dt-bindings: arm: rockchip: Add Radxa Compute Module 3

Radxa Compute Module 3(CM3) is one of the modules from a series
System On Module based on the Radxa ROCK 3 series and is compatible
with Raspberry Pi CM4 in pinout and form factor.

Specification:
- Rockchip RK3566
- up to 8GB LPDDR4
- up to 128GB high performance eMMC
- Optional wireless LAN, 2.4GHz and 5.0GHz IEEE 802.11b/g/n/ac wireless,
  BT 5.0, BLE with onboard and external antenna.
- Gigabit Ethernet PHY

Add dt-bindings for Radxa CM3.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230112105902.192852-1-jagan@amarulasolutions.com
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 d921265cb8ba291e787cb46a21fe74b836dc8a57..f0ea8d8d2130b8e230645706441dff9705f00b16 100644 (file)
--- a/Documentation/devicetree/bindings/arm/rockchip.yaml
+++ b/Documentation/devicetree/bindings/arm/rockchip.yaml
@@ -609,6 +609,13 @@ properties:
           - const: pine64,soquartz
           - const: rockchip,rk3566
 
+      - description: Radxa Compute Module 3(CM3)
+        items:
+          - enum:
+              - radxa,radxa-cm3-io
+          - const: radxa,radxa-cm3
+          - const: rockchip,rk3566
+
       - description: Radxa CM3 Industrial
         items:
           - enum: