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>
87 lines
2.1 KiB
YAML
87 lines
2.1 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/sound/maxim,max98504.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Maxim Integrated MAX98504 class D mono speaker amplifier
|
|
|
|
maintainers:
|
|
- Krzysztof Kozlowski <krzk@kernel.org>
|
|
|
|
description:
|
|
Maxim Integrated MAX98504 speaker amplifier supports I2C control interface
|
|
with an IRQ output signal, PCM and PDM digital audio interface (DAI) and a
|
|
differential analog input.
|
|
|
|
properties:
|
|
compatible:
|
|
const: maxim,max98504
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
interrupts:
|
|
maxItems: 1
|
|
|
|
DIOVDD-supply: true
|
|
DVDD-supply: true
|
|
PVDD-supply: true
|
|
|
|
maxim,brownout-threshold:
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
maximum: 21
|
|
default: 0
|
|
description:
|
|
PVDD brownout threshold, where values correspond to 2.6V, 2.65V...3.65V
|
|
voltage range. Property also enables the PVDD brownout protection.
|
|
|
|
maxim,brownout-attenuation:
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
maximum: 6
|
|
default: 0
|
|
description:
|
|
Brownout attenuation to the speaker gain applied during the "attack hold"
|
|
and "timed hold" phase, the value must be from 0...6 (dB) range.
|
|
|
|
maxim,brownout-attack-hold-ms:
|
|
maximum: 255
|
|
default: 0
|
|
description:
|
|
Brownout attack hold phase time in ms, VBATBROWN_ATTK_HOLD, register 0x0018.
|
|
|
|
maxim,brownout-timed-hold-ms:
|
|
maximum: 255
|
|
default: 0
|
|
description:
|
|
Brownout timed hold phase time in ms, VBATBROWN_TIME_HOLD, register 0x0019.
|
|
|
|
maxim,brownout-release-rate-ms:
|
|
maximum: 255
|
|
default: 0
|
|
description:
|
|
Brownout release phase step time in ms, VBATBROWN_RELEASE, register 0x001A.
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/gpio/gpio.h>
|
|
|
|
i2c {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
amplifier@31 {
|
|
compatible = "maxim,max98504";
|
|
reg = <0x31>;
|
|
|
|
DIOVDD-supply = <&ldo3_reg>;
|
|
DVDD-supply = <&ldo3_reg>;
|
|
};
|
|
};
|