Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752707AbdGXTvD (ORCPT ); Mon, 24 Jul 2017 15:51:03 -0400 Received: from mail-pf0-f193.google.com ([209.85.192.193]:36726 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751395AbdGXTu5 (ORCPT ); Mon, 24 Jul 2017 15:50:57 -0400 Date: Mon, 24 Jul 2017 14:50:54 -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 Subject: Re: [PATCH 3/4] can: m_can: Update documentation to mention new fixed transceiver binding Message-ID: <20170724195054.or7vsl5mtvgh2tba@rob-hp-laptop> References: <20170719233654.25908-1-fcooper@ti.com> <20170719233654.25908-4-fcooper@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170719233654.25908-4-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: 1512 Lines: 43 On Wed, Jul 19, 2017 at 06:36:53PM -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 > --- > 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..4440e4b 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 > + 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@0 { unit-address should have corresponding reg prop or unit-address should be dropped. > + max-arbitration-speed = <1000000>; > + max-data-speed = <5000000>; > + }; > }; > -- > 2.10.0 >