Re: [PATCH v4 2/3] arm64: dts: amlogic: Add A4 Reset Controller

[Krzysztof Kozlowski]

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