https://community.nxp.com/t5/i-MX-Processors/GPIO-in-uboot/m-p/1925796#M227005 <P>Hello&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/203368">@Manuel_Salas</a>&nbsp;,</P><P>&nbsp;</P><P>how to configure it programmatically? I always get return -22 when lookup for gpio name.&nbsp;</P><P>take that as an example:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="abdrhmn_0-1722900034891.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/292028iAF2426E7249B016C/image-size/medium?v=v2&amp;px=400" role="button" title="abdrhmn_0-1722900034891.png" alt="abdrhmn_0-1722900034891.png" /></span></P><P>&nbsp;</P> Mon, 05 Aug 2024 23:21:37 GMT abdrhmn 2024-08-05T23:21:37Z https://community.nxp.com/t5/i-MX-Processors/GPIO-in-uboot/m-p/1925598#M227000 <P>Hi,&nbsp;</P><P>I'm working on imx8ulp board. I would like to monitor and toggle gpio in uboot.&nbsp;</P><P>1) how to know which gpio is available to use?</P><P>2) how to configure the gpio? Do i need to configure it in dts file?</P> Mon, 05 Aug 2024 17:58:23 GMT https://community.nxp.com/t5/i-MX-Processors/GPIO-in-uboot/m-p/1925598#M227000 abdrhmn 2024-08-05T17:58:23Z https://community.nxp.com/t5/i-MX-Processors/GPIO-in-uboot/m-p/1925664#M227001 <P>Hello&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/228624">@abdrhmn</a>&nbsp;</P> <P>&nbsp;</P> <P>I hope you are doing well.</P> <P>&nbsp;</P> <P>Please refer to the U-boot gpio utility:</P> <P><A href="https://docs.u-boot.org/en/latest/usage/cmd/gpio.html" target="_self">https://docs.u-boot.org/en/latest/usage/cmd/gpio.html</A></P> <P>&nbsp;</P> <P>Best regards,</P> <P>--... ...--</P> <P>Salas.</P> Mon, 05 Aug 2024 18:43:00 GMT https://community.nxp.com/t5/i-MX-Processors/GPIO-in-uboot/m-p/1925664#M227001 Manuel_Salas 2024-08-05T18:43:00Z https://community.nxp.com/t5/i-MX-Processors/GPIO-in-uboot/m-p/1925796#M227005 <P>Hello&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/203368">@Manuel_Salas</a>&nbsp;,</P><P>&nbsp;</P><P>how to configure it programmatically? I always get return -22 when lookup for gpio name.&nbsp;</P><P>take that as an example:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="abdrhmn_0-1722900034891.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/292028iAF2426E7249B016C/image-size/medium?v=v2&amp;px=400" role="button" title="abdrhmn_0-1722900034891.png" alt="abdrhmn_0-1722900034891.png" /></span></P><P>&nbsp;</P> Mon, 05 Aug 2024 23:21:37 GMT https://community.nxp.com/t5/i-MX-Processors/GPIO-in-uboot/m-p/1925796#M227005 abdrhmn 2024-08-05T23:21:37Z https://community.nxp.com/t5/i-MX-Processors/GPIO-in-uboot/m-p/1927503#M227102 <P>Hello&nbsp;<a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/228624">@abdrhmn</a>&nbsp;</P> <P>&nbsp;</P> <P>Please take a look to the <A href="https://github.com/nxp-imx/uboot-imx/blob/lf_v2022.04/drivers/gpio/mxc_gpio.c" target="_self">mxc_gpio.c</A> driver on uboot-imx.</P> <P>&nbsp;</P> <P>Best regards,</P> <P>Salas.</P> Wed, 07 Aug 2024 14:18:20 GMT https://community.nxp.com/t5/i-MX-Processors/GPIO-in-uboot/m-p/1927503#M227102 Manuel_Salas 2024-08-07T14:18:20Z