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nixos/hardware.deviceTree: new module

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Add support for custom device-tree files, and applying overlays to them.
This is useful for supporting non-discoverable hardware, such as sensors
attached to GPIO pins on a Raspberry Pi.
This commit is contained in:
Kai Wohlfahrt 2019-04-24 18:24:16 +01:00
parent 0a477846af
commit dd0a951279
6 changed files with 91 additions and 5 deletions
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5
nixos/modules/system/boot/loader/generic-extlinux-compatible/extlinux-conf-builder.sh
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@ -75,9 +75,8 @@ addEntry() {
copyToKernelsDir "$path/kernel"; kernel=$result
copyToKernelsDir "$path/initrd"; initrd=$result
# XXX UGLY: maybe the system config should have a top-level "dtbs" entry?
dtbDir=$(readlink -m "$path/kernel/../dtbs")
if [ -d "$dtbDir" ]; then
dtbDir=$(readlink -m "$path/dtbs")
if [ -e "$dtbDir" ]; then
copyToKernelsDir "$dtbDir"; dtbs=$result
fi