[PATCH 2/3] arm64: dts: fvp: Add EL2 Generic watchdog

Pierre Gondois pierre.gondois at arm.com
Mon Sep 14 08:58:52 PDT 2026


Add EL2 Generic watchdog to fvp revc, describing:
- Watchdog control frame
- Refresh frame

Signed-off-by: Pierre Gondois <pierre.gondois at arm.com>
---
 arch/arm64/boot/dts/arm/fvp-base-revc.dts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/arm/fvp-base-revc.dts b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
index 5c4dd1cf0daf..c84796438a83 100644
--- a/arch/arm64/boot/dts/arm/fvp-base-revc.dts
+++ b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
@@ -294,6 +294,13 @@ frame at 2a830000 {
 		};
 	};
 
+	watchdog at 2a440000 {
+		compatible = "arm,sbsa-gwdt";
+		reg = <0x0 0x2a440000 0 0x1000>,	// Watchdog control frame
+		      <0x0 0x2a450000 0 0x1000>;	// Refresh frame
+		interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
 	pmu {
 		compatible = "arm,armv8-pmuv3";
 		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
-- 
2.43.0




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