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Implement dt overlay for enabling built-in xhci controller

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Andrii Panasiuk 2023-09-12 17:21:37 +03:00 committed by Jörg Thalheim
parent ca41b8a227
commit f8d3c75462
1 changed files with 40 additions and 0 deletions
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40
raspberry-pi/4/xhci.nix Normal file
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@ -0,0 +1,40 @@
{
config,
lib,
...
}: let
cfg = config.hardware.raspberry-pi."4".xhci;
in {
options.hardware = {
raspberry-pi."4".xhci = {
enable = lib.mkEnableOption ''
Enable builtin XHCI controller for USB with otg_mode=1 in config.txt
'';
};
};
config = lib.mkIf cfg.enable {
hardware.deviceTree = {
overlays = [
{
name = "enable-xhci";
dtsText = ''
/dts-v1/;
/plugin/;
/ {
compatible = "brcm,bcm2711";
fragment@0 {
//target-path = "/scb/xhci@7e9c0000";
target = <&xhci>;
__overlay__ {
status = "okay";
};
};
};
'';
}
];
};
};
}