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/freebsd-head/sys/contrib/device-tree/Bindings/sound/
HDtlv320aic31xx.txt26 - ai31xx-micbias-vg - MicBias Voltage setting
27 1 or MICBIAS_2_0V - MICBIAS output is powered to 2.0V
28 2 or MICBIAS_2_5V - MICBIAS output is powered to 2.5V
29 3 or MICBIAS_AVDD - MICBIAS output is connected to AVDD
31 micbias is set to 2.0V.
48 * MICBIAS
67 ai31xx-micbias-vg = <MICBIAS_OFF>;
Dsamsung,aries-wm8994.yaml64 main-micbias-supply:
65 description: Supply for the micbias on the main mic
67 headset-micbias-supply:
68 description: Supply for the micbias on the headset mic
84 description: IO channel to read micbias voltage for headset detection
95 - main-micbias-supply
96 - headset-micbias-supply
114 main-micbias-supply = <&main_micbias_reg>;
115 headset-micbias-supply = <&headset_micbias_reg>;
Dti,tlv320dac3100.yaml19 * MICBIAS
63 ai31xx-micbias-vg:
68 MicBias Voltage setting
69 1 or MICBIAS_2_0V - MICBIAS output is powered to 2.0V
70 2 or MICBIAS_2_5V - MICBIAS output is powered to 2.5V
71 3 or MICBIAS_AVDD - MICBIAS output is connected to AVDD
116 ai31xx-micbias-vg = <MICBIAS_2_0V>;
HDtlv320aic3x.txt23 - ai3x-micbias-vg - MicBias Voltage required.
24 1 - MICBIAS output is powered to 2.0V,
25 2 - MICBIAS output is powered to 2.5V,
26 3 - MICBIAS output is connected to AVDD,
27 If this node is not mentioned or if the value is incorrect, then MicBias
HDnau8824.txt19 - nuvoton,micbias-voltage: Micbias voltage level.
31 SAR = 255 * MICBIAS / SAR_VOLTAGE * R / (2000 + R)
32 …where MICBIAS is configured by 'nuvoton,micbias-voltage', SAR_VOLTAGE is configured by 'nuvoton,sa…
78 nuvoton,micbias-voltage = <6>;
HDsgtl5000.txt20 - micbias-resistor-k-ohms : the bias resistor to be used in kOhms
24 micbias resistor is set to 4K.
26 - micbias-voltage-m-volts : the bias voltage to be used in mVolts
56 micbias-resistor-k-ohms = <2>;
57 micbias-voltage-m-volts = <2250>;
Dti,tlv320aic3x.yaml75 ai3x-micbias-vg:
76 description: MicBias required voltage. If node is omitted then MicBias is powered down.
80 description: MICBIAS output is powered to 2.0V.
82 description: MICBIAS output is powered to 2.5V.
84 description: MICBIAS output is connected to AVDD.
HDnau8825.txt23 - nuvoton,micbias-voltage: Micbias voltage level.
35 SAR = 255 * MICBIAS / SAR_VOLTAGE * R / (2000 + R)
36 …where MICBIAS is configured by 'nuvoton,micbias-voltage', SAR_VOLTAGE is configured by 'nuvoton,sa…
96 nuvoton,micbias-voltage = <6>;
Dnuvoton,nau8824.yaml57 nuvoton,micbias-voltage:
60 Micbias voltage level.
85 SAR = 255 * MICBIAS / SAR_VOLTAGE * R / (2000 + R) where MICBIAS is
86 configured by 'nuvoton,micbias-voltage', SAR_VOLTAGE is configured by
179 nuvoton,micbias-voltage = <6>;
Dfsl,sgtl5000.yaml42 micbias-resistor-k-ohms:
45 mentioned or if the value is unknown, then micbias resistor is set to
49 micbias-voltage-m-volts:
107 micbias-resistor-k-ohms = <2>;
108 micbias-voltage-m-volts = <2250>;
HDsgtl5000.yaml42 micbias-resistor-k-ohms:
45 mentioned or if the value is unknown, then micbias resistor is set to
49 micbias-voltage-m-volts:
107 micbias-resistor-k-ohms = <2>;
108 micbias-voltage-m-volts = <2250>;
Dnuvoton,nau8825.yaml63 nuvoton,micbias-voltage:
66 Micbias voltage level.
91 SAR = 255 * MICBIAS / SAR_VOLTAGE * R / (2000 + R) where MICBIAS is
92 configured by 'nuvoton,micbias-voltage', SAR_VOLTAGE is configured by
223 nuvoton,micbias-voltage = <6>;
Dadi,adau1977.txt26 - adi,micbias: configures the voltage setting for the MICBIAS pin.
27 Select 0/1/2/3/4/5/6/7/8 to specify MICBIAS voltage
49 adi,micbias = <3>;
Dqcom,pm8916-wcd-analog-codec.yaml48 vdd-micbias-supply:
49 description: micbias supply
63 headset when MBHC is powered from micbias.
67 qcom,micbias-lvl:
150 vdd-micbias-supply = <&pm8916_l13>;
HDts3a227e.txt16 - ti,micbias: Intended MICBIAS voltage (datasheet section 9.6.7).
17 Select 0/1/2/3/4/5/6/7 to specify MICBIAS voltage
HDmax98090.txt23 - maxim,micbias: Micbias voltage applies to the analog mic, valid voltages value are:
50 * MICBIAS
Dsamsung,midas-audio.yaml51 description: Supply for the micbias on the Main microphone
54 description: Supply for the micbias on the Sub microphone
57 description: Supply for the micbias on the Headset microphone
77 description: IO channel to read micbias voltage for headset detection
HDcs42l52.txt29 - cirrus,micbias-lvl: Set the output voltage level on the MICBIAS Pin
45 cirrus,micbias-lvl = <5>;
Dqcom,msm8916-wcd-analog.txt32 - vdd-micbias-supply: phandle of VDD_MICBIAS supply's regulator DT node.
40 from micbias.
41 - qcom,micbias-lvl: Voltage (mV) for Mic Bias
98 vdd-micbias-supply = <&pm8916_l13>;
Dmaxim,max98090.yaml15 HPL, HPR, SPKL, SPKR, RCVL, RCVR, MICBIAS
46 maxim,micbias:
51 Micbias voltage applied to the analog mic, valid voltages value are:
HDnau8821.txt23 - nuvoton,micbias-voltage: Micbias voltage level.
51 nuvoton,micbias-voltage = <6>;
HDcs42l56.txt30 - cirrus,micbias-lvl: Set the output voltage level on the MICBIAS Pin.
61 cirrus,micbias-lvl = <5>;
Dnvidia,tegra-audio-max9808x.yaml58 - MICBIAS
79 "MIC1", "MICBIAS",
80 "MICBIAS", "Internal Mic 1",
/freebsd-head/sys/contrib/device-tree/include/dt-bindings/sound/
HDtlv320adc3xxx.h23 #define ADC3XXX_MICBIAS_OFF 0 /* Micbias pin powered off */
24 #define ADC3XXX_MICBIAS_2_0V 1 /* Micbias pin set to 2.0V */
25 #define ADC3XXX_MICBIAS_2_5V 2 /* Micbias pin set to 2.5V */
26 #define ADC3XXX_MICBIAS_AVDD 3 /* Use AVDD voltage for micbias pin */
/freebsd-head/sys/contrib/device-tree/Bindings/extcon/
Dwlf,arizona.yaml64 Time allowed for MICBIAS to startup prior to performing microphone
89 wlf,micd-force-micbias:
91 Force MICBIAS continuously on during microphone detection.
108 The second cell represents the MICBIAS to be used. Zero

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