From patchwork Tue Jan 14 23:34:17 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tanmay Inamdar X-Patchwork-Id: 3488861 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 03EFFC02DD for ; Tue, 14 Jan 2014 23:36:32 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3056B20256 for ; Tue, 14 Jan 2014 23:36:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 28BC120254 for ; Tue, 14 Jan 2014 23:36:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752165AbaANXfO (ORCPT ); Tue, 14 Jan 2014 18:35:14 -0500 Received: from exprod5og102.obsmtp.com ([64.18.0.143]:35437 "HELO exprod5og102.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752176AbaANXer (ORCPT ); Tue, 14 Jan 2014 18:34:47 -0500 Received: from mail-pa0-f54.google.com ([209.85.220.54]) (using TLSv1) by exprod5ob102.postini.com ([64.18.4.12]) with SMTP ID DSNKUtXJl7L7NUjsDub3QHtjdn89kiz58rk4@postini.com; Tue, 14 Jan 2014 15:34:47 PST Received: by mail-pa0-f54.google.com with SMTP id fa1so312880pad.41 for ; Tue, 14 Jan 2014 15:34:46 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=7ktqaOCO0ZTv8cI6Y9vW6oxxMdwl08DSRzWvNSygL/I=; b=ixVXgB3eXdEnzq+DFYE52rKiACjJL5At790CS0ybQLzSA8oiTsbqaIWJNmASc41dNz UNQbSeL3oNLzo0cPrMSLi4SnLWCZFN38d7kSVYB1ikvmWynq7cudTvMvLjm3Tmjle4Ic sgsAKj8Oog3mCdozWISzZS7vTxK0jO1PGmqcJvyJATsqWNkoX/i5aPCxG9YPpIT7WQ7d 9Jt1u3yD6eA+dE6dZBjHnhY04FAw/gKN8m3exC37KSSd6YoUHZaYjyPHXiJa/Zw/m5nf hW1UnxIrhaMaCnYwcPzYlBMI5ew4tMxuZ4Wh1DCjkQNwWqiWzliJwv6ClTRr/86DAhug LYvA== X-Gm-Message-State: ALoCoQmavwZoRiHIS04PYhuT1qVXdGHpmjRGnCCUH/gCBRgP90saTonj0b5GAehrzvlGCpiNne+lcfLtRCOXEq1xbWt8BMMjpqgx7gcPi01jGdVtxPkyK40JPURNy071UNE+UHiaJmzYUIP0HdO7LV7qafAR7lREpHGq7s+jPMEfNPvfzVHpPkg= X-Received: by 10.66.136.107 with SMTP id pz11mr4878601pab.118.1389742486754; Tue, 14 Jan 2014 15:34:46 -0800 (PST) X-Received: by 10.66.136.107 with SMTP id pz11mr4878572pab.118.1389742486540; Tue, 14 Jan 2014 15:34:46 -0800 (PST) Received: from amcclab-ThinkStation-E30.amcc.com (63-147-59-2.dia.static.qwest.net. [63.147.59.2]) by mx.google.com with ESMTPSA id pe3sm3704858pbc.23.2014.01.14.15.34.44 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 14 Jan 2014 15:34:45 -0800 (PST) From: Tanmay Inamdar To: Bjorn Helgaas , Arnd Bergmann , Jason Gunthorpe , Grant Likely , Rob Herring , Catalin Marinas , Rob Landley Cc: linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, patches@apm.com, jcm@redhat.com, Tanmay Inamdar Subject: [RFC PATCH V2 3/4] dt-bindings: pci: xgene pcie device tree bindings Date: Tue, 14 Jan 2014 15:34:17 -0800 Message-Id: <1389742458-7693-4-git-send-email-tinamdar@apm.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1389742458-7693-1-git-send-email-tinamdar@apm.com> References: <1389742458-7693-1-git-send-email-tinamdar@apm.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Spam-Status: No, score=-7.0 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 adds the bindings for X-Gene PCIe driver. The driver resides under 'drivers/pci/host/pci-xgene.c' file. Signed-off-by: Tanmay Inamdar --- .../devicetree/bindings/pci/xgene-pcie.txt | 45 ++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/xgene-pcie.txt diff --git a/Documentation/devicetree/bindings/pci/xgene-pcie.txt b/Documentation/devicetree/bindings/pci/xgene-pcie.txt new file mode 100644 index 0000000..19b9c28 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/xgene-pcie.txt @@ -0,0 +1,45 @@ +* AppliedMicro X-Gene PCIe interface + +Required properties: +- status: Either "ok" or "disabled". +- device_type: set to "pci" +- compatible: should contain "xgene,pcie" to identify the core. +- reg: base addresses and lengths of the pcie controller configuration + space register. +- #address-cells: set to <3> +- #size-cells: set to <2> +- ranges: ranges for the outbound memory, I/O regions. +- dma-ranges: ranges for the inbound memory regions. +- #interrupt-cells: set to <1> +- interrupt-map-mask and interrupt-map: standard PCI properties + to define the mapping of the PCIe interface to interrupt + numbers. +- clocks: from common clock binding: handle to pci clock. + +Example: + +SoC specific DT Entry: + pcie0: pcie@1f2b0000 { + status = "disabled"; + device_type = "pci"; + compatible = "apm,xgene-pcie"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = < 0x00 0x1f2b0000 0x0 0x00010000 + 0xe0 0xd0000000 0x0 0x00200000>; + ranges = <0x01000000 0x00 0x00000000 0xe0 0x00000000 0x00 0x00010000 /* io */ + 0x02000000 0x00 0x10000000 0xe0 0x10000000 0x00 0x80000000>; /* mem */ + dma-ranges = <0x42000000 0x40 0x00000000 0x40 0x00000000 0x40 0x00000000>; + interrupt-map-mask = <0x0 0x0 0x0 0x7>; + interrupt-map = <0x0 0x0 0x0 0x1 &gic 0x0 0xc2 0x1 + 0x0 0x0 0x0 0x2 &gic 0x0 0xc3 0x1 + 0x0 0x0 0x0 0x3 &gic 0x0 0xc4 0x1 + 0x0 0x0 0x0 0x4 &gic 0x0 0xc5 0x1>; + clocks = <&pcie0clk 0>; + }; + +Board specific DT Entry: + &pcie0 { + status = "ok"; + };