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# SPDX-License-Identifier: GPL-2.0-only
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/sgtl5000.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Freescale SGTL5000 Stereo Codec
maintainers:
- Fabio Estevam <festevam@gmail.com>
properties:
compatible:
const: fsl,sgtl5000
reg:
maxItems: 1
"#sound-dai-cells":
const: 0
assigned-clock-parents: true
assigned-clock-rates: true
assigned-clocks: true
clocks:
items:
- description: the clock provider of SYS_MCLK
VDDA-supply:
description: the regulator provider of VDDA
VDDIO-supply:
description: the regulator provider of VDDIO
VDDD-supply:
description: the regulator provider of VDDD
micbias-resistor-k-ohms:
description: The bias resistor to be used in kOhms. The resistor can take
values of 2k, 4k or 8k. If set to 0 it will be off. If this node is not
mentioned or if the value is unknown, then micbias resistor is set to
4k.
$ref: "/schemas/types.yaml#/definitions/uint32"
enum: [ 0, 2, 4, 8 ]
micbias-voltage-m-volts:
description: The bias voltage to be used in mVolts. The voltage can take
values from 1.25V to 3V by 250mV steps. If this node is not mentioned
or the value is unknown, then the value is set to 1.25V.
$ref: "/schemas/types.yaml#/definitions/uint32"
enum: [ 1250, 1500, 1750, 2000, 2250, 2500, 2750, 3000 ]
lrclk-strength:
description: |
The LRCLK pad strength. Possible values are: 0, 1, 2 and 3 as per the
table below:
VDDIO 1.8V 2.5V 3.3V
0 = Disable
1 = 1.66 mA 2.87 mA 4.02 mA
2 = 3.33 mA 5.74 mA 8.03 mA
3 = 4.99 mA 8.61 mA 12.05 mA
$ref: "/schemas/types.yaml#/definitions/uint32"
enum: [ 0, 1, 2, 3 ]
sclk-strength:
description: |
The SCLK pad strength. Possible values are: 0, 1, 2 and 3 as per the
table below:
VDDIO 1.8V 2.5V 3.3V
0 = Disable
1 = 1.66 mA 2.87 mA 4.02 mA
2 = 3.33 mA 5.74 mA 8.03 mA
3 = 4.99 mA 8.61 mA 12.05 mA
$ref: "/schemas/types.yaml#/definitions/uint32"
enum: [ 0, 1, 2, 3 ]
required:
- compatible
- reg
- "#sound-dai-cells"
- clocks
- VDDA-supply
- VDDIO-supply
additionalProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
codec@a {
compatible = "fsl,sgtl5000";
reg = <0x0a>;
#sound-dai-cells = <0>;
clocks = <&clks 150>;
micbias-resistor-k-ohms = <2>;
micbias-voltage-m-volts = <2250>;
VDDA-supply = <®_3p3v>;
VDDIO-supply = <®_3p3v>;
};
};
...
|
