From patchwork Thu Mar 18 11:52:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?QmVuY2UgQ3PDs2vDoXM=?= X-Patchwork-Id: 404313 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2D59AC433E0 for ; Thu, 18 Mar 2021 11:36:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D43DE64F2A for ; Thu, 18 Mar 2021 11:36:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229925AbhCRLgJ (ORCPT ); Thu, 18 Mar 2021 07:36:09 -0400 Received: from mail.sch.bme.hu ([152.66.249.140]:15944 "EHLO mail.sch.bme.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229745AbhCRLfw (ORCPT ); Thu, 18 Mar 2021 07:35:52 -0400 Received: from Exchange2016-1.sch.bme.hu (152.66.249.140) by Exchange2016-1.sch.bme.hu (152.66.249.140) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2176.2; Thu, 18 Mar 2021 12:35:46 +0100 Received: from Cognitio.sch.bme.hu (152.66.211.220) by Exchange2016-1.sch.bme.hu (152.66.249.140) with Microsoft SMTP Server id 15.1.2176.2 via Frontend Transport; Thu, 18 Mar 2021 12:35:46 +0100 From: =?utf-8?b?QmVuY2UgQ3PDs2vDoXM=?= To: CC: =?utf-8?b?QmVuY2UgQ3PDs2vDoXM=?= , Subject: [PATCH v3 0/2] Add i2c-cp2615 Date: Thu, 18 Mar 2021 11:52:08 +0000 Message-ID: <20210318115210.2014204-1-bence98@sch.bme.hu> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org For a hardware project, I need the I2C master of SiLabs' CP2615 chip to be visible from under Linux. This patchset adds i2c-cp2615, a driver which sets up an i2c_adapter for said chip. Changes in v3: * Fixed SPDX header * Added I2C_AQ_NO_REP_START adapter quirk to i2c.h * Added I2C_AQ_NO_ZERO_LEN | I2C_AQ_NO_REP_START to CP2615's quirk flags * Made the driver only bind to the IOP interface * Return -ENXIO instead of -ECOMM when the device does not ACK * Formatting, fix almost all warnings and checks from `checkpatch --strict` * CamelCase checks remain. These identifiers were taken from SiLabs' Application Note, I thought it made sense to preserve these as-is. Bence Csókás (2): i2c: Add I2C_AQ_NO_REP_START adapter quirk Adding i2c-cp2615: i2c support for Silicon Labs' CP2615 Digital Audio Bridge drivers/i2c/busses/Kconfig | 10 ++ drivers/i2c/busses/Makefile | 1 + drivers/i2c/busses/i2c-cp2615.c | 279 ++++++++++++++++++++++++++++++++ include/linux/i2c.h | 2 + 4 files changed, 292 insertions(+) create mode 100644 drivers/i2c/busses/i2c-cp2615.c