linux-kernel - [PATCH 3/4] dts: agilex: Add support for SDM mailbox interrupt for Intel Agilex SoC FPGA.

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Message-Id: <20250722-sip_svc_irq-v1-3-c5b9e02c1ce6@altera.com>
Date: Tue, 22 Jul 2025 23:07:53 +0800
From: Mahesh Rao via B4 Relay <devnull+mahesh.rao.altera.com@...nel.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Dinh Nguyen <dinguyen@...nel.org>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Mahesh Rao <mahesh.rao@...era.com>, 
 Matthew Gerlach <matthew.gerlach@...era.com>
Subject: [PATCH 3/4] dts: agilex: Add support for SDM mailbox interrupt for
 Intel Agilex SoC FPGA.

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

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

Signed-off-by: Mahesh Rao <mahesh.rao@...era.com>
Reviewed-by: Matthew Gerlach <matthew.gerlach@...era.com>
---
 arch/arm64/boot/dts/intel/socfpga_agilex.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
index a77a504effeab6b487ea0ef4c733f3ed80cad5be..436de1bb18d7a561c169595ad50d54d8120fdd35 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
@@ -65,6 +65,8 @@ svc {
 			compatible = "intel,agilex-svc";
 			method = "smc";
 			memory-region = <&service_reserved>;
+			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-parent = <&intc>;

 			fpga_mgr: fpga-mgr {
 				compatible = "intel,agilex-soc-fpga-mgr";

-- 
2.35.3