From patchwork Wed Jul 15 01:00:21 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Moritz Fischer X-Patchwork-Id: 6790851 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 4BF05C05AC for ; Wed, 15 Jul 2015 01:03:32 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 652FC206BD for ; Wed, 15 Jul 2015 01:03:31 +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 79DEF206AC for ; Wed, 15 Jul 2015 01:03:30 +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 1ZFB4R-0004E2-03; Wed, 15 Jul 2015 01:01:11 +0000 Received: from mail-pd0-f171.google.com ([209.85.192.171]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZFB4J-00040O-TA for linux-arm-kernel@lists.infradead.org; Wed, 15 Jul 2015 01:01:04 +0000 Received: by pdbqm3 with SMTP id qm3so14618319pdb.0 for ; Tue, 14 Jul 2015 18:00:43 -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=1Msr816X6ZxcYeVz0kl0svQUvALury46et6AN3Wrc40=; b=b2jAE3R7YgRZXwmRL8RHdWm17xbzH07CD1K/w2fevS6J3y0OjvT1/tY2jf3ZRQjq2F y5coUqal6VwqgB8DkrrR7emK8GBBfUw7GRi0V90PhJfAUIy0wH/scFiUX8GVPxzKOzvR CnuCy1plQe/yhtsZ/8Pa3w3GMHDg6iu1XB9GrhM04j3okKALG9GxAonaVpGEoAyZCNmH upgIh54yj3qu4Y/A2ipWycaQQr8bmzMzdXHR5Yo/RYiDv+Viwiwbz+YNWZmD5cqFJCwl FhtRyhDY8ubNw4e+ciAKt2/txfoO1xndHOXwVm0/HJIdfEE/PKWBULvpuOIsMQbkUKu4 fqNg== X-Gm-Message-State: ALoCoQmFlMlDGJ91YQASNQNbcfqsqnALZqn5pdX3nOGoiZea6Opp0DObRoDL1erXMLSUiNjMixlP X-Received: by 10.68.130.226 with SMTP id oh2mr2545471pbb.156.1436922043105; Tue, 14 Jul 2015 18:00:43 -0700 (PDT) Received: from fenrir.amer.corp.natinst.com (209-234-137-234.static.twtelecom.net. [209.234.137.234]) by smtp.gmail.com with ESMTPSA id v9sm2565763pdr.96.2015.07.14.18.00.40 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 14 Jul 2015 18:00:42 -0700 (PDT) From: Moritz Fischer To: jassisinghbrar@gmail.com Subject: [PATCHv7 1/2] dts: Adding docs for Xilinx LogiCORE IP mailbox driver. Date: Tue, 14 Jul 2015 18:00:21 -0700 Message-Id: <1436922022-17564-2-git-send-email-moritz.fischer@ettus.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1436922022-17564-1-git-send-email-moritz.fischer@ettus.com> References: <1436922022-17564-1-git-send-email-moritz.fischer@ettus.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150714_180103_968704_615512B6 X-CRM114-Status: GOOD ( 13.83 ) 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=-5.6 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 Acked-by: Sören Brinkmann --- .../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..f9ec46d --- /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,mailbox-2.1"; + reg = <0x40400000 0x100>; + 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>; + };