diff options
Diffstat (limited to 'Documentation/devicetree/bindings/sound')
15 files changed, 294 insertions, 142 deletions
diff --git a/Documentation/devicetree/bindings/sound/arndale.txt b/Documentation/devicetree/bindings/sound/arndale.txt new file mode 100644 index 000000000000..0e76946385ae --- /dev/null +++ b/Documentation/devicetree/bindings/sound/arndale.txt @@ -0,0 +1,24 @@ +Audio Binding for Arndale boards + +Required properties: +- compatible : Can be the following, + "samsung,arndale-rt5631" + +- samsung,audio-cpu: The phandle of the Samsung I2S controller +- samsung,audio-codec: The phandle of the audio codec + +Optional: +- samsung,model: The name of the sound-card + +Arndale Boards has many audio daughter cards, one of them is +rt5631/alc5631. Below example shows audio bindings for rt5631/ +alc5631 based codec. + +Example: + +sound { + compatible = "samsung,arndale-rt5631"; + + samsung,audio-cpu = <&i2s0> + samsung,audio-codec = <&rt5631>; +}; diff --git a/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt b/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt index 60ca07996458..46bc9829c71a 100644 --- a/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt +++ b/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt @@ -32,7 +32,7 @@ Optional properties: - rx-num-evt : FIFO levels. - sram-size-playback : size of sram to be allocated during playback - sram-size-capture : size of sram to be allocated during capture -- interrupts : Interrupt numbers for McASP, currently not used by the driver +- interrupts : Interrupt numbers for McASP - interrupt-names : Known interrupt names are "tx" and "rx" - pinctrl-0: Should specify pin control group used for this controller. - pinctrl-names: Should contain only one value - "default", for more details diff --git a/Documentation/devicetree/bindings/sound/eukrea-tlv320.txt b/Documentation/devicetree/bindings/sound/eukrea-tlv320.txt index 0d7985c864af..6dfa88c4dc1e 100644 --- a/Documentation/devicetree/bindings/sound/eukrea-tlv320.txt +++ b/Documentation/devicetree/bindings/sound/eukrea-tlv320.txt @@ -1,11 +1,16 @@ Audio complex for Eukrea boards with tlv320aic23 codec. Required properties: -- compatible : "eukrea,asoc-tlv320" -- eukrea,model : The user-visible name of this sound complex. -- ssi-controller : The phandle of the SSI controller. -- fsl,mux-int-port : The internal port of the i.MX audio muxer (AUDMUX). -- fsl,mux-ext-port : The external port of the i.MX audio muxer. + + - compatible : "eukrea,asoc-tlv320" + + - eukrea,model : The user-visible name of this sound complex. + + - ssi-controller : The phandle of the SSI controller. + + - fsl,mux-int-port : The internal port of the i.MX audio muxer (AUDMUX). + + - fsl,mux-ext-port : The external port of the i.MX audio muxer. Note: The AUDMUX port numbering should start at 1, which is consistent with hardware manual. diff --git a/Documentation/devicetree/bindings/sound/fsl,esai.txt b/Documentation/devicetree/bindings/sound/fsl,esai.txt index 52f5b6bf3e8e..d3b6b5f48010 100644 --- a/Documentation/devicetree/bindings/sound/fsl,esai.txt +++ b/Documentation/devicetree/bindings/sound/fsl,esai.txt @@ -7,37 +7,39 @@ other DSPs. It has up to six transmitters and four receivers. Required properties: - - compatible : Compatible list, must contain "fsl,imx35-esai" or - "fsl,vf610-esai" + - compatible : Compatible list, must contain "fsl,imx35-esai" or + "fsl,vf610-esai" - - reg : Offset and length of the register set for the device. + - reg : Offset and length of the register set for the device. - - interrupts : Contains the spdif interrupt. + - interrupts : Contains the spdif interrupt. - - dmas : Generic dma devicetree binding as described in - Documentation/devicetree/bindings/dma/dma.txt. + - dmas : Generic dma devicetree binding as described in + Documentation/devicetree/bindings/dma/dma.txt. - - dma-names : Two dmas have to be defined, "tx" and "rx". + - dma-names : Two dmas have to be defined, "tx" and "rx". - - clocks: Contains an entry for each entry in clock-names. + - clocks : Contains an entry for each entry in clock-names. - - clock-names : Includes the following entries: - "core" The core clock used to access registers - "extal" The esai baud clock for esai controller used to derive - HCK, SCK and FS. - "fsys" The system clock derived from ahb clock used to derive - HCK, SCK and FS. + - clock-names : Includes the following entries: + "core" The core clock used to access registers + "extal" The esai baud clock for esai controller used to + derive HCK, SCK and FS. + "fsys" The system clock derived from ahb clock used to + derive HCK, SCK and FS. - - fsl,fifo-depth: The number of elements in the transmit and receive FIFOs. - This number is the maximum allowed value for TFCR[TFWM] or RFCR[RFWM]. + - fsl,fifo-depth : The number of elements in the transmit and receive + FIFOs. This number is the maximum allowed value for + TFCR[TFWM] or RFCR[RFWM]. - fsl,esai-synchronous: This is a boolean property. If present, indicating - that ESAI would work in the synchronous mode, which means all the settings - for Receiving would be duplicated from Transmition related registers. + that ESAI would work in the synchronous mode, which + means all the settings for Receiving would be + duplicated from Transmition related registers. - - big-endian : If this property is absent, the native endian mode will - be in use as default, or the big endian mode will be in use for all the - device registers. + - big-endian : If this property is absent, the native endian mode + will be in use as default, or the big endian mode + will be in use for all the device registers. Example: diff --git a/Documentation/devicetree/bindings/sound/fsl,spdif.txt b/Documentation/devicetree/bindings/sound/fsl,spdif.txt index 3e9e82c8eab3..b5ee32ee3706 100644 --- a/Documentation/devicetree/bindings/sound/fsl,spdif.txt +++ b/Documentation/devicetree/bindings/sound/fsl,spdif.txt @@ -6,32 +6,31 @@ a fibre cable. Required properties: - - compatible : Compatible list, must contain "fsl,imx35-spdif". + - compatible : Compatible list, must contain "fsl,imx35-spdif". - - reg : Offset and length of the register set for the device. + - reg : Offset and length of the register set for the device. - - interrupts : Contains the spdif interrupt. + - interrupts : Contains the spdif interrupt. - - dmas : Generic dma devicetree binding as described in - Documentation/devicetree/bindings/dma/dma.txt. + - dmas : Generic dma devicetree binding as described in + Documentation/devicetree/bindings/dma/dma.txt. - - dma-names : Two dmas have to be defined, "tx" and "rx". + - dma-names : Two dmas have to be defined, "tx" and "rx". - - clocks : Contains an entry for each entry in clock-names. + - clocks : Contains an entry for each entry in clock-names. - - clock-names : Includes the following entries: - "core" The core clock of spdif controller - "rxtx<0-7>" Clock source list for tx and rx clock. - This clock list should be identical to - the source list connecting to the spdif - clock mux in "SPDIF Transceiver Clock - Diagram" of SoC reference manual. It - can also be referred to TxClk_Source - bit of register SPDIF_STC. + - clock-names : Includes the following entries: + "core" The core clock of spdif controller. + "rxtx<0-7>" Clock source list for tx and rx clock. + This clock list should be identical to the source + list connecting to the spdif clock mux in "SPDIF + Transceiver Clock Diagram" of SoC reference manual. + It can also be referred to TxClk_Source bit of + register SPDIF_STC. - - big-endian : If this property is absent, the native endian mode will - be in use as default, or the big endian mode will be in use for all the - device registers. + - big-endian : If this property is absent, the native endian mode + will be in use as default, or the big endian mode + will be in use for all the device registers. Example: diff --git a/Documentation/devicetree/bindings/sound/fsl-sai.txt b/Documentation/devicetree/bindings/sound/fsl-sai.txt index 4956b14d4b06..044e5d76e2dd 100644 --- a/Documentation/devicetree/bindings/sound/fsl-sai.txt +++ b/Documentation/devicetree/bindings/sound/fsl-sai.txt @@ -5,32 +5,48 @@ which provides a synchronous audio interface that supports fullduplex serial interfaces with frame synchronization such as I2S, AC97, TDM, and codec/DSP interfaces. - Required properties: -- compatible: Compatible list, contains "fsl,vf610-sai" or "fsl,imx6sx-sai". -- reg: Offset and length of the register set for the device. -- clocks: Must contain an entry for each entry in clock-names. -- clock-names : Must include the "bus" for register access and "mclk1" "mclk2" - "mclk3" for bit clock and frame clock providing. -- dmas : Generic dma devicetree binding as described in - Documentation/devicetree/bindings/dma/dma.txt. -- dma-names : Two dmas have to be defined, "tx" and "rx". -- pinctrl-names: Must contain a "default" entry. -- pinctrl-NNN: One property must exist for each entry in pinctrl-names. - See ../pinctrl/pinctrl-bindings.txt for details of the property values. -- big-endian: Boolean property, required if all the FTM_PWM registers - are big-endian rather than little-endian. -- lsb-first: Configures whether the LSB or the MSB is transmitted first for - the fifo data. If this property is absent, the MSB is transmitted first as - default, or the LSB is transmitted first. -- fsl,sai-synchronous-rx: This is a boolean property. If present, indicating - that SAI will work in the synchronous mode (sync Tx with Rx) which means - both the transimitter and receiver will send and receive data by following - receiver's bit clocks and frame sync clocks. -- fsl,sai-asynchronous: This is a boolean property. If present, indicating - that SAI will work in the asynchronous mode, which means both transimitter - and receiver will send and receive data by following their own bit clocks - and frame sync clocks separately. + + - compatible : Compatible list, contains "fsl,vf610-sai" or + "fsl,imx6sx-sai". + + - reg : Offset and length of the register set for the device. + + - clocks : Must contain an entry for each entry in clock-names. + + - clock-names : Must include the "bus" for register access and + "mclk1", "mclk2", "mclk3" for bit clock and frame + clock providing. + - dmas : Generic dma devicetree binding as described in + Documentation/devicetree/bindings/dma/dma.txt. + + - dma-names : Two dmas have to be defined, "tx" and "rx". + + - pinctrl-names : Must contain a "default" entry. + + - pinctrl-NNN : One property must exist for each entry in + pinctrl-names. See ../pinctrl/pinctrl-bindings.txt + for details of the property values. + + - big-endian : Boolean property, required if all the FTM_PWM + registers are big-endian rather than little-endian. + + - lsb-first : Configures whether the LSB or the MSB is transmitted + first for the fifo data. If this property is absent, + the MSB is transmitted first as default, or the LSB + is transmitted first. + + - fsl,sai-synchronous-rx: This is a boolean property. If present, indicating + that SAI will work in the synchronous mode (sync Tx + with Rx) which means both the transimitter and the + receiver will send and receive data by following + receiver's bit clocks and frame sync clocks. + + - fsl,sai-asynchronous: This is a boolean property. If present, indicating + that SAI will work in the asynchronous mode, which + means both transimitter and receiver will send and + receive data by following their own bit clocks and + frame sync clocks separately. Note: - If both fsl,sai-asynchronous and fsl,sai-synchronous-rx are absent, the diff --git a/Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt b/Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt index e4acdd891e49..2f89db88fd57 100644 --- a/Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt +++ b/Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt @@ -1,33 +1,40 @@ Freescale i.MX audio complex with SGTL5000 codec Required properties: -- compatible : "fsl,imx-audio-sgtl5000" -- model : The user-visible name of this sound complex -- ssi-controller : The phandle of the i.MX SSI controller -- audio-codec : The phandle of the SGTL5000 audio codec -- audio-routing : A list of the connections between audio components. - Each entry is a pair of strings, the first being the connection's sink, - the second being the connection's source. Valid names could be power - supplies, SGTL5000 pins, and the jacks on the board: - - Power supplies: - * Mic Bias - - SGTL5000 pins: - * MIC_IN - * LINE_IN - * HP_OUT - * LINE_OUT - - Board connectors: - * Mic Jack - * Line In Jack - * Headphone Jack - * Line Out Jack - * Ext Spk - -- mux-int-port : The internal port of the i.MX audio muxer (AUDMUX) -- mux-ext-port : The external port of the i.MX audio muxer + + - compatible : "fsl,imx-audio-sgtl5000" + + - model : The user-visible name of this sound complex + + - ssi-controller : The phandle of the i.MX SSI controller + + - audio-codec : The phandle of the SGTL5000 audio codec + + - audio-routing : A list of the connections between audio components. + Each entry is a pair of strings, the first being the + connection's sink, the second being the connection's + source. Valid names could be power supplies, SGTL5000 + pins, and the jacks on the board: + + Power supplies: + * Mic Bias + + SGTL5000 pins: + * MIC_IN + * LINE_IN + * HP_OUT + * LINE_OUT + + Board connectors: + * Mic Jack + * Line In Jack + * Headphone Jack + * Line Out Jack + * Ext Spk + + - mux-int-port : The internal port of the i.MX audio muxer (AUDMUX) + + - mux-ext-port : The external port of the i.MX audio muxer Note: The AUDMUX port numbering should start at 1, which is consistent with hardware manual. diff --git a/Documentation/devicetree/bindings/sound/imx-audio-spdif.txt b/Documentation/devicetree/bindings/sound/imx-audio-spdif.txt index 7d13479f9c3c..da84a442ccea 100644 --- a/Documentation/devicetree/bindings/sound/imx-audio-spdif.txt +++ b/Documentation/devicetree/bindings/sound/imx-audio-spdif.txt @@ -2,23 +2,25 @@ Freescale i.MX audio complex with S/PDIF transceiver Required properties: - - compatible : "fsl,imx-audio-spdif" + - compatible : "fsl,imx-audio-spdif" - - model : The user-visible name of this sound complex + - model : The user-visible name of this sound complex - - spdif-controller : The phandle of the i.MX S/PDIF controller + - spdif-controller : The phandle of the i.MX S/PDIF controller Optional properties: - - spdif-out : This is a boolean property. If present, the transmitting - function of S/PDIF will be enabled, indicating there's a physical - S/PDIF out connector/jack on the board or it's connecting to some - other IP block, such as an HDMI encoder/display-controller. + - spdif-out : This is a boolean property. If present, the + transmitting function of S/PDIF will be enabled, + indicating there's a physical S/PDIF out connector + or jack on the board or it's connecting to some + other IP block, such as an HDMI encoder or + display-controller. - - spdif-in : This is a boolean property. If present, the receiving - function of S/PDIF will be enabled, indicating there's a physical - S/PDIF in connector/jack on the board. + - spdif-in : This is a boolean property. If present, the receiving + function of S/PDIF will be enabled, indicating there + is a physical S/PDIF in connector/jack on the board. * Note: At least one of these two properties should be set in the DT binding. diff --git a/Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt b/Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt index f49450a87890..acea71bee34f 100644 --- a/Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt +++ b/Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt @@ -1,25 +1,32 @@ Freescale i.MX audio complex with WM8962 codec Required properties: -- compatible : "fsl,imx-audio-wm8962" -- model : The user-visible name of this sound complex -- ssi-controller : The phandle of the i.MX SSI controller -- audio-codec : The phandle of the WM8962 audio codec -- audio-routing : A list of the connections between audio components. - Each entry is a pair of strings, the first being the connection's sink, - the second being the connection's source. Valid names could be power - supplies, WM8962 pins, and the jacks on the board: - - Power supplies: - * Mic Bias - - Board connectors: - * Mic Jack - * Headphone Jack - * Ext Spk - -- mux-int-port : The internal port of the i.MX audio muxer (AUDMUX) -- mux-ext-port : The external port of the i.MX audio muxer + + - compatible : "fsl,imx-audio-wm8962" + + - model : The user-visible name of this sound complex + + - ssi-controller : The phandle of the i.MX SSI controller + + - audio-codec : The phandle of the WM8962 audio codec + + - audio-routing : A list of the connections between audio components. + Each entry is a pair of strings, the first being the + connection's sink, the second being the connection's + source. Valid names could be power supplies, WM8962 + pins, and the jacks on the board: + + Power supplies: + * Mic Bias + + Board connectors: + * Mic Jack + * Headphone Jack + * Ext Spk + + - mux-int-port : The internal port of the i.MX audio muxer (AUDMUX) + + - mux-ext-port : The external port of the i.MX audio muxer Note: The AUDMUX port numbering should start at 1, which is consistent with hardware manual. diff --git a/Documentation/devicetree/bindings/sound/imx-audmux.txt b/Documentation/devicetree/bindings/sound/imx-audmux.txt index f88a00e54c63..b30a737e209e 100644 --- a/Documentation/devicetree/bindings/sound/imx-audmux.txt +++ b/Documentation/devicetree/bindings/sound/imx-audmux.txt @@ -1,18 +1,24 @@ Freescale Digital Audio Mux (AUDMUX) device Required properties: -- compatible : "fsl,imx21-audmux" for AUDMUX version firstly used on i.MX21, - or "fsl,imx31-audmux" for the version firstly used on i.MX31. -- reg : Should contain AUDMUX registers location and length + + - compatible : "fsl,imx21-audmux" for AUDMUX version firstly used + on i.MX21, or "fsl,imx31-audmux" for the version + firstly used on i.MX31. + + - reg : Should contain AUDMUX registers location and length. An initial configuration can be setup using child nodes. Required properties of optional child nodes: -- fsl,audmux-port : Integer of the audmux port that is configured by this - child node. -- fsl,port-config : List of configuration options for the specific port. For - imx31-audmux and above, it is a list of tuples <ptcr pdcr>. For - imx21-audmux it is a list of pcr values. + + - fsl,audmux-port : Integer of the audmux port that is configured by this + child node. + + - fsl,port-config : List of configuration options for the specific port. + For imx31-audmux and above, it is a list of tuples + <ptcr pdcr>. For imx21-audmux it is a list of pcr + values. Example: diff --git a/Documentation/devicetree/bindings/sound/max98090.txt b/Documentation/devicetree/bindings/sound/max98090.txt index c454e67f54bb..aa802a274520 100644 --- a/Documentation/devicetree/bindings/sound/max98090.txt +++ b/Documentation/devicetree/bindings/sound/max98090.txt @@ -16,6 +16,8 @@ Optional properties: - clock-names: Should be "mclk" +- maxim,dmic-freq: Frequency at which to clock DMIC + Pins on the device (for linking into audio routes): * MIC1 diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.txt b/Documentation/devicetree/bindings/sound/renesas,rsnd.txt index aa697abf337e..2dd690bc19cc 100644 --- a/Documentation/devicetree/bindings/sound/renesas,rsnd.txt +++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.txt @@ -1,8 +1,12 @@ Renesas R-Car sound Required properties: -- compatible : "renesas,rcar_sound-gen1" if generation1 +- compatible : "renesas,rcar_sound-<soctype>", fallbacks + "renesas,rcar_sound-gen1" if generation1, and "renesas,rcar_sound-gen2" if generation2 + Examples with soctypes are: + - "renesas,rcar_sound-r8a7790" (R-Car H2) + - "renesas,rcar_sound-r8a7791" (R-Car M2-W) - reg : Should contain the register physical address. required register is SRU/ADG/SSI if generation1 @@ -35,9 +39,9 @@ DAI subnode properties: Example: -rcar_sound: rcar_sound@0xffd90000 { +rcar_sound: rcar_sound@ec500000 { #sound-dai-cells = <1>; - compatible = "renesas,rcar_sound-gen2"; + compatible = "renesas,rcar_sound-r8a7791", "renesas,rcar_sound-gen2"; reg = <0 0xec500000 0 0x1000>, /* SCU */ <0 0xec5a0000 0 0x100>, /* ADG */ <0 0xec540000 0 0x1000>, /* SSIU */ diff --git a/Documentation/devicetree/bindings/sound/rt5631.txt b/Documentation/devicetree/bindings/sound/rt5631.txt new file mode 100644 index 000000000000..92b986ca337b --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rt5631.txt @@ -0,0 +1,48 @@ +ALC5631/RT5631 audio CODEC + +This device supports I2C only. + +Required properties: + + - compatible : "realtek,alc5631" or "realtek,rt5631" + + - reg : the I2C address of the device. + +Pins on the device (for linking into audio routes): + + * SPK_OUT_R_P + * SPK_OUT_R_N + * SPK_OUT_L_P + * SPK_OUT_L_N + * HP_OUT_L + * HP_OUT_R + * AUX_OUT2_LP + * AUX_OUT2_RN + * AUX_OUT1_LP + * AUX_OUT1_RN + * AUX_IN_L_JD + * AUX_IN_R_JD + * MONO_IN_P + * MONO_IN_N + * MIC1_P + * MIC1_N + * MIC2_P + * MIC2_N + * MONO_OUT_P + * MONO_OUT_N + * MICBIAS1 + * MICBIAS2 + +Example: + +alc5631: alc5631@1a { + compatible = "realtek,alc5631"; + reg = <0x1a>; +}; + +or + +rt5631: rt5631@1a { + compatible = "realtek,rt5631"; + reg = <0x1a>; +}; diff --git a/Documentation/devicetree/bindings/sound/samsung-i2s.txt b/Documentation/devicetree/bindings/sound/samsung-i2s.txt index 7386d444ada1..d188296bb6ec 100644 --- a/Documentation/devicetree/bindings/sound/samsung-i2s.txt +++ b/Documentation/devicetree/bindings/sound/samsung-i2s.txt @@ -6,10 +6,17 @@ Required SoC Specific Properties: - samsung,s3c6410-i2s: for 8/16/24bit stereo I2S. - samsung,s5pv210-i2s: for 8/16/24bit multichannel(5.1) I2S with secondary fifo, s/w reset control and internal mux for root clk src. - - samsung,exynos5420-i2s: for 8/16/24bit multichannel(7.1) I2S with - secondary fifo, s/w reset control, internal mux for root clk src and - TDM support. TDM (Time division multiplexing) is to allow transfer of - multiple channel audio data on single data line. + - samsung,exynos5420-i2s: for 8/16/24bit multichannel(5.1) I2S for + playback, sterio channel capture, secondary fifo using internal + or external dma, s/w reset control, internal mux for root clk src + and 7.1 channel TDM support for playback. TDM (Time division multiplexing) + is to allow transfer of multiple channel audio data on single data line. + - samsung,exynos7-i2s: with all the available features of exynos5 i2s, + exynos7 I2S has 7.1 channel TDM support for capture, secondary fifo + with only external dma and more no.of root clk sampling frequencies. + - samsung,exynos7-i2s1: I2S1 on previous samsung platforms supports + stereo channels. exynos7 i2s1 upgraded to 5.1 multichannel with + slightly modified bit offsets. - reg: physical base address of the controller and length of memory mapped region. diff --git a/Documentation/devicetree/bindings/sound/sgtl5000.txt b/Documentation/devicetree/bindings/sound/sgtl5000.txt index 955df60a118c..0e5e4eb3ef1b 100644 --- a/Documentation/devicetree/bindings/sound/sgtl5000.txt +++ b/Documentation/devicetree/bindings/sound/sgtl5000.txt @@ -7,10 +7,33 @@ Required properties: - clocks : the clock provider of SYS_MCLK +- micbias-resistor-k-ohms : the bias resistor to be used in kOmhs + The resistor can take values of 2k, 4k or 8k. + If set to 0 it will be off. + If this node is not mentioned or if the value is unknown, then + micbias resistor is set to 4K. + +- micbias-voltage-m-volts : the bias voltage to be used in mVolts + The voltage can take values from 1.25V to 3V by 250mV steps + If this node is not mentionned or the value is unknown, then + the value is set to 1.25V. + +- VDDA-supply : the regulator provider of VDDA + +- VDDIO-supply: the regulator provider of VDDIO + +Optional properties: + +- VDDD-supply : the regulator provider of VDDD + Example: codec: sgtl5000@0a { compatible = "fsl,sgtl5000"; reg = <0x0a>; clocks = <&clks 150>; + micbias-resistor-k-ohms = <2>; + micbias-voltage-m-volts = <2250>; + VDDA-supply = <®_3p3v>; + VDDIO-supply = <®_3p3v>; }; |