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--- products:sbc:vim4:configurations:device-tree-overlay [2022/07/06 02:48]
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+++ products:sbc:vim4:configurations:device-tree-overlay [2022/09/28 08:45] (current)
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@@ Line 1: / Line 1: @@
-====== Device Tree Overlay ======
+{{indexmenu_n>5}}
-===== Introduction =====
-You can use Device Tree Overlay feature to enable/disable some hardware functions without to recompile the kernel source code.
+====== VIM4 Device Tree Overlay ======
-===== Install DTBO Debian Package =====
+{{page>products:sbc:common:configurations:device-tree-overlay&noheader}}
-===== Make Your Own DTBO Files =====
-There are some ready to use dtbo files, you can also add your own dtbos to enable or disable the peripherals.
-```sh
-khadas@Khadas:~$ ll /boot/dtb/overlays/kvim3
-```
-  * Write your own device tree overlay file, for example `example.dts`: ```
-/dts-v1/;
-/plugin/;
-/ {
-    fragment@0 {
-        target = <&i2c3>;
-        __overlay__ {
-            status = "okay";
-        };
-    };
-};
-```
-This device tree overlay is to enable `i2c3`.
-  * Compile it to dtbo ```
-khadas@Khadas:~$ dtc -I dts -O dtb -o example.dtbo example.dts
-khadas@Khadas:~$ ls example.dtbo
-example.dtbo
-```
-  * Move the dtbo file to ''/boot/dtb/overlays/kvim3''
-  * Edit ''/boot/env.txt'' to add in node ''overlays''
-  * Reboot the board

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