ASoC: sgtl5000: Convert to json-schema
Convert the Freescale SGTL5000 device tree bindings from free-form text format to json-schema. Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://lore.kernel.org/r/20200608174658.1315325-1-thierry.reding@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
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Thierry Reding
Mark Brown
Родитель
b518202033
Коммит
c3061bc73f
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* Freescale SGTL5000 Stereo Codec
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Required properties:
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- compatible : "fsl,sgtl5000".
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- reg : the I2C address of the device
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- #sound-dai-cells: must be equal to 0
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- clocks : the clock provider of SYS_MCLK
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- VDDA-supply : the regulator provider of VDDA
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- VDDIO-supply: the regulator provider of VDDIO
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Optional properties:
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- VDDD-supply : the regulator provider of VDDD
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- micbias-resistor-k-ohms : the bias resistor to be used in kOhms
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The resistor can take values of 2k, 4k or 8k.
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If set to 0 it will be off.
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If this node is not mentioned or if the value is unknown, then
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micbias resistor is set to 4K.
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- micbias-voltage-m-volts : the bias voltage to be used in mVolts
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The voltage can take values from 1.25V to 3V by 250mV steps
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If this node is not mentioned or the value is unknown, then
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the value is set to 1.25V.
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- lrclk-strength: the LRCLK pad strength. Possible values are:
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0, 1, 2 and 3 as per the table below:
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VDDIO 1.8V 2.5V 3.3V
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0 = Disable
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1 = 1.66 mA 2.87 mA 4.02 mA
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2 = 3.33 mA 5.74 mA 8.03 mA
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3 = 4.99 mA 8.61 mA 12.05 mA
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- sclk-strength: the SCLK pad strength. Possible values are:
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0, 1, 2 and 3 as per the table below:
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VDDIO 1.8V 2.5V 3.3V
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0 = Disable
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1 = 1.66 mA 2.87 mA 4.02 mA
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2 = 3.33 mA 5.74 mA 8.03 mA
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3 = 4.99 mA 8.61 mA 12.05 mA
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Example:
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sgtl5000: codec@a {
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compatible = "fsl,sgtl5000";
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reg = <0x0a>;
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#sound-dai-cells = <0>;
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clocks = <&clks 150>;
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micbias-resistor-k-ohms = <2>;
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micbias-voltage-m-volts = <2250>;
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VDDA-supply = <®_3p3v>;
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VDDIO-supply = <®_3p3v>;
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};
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@ -0,0 +1,103 @@
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# SPDX-License-Identifier: GPL-2.0-only
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/sgtl5000.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Freescale SGTL5000 Stereo Codec
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maintainers:
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- Fabio Estevam <festevam@gmail.com>
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properties:
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compatible:
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const: fsl,sgtl5000
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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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clocks:
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items:
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- description: the clock provider of SYS_MCLK
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VDDA-supply:
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description: the regulator provider of VDDA
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VDDIO-supply:
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description: the regulator provider of VDDIO
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VDDD-supply:
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description: the regulator provider of VDDD
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micbias-resistor-k-ohms:
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description: The bias resistor to be used in kOhms. The resistor can take
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values of 2k, 4k or 8k. If set to 0 it will be off. If this node is not
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mentioned or if the value is unknown, then micbias resistor is set to
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4k.
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$ref: "/schemas/types.yaml#/definitions/uint32"
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enum: [ 0, 2, 4, 8 ]
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micbias-voltage-m-volts:
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description: The bias voltage to be used in mVolts. The voltage can take
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values from 1.25V to 3V by 250mV steps. If this node is not mentioned
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or the value is unknown, then the value is set to 1.25V.
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$ref: "/schemas/types.yaml#/definitions/uint32"
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enum: [ 1250, 1500, 1750, 2000, 2250, 2500, 2750, 3000 ]
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lrclk-strength:
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description: |
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The LRCLK pad strength. Possible values are: 0, 1, 2 and 3 as per the
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table below:
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VDDIO 1.8V 2.5V 3.3V
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0 = Disable
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1 = 1.66 mA 2.87 mA 4.02 mA
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2 = 3.33 mA 5.74 mA 8.03 mA
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3 = 4.99 mA 8.61 mA 12.05 mA
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$ref: "/schemas/types.yaml#/definitions/uint32"
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enum: [ 0, 1, 2, 3 ]
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sclk-strength:
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description: |
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The SCLK pad strength. Possible values are: 0, 1, 2 and 3 as per the
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table below:
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VDDIO 1.8V 2.5V 3.3V
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0 = Disable
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1 = 1.66 mA 2.87 mA 4.02 mA
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2 = 3.33 mA 5.74 mA 8.03 mA
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3 = 4.99 mA 8.61 mA 12.05 mA
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$ref: "/schemas/types.yaml#/definitions/uint32"
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enum: [ 0, 1, 2, 3 ]
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required:
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- compatible
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- reg
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- "#sound-dai-cells"
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- clocks
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- VDDA-supply
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- VDDIO-supply
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additionalProperties: false
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examples:
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- |
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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codec@a {
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compatible = "fsl,sgtl5000";
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reg = <0x0a>;
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#sound-dai-cells = <0>;
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clocks = <&clks 150>;
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micbias-resistor-k-ohms = <2>;
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micbias-voltage-m-volts = <2250>;
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VDDA-supply = <®_3p3v>;
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VDDIO-supply = <®_3p3v>;
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};
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};
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...
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@ -80,8 +80,6 @@ properties:
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- fsl,mpl3115
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# MPR121: Proximity Capacitive Touch Sensor Controller
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- fsl,mpr121
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# SGTL5000: Ultra Low-Power Audio Codec
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- fsl,sgtl5000
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# G751: Digital Temperature Sensor and Thermal Watchdog with Two-Wire Interface
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- gmt,g751
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# Infineon IR38064 Voltage Regulator
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