Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759373AbcCVLLK (ORCPT ); Tue, 22 Mar 2016 07:11:10 -0400 Received: from mail-qk0-f174.google.com ([209.85.220.174]:35179 "EHLO mail-qk0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758746AbcCVKmS (ORCPT ); Tue, 22 Mar 2016 06:42:18 -0400 Date: Tue, 22 Mar 2016 11:42:08 +0100 From: nicolas saenz julienne To: Geert Uytterhoeven Cc: Linus Walleij , Alexandre Courbot , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-gpio@vger.kernel.org" , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala Subject: Re: [PATCH] gpio: 74x164: add dt support for nxp's 74x594 Message-ID: <20160322104207.GA2842@marie-Aspire-5600> References: <1457998330-8070-1-git-send-email-nicolassaenzj@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 690 Lines: 20 Hi sorry for the late response but I was on vacation. > > Why did you choose the "lvc" variant? Well to be honest the HW people did and it's all I could test with. I don't know much about these naming schemes, apart from the intuition it has to do with frequency and line levels. > Ideally, you want to put the oldest "manuf,74x594" variant here. What do you mean by oldest? What would you suggest? it's funny because the chip is going to be used on a new product that is meant to be produced for years. > I once read it was Motorola who invented the 7459x parts, to interface with > SPI. > > Gr{oetje,eeting}s, > > Geert > Thanks for your comments! Nicolas