From: Wolfram Sang <wsa+renesas@sang-engineering.com>
Date: Thu, 25 Sep 2025 09:39:48 +0000 (+0200)
Subject: arm64: dts: renesas: ulcb: Mark SWDT as reserved
X-Git-Tag: v6.19-rc1~100^2~32^2~35
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=48aba08e5e187dba86b50e49375a5082b6d5e2a6;p=thirdparty%2Fkernel%2Flinux.git

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

This watchdog can't be used with Linux because the firmware needs it on
ULCB 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/20250925093941.8800-23-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---

diff --git a/arch/arm64/boot/dts/renesas/ulcb.dtsi b/arch/arm64/boot/dts/renesas/ulcb.dtsi
index 8a30908992ab0..a9e53b36f1d9c 100644
--- a/arch/arm64/boot/dts/renesas/ulcb.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb.dtsi
@@ -495,6 +495,11 @@
 	shared-pin;
 };
 
+/* Firmware should reserve it but sadly doesn't */
+&swdt {
+	status = "reserved";
+};
+
 &usb2_phy1 {
 	pinctrl-0 = <&usb1_pins>;
 	pinctrl-names = "default";