{
  pkgs,
  lib,
  ...
}:
let
  kernelBundle = pkgs.linuxAndFirmware.latest;
in
{
  boot = {
    loader.raspberry-pi = {
      firmwarePackage = kernelBundle.raspberrypifw;
      variant = "4";
    };
    kernelPackages = kernelBundle.linuxPackages_rpi4;
    supportedFilesystems = lib.mkForce [ ];
  };

  hardware.raspberry-pi.config = {
    all = {
      # [all] conditional filter, https://www.raspberrypi.com/documentation/computers/config_txt.html#conditional-filters

      base-dt-params = {
        i2c_arm = {
          enable = true;
          value = "on";
        };
        i2c = {
          enable = true;
          value = "on";
        };
        spi = {
          enable = true;
          value = "on";
        };
      };

      options = {
        # https://www.raspberrypi.com/documentation/computers/config_txt.html#enable_uart
        # in conjunction with `console=serial0,115200` in kernel command line (`cmdline.txt`)
        # creates a serial console, accessible using GPIOs 14 and 15 (pins
        #  8 and 10 on the 40-pin header)
        enable_uart = {
          enable = true;
          value = true;
        };
        # https://www.raspberrypi.com/documentation/computers/config_txt.html#uart_2ndstage
        # enable debug logging to the UART, also automatically enables
        # UART logging in `start.elf`
        uart_2ndstage = {
          enable = true;
          value = true;
        };
      };

      # Base DTB parameters
      # https://github.com/raspberrypi/linux/blob/a1d3defcca200077e1e382fe049ca613d16efd2b/arch/arm/boot/dts/overlays/README#L132
      base-dt-params = {

      };

    };
  };
}
