https://community.nxp.com/t5/i-MX-Processors/I-MX-device-tree-overlay-implement/m-p/2111005#M237926 <P>the purpose of your request is that you wan to add or remove dtbo file dynamically, right?</P> <P>you can refer to the document as below, which is verified on nxp bsp,&nbsp;<SPAN>if/else test can meet your request or not</SPAN></P> <P><A href="https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/How-to-use-linux-device-tree-overlay-from-u-boot-and-apply-it/ta-p/1896858" target="_blank">How to use linux device tree overlay from u-boot and apply it automatically - NXP Community</A></P> <P>you also can refer to&nbsp;</P> <P><A href="https://forums.raspberrypi.com/viewtopic.php?t=99401" target="_blank">Device tree overlay - dynamic load and unload - Raspberry Pi Forums</A></P> <P><A href="https://raspberrypi.stackexchange.com/questions/136839/using-the-dynamic-device-tree-to-add-overlays-at-run-time" target="_blank">pi 4 - Using the Dynamic Device Tree to add Overlays at Run Time - Raspberry Pi Stack Exchange</A></P> Thu, 05 Jun 2025 06:44:02 GMT joanxie 2025-06-05T06:44:02Z https://community.nxp.com/t5/i-MX-Processors/I-MX-device-tree-overlay-implement/m-p/2110106#M237874 <P>Hi NXP team,</P><P>&nbsp; &nbsp; How to load dtbo (overlay file) in runtime.</P><P>&nbsp; &nbsp; An example for imx8mp, In kernel 6.1.36 there have&nbsp;imx8mp-evk-revb4.dtbo and it merge with others DTB file to generate a new one like :</P><P>imx8mp-evk-revb4-ov2775-dtbs = imx8mp-evk-ov2775.dtb imx8mp-evk-revb4.dtbo</P><P>&nbsp;</P><P>&nbsp; &nbsp;In this case can we use&nbsp;imx8mp-evk-ov2775.dtb and runtime load&nbsp;imx8mp-evk-revb4.dtbo ?</P><P>&nbsp; &nbsp; If the answer is yes, how to do that ?</P><P>&nbsp;</P><P>BR,</P><P>Sean</P> Wed, 04 Jun 2025 06:36:54 GMT https://community.nxp.com/t5/i-MX-Processors/I-MX-device-tree-overlay-implement/m-p/2110106#M237874 charleshuang 2025-06-04T06:36:54Z https://community.nxp.com/t5/i-MX-Processors/I-MX-device-tree-overlay-implement/m-p/2111005#M237926 <P>the purpose of your request is that you wan to add or remove dtbo file dynamically, right?</P> <P>you can refer to the document as below, which is verified on nxp bsp,&nbsp;<SPAN>if/else test can meet your request or not</SPAN></P> <P><A href="https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/How-to-use-linux-device-tree-overlay-from-u-boot-and-apply-it/ta-p/1896858" target="_blank">How to use linux device tree overlay from u-boot and apply it automatically - NXP Community</A></P> <P>you also can refer to&nbsp;</P> <P><A href="https://forums.raspberrypi.com/viewtopic.php?t=99401" target="_blank">Device tree overlay - dynamic load and unload - Raspberry Pi Forums</A></P> <P><A href="https://raspberrypi.stackexchange.com/questions/136839/using-the-dynamic-device-tree-to-add-overlays-at-run-time" target="_blank">pi 4 - Using the Dynamic Device Tree to add Overlays at Run Time - Raspberry Pi Stack Exchange</A></P> Thu, 05 Jun 2025 06:44:02 GMT https://community.nxp.com/t5/i-MX-Processors/I-MX-device-tree-overlay-implement/m-p/2111005#M237926 joanxie 2025-06-05T06:44:02Z