The SMARC-sAM67 board has an on-board uC which has the same register
interface as the older CPLD implementation on the SMARC-sAL28 board.
Although the MCU emulates the same behavior, be prepared for any quirks
and add a board specific compatible.

Signed-off-by: Michael Walle <mwalle@kernel.org>
---
 .../devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml b/Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml
index 179272f74de5..b5b624e85468 100644
--- a/Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml
@@ -18,7 +18,12 @@ allOf:
 
 properties:
   compatible:
-    const: kontron,sl28cpld-wdt
+    oneOf:
+      - items:
+          - enum:
+              - kontron,sa67mcu-wdt
+          - const: kontron,sl28cpld-wdt
+      - const: kontron,sl28cpld-wdt
 
   reg:
     maxItems: 1
-- 
2.39.5

On 22/08/2025 15:15, Michael Walle wrote:
> The SMARC-sAM67 board has an on-board uC which has the same register
> interface as the older CPLD implementation on the SMARC-sAL28 board.
> Although the MCU emulates the same behavior, be prepared for any quirks
> and add a board specific compatible.
> 
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof