8da313ad1b
Convert the dmic-codec binding to DT schema format. The '#sound-dai-cells' and 'sound-name-prefix' properties were not documented, but are in use, so add them. Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20221021175721.4005601-1-robh@kernel.org Signed-off-by: Mark Brown <broonie@kernel.org>
56 lines
1.1 KiB
YAML
56 lines
1.1 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/sound/dmic-codec.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Generic PDM Digital microphone (DMIC) codec
|
|
|
|
maintainers:
|
|
- Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
|
|
|
|
allOf:
|
|
- $ref: name-prefix.yaml#
|
|
|
|
properties:
|
|
compatible:
|
|
const: dmic-codec
|
|
|
|
'#sound-dai-cells':
|
|
const: 0
|
|
|
|
dmicen-gpios:
|
|
description: GPIO specifier for DMIC to control start and stop
|
|
maxItems: 1
|
|
|
|
num-channels:
|
|
description: Number of microphones on this DAI
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
minimum: 1
|
|
maximum: 8
|
|
default: 8
|
|
|
|
modeswitch-delay-ms:
|
|
description: Delay (in ms) to complete DMIC mode switch
|
|
|
|
wakeup-delay-ms:
|
|
description: Delay (in ms) after enabling the DMIC
|
|
|
|
required:
|
|
- compatible
|
|
|
|
unevaluatedProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/gpio/gpio.h>
|
|
|
|
dmic {
|
|
compatible = "dmic-codec";
|
|
dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
|
|
num-channels = <1>;
|
|
wakeup-delay-ms = <50>;
|
|
modeswitch-delay-ms = <35>;
|
|
};
|
|
...
|