From 71d13a919ff26a37256e82fa4d2fe80b8be78d65 Mon Sep 17 00:00:00 2001
From: Brieuc Dubois <git@bhasher.com>
Date: Mon, 10 Jun 2024 15:40:56 +0200
Subject: [PATCH] rpi4: bluetooth fix
---
raspberry-pi/4/bluetooth.nix | 44 ++++++++++++++++++++++++++++++++++++
raspberry-pi/4/default.nix | 1 +
2 files changed, 45 insertions(+)
create mode 100644 raspberry-pi/4/bluetooth.nix
diff --git a/raspberry-pi/4/bluetooth.nix b/raspberry-pi/4/bluetooth.nix
new file mode 100644
index 000000000..78619bcd2
--- /dev/null
+++ b/raspberry-pi/4/bluetooth.nix
@@ -0,0 +1,44 @@
+{ config, lib, ... }:
+
+let
+ cfg = config.hardware.raspberry-pi."4".bluetooth;
+in
+{
+ options.hardware = {
+ raspberry-pi."4".bluetooth = {
+ enable = lib.mkEnableOption ''
+ configuration for bluetooth
+ '';
+ };
+ };
+
+ config = lib.mkIf cfg.enable {
+ hardware.raspberry-pi."4".apply-overlays-dtmerge.enable = lib.mkDefault true;
+ # doesn't work for the CM module, so we exclude e.g. bcm2711-rpi-cm4.dts
+ hardware.deviceTree.filter = "bcm2711-rpi-4*.dtb";
+
+ hardware.deviceTree = {
+ overlays = [
+ {
+ name = "bluetooth-overlay";
+ dtsText = ''
+ /dts-v1/;
+ /plugin/;
+
+ / {
+ compatible = "brcm,bcm2711";
+
+ fragment@0 {
+ target = <&uart0_pins>;
+ __overlay__ {
+ brcm,pins = <30 31 32 33>;
+ brcm,pull = <2 0 0 2>;
+ };
+ };
+ };
+ '';
+ }
+ ];
+ };
+ };
+}
diff --git a/raspberry-pi/4/default.nix b/raspberry-pi/4/default.nix
index 41d065afb..a2739d79b 100644
--- a/raspberry-pi/4/default.nix
+++ b/raspberry-pi/4/default.nix
@@ -4,6 +4,7 @@
imports = [
./audio.nix
./backlight.nix
+ ./bluetooth.nix
./cpu-revision.nix
./digi-amp-plus.nix
./dwc2.nix