linux-kernel - [PATCH] arm64: dts: socfpga: agilex: Add VGIC maintenance interrupt

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Message-Id: <20241209023611.1216499-1-niravkumar.l.rabara@intel.com>
Date: Mon,  9 Dec 2024 10:36:11 +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,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: socfpga: agilex: 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_agilex.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
index 2a5eeb21da47..1235ba5a9865 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
@@ -101,10 +101,13 @@ intc: interrupt-controller@...c1000 {
 		compatible = "arm,gic-400", "arm,cortex-a15-gic";
 		#interrupt-cells = <3>;
 		interrupt-controller;
+		interrupt-parent = <&intc>;
 		reg = <0x0 0xfffc1000 0x0 0x1000>,
 		      <0x0 0xfffc2000 0x0 0x2000>,
 		      <0x0 0xfffc4000 0x0 0x2000>,
 		      <0x0 0xfffc6000 0x0 0x2000>;
+		/* VGIC maintenance interrupt */
+		interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
 	};
 
 	clocks {
-- 
2.25.1