dt-bindings: watchdog: Add SMARC-sAM67 support

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>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee@kernel.org>

diff --git a/Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml b/Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml
index 872a8471ef65fe11e4c9c65be8843605a5a35ec7..0821ba0e84a3cac28a2feee8781190eb1d3a463b 100644 (file)
--- 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