45 lines
1 KiB
Nix
45 lines
1 KiB
Nix
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{ config, lib, ... }:
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let
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cfg = config.hardware.raspberry-pi."4".bluetooth;
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in
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{
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options.hardware = {
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raspberry-pi."4".bluetooth = {
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enable = lib.mkEnableOption ''
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configuration for bluetooth
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'';
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};
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};
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config = lib.mkIf cfg.enable {
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hardware.raspberry-pi."4".apply-overlays-dtmerge.enable = lib.mkDefault true;
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# doesn't work for the CM module, so we exclude e.g. bcm2711-rpi-cm4.dts
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hardware.deviceTree.filter = "bcm2711-rpi-4*.dtb";
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hardware.deviceTree = {
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overlays = [
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{
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name = "bluetooth-overlay";
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dtsText = ''
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/dts-v1/;
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/plugin/;
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/ {
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compatible = "brcm,bcm2711";
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fragment@0 {
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target = <&uart0_pins>;
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__overlay__ {
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brcm,pins = <30 31 32 33>;
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brcm,pull = <2 0 0 2>;
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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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};
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};
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}
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