From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v2 3/4] can: m_can: Update documentation to mention new fixed transceiver binding Date: Thu, 3 Aug 2017 12:07:35 -0500 Message-ID: <20170803170735.qntnxpx5olghzmbu@rob-hp-laptop> References: <20170724230521.1436-1-fcooper@ti.com> <20170724230521.1436-4-fcooper@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-yw0-f195.google.com ([209.85.161.195]:36453 "EHLO mail-yw0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751208AbdHCRHh (ORCPT ); Thu, 3 Aug 2017 13:07:37 -0400 Content-Disposition: inline In-Reply-To: <20170724230521.1436-4-fcooper@ti.com> Sender: linux-can-owner@vger.kernel.org List-ID: 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 On Mon, Jul 24, 2017 at 06:05:20PM -0500, Franklin S Cooper Jr wrote: > Add information regarding fixed transceiver binding. This is especially > important for MCAN since the IP allows CAN FD mode to run significantly > faster than what most transceivers are capable of. > > Signed-off-by: Franklin S Cooper Jr > --- > Version 2 changes: > Drop unit address > > Documentation/devicetree/bindings/net/can/m_can.txt | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/Documentation/devicetree/bindings/net/can/m_can.txt b/Documentation/devicetree/bindings/net/can/m_can.txt > index 9e33177..e4abd2c 100644 > --- a/Documentation/devicetree/bindings/net/can/m_can.txt > +++ b/Documentation/devicetree/bindings/net/can/m_can.txt > @@ -43,6 +43,11 @@ Required properties: > Please refer to 2.4.1 Message RAM Configuration in > Bosch M_CAN user manual for details. > > +Optional properties: > +- fixed-transceiver : Fixed-transceiver subnode describing maximum speed This is a node, not a property. Sub nodes should have their own section. > + that can be used for CAN and/or CAN-FD modes. See > + Documentation/devicetree/bindings/net/can/fixed-transceiver.txt > + for details. > Example: > SoC dtsi: > m_can1: can@020e8000 { > @@ -64,4 +69,9 @@ Board dts: > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_m_can1>; > status = "enabled"; > + > + fixed-transceiver { > + max-arbitration-speed = <1000000>; > + max-data-speed = <5000000>; > + }; > }; > -- > 2.10.0 >