From patchwork Wed May 27 18:35:44 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moritz Fischer X-Patchwork-Id: 6492541 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 64BFA9F1CC for ; Wed, 27 May 2015 18:39:05 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 81DE120653 for ; Wed, 27 May 2015 18:39:04 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 966D220658 for ; Wed, 27 May 2015 18:39:03 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YxgC9-0006M3-Ah; Wed, 27 May 2015 18:36:49 +0000 Received: from mail-pd0-f182.google.com ([209.85.192.182]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YxgBk-00060y-Am for linux-arm-kernel@lists.infradead.org; Wed, 27 May 2015 18:36:25 +0000 Received: by pdbqa5 with SMTP id qa5so23038318pdb.0 for ; Wed, 27 May 2015 11:36:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=U8N+iLt8OrEdtuDyl5aAHEAyKoPYyL31U0h0QrDBLD8=; b=S7F9PQsV0MKFCk0mmb/s7gFk7LmYWJwy9khhWQCiedOUEttRq003Sm+x9CHot+Rh3k f5VLf/8Kv+i2Km2Ozu/H3MUh+35xgG8cn+SpUVJ1H/CI2yG2xz2xHnEgf2t1ZVbqjx6B c5j+z96JcglrZjgFi+ZR10xSluuzJOJZTqGb20pM/pkdosuuDMLsfDRDnRirShaxrbRq 3PyAxF0guZRD1MQ6Bu0EkLz/1yO91Cj+qr92OB/Xf1ryhHYdNedvVODVDyqYKY95vE5S HPbl8j2gCv44I1O9neQSH7VEmt2F9a+umC/ciiYtG73KrQPd2CBsSrNRLWj1W/w8yQJ1 6Lmg== X-Gm-Message-State: ALoCoQnszOoPSjWB+jvaDGKg24nxkNknnFmZVHU+nEJlBEwkk3Vp2MENGJN5UlDmMbfXW+Sh5bHy X-Received: by 10.70.49.168 with SMTP id v8mr61714408pdn.24.1432751762892; Wed, 27 May 2015 11:36:02 -0700 (PDT) Received: from fenrir.amer.corp.natinst.com (209-234-137-234.static.twtelecom.net. [209.234.137.234]) by mx.google.com with ESMTPSA id jz10sm16894894pbc.48.2015.05.27.11.36.00 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 27 May 2015 11:36:01 -0700 (PDT) From: Moritz Fischer To: jassisinghbrar@gmail.com Subject: [PATCHv2 1/2] dts: Adding docs for Xilinx LogiCORE IP mailbox driver. Date: Wed, 27 May 2015 11:35:44 -0700 Message-Id: <1432751745-17473-2-git-send-email-moritz.fischer@ettus.com> X-Mailer: git-send-email 2.4.1 In-Reply-To: <1432751745-17473-1-git-send-email-moritz.fischer@ettus.com> References: <1432751745-17473-1-git-send-email-moritz.fischer@ettus.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150527_113624_474570_9261AF1C X-CRM114-Status: GOOD ( 11.11 ) X-Spam-Score: -1.8 (-) Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, Moritz Fischer , arnd@arndb.de, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, gregkh@linuxfoundation.org, mchehab@osg.samsung.com, linux-kernel@vger.kernel.org, michal.simek@xilinx.com, jingoohan1@gmail.com, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, galak@codeaurora.org, joe@perches.com, akpm@linux-foundation.org, soren.brinkmann@xilinx.com X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Changes from v1: - Added common clock framework support Changes from v0: - Fixed example bindings Signed-off-by: Moritz Fischer --- .../bindings/mailbox/xilinx-mailbox.txt | 44 ++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt b/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt new file mode 100644 index 0000000..50d0e5c --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt @@ -0,0 +1,44 @@ +Xilinx Mailbox Driver +===================== + +Required properties: +- compatible : "xlnx,mailbox-2.1". +- reg : physical base address of the mailbox and length of + memory mapped region. +- #mbox-cells : Common mailbox binding property to identify the number + of cells required for the mailbox specifier. Should be 1. +- clocks : phandle to clock provider +- clock-names : must be 'mbox' + +Optional properties: +- interrupt-parent : interrupt source phandle. +- interrupts : interrupt number. The interrupt specifier format + depends on the interrupt controller parent. + +Example: + mbox: mailbox@40400000 { + compatible = "xlnx,axi-mailbox-2.1"; + reg = <0x40400000 0x3c>; + interrupt-parent = <&intc>; + interrupts = <5>; + #mbox-cells = <1>; + clocks = <&clkc 15>; + clock-names = "mbox"; + }; + +Mailbox client +=============== +"mboxes" and the optional "mbox-names" (please see +Documentation/devicetree/bindings/mailbox/mailbox.txt for details). Each value +of the mboxes property should contain a phandle to the mailbox controller +device node and second argument is the channel index. It must be 0 (hardware +support only one channel). The equivalent "mbox-names" property value can be +used to give a name to the communication channel to be used by the client user. + +Example: + mclient0: mclient0@400 { + compatible = "client-1.0"; + reg = <0x400 0x10>; + mbox-names = "mbox"; + mboxes = <&mbox 0>; + };