Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753155AbcLGR6G (ORCPT ); Wed, 7 Dec 2016 12:58:06 -0500 Received: from smtprelay2.synopsys.com ([198.182.60.111]:43542 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752017AbcLGR6E (ORCPT ); Wed, 7 Dec 2016 12:58:04 -0500 From: Luis Oliveira To: wsa@the-dreams.de, robh+dt@kernel.org, mark.rutland@arm.com, jarkko.nikula@linux.intel.com, andriy.shevchenko@linux.intel.com, mika.westerberg@linux.intel.com, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Luis.Oliveira@synopsys.com, Ramiro.Oliveira@synopsys.com, Joao.Pinto@synopsys.com, CARLOS.PALMINHA@synopsys.com Subject: [PATCH v4 0/5] i2c: designware: Add slave support Date: Wed, 7 Dec 2016 17:55:47 +0000 Message-Id: X-Mailer: git-send-email 2.11.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1842 Lines: 36 The purpose of this patch is to enable Linux to be a I2C slave by enabling the slave functionality in the designware I2C controller. The patch refactors the original i2c-designware-core and extracts all master functions to a i2c-designware-master source file as suggested by Andy Shevchenko. It also creates a i2c-designware-slave source file and keeps the common functions in the i2c-designware-src source file. For that changes also had to be made in the Makefile and Kconfig. The driver instantiates in slave or master mode by checking the compatible string of the device tree (see devicetree/bindings/i2c/i2c-designware.txt). ACPI is not supported. The functionality was tested using the hardware independent software backend slave-eeprom driver. Luis Oliveira (5): i2c: designware: Refactoring of the i2c-designware i2c: designware: Master mode as separated driver i2c: designware: Add slave definitions i2c: designware: Add slave mode as separated driver i2c: designware: Cleaning comments and formatation .../devicetree/bindings/i2c/i2c-designware.txt | 4 + drivers/i2c/busses/Kconfig | 1 + drivers/i2c/busses/Makefile | 1 + drivers/i2c/busses/i2c-designware-common.c | 258 ++++++++++++ drivers/i2c/busses/i2c-designware-core.h | 158 ++++++++ ...c-designware-core.c => i2c-designware-master.c} | 380 ++---------------- drivers/i2c/busses/i2c-designware-platdrv.c | 106 ++++- drivers/i2c/busses/i2c-designware-slave.c | 435 +++++++++++++++++++++ 8 files changed, 973 insertions(+), 370 deletions(-) create mode 100644 drivers/i2c/busses/i2c-designware-common.c rename drivers/i2c/busses/{i2c-designware-core.c => i2c-designware-master.c} (66%) create mode 100644 drivers/i2c/busses/i2c-designware-slave.c -- 2.11.0