[PATCH 3/4] dt-bindings: riscv: add Sophgo x4 EVB bindings

[Han Gao]

Add DT binding documentation for the Sophgo x4 EVB board [1].

Link: https://github.com/sophgo/sophgo-hardware/tree/master/SG2042/SG2042-x4-EVB [1]

Signed-off-by: Han Gao <rabenda.cn at gmail.com>
---
 Documentation/devicetree/bindings/riscv/sophgo.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/riscv/sophgo.yaml b/Documentation/devicetree/bindings/riscv/sophgo.yaml
index ee244c9f75cc..0f93f4cbfc6c 100644
--- a/Documentation/devicetree/bindings/riscv/sophgo.yaml
+++ b/Documentation/devicetree/bindings/riscv/sophgo.yaml
@@ -35,6 +35,7 @@ properties:
           - enum:
               - milkv,pioneer
               - sophgo,sg2042-x8evb
+              - sophgo,sg2042-x4evb
           - const: sophgo,sg2042
 
 additionalProperties: true
-- 
2.47.2