From: Konstantin Pugin <ria.freelander@gmail.com>

EXAR XR20M1172 UART is mostly register-compatible with NXP SPI UARTs.
It will be handled by same driver, so, it makes sense to add DT
definition for these block into driver's documentation.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Konstantin Pugin <ria.freelander@gmail.com>
---
 Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml
index 5dec15b7e7c3..c4bedf23368b 100644
--- a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml
+++ b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml
@@ -12,6 +12,7 @@ maintainers:
 properties:
   compatible:
     enum:
+      - exar,xr20m1172
       - nxp,sc16is740
       - nxp,sc16is741
       - nxp,sc16is750
-- 
2.44.0

On Sat, Apr 20, 2024 at 09:22:05PM +0300, Konstantin Pugin wrote:
> From: Konstantin Pugin <ria.freelander@gmail.com>
> 
> EXAR XR20M1172 UART is mostly register-compatible with NXP SPI UARTs.
> It will be handled by same driver, so, it makes sense to add DT
> definition for these block into driver's documentation.

Still Description is missing the part about Exar involvement here...
OTOH, not a DT guy here and you got the Ack:s, so feel free to ignore
my comment.

-- 
With Best Regards,
Andy Shevchenko