arm64: dts: renesas: eagle/v3msk: Mark SWDT as reserved

This watchdog can't be used with Linux because the firmware needs it on
V3M 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/20250925093941.8800-26-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
index 8b594e9e9dc10b4421c8e0e5d4063d427974dea2..b7328f9f7d4ba8de30b1624468f4dcabf5bd443e 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
@@ -417,3 +417,8 @@
 &scif_clk {
        clock-frequency = <14745600>;
 };
+
+/* Firmware should reserve it but sadly doesn't */
+&swdt {
+       status = "reserved";
+};

diff --git a/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts b/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
index 6319a66fac9536057dc65c141dd0540888f04a7f..3de327d642cd2de914c72279d09e78956c132c5d 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
@@ -299,3 +299,8 @@
 
        status = "okay";
 };
+
+/* Firmware should reserve it but sadly doesn't */
+&swdt {
+       status = "reserved";
+};