topic Where to change drive strength for USB 3.0? in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/Where-to-change-drive-strength-for-USB-3-0/m-p/939577#M140666 <HTML><HEAD></HEAD><BODY><P>Hi All,</P><P>We are working on imx8mq processor-based custom design. We used Linux kernel 4.14 for development. We want to change the drive strength of USB 3.0 USB2 port.</P><P></P><P>The pins are following to needs to change drive strength.</P><P>USB2_DN<BR /> USB2_DP<BR /> USB2_TX_P<BR /> USB2_TX_N<BR /> USB2_RX_P<BR /> USB2_RX_N</P><P></P><P>Can you please share documents or file name to change this drive strength of USB2 port?</P><P></P><P>Thanks,<BR /> parth </P></BODY></HTML> Mon, 19 Aug 2019 07:08:32 GMT parth_modi 2019-08-19T07:08:32Z Where to change drive strength for USB 3.0? https://community.nxp.com/t5/i-MX-Processors/Where-to-change-drive-strength-for-USB-3-0/m-p/939577#M140666 <HTML><HEAD></HEAD><BODY><P>Hi All,</P><P>We are working on imx8mq processor-based custom design. We used Linux kernel 4.14 for development. We want to change the drive strength of USB 3.0 USB2 port.</P><P></P><P>The pins are following to needs to change drive strength.</P><P>USB2_DN<BR /> USB2_DP<BR /> USB2_TX_P<BR /> USB2_TX_N<BR /> USB2_RX_P<BR /> USB2_RX_N</P><P></P><P>Can you please share documents or file name to change this drive strength of USB2 port?</P><P></P><P>Thanks,<BR /> parth </P></BODY></HTML> Mon, 19 Aug 2019 07:08:32 GMT https://community.nxp.com/t5/i-MX-Processors/Where-to-change-drive-strength-for-USB-3-0/m-p/939577#M140666 parth_modi 2019-08-19T07:08:32Z Re: Where to change drive strength for USB 3.0? https://community.nxp.com/t5/i-MX-Processors/Where-to-change-drive-strength-for-USB-3-0/m-p/939578#M140667 <HTML><HEAD></HEAD><BODY><P>Hi Parth,</P><P>Please check register PHY_CTL3_ADDR, fields TXRESTUNE0 and TXRISETUNE0.</P><P><BR />Hope this will be useful for you.<BR />Best regards!<BR />/Carlos<BR />-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!</P><P>-------------------------------------------------------------------------------</P></BODY></HTML> Tue, 20 Aug 2019 16:19:57 GMT https://community.nxp.com/t5/i-MX-Processors/Where-to-change-drive-strength-for-USB-3-0/m-p/939578#M140667 CarlosCasillas 2019-08-20T16:19:57Z