https://community.nxp.com/t5/i-MX-Processors/imx6sx-gpio-set-error/m-p/1326844#M178817 <P>Hi，everyone</P><P>I found the pin MX6SX_PAD_SD2_DATA3__GPIO6_IO_11 in the configuration of imx6sx to be in output mode, but the level is always high. But it can be used normally when configured as a serial port. No errors were reported in the driver files. Why is this?<span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="QQ截图20210820171944.png" style="width: 517px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/153566i34261A6CF6314D53/image-size/large?v=v2&amp;px=999" role="button" title="QQ截图20210820171944.png" alt="QQ截图20210820171944.png" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="QQ截图20210820172117.png" style="width: 488px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/153567i6E127A73C979006D/image-size/large?v=v2&amp;px=999" role="button" title="QQ截图20210820172117.png" alt="QQ截图20210820172117.png" /></span></P> Fri, 20 Aug 2021 09:22:52 GMT 2548903578 2021-08-20T09:22:52Z https://community.nxp.com/t5/i-MX-Processors/imx6sx-gpio-set-error/m-p/1326844#M178817 <P>Hi，everyone</P><P>I found the pin MX6SX_PAD_SD2_DATA3__GPIO6_IO_11 in the configuration of imx6sx to be in output mode, but the level is always high. But it can be used normally when configured as a serial port. No errors were reported in the driver files. Why is this?<span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="QQ截图20210820171944.png" style="width: 517px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/153566i34261A6CF6314D53/image-size/large?v=v2&amp;px=999" role="button" title="QQ截图20210820171944.png" alt="QQ截图20210820171944.png" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="QQ截图20210820172117.png" style="width: 488px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/153567i6E127A73C979006D/image-size/large?v=v2&amp;px=999" role="button" title="QQ截图20210820172117.png" alt="QQ截图20210820172117.png" /></span></P> Fri, 20 Aug 2021 09:22:52 GMT https://community.nxp.com/t5/i-MX-Processors/imx6sx-gpio-set-error/m-p/1326844#M178817 2548903578 2021-08-20T09:22:52Z https://community.nxp.com/t5/i-MX-Processors/imx6sx-gpio-set-error/m-p/1328039#M178933 <P>Hi <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/126174">@2548903578</a>,</P> <P>&nbsp;</P> <P>Please try the config tool to use this GPIO, link below:</P> <P><A href="https://www.nxp.com/design/designs/config-tools-for-i-mx-applications-processors:CONFIG-TOOLS-IMX" target="_blank">https://www.nxp.com/design/designs/config-tools-for-i-mx-applications-processors:CONFIG-TOOLS-IMX</A></P> <P>&nbsp;</P> <P>Regards,</P> <P>Israel.</P> Mon, 23 Aug 2021 23:53:47 GMT https://community.nxp.com/t5/i-MX-Processors/imx6sx-gpio-set-error/m-p/1328039#M178933 nxf63675 2021-08-23T23:53:47Z https://community.nxp.com/t5/i-MX-Processors/imx6sx-gpio-set-error/m-p/1336367#M179719 <P>hi,<A href="https://community.nxp.com/t5/user/viewprofilepage/user-id/128270" target="_self"><SPAN class="">nxf63675</SPAN></A></P><P>Thank you for your reply. I found that after uboot has set gpio, it will affect the kernel settings. You must turn off the gpio function set by uboot.</P> Wed, 08 Sep 2021 01:18:42 GMT https://community.nxp.com/t5/i-MX-Processors/imx6sx-gpio-set-error/m-p/1336367#M179719 2548903578 2021-09-08T01:18:42Z