From patchwork Tue Jun 20 14:07:17 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Petazzoni X-Patchwork-Id: 9799595 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 17DB7600F6 for ; Tue, 20 Jun 2017 14:08:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 042B9200E7 for ; Tue, 20 Jun 2017 14:08:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id ECC19284B9; Tue, 20 Jun 2017 14:08:21 +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 6E25F200E7 for ; Tue, 20 Jun 2017 14:08:21 +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=M0r82dSNoqyu2hNmwT++u3Pta1GMZ14SaPP4NztL5Y8=; b=tHsdpMY/Pe9kYreB3CGqhzDFA/ 2QfVUUmumplIWiUnUY+nLZIg+YLf6dAz4kkQsKuOCapRg8vxgwT66DJ07WdrebZvFtccxDKMieIHZ tHydWQSxTcsNWsJdsXLwkYe5WmjJikEof1rwbM5CGTwqbGFlD6eYegrjT7nu/nu4+adtnL8NHxX+T 1CfsByZBE/G+iJyhz9/SnvJBu5VfYSX0ONHSVlSiYqWRInw9gMXu/dkVd1NsDl6EZO06voCVxkynk jmOsUF+3y4ltaAC4j1FFtvB39Qp64vkKnTm9jWcMN+lhGFqn34FbZkmyif4p41T1DLQu2vlqGGVYs 3f2gqYRA==; 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 1dNJpM-0003pu-6I; Tue, 20 Jun 2017 14:08:20 +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 1dNJp3-0003YQ-HU for linux-arm-kernel@lists.infradead.org; Tue, 20 Jun 2017 14:08:06 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id C229C2081F; Tue, 20 Jun 2017 16:07:40 +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 945F62085B; Tue, 20 Jun 2017 16:07:30 +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 v4 1/6] dt-bindings: interrupt-controller: add DT binding for the Marvell GICP Date: Tue, 20 Jun 2017 16:07:17 +0200 Message-Id: <20170620140722.31646-2-thomas.petazzoni@free-electrons.com> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170620140722.31646-1-thomas.petazzoni@free-electrons.com> References: <20170620140722.31646-1-thomas.petazzoni@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170620_070801_720430_2018BABE X-CRM114-Status: GOOD ( 14.62 ) 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 , =?UTF-8?q?Miqu=C3=A8l=20Raynal?= , 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 | 27 ++++++++++++++++++++++ 1 file changed, 27 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..64a00ce --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/marvell,gicp.txt @@ -0,0 +1,27 @@ +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 + +- msi-controller: indicates that this is an MSI controller + +Example: + +gicp_spi: gicp-spi@3f0040 { + compatible = "marvell,ap806-gicp"; + reg = <0x3f0040 0x10>; + marvell,spi-ranges = <64 64>, <288 64>; + msi-controller; +};