From 8e4b3323d1a6ae7911ae29bd319cd75f1d41b8aa Mon Sep 17 00:00:00 2001
From: Ben Wolsieffer <benwolsieffer@gmail.com>
Date: Fri, 17 Jun 2022 21:29:29 -0400
Subject: [PATCH] nixos/device-tree: use new overlay syntax in example

Since dtc 1.4.7 (released in 2018), there has been a much nicer syntax for
device tree overlays. This commit converts the dtsText example to use this
syntax.
---
 nixos/modules/hardware/device-tree.nix | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/nixos/modules/hardware/device-tree.nix b/nixos/modules/hardware/device-tree.nix
index be67116ad50..682b4bc0d75 100644
--- a/nixos/modules/hardware/device-tree.nix
+++ b/nixos/modules/hardware/device-tree.nix
@@ -36,14 +36,11 @@ let
           /plugin/;
           / {
                   compatible = "raspberrypi";
-                  fragment@0 {
-                          target-path = "/soc";
-                          __overlay__ {
-                                  pps {
-                                          compatible = "pps-gpio";
-                                          status = "okay";
-                                  };
-                          };
+          };
+          &{/soc} {
+                  pps {
+                          compatible = "pps-gpio";
+                          status = "okay";
                   };
           };
         '';