From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757152Ab3B0Ilg (ORCPT ); Wed, 27 Feb 2013 03:41:36 -0500 Received: from mga03.intel.com ([143.182.124.21]:40375 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754297Ab3B0Ilf (ORCPT ); Wed, 27 Feb 2013 03:41:35 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,746,1355126400"; d="scan'208";a="206787215" Date: Wed, 27 Feb 2013 09:40:34 +0100 From: Samuel Ortiz To: Simon Glass Cc: LKML , Rob Landley , Felipe Balbi , Grant Likely , Wolfram Sang , Luigi Semenzato , Rob Herring , Che-Liang Chiou , Jonathan Kliegman , linux-input@vger.kernel.org, Sourav Poddar , devicetree-discuss@lists.ozlabs.org, Alban Bedel , Roland Stigge , Vincent Palatin , Javier Martinez Canillas , Mark Brown , linux-doc@vger.kernel.org, Dmitry Torokhov , Tony Lindgren , Bill Pemberton , Doug Anderson , Olof Johansson Subject: Re: [PATCH v6 0/6] Add ChromeOS Embedded Controller support Message-ID: <20130227084034.GE16414@sortiz-mobl> References: <1361830121-32284-1-git-send-email-sjg@chromium.org> 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 Hi Simon, On Tue, Feb 26, 2013 at 09:13:06PM -0800, Simon Glass wrote: > Hi Samuel, > > On Mon, Feb 25, 2013 at 2:08 PM, Simon Glass wrote: > > The ChromeOS Embedded Controller (EC) is an Open Source EC implementation > > used on ARM and Intel Chromebooks. Current implementations use a Cortex-M3 > > connected on a bus (such as I2C, SPI, LPC) to the AP. A separate interrupt > > line is used to indicate when the EC needs service. > > > > Functions performed by the EC vary by platform, but typically include > > battery charging, keyboard scanning and power sequencing. > > > > This series includes support for the EC message protocol, and implements > > a matrix keyboard handler for Linux using the protocol. The EC performs > > key scanning and passes scan data in response to AP requests. This is > > used on the Samsung ARM Chromebook. No driver is available for LPC at > > present. > > > > This series can in principle operate on any hardware, but for it to actually > > work on the Samsung ARM Chromebook, it needs patches which are currently in > > progress to mainline: Exynos FDT interrupt support and I2C bus arbitration. > > > > The driver is device-tree-enabled and a suitable binding is included in > > this series. Example device tree nodes are included in the examples, > > but no device tree patch for exynos5250-snow is provided at this stage, since > > we must wait for the above-mentioned patches to land to avoid errors from > > dtc. This can be added with a follow-on patch when that work is complete. > > > > Are you happy with this series? Do you think it is ready to be picked > up for mfd? It probably is, and it will be part of the next merge window. I'll apply the after the merge window closes. Cheers, Samuel. -- Intel Open Source Technology Centre http://oss.intel.com/