From patchwork Tue May 30 09:16:06 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Petazzoni X-Patchwork-Id: 9754171 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 01B24602BF for ; Tue, 30 May 2017 09:16:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E8AB627569 for ; Tue, 30 May 2017 09:16:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DC30827F10; Tue, 30 May 2017 09:16:57 +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=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C60E727569 for ; Tue, 30 May 2017 09:16:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=W2p4SE8byEVn0zvpbiBfO9dv3P8qgZF8WSeTh/2krLk=; b=NalYu5pKVwYg7FV+oV13w8teL0 qPRhh94SxKh+ato2MSV+SvjTsJSvXpOQErYLdgnNf8G53XsHGjgHAZOITXkJuWlt6MdJDBeS3m8fq FDx1qvcuUzL551ysKqg6vubrLCNYDB4QqB+iPZwsAtCtLvyCCL9l1tUGxIdOmYD2PWzQY4f6hJogj iZ4QlvrgfFBozc7tygk/zhSJ1PUUeYOBqTukhAK+YiFpi1mAdRKk9G2GHofTH2aLdgiu0QxwmIlmC iUZxFQZi5PMGuFodhkro5I+JlNw+Uq/IGVnoBDLF4Y7z7Evoc0jX869aSrgfNHRVZKg3QNi/023Hy ffwct54w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dFdGo-00025F-Q2; Tue, 30 May 2017 09:16:54 +0000 Received: from mail.free-electrons.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dFdGk-00021c-Vz for linux-arm-kernel@lists.infradead.org; Tue, 30 May 2017 09:16:52 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id 9721920ED9; Tue, 30 May 2017 11:16:28 +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 706B720411; Tue, 30 May 2017 11:16:28 +0200 (CEST) From: Thomas Petazzoni To: Thomas Gleixner , Jason Cooper , Marc Zyngier , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Rob Herring , Ian Campbell , Pawel Moll , Mark Rutland , Kumar Gala , Andrew Lunn , Sebastian Hesselbarth , Gregory Clement Subject: [PATCH 1/6] dt-bindings: interrupt-controller: add DT binding for the Marvell GICP Date: Tue, 30 May 2017 11:16:06 +0200 Message-Id: <1496135772-20694-2-git-send-email-thomas.petazzoni@free-electrons.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1496135772-20694-1-git-send-email-thomas.petazzoni@free-electrons.com> References: <1496135772-20694-1-git-send-email-thomas.petazzoni@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170530_021651_186211_98C21070 X-CRM114-Status: GOOD ( 14.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Petazzoni , Yehuda Yitschak , Antoine Tenart , Nadav Haklai , Hanna Hawa , linux-arm-kernel@lists.infradead.org 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 adds the Device Tree binding documentation for the Marvell GICP, an extension to the GIC that allows to trigger GIC SPI interrupts using memory transactions. It is used by the ICU unit in the Marvell CP110 block to turn wired interrupts inside the CP into SPI interrupts at the GIC level in the AP. Signed-off-by: Thomas Petazzoni --- .../bindings/interrupt-controller/marvell,gicp.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/marvell,gicp.txt diff --git a/Documentation/devicetree/bindings/interrupt-controller/marvell,gicp.txt b/Documentation/devicetree/bindings/interrupt-controller/marvell,gicp.txt new file mode 100644 index 0000000..996bdbf --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/marvell,gicp.txt @@ -0,0 +1,20 @@ +Marvell GICP Controller +----------------------- + +GICP is a Marvell extension of the GIC that allows to trigger GIC SPI +interrupts by doing a memory transaction. It is used by the ICU +located in the Marvell CP110 to turn wired interrupts inside the CP +into GIC SPI interrupts. + +Required properties: + +- compatible: Must be "marvell,gicp" + +- reg: Must be the address and size of the GICP SPI registers + +Example: + +gicp_spi: gicp-spi@3f0040 { + compatible = "marvell,gicp"; + reg = <0x3f0040 0x10>; +};