From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan O'Donovan Subject: Re: UP Board and similar Date: Mon, 4 Jul 2016 16:33:45 +0100 Message-ID: <577A81D9.4010800@emutex.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from bert.emutex.com ([91.103.1.109]:33746 "EHLO bert.emutex.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932558AbcGDPdt (ORCPT ); Mon, 4 Jul 2016 11:33:49 -0400 In-Reply-To: Sender: platform-driver-x86-owner@vger.kernel.org List-ID: To: Andy Shevchenko , platform-driver-x86@vger.kernel.org Cc: "Darren Hart (Google+)" , Mika Westerberg Hi Andy On 06/30/2016 09:36 PM, Andy Shevchenko wrote: > Hi! > > Thank you for the series and sorry to answer as a new mail, just > subscribed to the list and didn't manage to retrieve archives (seems > VGER doesn't have them). Thanks very much for your reply. I appreciate you kick-starting a discussion on these patches. :-) > > So, regarding to enabling UP Board and similar open connected boards > (Galileo, Edison/Arduino, etc.). > > The mentioned boards are x86. There is currently no way to handle > pinctrl on them since they are ACPI-based. Moreover pinctrl doesn't > have a way to configure stuff for customer needs! > > What is my vision on the issue. Currently we have pending ACPI patches > from Octavian that help us to load ACPI DSDT overlays in a way as it > works for DT. This will make possible to create a blob to configure > pins. Thus, part of the patch series which hard codes the mappings is > not needed. And therefore your drivers should go somewhere under > drivers/pinctrl/intel folder which Mika (mostly) and I are supporting. Yes, I think that makes sense. This is essentially a pin control driver (except for some LED control functionality). > > We still need to agree on the above: which folder and how those > drivers should look like. Darren has suggested that I re-post the patches for review, so I'll do that next and see where the discussion takes us. > > P.S. Dan, next time please include me and Mika into Cc list for such > things. Thanks! > Will do, thanks!