From patchwork Wed Jun 3 08:35:42 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhou Wang X-Patchwork-Id: 6533321 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id CE2BAC0020 for ; Wed, 3 Jun 2015 08:38:01 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 06E0020693 for ; Wed, 3 Jun 2015 08:38:01 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E2EE1205C6 for ; Wed, 3 Jun 2015 08:37:59 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Z049g-0002eg-9e; Wed, 03 Jun 2015 08:36:08 +0000 Received: from szxga03-in.huawei.com ([119.145.14.66]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Z048L-0000Ko-Gw for linux-arm-kernel@lists.infradead.org; Wed, 03 Jun 2015 08:34:46 +0000 Received: from 172.24.2.119 (EHLO szxeml430-hub.china.huawei.com) ([172.24.2.119]) by szxrg03-dlp.huawei.com (MOS 4.4.3-GA FastPath queued) with ESMTP id BGZ14012; Wed, 03 Jun 2015 16:33:38 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by szxeml430-hub.china.huawei.com (10.82.67.185) with Microsoft SMTP Server id 14.3.158.1; Wed, 3 Jun 2015 16:28:59 +0800 From: Zhou Wang To: Bjorn Helgaas , Jingoo Han , Pratyush Anand , Arnd Bergmann , , Liviu Dudau Subject: [PATCH v2 4/4] Documentation: DT: Add Hisilicon PCIe host binding Date: Wed, 3 Jun 2015 16:35:42 +0800 Message-ID: <1433320542-49576-5-git-send-email-wangzhou1@hisilicon.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1433320542-49576-1-git-send-email-wangzhou1@hisilicon.com> References: <1433320542-49576-1-git-send-email-wangzhou1@hisilicon.com> MIME-Version: 1.0 X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020205.556EBBE2.015F, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 29acd106aaffe1fcbf1a12be615cd909 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150603_013446_002102_3EFEFF0E X-CRM114-Status: UNSURE ( 8.74 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) Cc: zhudacai@hisilicon.com, devicetree@vger.kernel.org, gabriele.paoloni@huawei.com, linux-pci@vger.kernel.org, yuanzhichang@hisilicon.com, Zhou Wang , qiuzhenfa@hisilicon.com, zhangjukuo@huawei.com, liguozhu@hisilicon.com, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_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 adds related DTS binding document for Hisilicon PCIe host driver. Signed-off-by: Zhou Wang --- .../devicetree/bindings/pci/hisilicon-pcie.txt | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/hisilicon-pcie.txt diff --git a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt new file mode 100644 index 0000000..6c9b827 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt @@ -0,0 +1,46 @@ +Hisilicon PCIe host bridge DT description + +Hisilicon PCIe host controller is based on Designware PCI core. +It shares common functions with PCIe Designware core driver and inherits +common properties defined in +Documentation/devicetree/bindings/pci/designware-pci.txt. + +Additional properties are described here: + +Required properties: +- compatible: Should contain "hisilicon,hip05-pcie". +- reg: Should contain rc_dbi, subctrl, config registers location and length. +- reg-names: Must include the following entries: + "rc_dbi": controller configuration registers; + "subctrl": whole PCIe hosts configuration registers; + "config": PCIe configuration space registers. +- msi-parent: Should be its_pcie which is an its receiving MSI interrupts. +- port-id: Should be 0, 1, 2 or 3. + +Optional properties: +- status: Either "ok" or "disabled". +- dma-coherent: Present if dma operations are coherent. + +Example: + pcie@0xb0080000 { + compatible = "hisilicon,hip05-pcie", "snps,dw-pcie"; + reg = <0 0xb0080000 0 0x10000>, <0 0xb0000000 0 0x10000>, + <0x220 0x00000000 0 0x2000>; + reg-names = "rc_dbi", "subctrl", "config"; + bus-range = <0 15>; + msi-parent = <&its_pcie>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + dma-coherent; + ranges = <0x82000000 0 0x00000000 0x220 0x00000000 0 0x10000000>; + num-lanes = <8>; + port-id = <1>; + #interrupts-cells = <1>; + interrupts-map-mask = <0xf800 0 0 7>; + interrupts-map = <0x0 0 0 1 &mbigen_pcie 1 10 + 0x0 0 0 2 &mbigen_pcie 2 11 + 0x0 0 0 3 &mbigen_pcie 3 12 + 0x0 0 0 4 &mbigen_pcie 4 13>; + status = "ok"; + };