dt-bindings: add rk3288-based Asus Tinker board

Tinker board is a credit card size develop board designed by Asus.
Powered by RK3288.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Eddie Cai <eddie.cai.linux@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/Documentation/devicetree/bindings/arm/rockchip.txt b/Documentation/devicetree/bindings/arm/rockchip.txt
index cc4ace6397abda9ffa0a7aa02a0fce76eff5c6e0..226ee9131078d1db794ca7ce1cb5be42bf14cd15 100644 (file)
--- a/Documentation/devicetree/bindings/arm/rockchip.txt
+++ b/Documentation/devicetree/bindings/arm/rockchip.txt
@@ -1,5 +1,8 @@
 Rockchip platforms device tree bindings
 ---------------------------------------
+- Asus Tinker board
+    Required root node properties:
+      - compatible = "asus,rk3288-tinker", "rockchip,rk3288";
 
 - Kylin RK3036 board:
     Required root node properties: