linux-kernel - [PATCH 5/7] dts: agilex: Add support for SDM mailbox interrupt for Intel Agilex SoC FPGA.

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Message-Id: <20250422-sip_svc_upstream-v1-5-088059190f31@altera.com>
Date: Tue, 22 Apr 2025 12:07:12 +0800
From: Mahesh Rao via B4 Relay <devnull+mahesh.rao.altera.com@...nel.org>
To: Dinh Nguyen <dinguyen@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Mahesh Rao <mahesh.rao@...era.com>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 Matthew Gerlach <matthew.gerlach@...era.com>
Subject: [PATCH 5/7] 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 1235ba5a9865a175001fd3ef2bad710842f93be4..bd8c386a2ee31b85d6ee9be2dff6176565a85077 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