1*d60007fcSKeguang Zhang# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*d60007fcSKeguang Zhang%YAML 1.2 3*d60007fcSKeguang Zhang--- 4*d60007fcSKeguang Zhang$id: http://devicetree.org/schemas/sound/loongson,ls1b-ac97.yaml# 5*d60007fcSKeguang Zhang$schema: http://devicetree.org/meta-schemas/core.yaml# 6*d60007fcSKeguang Zhang 7*d60007fcSKeguang Zhangtitle: Loongson-1 AC97 Controller 8*d60007fcSKeguang Zhang 9*d60007fcSKeguang Zhangmaintainers: 10*d60007fcSKeguang Zhang - Keguang Zhang <keguang.zhang@gmail.com> 11*d60007fcSKeguang Zhang 12*d60007fcSKeguang Zhangdescription: 13*d60007fcSKeguang Zhang The Loongson-1 AC97 controller supports 2-channel stereo output and input. 14*d60007fcSKeguang Zhang It is paired with the DMA engine to handle playback and capture functions. 15*d60007fcSKeguang Zhang 16*d60007fcSKeguang ZhangallOf: 17*d60007fcSKeguang Zhang - $ref: dai-common.yaml# 18*d60007fcSKeguang Zhang 19*d60007fcSKeguang Zhangproperties: 20*d60007fcSKeguang Zhang compatible: 21*d60007fcSKeguang Zhang oneOf: 22*d60007fcSKeguang Zhang - const: loongson,ls1b-ac97 23*d60007fcSKeguang Zhang - items: 24*d60007fcSKeguang Zhang - enum: 25*d60007fcSKeguang Zhang - loongson,ls1a-ac97 26*d60007fcSKeguang Zhang - loongson,ls1c-ac97 27*d60007fcSKeguang Zhang - const: loongson,ls1b-ac97 28*d60007fcSKeguang Zhang 29*d60007fcSKeguang Zhang reg: 30*d60007fcSKeguang Zhang maxItems: 3 31*d60007fcSKeguang Zhang 32*d60007fcSKeguang Zhang reg-names: 33*d60007fcSKeguang Zhang items: 34*d60007fcSKeguang Zhang - const: ac97 35*d60007fcSKeguang Zhang - const: audio-tx 36*d60007fcSKeguang Zhang - const: audio-rx 37*d60007fcSKeguang Zhang 38*d60007fcSKeguang Zhang dmas: 39*d60007fcSKeguang Zhang maxItems: 2 40*d60007fcSKeguang Zhang 41*d60007fcSKeguang Zhang dma-names: 42*d60007fcSKeguang Zhang items: 43*d60007fcSKeguang Zhang - const: tx 44*d60007fcSKeguang Zhang - const: rx 45*d60007fcSKeguang Zhang 46*d60007fcSKeguang Zhang '#sound-dai-cells': 47*d60007fcSKeguang Zhang const: 0 48*d60007fcSKeguang Zhang 49*d60007fcSKeguang Zhangrequired: 50*d60007fcSKeguang Zhang - compatible 51*d60007fcSKeguang Zhang - reg 52*d60007fcSKeguang Zhang - reg-names 53*d60007fcSKeguang Zhang - dmas 54*d60007fcSKeguang Zhang - dma-names 55*d60007fcSKeguang Zhang - '#sound-dai-cells' 56*d60007fcSKeguang Zhang 57*d60007fcSKeguang ZhangunevaluatedProperties: false 58*d60007fcSKeguang Zhang 59*d60007fcSKeguang Zhangexamples: 60*d60007fcSKeguang Zhang - | 61*d60007fcSKeguang Zhang audio-controller@1fe74000 { 62*d60007fcSKeguang Zhang compatible = "loongson,ls1b-ac97"; 63*d60007fcSKeguang Zhang reg = <0x1fe74000 0x60>, <0x1fe72420 0x4>, <0x1fe74c4c 0x4>; 64*d60007fcSKeguang Zhang reg-names = "ac97", "audio-tx", "audio-rx"; 65*d60007fcSKeguang Zhang dmas = <&dma 1>, <&dma 2>; 66*d60007fcSKeguang Zhang dma-names = "tx", "rx"; 67*d60007fcSKeguang Zhang #sound-dai-cells = <0>; 68*d60007fcSKeguang Zhang }; 69