[PATCH v4 1/3] dt-bindings: soc: sophgo: add Milk-V Duo 256M board

[Chen-Yu Yeh]

Add compatible string for the Milk-V Duo 256M board.

Signed-off-by: Chen-Yu Yeh <chenyou910331@xxxxxxxxx>
Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/soc/sophgo/sophgo.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/sophgo/sophgo.yaml b/Documentation/devicetree/bindings/soc/sophgo/sophgo.yaml
index 0b6fbab48b74..99194d8721ef 100644
--- a/Documentation/devicetree/bindings/soc/sophgo/sophgo.yaml
+++ b/Documentation/devicetree/bindings/soc/sophgo/sophgo.yaml
@@ -35,6 +35,10 @@ properties:
           - enum:
               - milkv,duo-s
           - const: sophgo,sg2000
+      - items:
+          - enum:
+              - milkv,duo256m
+          - const: sophgo,sg2002
       - items:
           - enum:
               - sipeed,licheerv-nano-b
-- 
2.43.0