GPIO Driver for Skylake-Y PCH

Andy Shevchenko andriy.shevchenko at
Mon Jun 17 04:06:14 EDT 2019

On Sat, Jun 15, 2019 at 03:30:24PM -0400, Valdis Klētnieks wrote:
> On Fri, 14 Jun 2019 15:40:59 -0700, "Alexander Ivanov" said:
> (Adding likely knowledgeable  people to the recipients)
> Jean,  Andy, Linus: The situation thus far:  Alexander has a system with this GPIO on it:

How come that this device is GPIO?
I mean what makes you, guys, to come to this conclusion?

> > lspci -vvvnns 1f.1
> > 00:1f.1 Memory controller [0580]: Intel Corporation Device [8086:9d20] (rev 21)
> >  Subsystem: Gigabyte Technology Co., Ltd Device [1458:1000]
> >  Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
> >  Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> >  Latency: 0
> >  Region 0: Memory at 7d000000 (64-bit, non-prefetchable) [size=16M]

> The obvious first thing to try was:

...which is obviously wrong. See above.

P.S. Agree with Greg that one must update kernel either to LTS or to latest
supported one.

With Best Regards,
Andy Shevchenko

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