[PATCH] dt-bindings: Add doc for FriendlyARM NanoPi R2S

[David Bauer <mail@xxxxxxxxxxxxxxx>]

Add devicetree binding documentation for the FriendlyARM NanoPi R2S.

Signed-off-by: David Bauer <mail@xxxxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/arm/rockchip.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/rockchip.yaml b/Documentation/devicetree/bindings/arm/rockchip.yaml
index d4a4045092df..b17931ec2d86 100644
--- a/Documentation/devicetree/bindings/arm/rockchip.yaml
+++ b/Documentation/devicetree/bindings/arm/rockchip.yaml
@@ -104,6 +104,11 @@ properties:
               - firefly,roc-rk3399-pc-mezzanine
           - const: rockchip,rk3399
 
+      - description: FriendlyARM NanoPi R2S
+        items:
+          - const: friendlyarm,nanopi-r2s
+          - const: rockchip,rk3328
+
       - description: FriendlyElec NanoPi4 series boards
         items:
           - enum:
-- 
2.27.0