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feat(nix): add tejo hardware support and per-model auto-upgrade

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- Add tejo-specific udev rules for both UP Board and UP4000 variants
  (serial symlinks ttyJ4/J5/J7, camera, LED SPI, I2C, USB autosuspend)
- Add USB serial kernel modules (usbserial, ftdi_sio, cp210x) for tejo
- Add tejo serial console kernel params (ttyS4 debug UART)
- Fix upboard.nix: hardware.graphics → hardware.opengl (NixOS 24.05)
- Add tejo-installed nixosConfiguration with model-specific auto-upgrade
- Parameterize auto-upgrade flake URL per machine model

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Patrick Mulligan 2026-03-06 08:54:50 -05:00
commit 143ae9ff0b
3 changed files with 121 additions and 51 deletions
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8
flake.nix
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@ -121,10 +121,10 @@
};
# Auto-upgrade: pulls latest flake and runs nixos-rebuild switch
# To update manually: sudo nixos-rebuild switch --flake git+ssh://forgejo@git.atitlan.io/aiolabs/lamassu-next.git#douro-installed
# To update manually: sudo nixos-rebuild switch --flake git+ssh://forgejo@git.atitlan.io/aiolabs/lamassu-next.git#<model>-installed
system.autoUpgrade = {
enable = true;
flake = "git+ssh://forgejo@git.atitlan.io/aiolabs/lamassu-next.git#douro-installed";
flake = "git+ssh://forgejo@git.atitlan.io/aiolabs/lamassu-next.git#${machineModel}-installed";
dates = "04:00"; # daily at 4am
allowReboot = false;
};
@ -212,9 +212,7 @@
# Installed-to-disk configs (proper GPT + systemd-boot, supports nixos-rebuild)
douro-installed = mkInstalledConfig "douro" ./deploy/nixos/hardware/douro.nix;
# UP Board (tejo) installed config
lamassu-atm = mkInstalledConfig "tejo" ./deploy/nixos/hardware/upboard.nix;
tejo-installed = mkInstalledConfig "tejo" ./deploy/nixos/hardware/upboard.nix;
};
# ── Standalone NixOS module ───────────────────────────────────