raspberry-pi."4": add assertion and update some source comments
Signed-off-by: Florian Brandes <florian.brandes@posteo.de>
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@ -16,8 +16,9 @@ in
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hardware.deviceTree = {
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overlays = [
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# This overlay was originally taken from:
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# https://github.com/raspberrypi/linux/blob/rpi-5.15.y/arch/arm/boot/dts/overlays/rpi-backlight-overlay.dts
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# https://github.com/raspberrypi/linux/blob/rpi-6.1.y/arch/arm/boot/dts/overlays/rpi-backlight-overlay.dts
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# The only modification made was to change the compatible field to bcm2711
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# this is the same as for the 5.15.y kernel
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{
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name = "rpi-backlight-overlay";
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dtsText = ''
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@ -1,4 +1,4 @@
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{ lib, pkgs, ... }:
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{ lib, pkgs, config, ... }:
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{
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imports = [
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@ -34,6 +34,14 @@
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hardware.deviceTree.filter = "bcm2711-rpi-*.dtb";
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assertions = [
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{
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assertion = (lib.versionAtLeast config.boot.kernelPackages.kernel.version "6.1");
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message = "This version of raspberry pi 4 dts overlays requires a newer kernel version (>=6.1). Please upgrade nixpkgs for this system.";
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}
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];
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# Required for the Wireless firmware
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hardware.enableRedistributableFirmware = true;
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}
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@ -31,7 +31,7 @@ in
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hardware.deviceTree = {
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overlays = [
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# Equivalent to:
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# https://github.com/raspberrypi/linux/blob/rpi-5.10.y/arch/arm/boot/dts/overlays/cma-overlay.dts
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# https://github.com/raspberrypi/linux/blob/rpi-6.1.y/arch/arm/boot/dts/overlays/cma-overlay.dts
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{
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name = "rpi4-cma-overlay";
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dtsText = ''
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@ -52,7 +52,7 @@ in
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'';
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}
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# Equivalent to:
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# https://github.com/raspberrypi/linux/blob/rpi-5.10.y/arch/arm/boot/dts/overlays/vc4-fkms-v3d-overlay.dts
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# https://github.com/raspberrypi/linux/blob/rpi-6.1.y/arch/arm/boot/dts/overlays/vc4-fkms-v3d-overlay.dts
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{
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name = "rpi4-vc4-fkms-v3d-overlay";
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dtsText = ''
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