From patchwork Mon Nov 17 22:41:34 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Bresticker X-Patchwork-Id: 5324291 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 [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 42EB79F472 for ; Mon, 17 Nov 2014 22:53:26 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7CCBB20125 for ; Mon, 17 Nov 2014 22:53:25 +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 63E6120136 for ; Mon, 17 Nov 2014 22:53:24 +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 1XqV9B-0006oG-7N; Mon, 17 Nov 2014 22:51:49 +0000 Received: from mail-pd0-f202.google.com ([209.85.192.202]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XqV8J-000623-4W for linux-arm-kernel@lists.infradead.org; Mon, 17 Nov 2014 22:50:56 +0000 Received: by mail-pd0-f202.google.com with SMTP id g10so423767pdj.1 for ; Mon, 17 Nov 2014 14:50:34 -0800 (PST) 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=0pRywv5rvLt3zycew1Y0i660U/dGhPIPJbmjFjFTtfY=; b=UTfvSPum/hvYSs7Orhw+3KT568JywEVsJOyGBCw/9199vEerh4WC/bL1ocX95lxYQ8 R0fJE/UcjvPbVUhD4R/+wma+cI0uaUehGP5VgKAZNgy/3zKt9xVk0P+ijC6FxUzOPSfK DqBsIroYu98vz+Zr8+rGGiqkBmJrUFQZEV/iPTXfMjinz6dM2gumcCvcXWP2TFg9TnV9 nOzWPk+nVtkbLst5+WM/Q5we/JtN+e401ox2tyVsKt0RbgyHReRWLyUb8nLh4tVjDCOz s8xh/UdF795UXU3vlC3AHTISdvm0aNx8OSEPOWD1/ILGA9KSNkP56VjpYIrctUdLSYSb yfvA== X-Gm-Message-State: ALoCoQlk7ZSZSHzTBrOpYd7R3toS6HnGadAZOvDrxXbrFQbNestz3lqMdJhTOwCv0GOvkgdDcH2b X-Received: by 10.68.135.134 with SMTP id ps6mr10590202pbb.4.1416264634070; Mon, 17 Nov 2014 14:50:34 -0800 (PST) Received: from corpmail-nozzle1-2.hot.corp.google.com ([100.108.1.103]) by gmr-mx.google.com with ESMTPS id lu9si6047399qcb.0.2014.11.17.14.50.32 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 17 Nov 2014 14:50:34 -0800 (PST) Received: from abrestic.mtv.corp.google.com ([172.22.65.70]) by corpmail-nozzle1-2.hot.corp.google.com with ESMTP id 2JGdwbW7.1; Mon, 17 Nov 2014 14:50:33 -0800 Received: by abrestic.mtv.corp.google.com (Postfix, from userid 137652) id 6A61F220C5B; Mon, 17 Nov 2014 14:41:45 -0800 (PST) From: Andrew Bresticker To: Stephen Warren , Thierry Reding , Alexandre Courbot , linux-tegra@vger.kernel.org Subject: [PATCH V5 04/12] of: Add NVIDIA Tegra XUSB mailbox binding Date: Mon, 17 Nov 2014 14:41:34 -0800 Message-Id: <1416264102-1323-5-git-send-email-abrestic@chromium.org> X-Mailer: git-send-email 2.1.0.rc2.206.gedb03e5 In-Reply-To: <1416264102-1323-1-git-send-email-abrestic@chromium.org> References: <1416264102-1323-1-git-send-email-abrestic@chromium.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141117_145055_263053_F64F4F0E X-CRM114-Status: GOOD ( 12.08 ) X-Spam-Score: -0.7 (/) Cc: Mark Rutland , devicetree@vger.kernel.org, linux-usb@vger.kernel.org, Russell King , Mathias Nyman , Pawel Moll , Ian Campbell , Andrew Bresticker , Greg Kroah-Hartman , Linus Walleij , Jassi Brar , linux-kernel@vger.kernel.org, Kishon Vijay Abraham I , Olof Johansson , Rob Herring , Alan Stern , linux-arm-kernel@lists.infradead.org, Kumar Gala , Grant Likely , Arnd Bergmann 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=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW, 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 Add device-tree bindings for the Tegra XUSB mailbox which will be used for communication between the Tegra xHCI controller's firmware and the host processor. Signed-off-by: Andrew Bresticker Reviewed-by: Stephen Warren Acked-by: Jassi Brar --- No changes from v3/v4. Changes from v2: - Dropped channel specifier. - Added pointer to mailbox documentation. Changes from v1: - Updated to use common mailbox bindings. --- .../bindings/mailbox/nvidia,tegra124-xusb-mbox.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/nvidia,tegra124-xusb-mbox.txt diff --git a/Documentation/devicetree/bindings/mailbox/nvidia,tegra124-xusb-mbox.txt b/Documentation/devicetree/bindings/mailbox/nvidia,tegra124-xusb-mbox.txt new file mode 100644 index 0000000..b35ea6e --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/nvidia,tegra124-xusb-mbox.txt @@ -0,0 +1,32 @@ +NVIDIA Tegra XUSB mailbox +========================= + +The Tegra XUSB mailbox is used by the Tegra xHCI controller's firmware to +communicate requests to the host and PHY drivers. + +Refer to ./mailbox.txt for generic information about mailbox device-tree +bindings. + +Required properties: +-------------------- + - compatible: Should be "nvidia,tegra124-xusb-mbox". + - reg: Address and length of the XUSB FPCI registers. + - interrupts: XUSB mailbox interrupt. + - #mbox-cells: Should be 0. There is only one physical channel. + +Example: +-------- + xusb_mbox: mailbox@0,70098000 { + compatible = "nvidia,tegra124-xusb-mbox"; + reg = <0x0 0x70098000 0x0 0x1000>; + interrupts = ; + + #mbox-cells = <0>; + }; + + usb@0,70090000 { + ... + mboxes = <&xusb_mbox>; + mbox-names = "xusb"; + ... + };