On Fri, Sep 12, 2025 at 02:07:43PM +0200, 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.
>
> Signed-off-by: Michael Walle <mwalle@kernel.org>
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
> ---
> .../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 872a8471ef65..0821ba0e84a3 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