From: Mahesh Rao <mahesh.rao@altera.com>

Add support for Secure Device Manager (SDM) mailbox
doorbell interrupt on Stratix10 SoC FPGA for
supporting asynchronous transactions.

Signed-off-by: Mahesh Rao <mahesh.rao@altera.com>
---
 arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
index effd242f6bf709a53659b4de2a2da728052d086f..9e8b3b07dde3ff57382044f528c34bd52f8df123 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
@@ -1,11 +1,13 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright Altera Corporation (C) 2015. All rights reserved.
+ * Copyright (C) 2025, Altera Corporation
  */
 
 /dts-v1/;
 #include <dt-bindings/reset/altr,rst-mgr-s10.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/stratix10-clock.h>
 
 / {
@@ -74,6 +76,8 @@ svc {
 			compatible = "intel,stratix10-svc";
 			method = "smc";
 			memory-region = <&service_reserved>;
+			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-parent = <&intc>;
 
 			fpga_mgr: fpga-mgr {
 				compatible = "intel,stratix10-soc-fpga-mgr";

-- 
2.35.3