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-rw-r--r--dts/Bindings/sound/adi,adau1977.txt13
1 files changed, 10 insertions, 3 deletions
diff --git a/dts/Bindings/sound/adi,adau1977.txt b/dts/Bindings/sound/adi,adau1977.txt
index e79aeef..9225472 100644
--- a/dts/Bindings/sound/adi,adau1977.txt
+++ b/dts/Bindings/sound/adi,adau1977.txt
@@ -17,12 +17,18 @@ Required properties:
Documentation/devicetree/bindings/regulator/regulator.txt
Optional properties:
- - reset-gpio: the reset pin for the chip, for more details consult
+ - reset-gpios: the reset pin for the chip, for more details consult
Documentation/devicetree/bindings/gpio/gpio.txt
- DVDD-supply: supply voltage for the digital core, please consult
Documentation/devicetree/bindings/regulator/regulator.txt
+- adi,micbias: configures the voltage setting for the MICBIAS pin.
+ Select 0/1/2/3/4/5/6/7/8 to specify MICBIAS voltage
+ 5V/5.5V/6V/6.5V/7V/7.5V/8V/8.5V/9V
+ If not specified the default value will be "7" meaning 8.5 Volts.
+ This property is only valid for the ADAU1977
+
For required properties on SPI, please consult
Documentation/devicetree/bindings/spi/spi-bus.txt
@@ -40,7 +46,8 @@ Examples:
AVDD-supply = <&regulator>;
DVDD-supply = <&regulator_digital>;
- reset_gpio = <&gpio 10 GPIO_ACTIVE_LOW>;
+ adi,micbias = <3>;
+ reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
};
adau1977_i2c: adau1977@11 {
@@ -50,5 +57,5 @@ Examples:
AVDD-supply = <&regulator>;
DVDD-supply = <&regulator_digital>;
- reset_gpio = <&gpio 10 GPIO_ACTIVE_LOW>;
+ reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
};