From patchwork Fri Jun 2 10:06:52 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Petazzoni X-Patchwork-Id: 9762091 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 6C8DE60360 for ; Fri, 2 Jun 2017 10:08:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6747728553 for ; Fri, 2 Jun 2017 10:08:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5AC7428569; Fri, 2 Jun 2017 10:08:10 +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 EAC2528553 for ; Fri, 2 Jun 2017 10:08:09 +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=gXdlJknlQQ0DWb66+UPIKEpm3HDBOC5c9RHglK8YPa4=; b=UrXTuRhqPzdJ0ZDTGx2WlRs0Vw EXJ0B9quPVi1Hkss3KGShPf/LHrSKcFgzt+pViYYQ3eq8MgpLsJiA+3EgfPV1IR85c+zJbZ5mDfbX N54YJ+QkDY4DDro94NPJ8r50o4dtciegSYv0iXcs6tJSBfPrPt8EAXWLhUsYYYW2q1+ddih4aOHk4 HcioCw53f0pRw7zfWi5AwIkePq2TSMDt13iJrYnbzeR6wate9Mt5Fg9agGEFNliHKeb7aFpGsN2Vo ThgVrO/b/E/HcoH3oiCenc98aOt34y5Q39RiU7rxwFSCKhPMLtAy2nIdma8XJUslnBurQrw/LgWnQ k2YuGvxQ==; 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 1dGjV2-0006FE-Gc; Fri, 02 Jun 2017 10:08:08 +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 1dGjUJ-0005Bw-6I for linux-arm-kernel@lists.infradead.org; Fri, 02 Jun 2017 10:07:28 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id 9DECA212A1; Fri, 2 Jun 2017 12:06:59 +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 79AF121292; Fri, 2 Jun 2017 12:06:59 +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 v2 1/6] dt-bindings: interrupt-controller: add DT binding for the Marvell GICP Date: Fri, 2 Jun 2017 12:06:52 +0200 Message-Id: <1496398017-6487-2-git-send-email-thomas.petazzoni@free-electrons.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1496398017-6487-1-git-send-email-thomas.petazzoni@free-electrons.com> References: <1496398017-6487-1-git-send-email-thomas.petazzoni@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170602_030725_228142_446B82F6 X-CRM114-Status: GOOD ( 14.68 ) 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 | 24 ++++++++++++++++++++++ 1 file changed, 24 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..3fc36963 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/marvell,gicp.txt @@ -0,0 +1,24 @@ +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,ap806-gicp" + +- reg: Must be the address and size of the GICP SPI registers + +- marvell,spi-ranges: tuples of GIC SPI interrupts ranges available + for this GICP + +Example: + +gicp_spi: gicp-spi@3f0040 { + compatible = "marvell,ap806-gicp"; + reg = <0x3f0040 0x10>; + marvell,spi-ranges = <64 64>, <288 64>; +};