https://community.nxp.com/t5/i-MX-Processors/How-to-register-GPIO-as-pinctrl-group-pin/m-p/1493407#M192830 <P>Hi all, Im working with Linux 5.10 on my imx8mm.</P><P>In the linux I can see pinctrl-maps here:&nbsp;<STRONG> /sys/kernel/debug/pinctrl/pinctrl-maps</STRONG></P><P>It is according to the Device Tree files,</P><P>&nbsp;</P><P>Below there is my investigation picture,<BR />I see that blue, pink and violet marked pins are registered in the pinctrl-maps<BR />(<U>there is wrong green marked group in this picture by mistake</U>).<BR /><BR />The question is how to create node (device) in the device tree and add pinctrl pins groups to the Linux.<BR />It works for I2C4 in my case but does not work for os02g10. What can be wrong?<BR /><BR /></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="btarnowski_0-1658414552944.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/187429i2DEEF2E1587C8E0F/image-size/medium?v=v2&amp;px=400" role="button" title="btarnowski_0-1658414552944.png" alt="btarnowski_0-1658414552944.png" /></span></P><P>&nbsp;</P> Thu, 21 Jul 2022 14:46:58 GMT btarnowski 2022-07-21T14:46:58Z https://community.nxp.com/t5/i-MX-Processors/How-to-register-GPIO-as-pinctrl-group-pin/m-p/1493407#M192830 <P>Hi all, Im working with Linux 5.10 on my imx8mm.</P><P>In the linux I can see pinctrl-maps here:&nbsp;<STRONG> /sys/kernel/debug/pinctrl/pinctrl-maps</STRONG></P><P>It is according to the Device Tree files,</P><P>&nbsp;</P><P>Below there is my investigation picture,<BR />I see that blue, pink and violet marked pins are registered in the pinctrl-maps<BR />(<U>there is wrong green marked group in this picture by mistake</U>).<BR /><BR />The question is how to create node (device) in the device tree and add pinctrl pins groups to the Linux.<BR />It works for I2C4 in my case but does not work for os02g10. What can be wrong?<BR /><BR /></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="btarnowski_0-1658414552944.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/187429i2DEEF2E1587C8E0F/image-size/medium?v=v2&amp;px=400" role="button" title="btarnowski_0-1658414552944.png" alt="btarnowski_0-1658414552944.png" /></span></P><P>&nbsp;</P> Thu, 21 Jul 2022 14:46:58 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-register-GPIO-as-pinctrl-group-pin/m-p/1493407#M192830 btarnowski 2022-07-21T14:46:58Z https://community.nxp.com/t5/i-MX-Processors/How-to-register-GPIO-as-pinctrl-group-pin/m-p/1496737#M193123 <P>Hello,<BR /><BR />You may refer to the pinctrl bindings documentation, available here:<BR /><A href="https://source.codeaurora.org/external/imx/linux-imx/tree/Documentation/devicetree/bindings/pinctrl/fsl,imx-pinctrl.txt?h=lf-5.10.y" target="_blank">https://source.codeaurora.org/external/imx/linux-imx/tree/Documentation/devicetree/bindings/pinctrl/fsl,imx-pinctrl.txt?h=lf-5.10.y</A><BR /><BR /><A href="https://source.codeaurora.org/external/imx/linux-imx/tree/Documentation/devicetree/bindings/pinctrl/fsl,imx8mm-pinctrl.yaml?h=lf-5.10.y" target="_blank">https://source.codeaurora.org/external/imx/linux-imx/tree/Documentation/devicetree/bindings/pinctrl/fsl,imx8mm-pinctrl.yaml?h=lf-5.10.y</A><BR /><BR />Best regards,<BR />Aldo.</P> Wed, 27 Jul 2022 22:32:44 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-register-GPIO-as-pinctrl-group-pin/m-p/1496737#M193123 AldoG 2022-07-27T22:32:44Z