[PATCH v2 1/2] dt-bindings: add root compatible property for PopMetal board

[Andy Yan]

PopMetal board is a rk3288 based board made by ChipSpark, this
add root compatible property for it

Signed-off-by: Andy Yan <andy.yan at rock-chips.com>

---

Changes in v2:
- change "PopMetal PopMetal-RK3288 board" to "ChipSPARK PopMetal-RK3288 board"

 Documentation/devicetree/bindings/arm/rockchip.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/rockchip.txt b/Documentation/devicetree/bindings/arm/rockchip.txt
index 6809e4e..60d4a1e 100644
--- a/Documentation/devicetree/bindings/arm/rockchip.txt
+++ b/Documentation/devicetree/bindings/arm/rockchip.txt
@@ -22,3 +22,7 @@ Rockchip platforms device tree bindings
       - compatible = "firefly,firefly-rk3288", "rockchip,rk3288";
     or
       - compatible = "firefly,firefly-rk3288-beta", "rockchip,rk3288";
+
+- ChipSPARK PopMetal-RK3288 board:
+    Required root node properties:
+      - compatible = "chipspark,popmetal-rk3288", "rockchip,rk3288";
-- 
1.9.1