18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 28c2ecf20Sopenharmony_ci%YAML 1.2 38c2ecf20Sopenharmony_ci--- 48c2ecf20Sopenharmony_ci$id: http://devicetree.org/schemas/sound/rohm,bd28623.yaml# 58c2ecf20Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml# 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_cititle: ROHM BD28623MUV Class D speaker amplifier for digital input 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_cidescription: 108c2ecf20Sopenharmony_ci This codec does not have any control buses such as I2C, it detect 118c2ecf20Sopenharmony_ci format and rate of I2S signal automatically. It has two signals 128c2ecf20Sopenharmony_ci that can be connected to GPIOs reset and mute. 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_cimaintainers: 158c2ecf20Sopenharmony_ci - Katsuhiro Suzuki <katsuhiro@katsuster.net> 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ciproperties: 188c2ecf20Sopenharmony_ci compatible: 198c2ecf20Sopenharmony_ci const: rohm,bd28623 208c2ecf20Sopenharmony_ci 218c2ecf20Sopenharmony_ci "#sound-dai-cells": 228c2ecf20Sopenharmony_ci const: 0 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ci VCCA-supply: 258c2ecf20Sopenharmony_ci description: 268c2ecf20Sopenharmony_ci regulator phandle for the VCCA (for analog) power supply 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_ci VCCP1-supply: 298c2ecf20Sopenharmony_ci description: 308c2ecf20Sopenharmony_ci regulator phandle for the VCCP1 (for ch1) power supply 318c2ecf20Sopenharmony_ci 328c2ecf20Sopenharmony_ci VCCP2-supply: 338c2ecf20Sopenharmony_ci description: 348c2ecf20Sopenharmony_ci regulator phandle for the VCCP2 (for ch2) power supply 358c2ecf20Sopenharmony_ci 368c2ecf20Sopenharmony_ci reset-gpios: 378c2ecf20Sopenharmony_ci maxItems: 1 388c2ecf20Sopenharmony_ci description: 398c2ecf20Sopenharmony_ci GPIO specifier for the active low reset line 408c2ecf20Sopenharmony_ci 418c2ecf20Sopenharmony_ci mute-gpios: 428c2ecf20Sopenharmony_ci maxItems: 1 438c2ecf20Sopenharmony_ci description: 448c2ecf20Sopenharmony_ci GPIO specifier for the active low mute line 458c2ecf20Sopenharmony_ci 468c2ecf20Sopenharmony_cirequired: 478c2ecf20Sopenharmony_ci - compatible 488c2ecf20Sopenharmony_ci - VCCA-supply 498c2ecf20Sopenharmony_ci - VCCP1-supply 508c2ecf20Sopenharmony_ci - VCCP2-supply 518c2ecf20Sopenharmony_ci - "#sound-dai-cells" 528c2ecf20Sopenharmony_ci 538c2ecf20Sopenharmony_ciadditionalProperties: false 548c2ecf20Sopenharmony_ci 558c2ecf20Sopenharmony_ciexamples: 568c2ecf20Sopenharmony_ci - | 578c2ecf20Sopenharmony_ci #include <dt-bindings/gpio/gpio.h> 588c2ecf20Sopenharmony_ci codec { 598c2ecf20Sopenharmony_ci compatible = "rohm,bd28623"; 608c2ecf20Sopenharmony_ci #sound-dai-cells = <0>; 618c2ecf20Sopenharmony_ci 628c2ecf20Sopenharmony_ci VCCA-supply = <&vcc_reg>; 638c2ecf20Sopenharmony_ci VCCP1-supply = <&vcc_reg>; 648c2ecf20Sopenharmony_ci VCCP2-supply = <&vcc_reg>; 658c2ecf20Sopenharmony_ci reset-gpios = <&gpio 0 GPIO_ACTIVE_LOW>; 668c2ecf20Sopenharmony_ci mute-gpios = <&gpio 1 GPIO_ACTIVE_LOW>; 678c2ecf20Sopenharmony_ci }; 68