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This commit is contained in:
mjallen18
@@ -4,161 +4,199 @@
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# with modifications
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# https://raw.githubusercontent.com/nvmd/raspberry-pi-nix/refs/heads/master/rpi/config.nix
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{ lib, config, pkgs, namespace, ... }:
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{
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lib,
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config,
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namespace,
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...
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}:
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let
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cfg = config.${namespace}.hardware.raspberry-pi;
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render-raspberrypi-config = let
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render-raspberrypi-config =
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let
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render-kvs = kvs: let
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render-kv = k: v:
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if isNull v.value then k
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else "${k}=${toString v.value}";
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in lib.attrsets.mapAttrsToList render-kv
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(lib.filterAttrs (k: v: v.enable) kvs);
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render-kvs =
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kvs:
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let
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render-kv = k: v: if isNull v.value then k else "${k}=${toString v.value}";
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in
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lib.attrsets.mapAttrsToList render-kv (lib.filterAttrs (_k: v: v.enable) kvs);
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render-dt-param = x: "dtparam=" + x;
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render-dt-params = params:
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lib.strings.concatMapStringsSep "\n" render-dt-param (render-kvs params);
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render-dt-param = x: "dtparam=" + x;
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render-dt-params = params: lib.strings.concatMapStringsSep "\n" render-dt-param (render-kvs params);
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render-dt-overlay = { overlay, params }:
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lib.concatStringsSep "\n" (lib.filter (x: x != "") [
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("dtoverlay=" + overlay)
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(render-dt-params params)
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"dtoverlay="
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]);
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render-dt-overlay =
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{ overlay, params }:
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lib.concatStringsSep "\n" (
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lib.filter (x: x != "") [
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("dtoverlay=" + overlay)
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(render-dt-params params)
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"dtoverlay="
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]
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);
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render-options = opts:
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lib.strings.concatStringsSep "\n" (render-kvs opts);
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render-options = opts: lib.strings.concatStringsSep "\n" (render-kvs opts);
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render-base-dt-params = render-dt-params;
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render-base-dt-params = render-dt-params;
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render-dt-overlays = overlays:
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lib.strings.concatMapStringsSep "\n" render-dt-overlay
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(lib.attrsets.mapAttrsToList
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(overlay: params: {
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render-dt-overlays =
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overlays:
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lib.strings.concatMapStringsSep "\n" render-dt-overlay (
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lib.attrsets.mapAttrsToList (overlay: params: {
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inherit overlay;
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inherit (params) params;
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})
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(lib.filterAttrs (k: v: v.enable) overlays));
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}) (lib.filterAttrs (_k: v: v.enable) overlays)
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);
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render-config-section = conditionalFilter:
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{ options, base-dt-params, dt-overlays }:
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let all-config = lib.concatStringsSep "\n" (lib.filter (x: x != "") [
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(render-options options)
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(render-base-dt-params base-dt-params)
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(render-dt-overlays dt-overlays)
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]);
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in ''
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[${conditionalFilter}]
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${all-config}
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'';
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in conf: lib.strings.concatStringsSep "\n"
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((lib.attrsets.mapAttrsToList render-config-section conf)
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++ [ cfg.extra-config ]);
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in {
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render-config-section =
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conditionalFilter:
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{
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options,
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base-dt-params,
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dt-overlays,
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}:
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let
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all-config = lib.concatStringsSep "\n" (
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lib.filter (x: x != "") [
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(render-options options)
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(render-base-dt-params base-dt-params)
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(render-dt-overlays dt-overlays)
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]
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);
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in
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''
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[${conditionalFilter}]
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${all-config}
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'';
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in
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conf:
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lib.strings.concatStringsSep "\n" (
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(lib.attrsets.mapAttrsToList render-config-section conf) ++ [ cfg.extra-config ]
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);
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in
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{
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options.${namespace}.hardware.raspberry-pi = {
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config = let
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rpi-config-param = {
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options = {
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enable = lib.mkEnableOption "attr";
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value = lib.mkOption {
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type = with lib.types; oneOf [ int str bool ];
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};
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};
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};
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dt-param = {
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options = {
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enable = lib.mkEnableOption "attr";
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value = lib.mkOption {
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type = with lib.types; nullOr (oneOf [ int str bool ]);
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default = null;
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};
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};
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};
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dt-overlay = {
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options = {
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enable = lib.mkEnableOption "overlay";
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params = lib.mkOption {
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type = with lib.types; attrsOf (submodule dt-param);
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default = {};
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};
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};
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};
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raspberry-pi-config-options = {
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options = {
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options = lib.mkOption {
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type = with lib.types; attrsOf (submodule rpi-config-param);
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default = { };
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description = ''
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Common hardware configuration options, translates to
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`<option>=<value>` in the `config.txt`.
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<https://www.raspberrypi.com/documentation/computers/config_txt.html#common-hardware-configuration-options>
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'';
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example = {
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arm_boost = { # arm_boost=1
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enable = true;
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value = true;
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};
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config =
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let
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rpi-config-param = {
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options = {
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enable = lib.mkEnableOption "attr";
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value = lib.mkOption {
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type =
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with lib.types;
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oneOf [
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int
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str
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bool
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];
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};
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};
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base-dt-params = lib.mkOption {
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type = with lib.types; attrsOf (submodule dt-param);
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default = { };
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description = ''
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Parameters to pass to the base DTB, translates to
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`dtparam=<param>=<value>` in the `config.txt`.
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<https://www.raspberrypi.com/documentation/computers/configuration.html#part3.2>
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'';
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example = {
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i2c = { # dtparam=i2c=on
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enable = true;
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value = "on";
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};
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ant2 = { # dtparam=ant2
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enable = true;
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};
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};
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dt-param = {
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options = {
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enable = lib.mkEnableOption "attr";
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value = lib.mkOption {
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type =
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with lib.types;
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nullOr (oneOf [
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int
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str
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bool
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]);
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default = null;
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};
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};
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dt-overlays = lib.mkOption {
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type = with lib.types; attrsOf (submodule dt-overlay);
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default = { };
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description = ''
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DTB overlays to enable and configure with parameters, translates to
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```
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dtoverlay=<overlay>
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dtparam=<param>=<value>
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dtoverlay=
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```, which is an equivalent to a more popular format of
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`dtoverlay=<overlay>,<param>=<value>`.
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<https://www.raspberrypi.com/documentation/computers/configuration.html#part3.1>
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'';
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example = {
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vc4-kms-v3d = { # dtoverlay=vc4-kms-v3d,cma-256
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enable = true;
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params = {
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cma-256 = {
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enable = true;
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# value = "";
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};
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};
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dt-overlay = {
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options = {
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enable = lib.mkEnableOption "overlay";
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params = lib.mkOption {
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type = with lib.types; attrsOf (submodule dt-param);
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default = { };
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};
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};
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};
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raspberry-pi-config-options = {
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options = {
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options = lib.mkOption {
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type = with lib.types; attrsOf (submodule rpi-config-param);
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default = { };
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description = ''
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Common hardware configuration options, translates to
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`<option>=<value>` in the `config.txt`.
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<https://www.raspberrypi.com/documentation/computers/config_txt.html#common-hardware-configuration-options>
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'';
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example = {
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arm_boost = {
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# arm_boost=1
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enable = true;
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value = true;
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};
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};
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disable-bt = { # dtoverlay=disable-bt
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enable = true;
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};
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base-dt-params = lib.mkOption {
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type = with lib.types; attrsOf (submodule dt-param);
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default = { };
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description = ''
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Parameters to pass to the base DTB, translates to
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`dtparam=<param>=<value>` in the `config.txt`.
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<https://www.raspberrypi.com/documentation/computers/configuration.html#part3.2>
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'';
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example = {
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i2c = {
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# dtparam=i2c=on
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enable = true;
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value = "on";
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};
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ant2 = {
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# dtparam=ant2
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enable = true;
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};
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};
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};
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dt-overlays = lib.mkOption {
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type = with lib.types; attrsOf (submodule dt-overlay);
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default = { };
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description = ''
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DTB overlays to enable and configure with parameters, translates to
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```
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dtoverlay=<overlay>
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dtparam=<param>=<value>
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dtoverlay=
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```, which is an equivalent to a more popular format of
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`dtoverlay=<overlay>,<param>=<value>`.
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<https://www.raspberrypi.com/documentation/computers/configuration.html#part3.1>
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'';
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example = {
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vc4-kms-v3d = {
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# dtoverlay=vc4-kms-v3d,cma-256
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enable = true;
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params = {
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cma-256 = {
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enable = true;
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# value = "";
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};
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};
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};
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disable-bt = {
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# dtoverlay=disable-bt
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enable = true;
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};
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};
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};
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};
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};
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in
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lib.mkOption {
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type = with lib.types; attrsOf (submodule raspberry-pi-config-options);
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description = ''
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Configures `config.txt` file for Raspberry Pi devices.
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The file is located on a firmware partition, usually mounted at
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`/boot/firmware`.
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<https://www.raspberrypi.com/documentation/computers/config_txt.html>
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'';
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};
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in lib.mkOption {
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type = with lib.types; attrsOf (submodule raspberry-pi-config-options);
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description = ''
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Configures `config.txt` file for Raspberry Pi devices.
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The file is located on a firmware partition, usually mounted at
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`/boot/firmware`.
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<https://www.raspberrypi.com/documentation/computers/config_txt.html>
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'';
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};
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extra-config = lib.mkOption {
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type = lib.types.lines;
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@@ -181,4 +219,4 @@ in {
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config = {
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${namespace}.hardware.raspberry-pi.config-generated = render-raspberrypi-config cfg.config;
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};
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}
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}
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