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dtsoverlays

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mjallen18
2025-12-29 19:22:11 -06:00
parent 82e062a7e8
commit 209e776640
14 changed files with 315 additions and 53 deletions
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61
modules/nixos/hardware/raspberry-pi/i2c.nix Normal file
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@@ -0,0 +1,61 @@
{ config, lib, pkgs, namespace, ... }:
let
cfg = config.${namespace}.hardware.raspberry-pi.i2c;
variant = config.${namespace}.hardware.raspberry-pi.variant;
in
{
options.${namespace}.hardware.raspberry-pi.i2c = {
enable = lib.mkEnableOption "enable i2c dt overlays";
};
config = lib.mkIf cfg.enable {
hardware.deviceTree = {
overlays = (if (variant == "5") then
[
{
name = "i2c0-pi5-overlay";
dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c0-pi5-overlay.dts";
}
{
name = "i2c1-pi5-overlay";
dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c1-pi5-overlay.dts";
}
{
name = "i2c2-pi5-overlay";
dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c2-pi5-overlay.dts";
}
{
name = "i2c3-pi5-overlay";
dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c3-pi5-overlay.dts";
}
]
else
[
{
name = "i2c0-overlay";
dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c0-overlay.dts";
}
{
name = "i2c1-overlay";
dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c1-overlay.dts";
}
{
name = "i2c3-overlay";
dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c3-overlay.dts";
}
{
name = "i2c4-overlay";
dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c4-overlay.dts";
}
{
name = "i2c5-overlay";
dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c5-overlay.dts";
}
{
name = "i2c6-overlay";
dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c6-overlay.dts";
}
]);
};
};
}