From patchwork Wed Dec 12 21:43:05 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hunter, Jon" X-Patchwork-Id: 1875731 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id 4540E3FC81 for ; Thu, 13 Dec 2012 17:22:34 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TjCRg-0003UA-AO; Thu, 13 Dec 2012 17:19:40 +0000 Received: from devils.ext.ti.com ([198.47.26.153]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Tiu6c-0003A9-Ic for linux-arm-kernel@lists.infradead.org; Wed, 12 Dec 2012 21:44:45 +0000 Received: from dlelxv30.itg.ti.com ([172.17.2.17]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id qBCLiWY9005547; Wed, 12 Dec 2012 15:44:32 -0600 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id qBCLiWvF031941; Wed, 12 Dec 2012 15:44:32 -0600 Received: from dlelxv23.itg.ti.com (172.17.1.198) by dfle72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.1.323.3; Wed, 12 Dec 2012 15:44:32 -0600 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlelxv23.itg.ti.com (8.13.8/8.13.8) with ESMTP id qBCLiWDH031511; Wed, 12 Dec 2012 15:44:32 -0600 Received: from localhost (ula0741266.am.dhcp.ti.com [192.157.144.139]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id qBCLiVw10504; Wed, 12 Dec 2012 15:44:31 -0600 (CST) From: Jon Hunter To: Russell King , Will Deacon , Grant Likely , Rob Herring Subject: [RFC 2/5] ARM: dts: Add Cross Trigger Interface binding Date: Wed, 12 Dec 2012 15:43:05 -0600 Message-ID: <1355348588-22318-3-git-send-email-jon-hunter@ti.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1355348588-22318-1-git-send-email-jon-hunter@ti.com> References: <1355348588-22318-1-git-send-email-jon-hunter@ti.com> MIME-Version: 1.0 X-Bad-Reply: References and In-Reply-To but no 'Re:' in Subject. X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20121212_164443_280946_9BB7C537 X-CRM114-Status: UNSURE ( 9.43 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -4.6 (----) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-4.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [198.47.26.153 listed in list.dnswl.org] 3.0 KHOP_BIG_TO_CC Sent to 10+ recipients instaed of Bcc or a list -0.0 SPF_PASS SPF: sender matches SPF record -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Mailman-Approved-At: Thu, 13 Dec 2012 12:18:35 -0500 Cc: Paul Walmsley , device-tree , Jon Hunter , Ming Lei , linux-omap , Pratik Patel , Linus Walleij , linux-arm X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Adds a device-tree binding for the ARM Cross Trigger Interface (CTI). The ARM Cross Trigger Interface provides a way to route events between processor modules. For example, on OMAP4430 we use the CTI module to route PMU events to the GIC interrupt module. Signed-off-by: Jon Hunter --- Documentation/devicetree/bindings/arm/cti.txt | 32 +++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/cti.txt diff --git a/Documentation/devicetree/bindings/arm/cti.txt b/Documentation/devicetree/bindings/arm/cti.txt new file mode 100644 index 0000000..4a0e2d3 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/cti.txt @@ -0,0 +1,32 @@ +* ARM Cross Trigger Interface (CTI) + +The ARM Cross Trigger Interface provides a way to route events between +processor modules. For example, debug events from one processor can be +broadcasted to other processors. The events that can be routed between +processors are specific to the device. + +Required properties: + +- compatible: Should be "arm,primecell". +- interrupts: Interrupt associated with CTI module. +- reg: Contains timer register address range (base + address and length). +- arm,cti-name: A unique name for the CTI module, that will be + used when requesting the CTI module instance. + + +Optional properties: + +- arm-primecell-periphid: Primecell peripheral ID associated with CTI + module. + + +Example: + +cti0: cti@0x54148000 { + compatible = "arm,primecell"; + interrupts = <0 1 0x4>; + reg = <0x54148000 0x1000>; + arm,cti-name = "cti0"; + arm,primecell-periphid = <0x003bb906>; +};