linux-kernel - [PATCH] arm64: dts: socfpga: agilex5: add VGIC maintenance interrupt

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Message-Id: <20250217055511.3473717-1-niravkumar.l.rabara@intel.com>
Date: Mon, 17 Feb 2025 13:55:11 +0800
From: niravkumar.l.rabara@...el.com
To: Dinh Nguyen <dinguyen@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	niravkumar.l.rabara@...el.com,
	nirav.rabara@...era.com,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: socfpga: agilex5: add VGIC maintenance interrupt

From: Niravkumar L Rabara <niravkumar.l.rabara@...el.com>

Add VGIC maintenance interrupt and interrupt-parent property for
interrupt controller, required to run Linux in virtualized environment.

Signed-off-by: Niravkumar L Rabara <niravkumar.l.rabara@...el.com>
---
 arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
index 51c6e19e40b8..75397e84bd2c 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
@@ -75,8 +75,11 @@ intc: interrupt-controller@...00000 {
 		#address-cells = <2>;
 		#size-cells = <2>;
 		interrupt-controller;
+		interrupt-parent = <&intc>;
 		#redistributor-regions = <1>;
 		redistributor-stride = <0x0 0x20000>;
+		/* VGIC maintenance interrupt */
+		interrupts = <GIC_PPI 25 IRQ_TYPE_LEVEL_HIGH>;
 
 		its: msi-controller@...40000 {
 			compatible = "arm,gic-v3-its";
-- 
2.25.1