From patchwork Wed May 4 12:20:59 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lijun Ou X-Patchwork-Id: 9013391 Return-Path: X-Original-To: patchwork-linux-rdma@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 936259F1D3 for ; Wed, 4 May 2016 12:16:04 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B260C203A0 for ; Wed, 4 May 2016 12:16:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B675E2039C for ; Wed, 4 May 2016 12:16:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753085AbcEDMPg (ORCPT ); Wed, 4 May 2016 08:15:36 -0400 Received: from szxga01-in.huawei.com ([58.251.152.64]:40442 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752893AbcEDMIE (ORCPT ); Wed, 4 May 2016 08:08:04 -0400 Received: from 172.24.1.36 (EHLO szxeml426-hub.china.huawei.com) ([172.24.1.36]) by szxrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DJZ45748; Wed, 04 May 2016 20:07:57 +0800 (CST) Received: from linux-ioko.site (10.71.200.31) by szxeml426-hub.china.huawei.com (10.82.67.181) with Microsoft SMTP Server id 14.3.235.1; Wed, 4 May 2016 20:07:44 +0800 From: Lijun Ou To: , , , , , , CC: , , , , , , , , , , , Subject: [PATCH v7 02/21] devicetree: bindings: IB: Add binding document for HiSilicon RoCE Date: Wed, 4 May 2016 20:20:59 +0800 Message-ID: <1462364478-10808-3-git-send-email-oulijun@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1462364478-10808-1-git-send-email-oulijun@huawei.com> References: <1462364478-10808-1-git-send-email-oulijun@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.71.200.31] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020202.5729E61E.029C, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: b66ce2b8dead4471c2d05bacb3a0b751 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Spam-Status: No, score=-9.0 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch added DTS binding document for HiSilicon RoCE driver. Signed-off-by: Wei Hu Signed-off-by: Lijun Ou --- .../bindings/infiniband/hisilicon-hns-roce.txt | 107 +++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 Documentation/devicetree/bindings/infiniband/hisilicon-hns-roce.txt diff --git a/Documentation/devicetree/bindings/infiniband/hisilicon-hns-roce.txt b/Documentation/devicetree/bindings/infiniband/hisilicon-hns-roce.txt new file mode 100644 index 0000000..2c59ed9 --- /dev/null +++ b/Documentation/devicetree/bindings/infiniband/hisilicon-hns-roce.txt @@ -0,0 +1,107 @@ +HiSilicon RoCE DT description + +HiSilicon RoCE engine is a part of network subsystem. +It works depending on other part of network wubsytem, such as, gmac and +dsa fabric. + +Additional properties are described here: + +Required properties: +- compatible: Should contain "hisilicon,hns-roce-v1". +- reg: Physical base address of the roce driver and +length of memory mapped region. +- eth-handle: phandle, specifies a reference to a node +representing a ethernet device. +- dsaf-handle: phandle, specifies a reference to a node +representing a dsaf device. +- #address-cells: must be 2 +- #size-cells: must be 2 +Optional properties: +- dma-coherent: Present if DMA operations are coherent. +- interrupt-parent: the interrupt parent of this device. +- interrupts: should contain 32 completion event irq,1 async event irq +and 1 event overflow irq. +- interrupt-names:should be one of 34 irqs for roce device + - hns-roce-comp-0 ~ hns-roce-comp-31: 32 complete event irq + - hns-roce-async: 1 async event irq + - hns-roce-common: named common exception warning irq +Example: + infiniband@c4000000 { + compatible = "hisilicon,hns-roce-v1"; + reg = <0x0 0xc4000000 0x0 0x100000>; + dma-coherent; + eth-handle = <ð2 ð3 ð4 ð5 ð6 ð7>; + dsaf-handle = <&soc0_dsa>; + #address-cells = <2>; + #size-cells = <2>; + interrupt-parent = <&mbigen_dsa>; + interrupts = <722 1>, + <723 1>, + <724 1>, + <725 1>, + <726 1>, + <727 1>, + <728 1>, + <729 1>, + <730 1>, + <731 1>, + <732 1>, + <733 1>, + <734 1>, + <735 1>, + <736 1>, + <737 1>, + <738 1>, + <739 1>, + <740 1>, + <741 1>, + <742 1>, + <743 1>, + <744 1>, + <745 1>, + <746 1>, + <747 1>, + <748 1>, + <749 1>, + <750 1>, + <751 1>, + <752 1>, + <753 1>, + <785 1>, + <754 4>; + + interrupt-names = "hns-roce-comp-0", + "hns-roce-comp-1", + "hns-roce-comp-2", + "hns-roce-comp-3", + "hns-roce-comp-4", + "hns-roce-comp-5", + "hns-roce-comp-6", + "hns-roce-comp-7", + "hns-roce-comp-8", + "hns-roce-comp-9", + "hns-roce-comp-10", + "hns-roce-comp-11", + "hns-roce-comp-12", + "hns-roce-comp-13", + "hns-roce-comp-14", + "hns-roce-comp-15", + "hns-roce-comp-16", + "hns-roce-comp-17", + "hns-roce-comp-18", + "hns-roce-comp-19", + "hns-roce-comp-20", + "hns-roce-comp-21", + "hns-roce-comp-22", + "hns-roce-comp-23", + "hns-roce-comp-24", + "hns-roce-comp-25", + "hns-roce-comp-26", + "hns-roce-comp-27", + "hns-roce-comp-28", + "hns-roce-comp-29", + "hns-roce-comp-30", + "hns-roce-comp-31", + "hns-roce-async", + "hns-roce-common"; + };