GPIO Driver for Skylake-Y PCH

Alexander Ivanov amivanov at
Mon Jun 17 20:00:54 EDT 2019

On Mon, 17 Jun 2019 09:39 -07:00, Andy Shevchenko <andriy.shevchenko at> wrote:
> How come that this device is GPIO?
> I mean what makes you, guys, to come to this conclusion?

Intel document 332996-002EN [1] chapter 28 says GPP_* groups are accessible through the PCH Sideband Interface, while 332690-004EN [2] defines P2SB at d31.f1 

Obviously, I am wrong here. However, the question stands, is there linux kernel support for Intel PCH GPIO?


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