From 49c50cbe0701451328d34355a2de2638304d7737 Mon Sep 17 00:00:00 2001
From: Peter McGoron <code@mcgoron.com>
Date: Tue, 12 Jul 2022 15:22:14 -0400
Subject: [PATCH] add devicetree generation

---
 firmware/Makefile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/firmware/Makefile b/firmware/Makefile
index f912515..d1e1f7c 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -1,7 +1,10 @@
 .PHONY: cpu clean
+
+DEVICETREE_GEN_DIR=.
 cpu: soc.py
 	python3 soc.py
 clean:
 	rm -rf build csr.json overlay.config overlay.dts
-overlay.dts overlay.config: csr.json
+overlay.dts overlay.config: csr.json litex_json2dts_zephyr.py
 	# NOTE: Broken in LiteX 2022.4.
+	$(DEVICETREE_GEN_DIR)/litex_json2dts_zephyr.py --dts overlay.dts --config overlay.config csr.json