Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
59 lines
1.2 KiB
YAML
59 lines
1.2 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/dmic-codec.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Generic PDM Digital microphone (DMIC) codec
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maintainers:
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- Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
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allOf:
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- $ref: dai-common.yaml#
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properties:
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compatible:
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const: dmic-codec
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'#sound-dai-cells':
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const: 0
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vref-supply:
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description: Phandle to the digital microphone reference supply
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dmicen-gpios:
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description: GPIO specifier for DMIC to control start and stop
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maxItems: 1
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num-channels:
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description: Number of microphones on this DAI
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 1
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maximum: 8
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default: 8
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modeswitch-delay-ms:
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description: Delay (in ms) to complete DMIC mode switch
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wakeup-delay-ms:
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description: Delay (in ms) after enabling the DMIC
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required:
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- compatible
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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dmic {
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compatible = "dmic-codec";
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dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
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num-channels = <1>;
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wakeup-delay-ms = <50>;
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modeswitch-delay-ms = <35>;
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};
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...
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