From mboxrd@z Thu Jan 1 00:00:00 1970 From: Huang Shijie Subject: Re: [PATCH v3 4/6] ARM: dts: imx6q{dl}: fix the wrong RTS/CTS pad name Date: Mon, 8 Jul 2013 14:31:03 +0800 Message-ID: <51DA5CA7.1050305@freescale.com> References: <1373004752-21302-1-git-send-email-b32955@freescale.com> <1373004752-21302-5-git-send-email-b32955@freescale.com> <20130706050803.GC30164@S2101-09.ap.freescale.net> <20953.22066.706534.773272@ipc1.ka-ro> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail-db9lp0249.outbound.messaging.microsoft.com ([213.199.154.249]:45275 "EHLO db9outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753381Ab3GHG21 convert rfc822-to-8bit (ORCPT ); Mon, 8 Jul 2013 02:28:27 -0400 In-Reply-To: <20953.22066.706534.773272@ipc1.ka-ro> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: =?UTF-8?B?TG90aGFyIFdhw59tYW5u?= Cc: Shawn Guo , gregkh@linuxfoundation.org, linux-arm-kernel@lists.infradead.org, linux-serial@vger.kernel.org, Frank LI =E4=BA=8E 2013=E5=B9=B407=E6=9C=8807=E6=97=A5 19:51, Lothar Wa=C3=9Fman= n =E5=86=99=E9=81=93: > Hi, > > Shawn Guo writes: >> On Fri, Jul 05, 2013 at 02:12:30PM +0800, Huang Shijie wrote: >>> There is something wrong with the RTS/CTS pads: >>> The RTS pad is assigned with the CTS's value; >>> while the CTS pad is assigned with the RTS's value. >>> >> So basically, you are saying that select_input should be set up for = CTS >> rather than RTS. It seems that the people who generated the macro g= ot >> the wrong input from developer. >> > programming 'select_input' only makes sense for inputs, not outputs. > Since CTS is an output signal, select_input only makes sense for the > RTS function of the pads. Hi Lothar: In our imx6 Soc, the CTS is used as a input signal, not as a output sig= nal. I checked two boards, one is imx6q ARM2 armidillo board, one is=20 imx6-sabreauto board, both the boards use the CTS as a input signal. thanks Huang Shijie -- To unsubscribe from this list: send the line "unsubscribe linux-serial"= in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: b32955@freescale.com (Huang Shijie) Date: Mon, 8 Jul 2013 14:31:03 +0800 Subject: [PATCH v3 4/6] ARM: dts: imx6q{dl}: fix the wrong RTS/CTS pad name In-Reply-To: <20953.22066.706534.773272@ipc1.ka-ro> References: <1373004752-21302-1-git-send-email-b32955@freescale.com> <1373004752-21302-5-git-send-email-b32955@freescale.com> <20130706050803.GC30164@S2101-09.ap.freescale.net> <20953.22066.706534.773272@ipc1.ka-ro> Message-ID: <51DA5CA7.1050305@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org ? 2013?07?07? 19:51, Lothar Wa?mann ??: > Hi, > > Shawn Guo writes: >> On Fri, Jul 05, 2013 at 02:12:30PM +0800, Huang Shijie wrote: >>> There is something wrong with the RTS/CTS pads: >>> The RTS pad is assigned with the CTS's value; >>> while the CTS pad is assigned with the RTS's value. >>> >> So basically, you are saying that select_input should be set up for CTS >> rather than RTS. It seems that the people who generated the macro got >> the wrong input from developer. >> > programming 'select_input' only makes sense for inputs, not outputs. > Since CTS is an output signal, select_input only makes sense for the > RTS function of the pads. Hi Lothar: In our imx6 Soc, the CTS is used as a input signal, not as a output signal. I checked two boards, one is imx6q ARM2 armidillo board, one is imx6-sabreauto board, both the boards use the CTS as a input signal. thanks Huang Shijie