From 48aba08e5e187dba86b50e49375a5082b6d5e2a6 Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Thu, 25 Sep 2025 11:39:48 +0200 Subject: [PATCH] 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 Reviewed-by: Geert Uytterhoeven Link: https://patch.msgid.link/20250925093941.8800-23-wsa+renesas@sang-engineering.com Signed-off-by: Geert Uytterhoeven --- arch/arm64/boot/dts/renesas/ulcb.dtsi | 5 +++++ 1 file changed, 5 insertions(+) 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"; -- 2.47.3