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→How to set DT overlays
# First open the '''/boot/extlinux/extlinux.conf''' configuration file
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[orangepi@orangepi-pc ~]$ '''sudo vim /boot/extlinux/extlinux.conf'''
|}
<ol start="2" style="list-style-type: decimal;">
<li>Then open the corresponding configuration by adding '''FDTOVERLAYS''' '''/dtbs/allwinner/overlay/xxx.dtbo''' in '''/boot/extlinux/extlinux.conf'''</li></ol>
{| class="wikitable" style="background-color:#ffffdc;width:800px;" |-| <big>'''Note that xxx.dtbo in FDTOVERLAYS /dtbs/allwinner/overlay/xxx.dtbo needs to be replaced with the specific dtbo configuration, please do not copy it.'''</big>|}{| class="wikitable" style="width:800px;" |-|
[orangepi@orangepi-pc ~]$ '''sudo vim /boot/extlinux/extlinux.conf'''
FDT /dtbs/allwinner/sun50i-h616-orangepi-zero2w.dtb
'''FDTOVERLAYS /dtbs/allwinner/overlay/<span style="color:#FF0000">xxx.dtbo</span>''' #Configuration that needs to be added|}
<ol start="3" style="list-style-type: decimal;">
<li><p>The storage path of xxx.dtbo in the OPi OS Arch image is as follows. Please note that not all dtbo under this path can be used.</p>
{| class="wikitable" style="width:800px;" |-| <p>'''/boot/dtbs/allwinner/overlay/'''</p>|}</li><li><p>The DT overlays configuration that can be used by the development board is as follows</p></li></ol>
{| class="wikitable" style="width:800px;text-align: center;"
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| '''Functions on the development board'''
| '''sun50i-h616-disable-uart0.dtbo'''
|}
</ol>
<ol start="5" style="list-style-type: decimal;">
<li>If you need to open multiple configurations at the same time, just add the paths of multiple configurations directly after '''FDTOVERLAYS.''' For example, the configuration of opening i2c1 and uart5 at the same time is as follows</li></ol>{| class="wikitable" style="width:800px;" |-|
[orangepi@orangepi-pc ~]$ '''sudo vim /boot/extlinux/extlinux.conf'''
FDT /dtbs/allwinner/sun50i-h616-orangepi-zero2w.dtb
'''FDTOVERLAYS <span style="color:#FF0000">/dtbs/allwinner/overlay/sun50i-h616-pi-i2c1.dtbo /dtbs/allwinner/overlay/sun50i-h616-ph-uart5.dtbo</span>'''|}</ol>
<ol start="6" style="list-style-type: decimal;">
<li>After setting, you need to restart the system for the configuration to take effect.</li></ol>{| class="wikitable" style="width:800px;" |-|
[orangepi@orangepi-pc ~]$ '''sudo reboot'''
|}
</ol>
<span id="how-to-install-software"></span>
== How to install software ==
