[PATCH 1/3] dt-bindings: soc: sophgo: add Milk-V Duo S board compatibles

[Joshua Milas]

Document the compatible strings for the Milk-V Duo S board [1]
which uses the SOPHGO SG2000 SoC [2] on the ARM64 side. The RISCV
side uses the SOPHGO CV1812h [3].

Link: https://milkv.io/duo-s [1]
Link: https://en.sophgo.com/sophon-u/product/introduce/sg200x.html [2]
Link: https://www.sophgo.com/sophon-u/product/introduce/cv181xh.html [3]

Signed-off-by: Joshua Milas <josh.milas at gmail.com>
---
 Documentation/devicetree/bindings/soc/sophgo/sophgo.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/sophgo/sophgo.yaml b/Documentation/devicetree/bindings/soc/sophgo/sophgo.yaml
index 1c502618de51..63773811b80f 100644
--- a/Documentation/devicetree/bindings/soc/sophgo/sophgo.yaml
+++ b/Documentation/devicetree/bindings/soc/sophgo/sophgo.yaml
@@ -25,12 +25,17 @@ properties:
       - items:
           - enum:
               - sophgo,huashan-pi
+              - milkv,duo-s
           - const: sophgo,cv1812h
       - items:
           - enum:
               - milkv,duo-module-01-evb
           - const: milkv,duo-module-01
           - const: sophgo,sg2000
+      - items:
+          - enum:
+              - milkv,duo-s
+          - const: sophgo,sg2000
       - items:
           - enum:
               - sipeed,licheerv-nano-b
-- 
2.51.0