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This article introduces the knowledge of "how to use the kernel menuconfig of android device tree". Many people will encounter this dilemma in the operation of actual cases, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Note that about the operation of menuconfig, please refer to section 9.3 of the user's manual. This document mainly describes how to call out the menuconfig interface.

As shown in the figure below, it is the kernel source directory of imx6q's device tree, similar to plus and imx6d.

To open menuconfig, the .config file is used, and the .config file of the device tree kernel needs to be configured, as shown in the following figure.

The default file for android is: arch/arm/configs/imx_v7_android_defconfig

The default file for qt is: arch/arm/configs/imx_v7_linux_defconfig

Using the command "cp-r arch/arm/configs/imx_v7_linux_defconfig .config", configure to copy the default files to the kernel directory, and then use the command "export ARCH=arm" to set the arm platform, as shown in the following figure.

Then use the command "make menuconfig" to open the menuconfig file, as shown in the following figure.

For the operation of the menuconfig interface, you can refer to section 9.3 of the user's manual. If you need to configure it in menuconfig, you can overwrite imx_v7_linux_defconfig with the configured .config, so that the newly configured .config file will be used to recompile the kernel.

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