From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Heimpold Subject: Re: [PATCH v2 0/9] ARM: dts: support I2SE Duckbill devices Date: Tue, 24 Jan 2017 06:44:55 +0000 Message-ID: <20170124064455.Horde.BVd2TVghMJl52nkc24d9p40@www.mhei.heimpold.org> References: <1485123764-14754-1-git-send-email-mhei@heimpold.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed; DelSp=Yes Return-path: In-Reply-To: Content-Disposition: inline Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Fabio Estevam Cc: Shawn Guo , Sascha Hauer , robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, Mark Rutland , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Stefan Wahren List-Id: devicetree@vger.kernel.org Hi Fabio, Zitat von Fabio Estevam : > Hi Michael, > > On Sun, Jan 22, 2017 at 8:22 PM, Michael Heimpold wrote: > >> - Duckbill 485/Duckbill 2 485: as the name implies, these >> devices are intended to be used as Ethernet - RS485 converters > > Just curious: do you use mxs-auart to interface to a rs485 > transceiver? If so, would you have mxs-auart patches that add rs485? Due to the lack of hardware support in mxs-auart for rs485, we decided to use a more expensive hardware transceiver with auto direction feature. So the rs485 is (mostly) transparent for upper layers. Regards, Michael -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: mhei@heimpold.de (Michael Heimpold) Date: Tue, 24 Jan 2017 06:44:55 +0000 Subject: [PATCH v2 0/9] ARM: dts: support I2SE Duckbill devices In-Reply-To: References: <1485123764-14754-1-git-send-email-mhei@heimpold.de> Message-ID: <20170124064455.Horde.BVd2TVghMJl52nkc24d9p40@www.mhei.heimpold.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Fabio, Zitat von Fabio Estevam : > Hi Michael, > > On Sun, Jan 22, 2017 at 8:22 PM, Michael Heimpold wrote: > >> - Duckbill 485/Duckbill 2 485: as the name implies, these >> devices are intended to be used as Ethernet - RS485 converters > > Just curious: do you use mxs-auart to interface to a rs485 > transceiver? If so, would you have mxs-auart patches that add rs485? Due to the lack of hardware support in mxs-auart for rs485, we decided to use a more expensive hardware transceiver with auto direction feature. So the rs485 is (mostly) transparent for upper layers. Regards, Michael