--- zzzz-none-000/linux-3.10.107/Documentation/devicetree/bindings/sound/wm8804.txt	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/Documentation/devicetree/bindings/sound/wm8804.txt	2021-02-04 17:41:59.000000000 +0000
@@ -10,6 +10,13 @@
   - reg : the I2C address of the device for I2C, the chip select
           number for SPI.
 
+  - PVDD-supply, DVDD-supply : Power supplies for the device, as covered
+    in Documentation/devicetree/bindings/regulator/regulator.txt
+
+Optional properties:
+
+  - wlf,reset-gpio: A GPIO specifier for the GPIO controlling the reset pin
+
 Example:
 
 codec: wm8804@1a {