From patchwork Tue Aug 30 12:57:08 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Petazzoni X-Patchwork-Id: 9305377 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EBECA607F0 for ; Tue, 30 Aug 2016 12:57:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DC62D28BB6 for ; Tue, 30 Aug 2016 12:57:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D0F5B28BD0; Tue, 30 Aug 2016 12:57:28 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CCC7E28BB6 for ; Tue, 30 Aug 2016 12:57:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758671AbcH3M5Y (ORCPT ); Tue, 30 Aug 2016 08:57:24 -0400 Received: from down.free-electrons.com ([37.187.137.238]:55585 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1758411AbcH3M5W (ORCPT ); Tue, 30 Aug 2016 08:57:22 -0400 Received: by mail.free-electrons.com (Postfix, from userid 110) id E89153DA; Tue, 30 Aug 2016 14:57:19 +0200 (CEST) Received: from localhost (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 8EE6E2DE; Tue, 30 Aug 2016 14:57:19 +0200 (CEST) From: Thomas Petazzoni To: Joao Pinto , Bjorn Helgaas , Jingoo Han , Pratyush Anand , linux-pci@vger.kernel.org Cc: devicetree@vger.kernel.org, Rob Herring , Ian Campbell , Pawel Moll , Mark Rutland , Kumar Gala , Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Gregory Clement , linux-arm-kernel@lists.infradead.org, Yehuda Yitschak , Shadi Ammouri , Nadav Haklai , Thomas Petazzoni Subject: [PATCH 1/3] dt-bindings: designware-pcie: document optional msi-parent property Date: Tue, 30 Aug 2016 14:57:08 +0200 Message-Id: <1472561830-20932-2-git-send-email-thomas.petazzoni@free-electrons.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1472561830-20932-1-git-send-email-thomas.petazzoni@free-electrons.com> References: <1472561830-20932-1-git-send-email-thomas.petazzoni@free-electrons.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This commit updates the Designware PCIe Device Tree binding documentation to document the optional msi-parent property. This property allows to point to an external MSI controller, which can optionally be provided. If provided, this external MSI controller is used in preference over the internal MSI controller of the Designware PCIe IP. Signed-off-by: Thomas Petazzoni Acked-by: Rob Herring --- Documentation/devicetree/bindings/pci/designware-pcie.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt index 6c5322c..7a729bb 100644 --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt @@ -28,6 +28,8 @@ Optional properties: - clock-names: Must include the following entries: - "pcie" - "pcie_bus" +- msi-parent: Pointer to an external MSI controller. If not provided, + the built-in MSI controller is used. Example configuration: