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: 9305385 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 EF422607F0 for ; Tue, 30 Aug 2016 12:59:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DFFC928BC3 for ; Tue, 30 Aug 2016 12:59:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D453C28BCE; Tue, 30 Aug 2016 12:59:56 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 715D828BC3 for ; Tue, 30 Aug 2016 12:59:56 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1beicZ-0008Jc-1W; Tue, 30 Aug 2016 12:58:31 +0000 Received: from down.free-electrons.com ([37.187.137.238] helo=mail.free-electrons.com) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1beibl-0007lc-L1 for linux-arm-kernel@lists.infradead.org; Tue, 30 Aug 2016 12:57:44 +0000 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 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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160830_055741_969243_07500472 X-CRM114-Status: UNSURE ( 9.64 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Yehuda Yitschak , Jason Cooper , Pawel Moll , Ian Campbell , Nadav Haklai , Rob Herring , Andrew Lunn , Kumar Gala , Gregory Clement , Shadi Ammouri , Thomas Petazzoni , linux-arm-kernel@lists.infradead.org, Sebastian Hesselbarth MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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: