From patchwork Mon Jul 6 17:16:02 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moritz Fischer X-Patchwork-Id: 6726901 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 3AB6C9F2F0 for ; Mon, 6 Jul 2015 17:18:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6B0332067A for ; Mon, 6 Jul 2015 17:18:38 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8F04A20697 for ; Mon, 6 Jul 2015 17:18:37 +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 1ZCA0d-0002fZ-92; Mon, 06 Jul 2015 17:16:47 +0000 Received: from mail-pd0-f169.google.com ([209.85.192.169]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZCA0V-0002VK-Rd for linux-arm-kernel@lists.infradead.org; Mon, 06 Jul 2015 17:16:40 +0000 Received: by pdbci14 with SMTP id ci14so109254899pdb.2 for ; Mon, 06 Jul 2015 10:16:19 -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=MOZNxyq7emFEv1Vikw663tDCzazNSQXjz0X7dxrWm/c=; b=ICwN5uQ86zGhoM3NmYXqFx5JqD83btRcrMF43UU5xBZTd/tYCGhNycxgvxxgvHCNrG Lp1uzVYcJZYIU0cZULBbIndwjVxYcmicIg1TFBgsmCTd1CVkxRbBi1aM82J+Z/dX+ac4 BBEqvrbaNgTI/6gn10EDGeu7WPZ/bemoaubSmmhe2hPzu99I5cP0TzfPuhmuU1lTbhno 6PbU83DDGUQoXX0nibrK5exZnMKqxFKS+l2QpSyZtolLZ0gT2gA0x0O6SUPiW5aMgT5C pBfXR5QKkUX3QnUh3GmkIerABYPIX+vasaJ9KwuE4PJZSK6Nb0CjScm6WuI9yn0CGkdV 1H4w== X-Gm-Message-State: ALoCoQmqIsPHs/kXOj21h9hzUQDzTpCjHsGVNsvrX8eHs7FPq3iCrwtMaNj60Q2ZTE3C2hEnkOiy X-Received: by 10.68.176.131 with SMTP id ci3mr109079371pbc.146.1436202979050; Mon, 06 Jul 2015 10:16:19 -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 wm8sm18894079pbc.19.2015.07.06.10.16.16 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 06 Jul 2015 10:16:17 -0700 (PDT) From: Moritz Fischer To: jassisinghbrar@gmail.com Subject: [PATCHv6 1/2] dts: Adding docs for Xilinx LogiCORE IP mailbox driver. Date: Mon, 6 Jul 2015 10:16:02 -0700 Message-Id: <1436202963-16922-2-git-send-email-moritz.fischer@ettus.com> X-Mailer: git-send-email 2.4.2 In-Reply-To: <1436202963-16922-1-git-send-email-moritz.fischer@ettus.com> References: <1436202963-16922-1-git-send-email-moritz.fischer@ettus.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150706_101639_931815_F3B20A33 X-CRM114-Status: GOOD ( 13.81 ) X-Spam-Score: -2.6 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 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=-4.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 Signed-off-by: Moritz Fischer Acked-by: Michal Simek --- .../devicetree/bindings/mailbox/xilinx-mailbox.txt | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt diff --git a/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt b/Documentation/devicetree/bindings/mailbox/xilinx-mailbox.txt new file mode 100644 index 0000000..97b81f8 --- /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 0 +- 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,mailbox-2.1"; + reg = <0x40400000 0x100>; + interrupt-parent = <&intc>; + interrupts = <5>; + #mbox-cells = <0>; + 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>; + };