From patchwork Mon Jul 1 19:53:52 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eddie James X-Patchwork-Id: 1125577 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45cykt3nrnz9s8m for ; Tue, 2 Jul 2019 05:54:46 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727025AbfGATyp (ORCPT ); Mon, 1 Jul 2019 15:54:45 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:63734 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726642AbfGATyK (ORCPT ); Mon, 1 Jul 2019 15:54:10 -0400 Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x61Jb9lc108454 for ; Mon, 1 Jul 2019 15:54:08 -0400 Received: from e33.co.us.ibm.com (e33.co.us.ibm.com [32.97.110.151]) by mx0b-001b2d01.pphosted.com with ESMTP id 2tfq1p420s-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 01 Jul 2019 15:54:08 -0400 Received: from localhost by e33.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 1 Jul 2019 20:54:03 +0100 Received: from b03ledav001.gho.boulder.ibm.com (b03ledav001.gho.boulder.ibm.com [9.17.130.232]) by b03cxnp08025.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x61Js28m61866444 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 1 Jul 2019 19:54:02 GMT Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D58AC6E052; Mon, 1 Jul 2019 19:54:02 +0000 (GMT) Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 43F436E04E; Mon, 1 Jul 2019 19:54:02 +0000 (GMT) Received: from talon7.ibm.com (unknown [9.41.179.222]) by b03ledav001.gho.boulder.ibm.com (Postfix) with ESMTP; Mon, 1 Jul 2019 19:54:02 +0000 (GMT) From: Eddie James To: linux-aspeed@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, arnd@arndb.de, robh+dt@kernel.org, mark.rutland@arm.com, devicetree@vger.kernel.org, joel@jms.id.au, eduval@amazon.com, Eddie James Subject: [PATCH v4 1/8] dt-bindings: soc: Add Aspeed XDMA engine binding documentation Date: Mon, 1 Jul 2019 14:53:52 -0500 X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1562010839-1113-1-git-send-email-eajames@linux.ibm.com> References: <1562010839-1113-1-git-send-email-eajames@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19070119-0036-0000-0000-00000AD28F4D X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00011361; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000286; SDB=6.01226037; UDB=6.00645423; IPR=6.01007250; MB=3.00027541; MTD=3.00000008; XFM=3.00000015; UTC=2019-07-01 19:54:06 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19070119-0037-0000-0000-00004C6EA436 Message-Id: <1562010839-1113-2-git-send-email-eajames@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-01_12:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=983 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907010230 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Document the bindings. Reviewed-by: Andrew Jeffrey Signed-off-by: Eddie James Reviewed-by: Rob Herring --- .../devicetree/bindings/soc/aspeed/xdma.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/aspeed/xdma.txt diff --git a/Documentation/devicetree/bindings/soc/aspeed/xdma.txt b/Documentation/devicetree/bindings/soc/aspeed/xdma.txt new file mode 100644 index 0000000..85e82ea --- /dev/null +++ b/Documentation/devicetree/bindings/soc/aspeed/xdma.txt @@ -0,0 +1,23 @@ +* Device tree bindings for the Aspeed XDMA Engine + +The XDMA Engine embedded in the AST2500 SOC can perform automatic DMA +operations over PCI between the AST2500 (acting as a BMC) and a host processor. + +Required properties: + + - compatible "aspeed,ast2500-xdma" + - reg contains the offset and length of the memory region + assigned to the XDMA registers + - resets reset specifier for the syscon reset associated with + the XDMA engine + - interrupts the interrupt associated with the XDMA engine on this + platform + +Example: + + xdma@1e6e7000 { + compatible = "aspeed,ast2500-xdma"; + reg = <0x1e6e7000 0x100>; + resets = <&syscon ASPEED_RESET_XDMA>; + interrupts = <6>; + };