1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun%YAML 1.2 3*4882a593Smuzhiyun--- 4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/sound/mt6359.yaml# 5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml# 6*4882a593Smuzhiyun 7*4882a593Smuzhiyuntitle: Mediatek MT6359 Codec Device Tree Bindings 8*4882a593Smuzhiyun 9*4882a593Smuzhiyunmaintainers: 10*4882a593Smuzhiyun - Eason Yen <eason.yen@mediatek.com> 11*4882a593Smuzhiyun - Jiaxin Yu <jiaxin.yu@mediatek.com> 12*4882a593Smuzhiyun - Shane Chien <shane.chien@mediatek.com> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyundescription: | 15*4882a593Smuzhiyun The communication between MT6359 and SoC is through Mediatek PMIC wrapper. 16*4882a593Smuzhiyun For more detail, please visit Mediatek PMIC wrapper documentation. 17*4882a593Smuzhiyun Must be a child node of PMIC wrapper. 18*4882a593Smuzhiyun 19*4882a593Smuzhiyunproperties: 20*4882a593Smuzhiyun mediatek,dmic-mode: 21*4882a593Smuzhiyun $ref: /schemas/types.yaml#/definitions/uint32 22*4882a593Smuzhiyun description: | 23*4882a593Smuzhiyun Indicates how many data pins are used to transmit two channels of PDM 24*4882a593Smuzhiyun signal. 0 means two wires, 1 means one wire. Default value is 0. 25*4882a593Smuzhiyun enum: 26*4882a593Smuzhiyun - 0 # one wire 27*4882a593Smuzhiyun - 1 # two wires 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun mediatek,mic-type-0: 30*4882a593Smuzhiyun $ref: /schemas/types.yaml#/definitions/uint32 31*4882a593Smuzhiyun description: | 32*4882a593Smuzhiyun Specifies the type of mic type connected to adc0 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun enum: 35*4882a593Smuzhiyun - 0 # IDLE - mic in turn-off status 36*4882a593Smuzhiyun - 1 # ACC - analog mic with alternating coupling 37*4882a593Smuzhiyun - 2 # DMIC - digital mic 38*4882a593Smuzhiyun - 3 # DCC - analog mic with direct couping 39*4882a593Smuzhiyun - 4 # DCC_ECM_DIFF - analog electret condenser mic with differential mode 40*4882a593Smuzhiyun - 5 # DCC_ECM_SINGLE - analog electret condenser mic with single mode 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun mediatek,mic-type-1: 43*4882a593Smuzhiyun $ref: /schemas/types.yaml#/definitions/uint32 44*4882a593Smuzhiyun description: | 45*4882a593Smuzhiyun Specifies the type of mic type connected to adc1 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun mediatek,mic-type-2: 48*4882a593Smuzhiyun $ref: /schemas/types.yaml#/definitions/uint32 49*4882a593Smuzhiyun description: | 50*4882a593Smuzhiyun Specifies the type of mic type connected to adc2 51*4882a593Smuzhiyun 52*4882a593SmuzhiyunadditionalProperties: false 53*4882a593Smuzhiyun 54*4882a593Smuzhiyunexamples: 55*4882a593Smuzhiyun - | 56*4882a593Smuzhiyun mt6359codec: mt6359codec { 57*4882a593Smuzhiyun mediatek,dmic-mode = <0>; 58*4882a593Smuzhiyun mediatek,mic-type-0 = <2>; 59*4882a593Smuzhiyun }; 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun... 62