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: 495354 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 6D1D41402C9 for ; Wed, 15 Jul 2015 11:01:16 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752046AbbGOBAp (ORCPT ); Tue, 14 Jul 2015 21:00:45 -0400 Received: from mail-pd0-f177.google.com ([209.85.192.177]:32980 "EHLO mail-pd0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752021AbbGOBAn (ORCPT ); Tue, 14 Jul 2015 21:00:43 -0400 Received: by pdbqm3 with SMTP id qm3so14618318pdb.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=cIwo8pxTefs4h7rHovyKAhQWhDqIVDnPfUCDXXO0euFwYOggQ8AQp/u1FW0LwKf/Te KorixWbzYlLFdvWt1Svx5MSMOEvlClADD37uMyWWZvVuqDWdYimVzoEhab1Ku8BvQic6 X9/xWiN3Om9L9GtwWnTUO5354Dtw8U5ezAckYvVGUVmLBZILpuTaNgm97hMRENQ2fSo/ rgBesh5fmNWDzf7cYmc94rb9g4kroMXF/gAksON40igb7zDReTs+BQE+e+xlbzs6q3/1 zpSRxvccfHvTZsYgCBxiD0WrdlVp4IW/Bcgj84Wf12DMuc7eT7XmOPG0O6+OHsoqMSpP crGQ== X-Gm-Message-State: ALoCoQnsOKTdxHhCmxrAg23JYLZ+p3CDCP7lXdvQKWVkKEIKfrxEk5vgMKqUR9YDorqr0JfHQOSs 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 Cc: linux-kernel@vger.kernel.org, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, michal.simek@xilinx.com, soren.brinkmann@xilinx.com, akpm@linux-foundation.org, gregkh@linuxfoundation.org, mchehab@osg.samsung.com, arnd@arndb.de, joe@perches.com, jingoohan1@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Moritz Fischer 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> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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>; + };