1*8bab661aSEmmanuel Vadot# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2*8bab661aSEmmanuel Vadot%YAML 1.2 3*8bab661aSEmmanuel Vadot--- 4*8bab661aSEmmanuel Vadot$id: http://devicetree.org/schemas/sound/maxim,max98357a.yaml# 5*8bab661aSEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml# 6*8bab661aSEmmanuel Vadot 7*8bab661aSEmmanuel Vadottitle: Maxim Integrated MAX98357A/MAX98360A amplifier 8*8bab661aSEmmanuel Vadot 9*8bab661aSEmmanuel Vadotmaintainers: 10*8bab661aSEmmanuel Vadot - Tzung-Bi Shih <tzungbi@kernel.org> 11*8bab661aSEmmanuel Vadot 12*8bab661aSEmmanuel Vadotdescription: 13*8bab661aSEmmanuel Vadot Maxim Integrated MAX98357A/MAX98360A is a digital pulse-code modulation (PCM) 14*8bab661aSEmmanuel Vadot input Class D amplifier. 15*8bab661aSEmmanuel Vadot 16*8bab661aSEmmanuel VadotallOf: 17*8bab661aSEmmanuel Vadot - $ref: dai-common.yaml# 18*8bab661aSEmmanuel Vadot 19*8bab661aSEmmanuel Vadotproperties: 20*8bab661aSEmmanuel Vadot compatible: 21*8bab661aSEmmanuel Vadot enum: 22*8bab661aSEmmanuel Vadot - maxim,max98357a 23*8bab661aSEmmanuel Vadot - maxim,max98360a 24*8bab661aSEmmanuel Vadot 25*8bab661aSEmmanuel Vadot '#sound-dai-cells': 26*8bab661aSEmmanuel Vadot const: 0 27*8bab661aSEmmanuel Vadot 28*8bab661aSEmmanuel Vadot sdmode-gpios: 29*8bab661aSEmmanuel Vadot maxItems: 1 30*8bab661aSEmmanuel Vadot description: 31*8bab661aSEmmanuel Vadot Chip's SD_MODE pin. If missing the chip is always on. 32*8bab661aSEmmanuel Vadot 33*8bab661aSEmmanuel Vadot sdmode-delay: 34*8bab661aSEmmanuel Vadot $ref: /schemas/types.yaml#/definitions/uint32 35*8bab661aSEmmanuel Vadot description: 36*8bab661aSEmmanuel Vadot Delay time for SD_MODE pin changes intended to make I2S clocks ready 37*8bab661aSEmmanuel Vadot before SD_MODE is unmuted in order to avoid the speaker pop noise. 38*8bab661aSEmmanuel Vadot 39*8bab661aSEmmanuel Vadotrequired: 40*8bab661aSEmmanuel Vadot - compatible 41*8bab661aSEmmanuel Vadot 42*8bab661aSEmmanuel VadotunevaluatedProperties: false 43*8bab661aSEmmanuel Vadot 44*8bab661aSEmmanuel Vadotexamples: 45*8bab661aSEmmanuel Vadot - | 46*8bab661aSEmmanuel Vadot #include <dt-bindings/gpio/gpio.h> 47*8bab661aSEmmanuel Vadot 48*8bab661aSEmmanuel Vadot amplifier { 49*8bab661aSEmmanuel Vadot compatible = "maxim,max98360a"; 50*8bab661aSEmmanuel Vadot #sound-dai-cells = <0>; 51*8bab661aSEmmanuel Vadot sdmode-gpios = <&qcom_pinmux 25 GPIO_ACTIVE_HIGH>; 52*8bab661aSEmmanuel Vadot }; 53