Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030679AbbD1R5m (ORCPT ); Tue, 28 Apr 2015 13:57:42 -0400 Received: from mail-wi0-f172.google.com ([209.85.212.172]:37883 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030316AbbD1R5l (ORCPT ); Tue, 28 Apr 2015 13:57:41 -0400 Date: Tue, 28 Apr 2015 18:57:35 +0100 From: Lee Jones To: Mika Westerberg Cc: Andy Shevchenko , "Rafael J. Wysocki" , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Heikki Krogerus , Jarkko Nikula Subject: Re: [PATCH v1 3/3] mfd: Add support for Intel Sunrisepoint LPSS devices Message-ID: <20150428175735.GG9169@x1> References: <1427803182-62543-1-git-send-email-andriy.shevchenko@linux.intel.com> <1427803182-62543-4-git-send-email-andriy.shevchenko@linux.intel.com> <20150428133259.GD9169@x1> <20150428134833.GJ1534@lahna.fi.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20150428134833.GJ1534@lahna.fi.intel.com> 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: 1252 Lines: 30 On Tue, 28 Apr 2015, Mika Westerberg wrote: > On Tue, Apr 28, 2015 at 02:32:59PM +0100, Lee Jones wrote: > > On Tue, 31 Mar 2015, Andy Shevchenko wrote: > > > > > The new coming Intel platforms such as Skylake will contain Sunrisepoint PCH. > > > The main difference to the previous platforms is that the LPSS devices are > > > compound devices where usually main (SPI, HSUART, or I2C) and DMA IPs are > > > present. > > > > > > This patch brings the driver for such devices found on Sunrisepoint PCH. > > > > I'm not convinced it's really an MFD. What does this hardware look > > like? Are the Designware devices really in the same memory/register > > space as the LPSS registers? > > Yes they are - there is only single MMIO BAR per PCI device holding, the > host controller, iDMA and convergence layer registers. Are there publicly available docs? -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/