129 lines
3 KiB
Nix
129 lines
3 KiB
Nix
{ pkgs, ... }: {
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environment.systemPackages = with pkgs; [
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libraspberrypi
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raspberrypi-eeprom
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];
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fileSystems."/" = {
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device = "/dev/disk/by-label/NIXOS_SD";
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fsType = "ext4";
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options = [ "noatime" ];
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autoResize = true;
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};
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programs.partition-manager.enable = false;
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services.printing.enable = false;
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services.btrfs.autoScrub.enable = false;
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boot = {
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# initrd.availableKernelModules = [ "xhci_pci" "usbhid" "usb_storage" ];
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initrd.availableKernelModules = [ "xhci_pci" ];
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kernelParams = [
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"8250.nr_uarts=1"
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"cma=128M"
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"console=tty1"
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# "console=ttyAMA0,115200"
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];
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loader = {
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raspberryPi = {
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enable = true;
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version = 4;
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};
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systemd-boot.enable = false;
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generic-extlinux-compatible.enable = false;
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};
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kernelPackages = pkgs.linuxPackages_rpi4;
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};
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powerManagement.cpuFreqGovernor = "ondemand";
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hardware = {
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raspberry-pi."4" = {
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apply-overlays-dtmerge.enable = true;
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audio.enable = true;
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fkms-3d.enable = true;
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};
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deviceTree = {
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enable = true;
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filter = "*rpi-4-*.dtb";
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};
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};
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hardware.deviceTree.overlays = [{
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name = "hifiberry-dacplusadc";
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dtsText = ''
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// Definitions for HiFiBerry DAC+
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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-path = "/";
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__overlay__ {
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dacpro_osc: dacpro_osc {
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compatible = "hifiberry,dacpro-clk";
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#clock-cells = <0>;
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};
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};
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};
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frag1: fragment@1 {
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target = <&i2s_clk_consumer>;
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__overlay__ {
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status = "okay";
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};
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};
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fragment@2 {
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target = <&i2c1>;
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__overlay__ {
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#address-cells = <1>;
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#size-cells = <0>;
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status = "okay";
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pcm5122@4d {
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#sound-dai-cells = <0>;
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compatible = "ti,pcm5122";
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reg = <0x4d>;
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clocks = <&dacpro_osc>;
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AVDD-supply = <&vdd_3v3_reg>;
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DVDD-supply = <&vdd_3v3_reg>;
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CPVDD-supply = <&vdd_3v3_reg>;
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status = "okay";
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};
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hpamp: hpamp@60 {
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compatible = "ti,tpa6130a2";
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reg = <0x60>;
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status = "disabled";
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};
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};
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};
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fragment@3 {
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target = <&sound>;
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hifiberry_dacplus: __overlay__ {
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compatible = "hifiberry,hifiberry-dacplus";
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i2s-controller = <&i2s_clk_consumer>;
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status = "okay";
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};
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};
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__overrides__ {
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24db_digital_gain =
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<&hifiberry_dacplus>,"hifiberry,24db_digital_gain?";
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slave = <&hifiberry_dacplus>,"hifiberry-dacplus,slave?",
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<&frag1>,"target:0=",<&i2s_clk_producer>,
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<&hifiberry_dacplus>,"i2s-controller:0=",<&i2s_clk_producer>;
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leds_off = <&hifiberry_dacplus>,"hifiberry-dacplus,leds_off?";
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};
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};
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'';
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}];
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nixpkgs.hostPlatform = "aarch64-linux";
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system.stateVersion = "23.11";
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networking.hostName = "NObangers";
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}
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