From patchwork Tue Sep 2 21:34:53 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Bresticker X-Patchwork-Id: 4828531 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 [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id AF8CCC0338 for ; Tue, 2 Sep 2014 21:38:16 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DB734201D3 for ; Tue, 2 Sep 2014 21:38:15 +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 0782B201C0 for ; Tue, 2 Sep 2014 21:38:15 +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 1XOvk3-00062J-Qc; Tue, 02 Sep 2014 21:35:55 +0000 Received: from mail-ie0-f201.google.com ([209.85.223.201]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XOvjZ-0005do-OQ for linux-arm-kernel@lists.infradead.org; Tue, 02 Sep 2014 21:35:31 +0000 Received: by mail-ie0-f201.google.com with SMTP id tr6so1305177ieb.0 for ; Tue, 02 Sep 2014 14:35:04 -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=eLg8J5dgstaD2L+y/CeEdpbjUoiOe9x4g2BD/8FZ4l8=; b=QqmZoe6jWwV0paflfZK3o0ntiYSO68sk6nUnsxr5rPyqjTiF0jgb0KPmjF5MJPK5UL 9trJhJpF+TRyt3Z8vgdu7KfN2C2nhi1tYXSj6I3irUH/ghIveZVZpKjgYKkbPWWYkwYU f3mt0aOVXFhNwy1yp78j5klcUK/Gvuynl6IEWPg8vPWWIcCty04IHYiPVjnluMcKeElL jtIAc3ga+tR0tA3knberv81+eMviOtjwsB82UXs3M8jTkjFb+N0+nTF1VPDJAd0i8TI+ WOqUKBm4NwO6UfmP4TJxInf8NXKa7c8zOvctqIK40ElkEudwfjAAI8/9aCCsi6igrtPX a7Zw== X-Gm-Message-State: ALoCoQk1oanOfwQShDCMN4IYJJ0vIDBenojII0G5S4lPugh6xodZ8UKNa0LYnl9ySddHMKz8aBXo X-Received: by 10.42.96.193 with SMTP id k1mr20912279icn.13.1409693704663; Tue, 02 Sep 2014 14:35:04 -0700 (PDT) Received: from corp2gmr1-1.hot.corp.google.com (corp2gmr1-1.hot.corp.google.com [172.24.189.92]) by gmr-mx.google.com with ESMTPS id c77si716019yha.5.2014.09.02.14.35.04 for (version=TLSv1.1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 02 Sep 2014 14:35:04 -0700 (PDT) Received: from abrestic.mtv.corp.google.com (abrestic.mtv.corp.google.com [172.22.65.70]) by corp2gmr1-1.hot.corp.google.com (Postfix) with ESMTP id 6CE0231C35A; Tue, 2 Sep 2014 14:35:04 -0700 (PDT) Received: by abrestic.mtv.corp.google.com (Postfix, from userid 137652) id 224F0220570; Tue, 2 Sep 2014 14:35:04 -0700 (PDT) From: Andrew Bresticker To: Stephen Warren , Thierry Reding , linux-tegra@vger.kernel.org Subject: [PATCH v3 1/9] of: Add NVIDIA Tegra XUSB mailbox binding Date: Tue, 2 Sep 2014 14:34:53 -0700 Message-Id: <1409693701-16520-2-git-send-email-abrestic@chromium.org> X-Mailer: git-send-email 2.1.0.rc2.206.gedb03e5 In-Reply-To: <1409693701-16520-1-git-send-email-abrestic@chromium.org> References: <1409693701-16520-1-git-send-email-abrestic@chromium.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140902_143525_827603_705AC30B X-CRM114-Status: GOOD ( 11.91 ) X-Spam-Score: -3.1 (---) 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 , 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=-3.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, 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 --- 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"; + ... + };