From b157c28ce97bbabfdddde35f67e3181053ed3ffd Mon Sep 17 00:00:00 2001
From: Andrew Turner <andrew@FreeBSD.org>
Date: Mon, 20 Oct 2025 19:49:24 +0100
Subject: [PATCH] modules/dtb: Add the ARM dtb module

fvp-base-revc.dtb works with the kernel now interrupt-maps are
supported in more cases.

Reviewed by:	mhorne
Sponsored by:	Arm Ltd
Differential Revision:	https://reviews.freebsd.org/D51258
---
 sys/arm64/conf/std.arm       | 3 +++
 sys/modules/dtb/arm/Makefile | 6 ++++++
 2 files changed, 9 insertions(+)
 create mode 100644 sys/modules/dtb/arm/Makefile

diff --git a/sys/arm64/conf/std.arm b/sys/arm64/conf/std.arm
index fb556150653..309059a096e 100644
--- a/sys/arm64/conf/std.arm
+++ b/sys/arm64/conf/std.arm
@@ -21,3 +21,6 @@ device		arm_doorbell		# ARM Message Handling Unit (MHU)
 
 options 	FDT
 device		acpi
+
+# DTBs
+makeoptions	MODULES_EXTRA+="dtb/arm"
diff --git a/sys/modules/dtb/arm/Makefile b/sys/modules/dtb/arm/Makefile
new file mode 100644
index 00000000000..34136c78c03
--- /dev/null
+++ b/sys/modules/dtb/arm/Makefile
@@ -0,0 +1,6 @@
+# All the dts files for Arm systems we support.
+
+DTS=	\
+	arm/fvp-base-revc.dts
+
+.include <bsd.dtb.mk>