From patchwork Tue Nov 25 00:17:16 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Bresticker X-Patchwork-Id: 414194 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 B5ACF1400EA for ; Tue, 25 Nov 2014 11:21:46 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751689AbaKYAVa (ORCPT ); Mon, 24 Nov 2014 19:21:30 -0500 Received: from mail-pd0-f202.google.com ([209.85.192.202]:60370 "EHLO mail-pd0-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750759AbaKYARd (ORCPT ); Mon, 24 Nov 2014 19:17:33 -0500 Received: by mail-pd0-f202.google.com with SMTP id w10so400825pde.1 for ; Mon, 24 Nov 2014 16:17:33 -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=hxdUso+MEvPJQYIGCJN+WQ2zYOgjlqQJEaPjdbsrrDk=; b=IIynZi5CUcCtKdweF4CNK+lBcaNcB8nkvBOZ70ocJ63VjRmPkXJgVvAp/TvJtl1wpW +ztxQFSFiIDKNRZmbD9JXbKeE9BslNEGWxzx2U8Rw7q8L8BJyLW3O0ipXOJttewK+CrK y3lfOoHulEHTjU1TutwEKIDLzpzQjJ7m8ItPkPaLIM+4HTe9F5mkREMOXNebkRCOoAst a5ZyDdSYxFAQYW77bDPpRML9Evg3G6/gPz+jBOtFa+xXpVo5UXZh1DLbrCGXu70Ww1wU RXuEQ/29waaxF0ocCRJAG5eLBzpNAD6vDX54cjWUKIY0rCkvpMXuN5k6av7wJ0JQhJ+3 UX9w== X-Gm-Message-State: ALoCoQleZOj5mR8vgUICiNBJat78TY0MvrSsqZdO/KMDpgFgeyHa4Nbw2zPR2J/Bo7dI1dp8yZTv X-Received: by 10.70.39.102 with SMTP id o6mr22059806pdk.4.1416874653469; Mon, 24 Nov 2014 16:17:33 -0800 (PST) Received: from corpmail-nozzle1-2.hot.corp.google.com ([100.108.1.103]) by gmr-mx.google.com with ESMTPS id n63si512906yho.5.2014.11.24.16.17.31 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 24 Nov 2014 16:17:33 -0800 (PST) Received: from abrestic.mtv.corp.google.com ([172.22.65.70]) by corpmail-nozzle1-2.hot.corp.google.com with ESMTP id cRIQ2STM.1; Mon, 24 Nov 2014 16:17:33 -0800 Received: by abrestic.mtv.corp.google.com (Postfix, from userid 137652) id 640232212CA; Mon, 24 Nov 2014 16:17:31 -0800 (PST) From: Andrew Bresticker To: Stephen Warren , Thierry Reding , Alexandre Courbot , linux-tegra@vger.kernel.org Cc: Andrew Bresticker , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Jassi Brar , Linus Walleij , Greg Kroah-Hartman , Mathias Nyman , Grant Likely , Alan Stern , Arnd Bergmann , Olof Johansson , Kishon Vijay Abraham I , Felipe Balbi , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org Subject: [PATCH V6 04/12] of: Add NVIDIA Tegra XUSB mailbox binding Date: Mon, 24 Nov 2014 16:17:16 -0800 Message-Id: <1416874644-12070-5-git-send-email-abrestic@chromium.org> X-Mailer: git-send-email 2.1.0.rc2.206.gedb03e5 In-Reply-To: <1416874644-12070-1-git-send-email-abrestic@chromium.org> References: <1416874644-12070-1-git-send-email-abrestic@chromium.org> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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/v5. 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"; + ... + };