[PATCH 11/13] dt-bindings: document PX30 usb2phy General Register Files

[Heiko Stuebner]

One of the separate General Register Files contains the registers for
controlling the usb2phy, so add the necessary binding compatible for it.

Signed-off-by: Heiko Stuebner <heiko@xxxxxxxxx>
---
 Documentation/devicetree/bindings/soc/rockchip/grf.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/soc/rockchip/grf.txt b/Documentation/devicetree/bindings/soc/rockchip/grf.txt
index 46e27cd69f18..d7debec26ba4 100644
--- a/Documentation/devicetree/bindings/soc/rockchip/grf.txt
+++ b/Documentation/devicetree/bindings/soc/rockchip/grf.txt
@@ -30,6 +30,7 @@ Required Properties:
 - compatible: SGRF should be one of the following
    - "rockchip,rk3288-sgrf", "syscon": for rk3288
 - compatible: USB2PHYGRF should be one of the followings
+   - "rockchip,px30-usb2phy-grf", "syscon": for px30
    - "rockchip,rk3328-usb2phy-grf", "syscon": for rk3328
 - compatible: USBGRF should be one of the following
    - "rockchip,rv1108-usbgrf", "syscon": for rv1108
-- 
2.20.1