i.MX Processors中的主题 Re: I2C frequency on 2 buses https://community.nxp.com/t5/i-MX-Processors/I2C-frequency-on-2-buses/m-p/208261#M12178 <HTML><HEAD></HEAD><BODY><P>Hi (and happy new year!!!!).<SPAN style="font-family: 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: #ffffff;"> We already have modified some features in the kernel and I prefer not to change the kernel. I think the problem could be solved in the i2c-mxs.c file with a "if i2C0 then 100kHz else 400kHz". But I would prefer another solution...</SPAN></P></BODY></HTML> Mon, 07 Jan 2013 09:02:11 GMT samuelsalas 2013-01-07T09:02:11Z I2C frequency on 2 buses https://community.nxp.com/t5/i-MX-Processors/I2C-frequency-on-2-buses/m-p/208258#M12175 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I would like to know how is it possible to change the frequency on 2 buses.</P><P>In i2c-mxs.c I can configure 100kHz or 400kHz in the 2 buses but I can't do different frequencies on the 2 buses. Anyone can help?</P></BODY></HTML> Fri, 14 Dec 2012 17:00:10 GMT https://community.nxp.com/t5/i-MX-Processors/I2C-frequency-on-2-buses/m-p/208258#M12175 samuelsalas 2012-12-14T17:00:10Z Re: I2C frequency on 2 buses https://community.nxp.com/t5/i-MX-Processors/I2C-frequency-on-2-buses/m-p/208259#M12176 <HTML><HEAD></HEAD><BODY><P>This works in 3.7 (upstream Linux kernel). Is there any reason why this won't work in the FSL BSP?</P></BODY></HTML> Wed, 26 Dec 2012 03:56:38 GMT https://community.nxp.com/t5/i-MX-Processors/I2C-frequency-on-2-buses/m-p/208259#M12176 MarekVasut 2012-12-26T03:56:38Z Re: I2C frequency on 2 buses https://community.nxp.com/t5/i-MX-Processors/I2C-frequency-on-2-buses/m-p/208260#M12177 <HTML><HEAD></HEAD><BODY><P>Samuel,</P><P></P><P>As Marek confirmed this works on 3.7, maybe you should switch your kernel to 3.7.</P><P></P><P>Regards,</P><P></P><P>Fabio Estevam</P></BODY></HTML> Wed, 26 Dec 2012 12:25:42 GMT https://community.nxp.com/t5/i-MX-Processors/I2C-frequency-on-2-buses/m-p/208260#M12177 fabio_estevam 2012-12-26T12:25:42Z Re: I2C frequency on 2 buses https://community.nxp.com/t5/i-MX-Processors/I2C-frequency-on-2-buses/m-p/208261#M12178 <HTML><HEAD></HEAD><BODY><P>Hi (and happy new year!!!!).<SPAN style="font-family: 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: #ffffff;"> We already have modified some features in the kernel and I prefer not to change the kernel. I think the problem could be solved in the i2c-mxs.c file with a "if i2C0 then 100kHz else 400kHz". But I would prefer another solution...</SPAN></P></BODY></HTML> Mon, 07 Jan 2013 09:02:11 GMT https://community.nxp.com/t5/i-MX-Processors/I2C-frequency-on-2-buses/m-p/208261#M12178 samuelsalas 2013-01-07T09:02:11Z Re: I2C frequency on 2 buses https://community.nxp.com/t5/i-MX-Processors/I2C-frequency-on-2-buses/m-p/208262#M12179 <HTML><HEAD></HEAD><BODY><P>We finaly modify the kernel by adding the speed in the I2C structure. </P></BODY></HTML> Fri, 26 Apr 2013 07:00:41 GMT https://community.nxp.com/t5/i-MX-Processors/I2C-frequency-on-2-buses/m-p/208262#M12179 samuelsalas 2013-04-26T07:00:41Z