RE: [PATCH 00/16] Add initial USB support for the Renesas RZ/G3S SoC

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Hi Claudiu,

> -----Original Message-----
> From: claudiu beznea <claudiu.beznea@xxxxxxxxx>
> Sent: Tuesday, September 3, 2024 12:00 PM
> Subject: Re: [PATCH 00/16] Add initial USB support for the Renesas RZ/G3S SoC
> 
> 
> 
> On 03.09.2024 13:31, Biju Das wrote:
> >>> During boot clr USB PWR READY signal in TF-A.
> >>> STR case, suspend set USB PWR READY signal in TF-A.
> >>> STR case, resume clr USB PWR READY signal in TF-A.
> >> As I said previously, it can be done in different ways. My point was
> >> to let Linux set what it needs for all it's devices to work. I think the way to go forward is a
> maintainer decision.
> >
> > I agree, there can be n number of solution for a problem.
> >
> > Since you modelled system state signal (USB PWRRDY) as reset control
> > signal, it is reset/DT maintainer's decision to say the final word whether this signal fits in reset
> system framework or not?
> 
> I was thinking:
> 1/ Geert would be the best to say if he considers it OK to handle this
>    in Linux

I agree Geert is the right person for taking SYSTEM decisions,
since the signal is used only during state transitions
(Table 41.6.4 AWO to ALL_ON and 41.6.3 ALL_ON to AWO)


> 2/ if OK, then we should get approval from Ulf and Philipp on the power
>    domain or reset approaches

Ok.

Cheers,
Biju




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