arm64: dts: renesas: draak: Mark SWDT as reserved

This watchdog can't be used with Linux because the firmware needs it on
Draak boards. Sadly, it doesn't mark the node as reserved, so this is
added manually here.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20250925093941.8800-24-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/draak.dtsi b/arch/arm64/boot/dts/renesas/draak.dtsi
index 71d9f277c966ffdf2824ecb26aff1ca8cff04b07..733a55f77cfb04c6fe17c3399a4323e775de8f37 100644 (file)
--- a/arch/arm64/boot/dts/renesas/draak.dtsi
+++ b/arch/arm64/boot/dts/renesas/draak.dtsi
@@ -722,6 +722,11 @@
        shared-pin;
 };
 
+/* Firmware should reserve it but sadly doesn't */
+&swdt {
+       status = "reserved";
+};
+
 &usb2_phy0 {
        pinctrl-0 = <&usb0_pins>;
        pinctrl-names = "default";