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ASoC: adau1977: convert text binding to yaml format
This change converts the old device-tree binding for ADAU1977 from text format to the new yaml format. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20201110084754.46756-1-alexandru.ardelean@analog.com Signed-off-by: Mark Brown <broonie@kernel.org>
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Alexandru Ardelean
Mark Brown
parent
4fb87241e5
commit
f077770b26
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Analog Devices ADAU1977/ADAU1978/ADAU1979
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Datasheets:
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https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1977.pdf
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https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1978.pdf
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https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1979.pdf
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This driver supports both the I2C and SPI bus.
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Required properties:
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- compatible: Should contain one of the following:
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"adi,adau1977"
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"adi,adau1978"
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"adi,adau1979"
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- AVDD-supply: analog power supply for the device, please consult
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Documentation/devicetree/bindings/regulator/regulator.txt
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Optional properties:
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- reset-gpios: the reset pin for the chip, for more details consult
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Documentation/devicetree/bindings/gpio/gpio.txt
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- DVDD-supply: supply voltage for the digital core, please consult
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Documentation/devicetree/bindings/regulator/regulator.txt
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- adi,micbias: configures the voltage setting for the MICBIAS pin.
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Select 0/1/2/3/4/5/6/7/8 to specify MICBIAS voltage
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5V/5.5V/6V/6.5V/7V/7.5V/8V/8.5V/9V
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If not specified the default value will be "7" meaning 8.5 Volts.
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This property is only valid for the ADAU1977
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For required properties on SPI, please consult
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Documentation/devicetree/bindings/spi/spi-bus.txt
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Required properties on I2C:
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- reg: The i2c address. Value depends on the state of ADDR0
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and ADDR1, as wired in hardware.
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Examples:
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adau1977_spi: adau1977@0 {
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compatible = "adi,adau1977";
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spi-max-frequency = <600000>;
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AVDD-supply = <®ulator>;
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DVDD-supply = <®ulator_digital>;
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adi,micbias = <3>;
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reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
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};
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adau1977_i2c: adau1977@11 {
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compatible = "adi,adau1977";
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reg = <0x11>;
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AVDD-supply = <®ulator>;
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DVDD-supply = <®ulator_digital>;
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reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
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};
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@ -0,0 +1,92 @@
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/adi,adau1977.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Analog Devices ADAU1977/ADAU1978/ADAU1979 Quad ADC with Diagnostics
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maintainers:
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- Lars-Peter Clausen <lars@metafoo.de>
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- Bogdan Togorean <bogdan.togorean@analog.com>
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description: |
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Analog Devices ADAU1977 and similar quad ADC with Diagnostics
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https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1977.pdf
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https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1978.pdf
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https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1979.pdf
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properties:
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compatible:
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enum:
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- adi,adau1977
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- adi,adau1978
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- adi,adau1979
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reg:
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maxItems: 1
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"#sound-dai-cells":
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const: 0
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reset-gpios:
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maxItems: 1
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spi-max-frequency: true
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AVDD-supply:
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description: Analog power support for the device.
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DVDD-supply:
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description: Supply voltage for digital core.
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adi,micbias:
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description: |
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Configures the voltage setting for the MICBIAS pin.
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [0, 1, 2, 3, 4, 5, 6, 7, 8]
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default: 7
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required:
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- reg
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- compatible
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- AVDD-supply
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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spi {
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#address-cells = <1>;
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#size-cells = <0>;
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adau1977_spi: adau1977@0 {
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compatible = "adi,adau1977";
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reg = <0>;
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spi-max-frequency = <600000>;
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AVDD-supply = <®ulator>;
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DVDD-supply = <®ulator_digital>;
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reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
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adi,micbias = <3>;
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};
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};
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- |
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#include <dt-bindings/gpio/gpio.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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adau1977_i2c: adau1977@11 {
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compatible = "adi,adau1977";
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reg = <0x11>;
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AVDD-supply = <®ulator>;
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DVDD-supply = <®ulator_digital>;
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reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
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};
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};
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