cirrus,tip-invert:
+ type: boolean
+ description:
+ Indicates tip detect polarity, inverted implies open-circuit whilst the
+ jack is inserted.
+
+ cirrus,tip-disable-pullup:
+ type: boolean
+ description:
+ Indicates if the internal pullup on the tip detect should be disabled.
+
+ cirrus,tip-fall-db-ms:
+ description:
+ Time in milliseconds a falling edge on the tip detect should be hardware
+ debounced for. Note the falling edge is considered after the invert.
+ enum: [ 0, 125, 250, 500, 750, 1000, 1250, 1500 ]
+ default: 500
+
+ cirrus,tip-rise-db-ms:
+ description:
+ Time in milliseconds a rising edge on the tip detect should be hardware
+ debounced for. Note the rising edge is considered after the invert.
+ enum: [ 0, 125, 250, 500, 750, 1000, 1250, 1500 ]
+ default: 500
+
+ cirrus,use-ring-sense:
+ type: boolean
+ description:
+ Indicates if the ring sense should be used.
+
+ cirrus,ring-invert:
+ type: boolean
+ description:
+ Indicates ring detect polarity, inverted implies open-circuit whilst the
+ jack is inserted.
+
+ cirrus,ring-disable-pullup:
+ type: boolean
+ description:
+ Indicates if the internal pullup on the ring detect should be disabled.
+
+ cirrus,ring-fall-db-ms:
+ description:
+ Time in milliseconds a falling edge on the ring detect should be hardware
+ debounced for. Note the falling edge is considered after the invert.
+ enum: [ 0, 125, 250, 500, 750, 1000, 1250, 1500 ]
+ default: 500
+
+ cirrus,ring-rise-db-ms:
+ description:
+ Time in milliseconds a rising edge on the ring detect should be hardware
+ debounced for. Note the rising edge is considered after the invert.
+ enum: [ 0, 125, 250, 500, 750, 1000, 1250, 1500 ]
+ default: 500
+
+ pinctrl:
+ type: object
+ $ref: /schemas/pinctrl/pinctrl.yaml#
+ additionalProperties: false
+
+ properties:
+ gpio-controller: true
+
+ "#gpio-cells":
+ const: 2
+
+ gpio-ranges:
+ items:
+ - description: A phandle to the CODEC pinctrl node
+ minimum: 0
+ - const: 0
+ - const: 0
+ - const: 3
+
+ patternProperties:
+ "-state$":
+ oneOf:
+ - $ref: "#/$defs/cirrus-cs42l43-state"
+ - patternProperties:
+ "-pins$":
+ $ref: "#/$defs/cirrus-cs42l43-state"
+ additionalProperties: false
+
+ spi:
+ type: object
+ $ref: /schemas/spi/spi-controller.yaml#
+ unevaluatedProperties: false
+
+$defs:
+ cirrus-cs42l43-state:
+ type: object
+
+ allOf:
+ - $ref: /schemas/pinctrl/pincfg-node.yaml#
+ - $ref: /schemas/pinctrl/pinmux-node.yaml#
+
+ oneOf:
+ - required: [ groups ]
+ - required: [ pins ]
+
+ additionalProperties: false
+
+ properties:
+ groups:
+ enum: [ gpio1, gpio2, gpio3, asp, pdmout2, pdmout1, i2c, spi ]
+
+ pins:
+ enum: [ gpio1, gpio2, gpio3,
+ asp_dout, asp_fsync, asp_bclk,
+ pdmout2_clk, pdmout2_data, pdmout1_clk, pdmout1_data,
+ i2c_sda, i2c_scl,
+ spi_miso, spi_sck, spi_ssb ]
+
+ function:
+ enum: [ gpio, spdif, irq, mic-shutter, spk-shutter ]
+
+ drive-strength:
+ description: Set drive strength in mA
+ enum: [ 1, 2, 4, 8, 9, 10, 12, 16 ]
+
+ input-debounce:
+ description: Set input debounce in uS
+ enum: [ 0, 85 ]
+
+required:
+ - compatible
+ - reg
+ - vdd-p-supply
+ - vdd-a-supply
+ - vdd-io-supply
+ - vdd-cp-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cs42l43: codec@1a {
+ compatible = "cirrus,cs42l43";
+ reg = <0x1a>;
+
+ vdd-p-supply = <&vdd5v0>;
+ vdd-a-supply = <&vdd1v8>;
+ vdd-io-supply = <&vdd1v8>;
+ vdd-cp-supply = <&vdd1v8>;
+ vdd-amp-supply = <&vdd5v0>;
+
+ reset-gpios = <&gpio 0>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gpio>;
+ interrupts = <56 IRQ_TYPE_LEVEL_LOW>;
+
+ #sound-dai-cells = <1>;
+
+ clocks = <&clks 0>;
+ clock-names = "mclk";
+
+ cs42l43_pins: pinctrl {
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&cs42l43_pins 0 0 3>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinsettings>;
+
+ pinsettings: default-state {
+ shutter-pins {
+ groups = "gpio3";
+ function = "mic-shutter";
+ };
+ };
+ };
+
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cs-gpios = <&cs42l43_pins 1 0>;
+
+ sensor@0 {
+ compatible = "bosch,bme680";
+ reg = <0>;
+ spi-max-frequency = <1400000>;
+ };
+ };
+ };
+ };