34 lines
812 B
Nix
34 lines
812 B
Nix
{
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config,
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lib,
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pkgs,
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namespace,
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...
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}:
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let
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cfg = config.${namespace}.hardware.raspberry-pi.pwm;
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variant = config.${namespace}.hardware.raspberry-pi.variant;
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in
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{
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options.${namespace}.hardware.raspberry-pi.pwm = {
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enable = lib.mkEnableOption "enable pwm dt overlay";
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};
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config = lib.mkIf cfg.enable {
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hardware.deviceTree = {
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overlays = [
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{
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name = "enable-pwm";
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filter = (if (variant == "5") then "*pi5*" else "*rpi-4-b*");
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dtsFile = (
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if (variant == "5") then
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"${pkgs.${namespace}.raspberrypi-overlays}/dtbs/raspberrypi-overlays/pwm-pio-overlay.dts"
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else
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"${pkgs.${namespace}.raspberrypi-overlays}/dtbs/raspberrypi-overlays/pwm1-overlay.dts"
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);
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}
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];
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};
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};
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}
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