From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752631AbaESBqW (ORCPT ); Sun, 18 May 2014 21:46:22 -0400 Received: from mga02.intel.com ([134.134.136.20]:54160 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750969AbaESBqV (ORCPT ); Sun, 18 May 2014 21:46:21 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.98,864,1392192000"; d="scan'208";a="513651924" Message-ID: <5379626A.9020203@linux.intel.com> Date: Mon, 19 May 2014 09:46:18 +0800 From: "Zhu, Lejun" User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: =?ISO-8859-1?Q?Daniel_Gl=F6ckner?= , aaron.lu@intel.com CC: linus.walleij@linaro.org, gnurou@gmail.com, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, bin.yang@intel.com Subject: Re: gpio: Add support for Intel SoC PMIC (Crystal Cove) References: <1400082247-24168-1-git-send-email-lejun.zhu@linux.intel.com> <20140516174619.GA1471@emlix.com> In-Reply-To: <20140516174619.GA1471@emlix.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/17/2014 1:46 AM, Daniel Glöckner wrote: > Hi Lejun, > > On Wed, May 14, 2014 at 11:44:07PM +0800, Zhu, Lejun wrote: >> This patch adds support for the GPIO function in Crystal Cove. > > in our device ACPI makes use of "virtual" GPIOs that have numbers from > 0x20 to 0x5E to change various bits in the PMIC. Do you know if this > is officially supported by the INT33FD ACPI device or if it is a > vendor hack? > > Daniel > Hi, sorry I'm quite familiar with ACPI. I know Aaron is looking at the possibility to use these pins in Linux ACPI, but so far we don't have any code. Best Regards Lejun