On 25/06/2023 11:48, Sherry Sun wrote: > LPUART driver adds a new compatible string for imx8ulp, and imx93 is What driver adds or not, is not really correct argument for compatibility. There are plenty of compatible devices which have both device ID entries in the driver. Why would you drop their compatibility between each other? It does not work like that... Provide clear rationale for this. > much more compatible with imx8ulp than imx7ulp, so correct the > dt-binding here. > "Much more compatible" is too vague. Best regards, Krzysztof