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Documentation / devicetree / bindings / sound / sgtl5000.txt




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Based on kernel version 4.8. Page generated on 2016-10-06 23:14 EST.

1	* Freescale SGTL5000 Stereo Codec
2	
3	Required properties:
4	- compatible : "fsl,sgtl5000".
5	
6	- reg : the I2C address of the device
7	
8	- clocks : the clock provider of SYS_MCLK
9	
10	- VDDA-supply : the regulator provider of VDDA
11	
12	- VDDIO-supply: the regulator provider of VDDIO
13	
14	Optional properties:
15	
16	- VDDD-supply : the regulator provider of VDDD
17	
18	- micbias-resistor-k-ohms : the bias resistor to be used in kOmhs
19		The resistor can take values of 2k, 4k or 8k.
20		If set to 0 it will be off.
21		If this node is not mentioned or if the value is unknown, then
22		micbias	resistor is set to 4K.
23	
24	- micbias-voltage-m-volts : the bias voltage to be used in mVolts
25		The voltage can take values from 1.25V to 3V by 250mV steps
26		If this node is not mentioned or the value is unknown, then
27		the value is set to 1.25V.
28	
29	Example:
30	
31	codec: sgtl5000@0a {
32		compatible = "fsl,sgtl5000";
33		reg = <0x0a>;
34		clocks = <&clks 150>;
35		micbias-resistor-k-ohms = <2>;
36		micbias-voltage-m-volts = <2250>;
37		VDDA-supply = <&reg_3p3v>;
38		VDDIO-supply = <&reg_3p3v>;
39	};
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