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x-vs=clean score=-100 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfGsMJKTMaKn6ZBsuuNC4oxwxuHw64LUdXeaJw+i6L2jgkAI9BJOn1dJhCEPj0NW2vYqzH0Lzrh0CzCfGS9me8N4aMsrwcVlnANi0wnsb8zkBOYO3V52q FgIE+n+Zt1I6vUAYMeAEhU/QRVcaUiMUu7uT8OL5A4WOUhT/FBTpVTjMnTqgnVJ5FztdQ7A2eqkcOAaO9+eZRbPaobKT7wUh1UbhWdfo/jIdxAI2G6nY+69V X-CM-Analysis: v=2.3 cv=E8HjW5Vl c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=kj9zAlcOel0A:10 a=VUJBJC2UJ8kA:10 a=Ikd4Dj_1AAAA:8 a=VwQbUJbxAAAA:8 a=9MCFatSrEyx-oVUv0vwA:9 a=CjuIK1q_8ugA:10 a=x8gzFH9gYPwA:10 a=AjGcO6oz07-iQ99wixmX:22 X-ME-CMScore: 0 X-ME-CMCategory: none Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751748AbeEVUSj (ORCPT ); Tue, 22 May 2018 16:18:39 -0400 Received: from mail-yw0-f193.google.com ([209.85.161.193]:42209 "EHLO mail-yw0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751423AbeEVUSh (ORCPT ); Tue, 22 May 2018 16:18:37 -0400 X-Google-Smtp-Source: AB8JxZqfPQM63j0lC9i4Khw+AWOafc5HqH7n5sFyx/NZ4QLfLiqv30zv0ZEeJpNPx8dVb4Xall4nMg== Date: Tue, 22 May 2018 15:18:35 -0500 From: Rob Herring To: Jon Hunter Cc: Mikko Perttunen , mark.rutland@arm.com, jassisinghbrar@gmail.com, gregkh@linuxfoundation.org, thierry.reding@gmail.com, araza@nvidia.com, devicetree@vger.kernel.org, linux-serial@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/8] dt-bindings: serial: Add bindings for nvidia,tegra194-tcu Message-ID: <20180522201835.GA24611@rob-hp-laptop> References: <20180508114403.14499-1-mperttunen@nvidia.com> <20180508114403.14499-3-mperttunen@nvidia.com> <3ddaafbd-d8cb-3cca-be4e-8c5c53fd9734@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3ddaafbd-d8cb-3cca-be4e-8c5c53fd9734@nvidia.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-serial-owner@vger.kernel.org X-Mailing-List: linux-serial@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Tue, May 22, 2018 at 04:15:09PM +0100, Jon Hunter wrote: > > On 08/05/18 12:43, Mikko Perttunen wrote: > > Add bindings for the Tegra Combined UART device used to talk to the > > UART console on Tegra194 systems. > > > > Signed-off-by: Mikko Perttunen > > --- > > .../bindings/serial/nvidia,tegra194-tcu.txt | 35 ++++++++++++++++++++++ > > 1 file changed, 35 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.txt > > > > diff --git a/Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.txt b/Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.txt > > new file mode 100644 > > index 000000000000..86763bc5d74f > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.txt > > @@ -0,0 +1,35 @@ > > +NVIDIA Tegra Combined UART (TCU) > > + > > +The TCU is a system for sharing a hardware UART instance among multiple > > +systems withing the Tegra SoC. It is implemented through a mailbox- > > +based protocol where each "virtual UART" has a pair of mailboxes, one > > +for transmitting and one for receiving, that is used to communicate > > +with the hardware implementing the TCU. > > + > > +Required properties: > > +- name : Should be tcu > > +- compatible > > + Array of strings > > + One of: > > + - "nvidia,tegra194-tcu" > > Nit. We should say what device the above compatibility is applicable for ... > > - "nvidia,tegra194-tcu": for Tegra194 Yeah, everyone seems to do that, but I find it to be redundant. Rob