Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753286AbdHQPKo (ORCPT ); Thu, 17 Aug 2017 11:10:44 -0400 Received: from mail-pg0-f66.google.com ([74.125.83.66]:38236 "EHLO mail-pg0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752027AbdHQPKk (ORCPT ); Thu, 17 Aug 2017 11:10:40 -0400 Date: Thu, 17 Aug 2017 10:10:36 -0500 From: Rob Herring To: Franklin S Cooper Jr Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, netdev@vger.kernel.org, linux-can@vger.kernel.org, wg@grandegger.com, mkl@pengutronix.de, quentin.schulz@free-electrons.com, dev.kurt@vandijck-laurijssen.be, andrew@lunn.ch, sergei.shtylyov@cogentembedded.com, socketcan@hartkopp.net Subject: Re: [PATCH v4 2/4] dt-bindings: can: can-transceiver: Document new binding Message-ID: <20170817151036.jyvg63oyhkne5jsg@rob-hp-laptop> References: <20170810005916.27163-1-fcooper@ti.com> <20170810005916.27163-3-fcooper@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170810005916.27163-3-fcooper@ti.com> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1713 Lines: 54 On Wed, Aug 09, 2017 at 07:59:14PM -0500, Franklin S Cooper Jr wrote: > Add documentation to describe usage of the new can-transceiver binding. > This new binding is applicable for any CAN device therefore it exists as > its own document. > > Signed-off-by: Franklin S Cooper Jr > --- > Version 4 changes: > Drop unit address. > Switch from using fixed-transceiver to can-transceiver > > .../bindings/net/can/can-transceiver.txt | 24 ++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > create mode 100644 Documentation/devicetree/bindings/net/can/can-transceiver.txt > > diff --git a/Documentation/devicetree/bindings/net/can/can-transceiver.txt b/Documentation/devicetree/bindings/net/can/can-transceiver.txt > new file mode 100644 > index 0000000..2c31dc0 > --- /dev/null > +++ b/Documentation/devicetree/bindings/net/can/can-transceiver.txt > @@ -0,0 +1,24 @@ > +Generic CAN transceiver Device Tree binding > +------------------------------ > + > +CAN transceiver typically limits the max speed in standard CAN and CAN FD > +modes. Typically these limitations are static and the transceivers themselves > +provide no way to detect this limitation at runtime. For this situation, > +the "can-transceiver" node can be used. > + > +Required Properties: > + max-bitrate: a positive non 0 value that determines the max > + speed that CAN/CAN-FD can run. Any other value > + will be ignored. > + > +Examples: > + > +Based on Texas Instrument's TCAN1042HGV CAN Transceiver > + > +m_can0 { > + .... > + can-transceiver@ { Need to drop the @ too. With that, Acked-by: Rob Herring > + max-bitrate = <5000000>; > + }; > + ... > +}; > -- > 2.9.4.dirty >