From patchwork Wed Mar 4 19:39:59 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Duc Dang X-Patchwork-Id: 5939941 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 9106FBF440 for ; Wed, 4 Mar 2015 19:58:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AD64F202FE for ; Wed, 4 Mar 2015 19:58:42 +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 CA55020295 for ; Wed, 4 Mar 2015 19:58:41 +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 1YTFNV-00079M-E2; Wed, 04 Mar 2015 19:54:45 +0000 Received: from exprod5og116.obsmtp.com ([64.18.0.147] helo=mail-pd0-f178.google.com) by bombadil.infradead.org with smtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YTFC7-0004Zw-6B for linux-arm-kernel@lists.infradead.org; Wed, 04 Mar 2015 19:42:59 +0000 Received: from mail-pd0-f178.google.com ([209.85.192.178]) (using TLSv1) by exprod5ob116.postini.com ([64.18.4.12]) with SMTP ID DSNKVPdgKlIoslvY7WHADbscuy6GRHs33Gjb@postini.com; Wed, 04 Mar 2015 11:42:59 PST Received: by pdjy10 with SMTP id y10so59793897pdj.13 for ; Wed, 04 Mar 2015 11:42:34 -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:in-reply-to:references; bh=RJWS9rRZmy1kKH1VyLLODQR7Tz5RBsvZMQZtwHs5tI8=; b=WVQpNawww8Xq8xRzlRVs/b4BhF8xcPsIxKkridxfILwN9kAN4lvErSAWMgcnD16+ho RLRH1bNoxDfKbBXTglbYBHmqGpAJWORGzW6noxrjfP4y1kPHJUGoB2Geir/fTxswKROX AEF1nWYnuW3/EJcrqYo+kw0LrfdaWbhDKiFvsKV/epZu6F2U3h/KGMGrB0G7HdeDVNzb 2YIpyl2xHD0kVOF9PXWYfwYtw8nH5AYrxkINIuYDf7tCyjb6ranBmcxtgQCmVF3JGbJS hS/DLTBIDqRc1M60k1vWLAWIC0mlMAr17ZdkbFiYIwAYgQ1Qvaq23XC5r39Ded2CcTHo zn0w== X-Gm-Message-State: ALoCoQn82O4EE1pGVZBSPwn+U8JEEpXmgP6YfnkXvWrC+KgaAR6ppG6H+VojQ8NJdluqNWi7m8S9SMvfTxqDkTip2J/XOIRioC/AgGCcZyWGXs5ORS6sqlutnNRYTffvQ0vF9TX/hMoX+O+dnEAwYOS5Dbd71ynhkWfGvl41gVHygxScky6Go/I= X-Received: by 10.70.64.163 with SMTP id p3mr9640739pds.118.1425498154015; Wed, 04 Mar 2015 11:42:34 -0800 (PST) X-Received: by 10.70.64.163 with SMTP id p3mr9640719pds.118.1425498153910; Wed, 04 Mar 2015 11:42:33 -0800 (PST) Received: from dhdang-Precision-WorkStation-T3400.amcc.com (67-207-112-226.static.wiline.com. [67.207.112.226]) by mx.google.com with ESMTPSA id fk1sm4850874pab.16.2015.03.04.11.42.32 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 04 Mar 2015 11:42:33 -0800 (PST) From: Duc Dang To: Bjorn Helgaas , Arnd Bergmann , Grant Likely , Liviu Dudau Subject: [PATCH v2 3/4] documentation: dts: Add the device tree binding for APM X-Gene v1 PCIe MSI device tree node. Date: Wed, 4 Mar 2015 11:39:59 -0800 Message-Id: X-Mailer: git-send-email 1.9.1 In-Reply-To: References: In-Reply-To: References: <1678162.2PJ2o1jRen@wuerfel> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150304_114259_307976_42434316 X-CRM114-Status: GOOD ( 10.08 ) X-Spam-Score: -2.3 (--) Cc: Feng Kan , linux-pci@vger.kernel.org, Duc Dang , Tanmay Inamdar , linux-arm-kernel@lists.infradead.org, Loc Ho 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: , MIME-Version: 1.0 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 The driver for this binding is under 'drivers/pci/host/pci-xgene-msi.c' Signed-off-by: Duc Dang Signed-off-by: Tanmay Inamdar --- .../devicetree/bindings/pci/xgene-pci-msi.txt | 61 ++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/xgene-pci-msi.txt diff --git a/Documentation/devicetree/bindings/pci/xgene-pci-msi.txt b/Documentation/devicetree/bindings/pci/xgene-pci-msi.txt new file mode 100644 index 0000000..fdd55d6 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/xgene-pci-msi.txt @@ -0,0 +1,61 @@ +* AppliedMicro X-Gene PCIe MSI interface + +Required properties: + +- compatible: should contain "apm,xgene1-msi" to identify the core. +- msi-controller: indicates that this is X-Gene1 PCIe MSI controller node +- reg: A list of physical base address and length for each set of controller + registers. +- interrupts: A list of interrupt outputs of the controller. + +Each PCIe node needs to have property msi-parent that points to msi controller node + +Examples: + +SoC DTSI: + + msi@79000000 { + compatible = "apm,xgene1-msi"; + msi-controller; + reg = <0x00 0x79000000 0x0 0x900000>; + interrupts = < 0x0 0x10 0x4 + 0x0 0x11 0x4 + 0x0 0x12 0x4 + 0x0 0x13 0x4 + 0x0 0x14 0x4 + 0x0 0x15 0x4 + 0x0 0x16 0x4 + 0x0 0x17 0x4 + 0x0 0x18 0x4 + 0x0 0x19 0x4 + 0x0 0x1a 0x4 + 0x0 0x1b 0x4 + 0x0 0x1c 0x4 + 0x0 0x1d 0x4 + 0x0 0x1e 0x4 + 0x0 0x1f 0x4>; + }; + + pcie0: pcie@1f2b0000 { + status = "disabled"; + device_type = "pci"; + compatible = "apm,xgene-storm-pcie", "apm,xgene-pcie"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = < 0x00 0x1f2b0000 0x0 0x00010000 /* Controller registers */ + 0xe0 0xd0000000 0x0 0x00040000>; /* PCI config space */ + reg-names = "csr", "cfg"; + ranges = <0x01000000 0x00 0x00000000 0xe0 0x10000000 0x00 0x00010000 /* io */ + 0x02000000 0x00 0x80000000 0xe1 0x80000000 0x00 0x80000000>; /* mem */ + dma-ranges = <0x42000000 0x80 0x00000000 0x80 0x00000000 0x00 0x80000000 + 0x42000000 0x00 0x00000000 0x00 0x00000000 0x80 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>; + dma-coherent; + clocks = <&pcie0clk 0>; + msi-parent= <&msi>; + };