1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*4882a593Smuzhiyun%YAML 1.2 3*4882a593Smuzhiyun--- 4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/sound/rohm,bd28623.yaml# 5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml# 6*4882a593Smuzhiyun 7*4882a593Smuzhiyuntitle: ROHM BD28623MUV Class D speaker amplifier for digital input 8*4882a593Smuzhiyun 9*4882a593Smuzhiyundescription: 10*4882a593Smuzhiyun This codec does not have any control buses such as I2C, it detect 11*4882a593Smuzhiyun format and rate of I2S signal automatically. It has two signals 12*4882a593Smuzhiyun that can be connected to GPIOs reset and mute. 13*4882a593Smuzhiyun 14*4882a593Smuzhiyunmaintainers: 15*4882a593Smuzhiyun - Katsuhiro Suzuki <katsuhiro@katsuster.net> 16*4882a593Smuzhiyun 17*4882a593Smuzhiyunproperties: 18*4882a593Smuzhiyun compatible: 19*4882a593Smuzhiyun const: rohm,bd28623 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun "#sound-dai-cells": 22*4882a593Smuzhiyun const: 0 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun VCCA-supply: 25*4882a593Smuzhiyun description: 26*4882a593Smuzhiyun regulator phandle for the VCCA (for analog) power supply 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun VCCP1-supply: 29*4882a593Smuzhiyun description: 30*4882a593Smuzhiyun regulator phandle for the VCCP1 (for ch1) power supply 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun VCCP2-supply: 33*4882a593Smuzhiyun description: 34*4882a593Smuzhiyun regulator phandle for the VCCP2 (for ch2) power supply 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun reset-gpios: 37*4882a593Smuzhiyun maxItems: 1 38*4882a593Smuzhiyun description: 39*4882a593Smuzhiyun GPIO specifier for the active low reset line 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun mute-gpios: 42*4882a593Smuzhiyun maxItems: 1 43*4882a593Smuzhiyun description: 44*4882a593Smuzhiyun GPIO specifier for the active low mute line 45*4882a593Smuzhiyun 46*4882a593Smuzhiyunrequired: 47*4882a593Smuzhiyun - compatible 48*4882a593Smuzhiyun - VCCA-supply 49*4882a593Smuzhiyun - VCCP1-supply 50*4882a593Smuzhiyun - VCCP2-supply 51*4882a593Smuzhiyun - "#sound-dai-cells" 52*4882a593Smuzhiyun 53*4882a593SmuzhiyunadditionalProperties: false 54*4882a593Smuzhiyun 55*4882a593Smuzhiyunexamples: 56*4882a593Smuzhiyun - | 57*4882a593Smuzhiyun #include <dt-bindings/gpio/gpio.h> 58*4882a593Smuzhiyun codec { 59*4882a593Smuzhiyun compatible = "rohm,bd28623"; 60*4882a593Smuzhiyun #sound-dai-cells = <0>; 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun VCCA-supply = <&vcc_reg>; 63*4882a593Smuzhiyun VCCP1-supply = <&vcc_reg>; 64*4882a593Smuzhiyun VCCP2-supply = <&vcc_reg>; 65*4882a593Smuzhiyun reset-gpios = <&gpio 0 GPIO_ACTIVE_LOW>; 66*4882a593Smuzhiyun mute-gpios = <&gpio 1 GPIO_ACTIVE_LOW>; 67*4882a593Smuzhiyun }; 68