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: 310899 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 820A12C0091 for ; Wed, 15 Jan 2014 10:36:18 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752248AbaANXfR (ORCPT ); Tue, 14 Jan 2014 18:35:17 -0500 Received: from exprod5og116.obsmtp.com ([64.18.0.147]:55911 "HELO exprod5og116.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752175AbaANXer (ORCPT ); Tue, 14 Jan 2014 18:34:47 -0500 Received: from mail-pa0-f51.google.com ([209.85.220.51]) (using TLSv1) by exprod5ob116.postini.com ([64.18.4.12]) with SMTP ID DSNKUtXJl7L7NUjsDub3QHtjdn89kiz58rk4@postini.com; Tue, 14 Jan 2014 15:34:47 PST Received: by mail-pa0-f51.google.com with SMTP id fb1so316334pad.24 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=mf+cbVKPsgONnvqorneHAFnrNlHvuBZHINDxUFU/9RQM9NrtFJ84X7UKcmBZtqxt8v RGz0d+cL+RqtiBiNdLbGLLvgTM5mtutZphVmKG2sHGlAA5hBgpa42K5zBmjwi1xXxba2 V1MzR1wT/eMbC2iDjYm28IutbWi5zMwUddDEpoYPocRVFn4WOHzkJg+7pgswHrlJTh8z LR/qBc6yS9PxYXPkcekOSsyDMWTu5+U32iClV1abNqNsADOldO5tS6SIcSnbnBqMDNW0 12aIaLuMwbCRTzWSN/VNnu9D3CGx+J25AeUfkWtWbX1+x1Njs54eLR7ocO+upectHQFM KzWA== X-Gm-Message-State: ALoCoQkEPinfhpvpWm+VQd7AsfoLktluFQxHy7d25br1IURzkTFcmlhmYsHPvLTQ8IT9cX0LWyS4CcmsdfstTBM57JzSIbieu3umn4d31rbmT6SBa0sdB4ZbjPzLuzB4E9szMDP+Somx3tfn2aY5N0OIWAacLGgyaNTgs8z/p6dKQvGJe3aAg+U= X-Received: by 10.66.136.107 with SMTP id pz11mr4878597pab.118.1389742486739; 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: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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"; + };