https://community.nxp.com/t5/i-MX-Processors/imx93-gpio-problem/m-p/1980122#M230035 <P>Using gpio2-22 as the earphone interrupt pin, hot plug the earphone during u-boot, and the level detection is correct. After entering the system, the hot plug earphone and the detection pin are always at high level.<BR />Excuse me, is there a problem with the detection pin configuration?</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiang_1001_0-1729679596392.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/306395i7F087B25EE972B28/image-size/medium?v=v2&amp;px=400" role="button" title="xiang_1001_0-1729679596392.png" alt="xiang_1001_0-1729679596392.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiang_1001_1-1729679611190.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/306396iC59BD48037946A59/image-size/medium?v=v2&amp;px=400" role="button" title="xiang_1001_1-1729679611190.png" alt="xiang_1001_1-1729679611190.png" /></span></P><P>&nbsp;</P> Wed, 23 Oct 2024 10:33:58 GMT xiang_1001 2024-10-23T10:33:58Z https://community.nxp.com/t5/i-MX-Processors/imx93-gpio-problem/m-p/1980122#M230035 <P>Using gpio2-22 as the earphone interrupt pin, hot plug the earphone during u-boot, and the level detection is correct. After entering the system, the hot plug earphone and the detection pin are always at high level.<BR />Excuse me, is there a problem with the detection pin configuration?</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiang_1001_0-1729679596392.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/306395i7F087B25EE972B28/image-size/medium?v=v2&amp;px=400" role="button" title="xiang_1001_0-1729679596392.png" alt="xiang_1001_0-1729679596392.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiang_1001_1-1729679611190.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/306396iC59BD48037946A59/image-size/medium?v=v2&amp;px=400" role="button" title="xiang_1001_1-1729679611190.png" alt="xiang_1001_1-1729679611190.png" /></span></P><P>&nbsp;</P> Wed, 23 Oct 2024 10:33:58 GMT https://community.nxp.com/t5/i-MX-Processors/imx93-gpio-problem/m-p/1980122#M230035 xiang_1001 2024-10-23T10:33:58Z https://community.nxp.com/t5/i-MX-Processors/imx93-gpio-problem/m-p/1980457#M230059 <P>Hello&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/242171">@xiang_1001</a>&nbsp;</P> <P>&nbsp;</P> <P>I hope you are doing very well.</P> <P>&nbsp;</P> <P>Just to clarify, are you using the same Device Tree in U-boot and Kernel, right?</P> <P>&nbsp;</P> <P>Also, could you please check with memtool the register 443C_0068h? that register belongs to the MUX of the GPIO_IO22, I want to see if is selected the GPIO2_IO22 in that PAD.</P> <P>&nbsp;</P> <P>&nbsp;</P> <P>Best regards,</P> <P>Salas.</P> Wed, 23 Oct 2024 19:04:20 GMT https://community.nxp.com/t5/i-MX-Processors/imx93-gpio-problem/m-p/1980457#M230059 Manuel_Salas 2024-10-23T19:04:20Z https://community.nxp.com/t5/i-MX-Processors/imx93-gpio-problem/m-p/1980647#M230070 <P><SPAN>Thank you, this problem has been solved.</SPAN></P><P>After shielding these two sentences, the level detection of plugging and unplugging headphones is correct.</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiang_1001_0-1729735880857.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/306562i8B119DA23AA44659/image-size/medium?v=v2&amp;px=400" role="button" title="xiang_1001_0-1729735880857.png" alt="xiang_1001_0-1729735880857.png" /></span></P><P>&nbsp;</P> Thu, 24 Oct 2024 02:13:25 GMT https://community.nxp.com/t5/i-MX-Processors/imx93-gpio-problem/m-p/1980647#M230070 xiang_1001 2024-10-24T02:13:25Z