Merge remote-tracking branches 'asoc/topic/wm8991', 'asoc/topic/wm8993', 'asoc/topic...

[karo-tx-linux.git] / Documentation / devicetree / bindings / sound / sgtl5000.txt

diff --git a/Documentation/devicetree/bindings/sound/sgtl5000.txt b/Documentation/devicetree/bindings/sound/sgtl5000.txt
index d556dcb8816bd9537e2359f9e4e365ec873283d2..0e5e4eb3ef1bdd9c3b85ccfcd8c81fbbc5455f08 100644 (file)
--- a/Documentation/devicetree/bindings/sound/sgtl5000.txt
+++ b/Documentation/devicetree/bindings/sound/sgtl5000.txt
@@ -7,6 +7,17 @@ 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
@@ -21,6 +32,8 @@ codec: sgtl5000@0a {
        compatible = "fsl,sgtl5000";
        reg = <0x0a>;
        clocks = <&clks 150>;
+       micbias-resistor-k-ohms = <2>;
+       micbias-voltage-m-volts = <2250>;
        VDDA-supply = <&reg_3p3v>;
        VDDIO-supply = <&reg_3p3v>;
 };