https://community.nxp.com/t5/i-MX-Processors/Set-Input-pin-to-PULL-UP/m-p/1246965#M170967 Hello, I am working on IMX8M mini EVK. I would like to know how to set a GPIO pin to INPUT and PULL-UP. Thank you. Wed, 17 Mar 2021 07:58:15 GMT Chayma 2021-03-17T07:58:15Z https://community.nxp.com/t5/i-MX-Processors/Set-Input-pin-to-PULL-UP/m-p/1246965#M170967 Hello, I am working on IMX8M mini EVK. I would like to know how to set a GPIO pin to INPUT and PULL-UP. Thank you. Wed, 17 Mar 2021 07:58:15 GMT https://community.nxp.com/t5/i-MX-Processors/Set-Input-pin-to-PULL-UP/m-p/1246965#M170967 Chayma 2021-03-17T07:58:15Z https://community.nxp.com/t5/i-MX-Processors/Set-Input-pin-to-PULL-UP/m-p/1247006#M170971 <P>Hi Chayma</P> <P>&nbsp;</P> <P>one can look at documentation</P> <P><A href="https://source.codeaurora.org/external/imx/linux-imx/tree/Documentation/devicetree/bindings/pinctrl/fsl,imx8mm-pinctrl.txt?h=imx_5.4.70_2.3.0" target="_blank" rel="noopener">https://source.codeaurora.org/external/imx/linux-imx/tree/Documentation/devicetree/bindings/pinctrl/fsl,imx8mm-pinctrl.txt?h=imx_5.4.70_2.3.0</A></P> <P>for example MX8MM_IOMUXC_UART1_RXD_UART1_DCE_RX 0x140, value 0x140 is described in</P> <P>sect.8.2.5.291 Pad Control Register (IOMUXC_SW_PAD_CTL_PAD_UART1_RXD)</P> <P><A id="relatedDocsClick_1" href="https://www.nxp.com/webapp/Download?colCode=IMX8MMRM" target="_blank" rel="noopener"><STRONG>i.MX 8M Mini Applications Processor Reference Manual</STRONG></A></P> <P>Direction can be set in uboot.</P> <P>&nbsp;</P> <P>Best regards<BR />igor</P> Wed, 17 Mar 2021 08:43:28 GMT https://community.nxp.com/t5/i-MX-Processors/Set-Input-pin-to-PULL-UP/m-p/1247006#M170971 igorpadykov 2021-03-17T08:43:28Z