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NixOS on ARM/Libre Computer ROC-RK3328-CC: Difference between revisions

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== USB ==
== USB ==
To enable USB power ''GPIO1_D2'' must be pulled high. D2 translates to 26 (D=4, 4*8+2=26). This is most easily done with the following systemd service.
To enable USB power ''GPIO1_D2'' must be pulled high. D2 translates to 26 (D=4, 4*8+2=26). Normally this is configured in the device tree, which gets loaded at boot time. At the time of writing, the ROC-RK3328-CC version of u-boot hasn't been ported to nixpkgs yet, so this is most easily done with the following systemd service.


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