61 lines
2.0 KiB
Nix
61 lines
2.0 KiB
Nix
{ config, lib, pkgs, namespace, ... }:
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let
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cfg = config.${namespace}.hardware.raspberry-pi.i2c;
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variant = config.${namespace}.hardware.raspberry-pi.variant;
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in
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{
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options.${namespace}.hardware.raspberry-pi.i2c = {
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enable = lib.mkEnableOption "enable i2c dt overlays";
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};
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config = lib.mkIf cfg.enable {
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hardware.deviceTree = {
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overlays = (if (variant == "5") then
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[
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{
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name = "i2c0-pi5-overlay";
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dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c0-pi5-overlay.dts";
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}
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{
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name = "i2c1-pi5-overlay";
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dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c1-pi5-overlay.dts";
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}
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{
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name = "i2c2-pi5-overlay";
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dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c2-pi5-overlay.dts";
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}
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{
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name = "i2c3-pi5-overlay";
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dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c3-pi5-overlay.dts";
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}
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]
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else
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[
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{
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name = "i2c0-overlay";
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dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c0-overlay.dts";
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}
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{
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name = "i2c1-overlay";
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dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c1-overlay.dts";
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}
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{
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name = "i2c3-overlay";
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dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c3-overlay.dts";
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}
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{
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name = "i2c4-overlay";
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dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c4-overlay.dts";
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}
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{
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name = "i2c5-overlay";
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dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c5-overlay.dts";
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}
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{
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name = "i2c6-overlay";
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dtsFile = "${pkgs.${namespace}.raspberrypi-overlays}/share/raspberrypi-overlays/i2c6-overlay.dts";
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}
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]);
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};
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};
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} |