Re: [DMARC error][DKIM error] [PATCH 3/4] arm64: dts: add support for A4 based Amlogic BA400

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On 14/03/2024 06:19, Xianwei Zhao wrote:
>>> +
>>> +             apb@fe000000 {
>>> +                     compatible = "simple-bus";
>>> +                     reg = <0x0 0xfe000000 0x0 0x480000>;
>>> +                     #address-cells = <2>;
>>> +                     #size-cells = <2>;
>>> +                     ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x480000>;
>>> +
>>> +                     uart_b: serial@7a000 {
>>> +                             compatible = "amlogic,meson-s4-uart",
>>
>> If I'm not wrong, you need to create dt-binding alias for meson-a4-uart
>> and use it as 3rd compatible string.
>>
> On UART module, A4 and A5 SoCs exactly the same as S4. There's no 
> difference.

That's not really the point. You are supposed to always provide SoC
specific compatible in front of the fallback. See writing bindings document.


Best regards,
Krzysztof





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