On 17/03/2025 03:49, Kelvin Zhang wrote:
>>
>> Why do you have on the bus devices with bus addressing and without it?
>> What sort of bus is it?
>
> Are you referring to the 'apb'?
> If so, the 'apb' bus is defined in
> arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi.
>
> apb: bus@fe000000 {
> compatible = "simple-bus";
> reg = <0x0 0xfe000000 0x0 0x480000>;
> #address-cells = <2>;
> #size-cells = <2>;
> ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x480000>;
>
>>
>>> periphs_pinctrl: pinctrl {
Then what the heck is this?
>>> compatible = "amlogic,pinctrl-a4";
>>> #address-cells = <2>;
>>
>> Best regards,
>> Krzysztof
>>
>
Best regards,
Krzysztof
