dt-bindings: arm: rockchip: add Radxa CM3I E25

Radxa CM3 Industrial (CM3I) is an System on Module made by Radxa
based on the Rockchip RK3568 SoC. The first carrier board supported
is the Radxa E25. Add devicetree binding documentation for it.

Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20221209102524.129367-2-amadeus@jmu.edu.cn
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/Documentation/devicetree/bindings/arm/rockchip.yaml b/Documentation/devicetree/bindings/arm/rockchip.yaml
index 88ff442..3af95db 100644 (file)
--- a/Documentation/devicetree/bindings/arm/rockchip.yaml
+++ b/Documentation/devicetree/bindings/arm/rockchip.yaml
@@ -599,6 +599,13 @@ properties:
           - const: pine64,soquartz
           - const: rockchip,rk3566
 
+      - description: Radxa CM3 Industrial
+        items:
+          - enum:
+              - radxa,e25
+          - const: radxa,cm3i
+          - const: rockchip,rk3568
+
       - description: Radxa Rock
         items:
           - const: radxa,rock