clk: sunxi: document new A31 USB clock compatible

Support for the USB gates and resets on A31 has been recently added
using a new compatible, so let's document it here.

Signed-off-by: Emilio López <emilio@elopez.com.ar>

diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt
index a5160d8cbb5f7e1c020e925da23d491ca3b3a0a4..1f6d3f470c3635dac9afd3d2312e317f7b89a66a 100644 (file)
--- a/Documentation/devicetree/bindings/clock/sunxi.txt
+++ b/Documentation/devicetree/bindings/clock/sunxi.txt
@@ -41,6 +41,7 @@ Required properties:
        "allwinner,sun7i-a20-gmac-clk" - for the GMAC clock module on A20/A31
        "allwinner,sun4i-a10-usb-clk" - for usb gates + resets on A10 / A20
        "allwinner,sun5i-a13-usb-clk" - for usb gates + resets on A13
+       "allwinner,sun6i-a31-usb-clk" - for usb gates + resets on A31
 
 Required properties for all clocks:
 - reg : shall be the control register address for the clock.