From patchwork Thu Apr 2 19:49:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eddie James X-Patchwork-Id: 202500 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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=no 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 27BB4C43331 for ; Thu, 2 Apr 2020 19:50:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0735C20719 for ; Thu, 2 Apr 2020 19:50:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732950AbgDBTuJ (ORCPT ); Thu, 2 Apr 2020 15:50:09 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:5038 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730837AbgDBTuI (ORCPT ); Thu, 2 Apr 2020 15:50:08 -0400 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 032JYSUI016331; Thu, 2 Apr 2020 15:49:58 -0400 Received: from ppma04dal.us.ibm.com (7a.29.35a9.ip4.static.sl-reverse.com [169.53.41.122]) by mx0b-001b2d01.pphosted.com with ESMTP id 304gstrbpk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2020 15:49:58 -0400 Received: from pps.filterd (ppma04dal.us.ibm.com [127.0.0.1]) by ppma04dal.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id 032JnXb6023053; Thu, 2 Apr 2020 19:49:58 GMT Received: from b01cxnp22036.gho.pok.ibm.com (b01cxnp22036.gho.pok.ibm.com [9.57.198.26]) by ppma04dal.us.ibm.com with ESMTP id 301x7766ss-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2020 19:49:58 +0000 Received: from b01ledav005.gho.pok.ibm.com (b01ledav005.gho.pok.ibm.com [9.57.199.110]) by b01cxnp22036.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 032JnvHV16122750 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 2 Apr 2020 19:49:57 GMT Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 46DF4AE062; Thu, 2 Apr 2020 19:49:57 +0000 (GMT) Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5545DAE05C; Thu, 2 Apr 2020 19:49:56 +0000 (GMT) Received: from ghost4.ibm.com (unknown [9.163.31.233]) by b01ledav005.gho.pok.ibm.com (Postfix) with ESMTP; Thu, 2 Apr 2020 19:49:56 +0000 (GMT) From: Eddie James To: linux-aspeed@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, robh+dt@kernel.org, joel@jms.id.au, andrew@aj.id.au, eajames@linux.ibm.com Subject: [PATCH v7 0/5] soc: aspeed: Add XDMA engine driver Date: Thu, 2 Apr 2020 14:49:50 -0500 Message-Id: <20200402194955.16643-1-eajames@linux.ibm.com> X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.676 definitions=2020-04-02_09:2020-04-02,2020-04-02 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 malwarescore=0 suspectscore=1 priorityscore=1501 lowpriorityscore=0 phishscore=0 clxscore=1011 mlxlogscore=734 mlxscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004020142 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This series adds a driver to control the Aspeed XDMA engine embedded in the AST2500 and AST2600. The XDMA engine performs automatic DMA operations over PCI-E between the Aspeed SOC (acting as a BMC) and a host processor. Changes since v6: - See individual patches Eddie James (5): dt-bindings: soc: Add Aspeed XDMA engine soc: aspeed: Add XDMA Engine Driver soc: aspeed: xdma: Add user interface soc: aspeed: xdma: Add reset ioctl ARM: dts: Aspeed: AST2600: Add XDMA PCI-E root control reset .../devicetree/bindings/soc/aspeed/xdma.txt | 44 + MAINTAINERS | 8 + arch/arm/boot/dts/aspeed-g6.dtsi | 3 +- drivers/soc/aspeed/Kconfig | 8 + drivers/soc/aspeed/Makefile | 1 + drivers/soc/aspeed/aspeed-xdma.c | 1084 +++++++++++++++++ include/uapi/linux/aspeed-xdma.h | 42 + 7 files changed, 1189 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/soc/aspeed/xdma.txt create mode 100644 drivers/soc/aspeed/aspeed-xdma.c create mode 100644 include/uapi/linux/aspeed-xdma.h