linux-kernel - [PATCH 1/4] arm64: dts: renesas: r9a09g057: Add Cortex-A55 PMU node

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Message-ID: <20251007121508.1595889-2-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Tue,  7 Oct 2025 13:15:05 +0100
From: Prabhakar <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: linux-renesas-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Prabhakar <prabhakar.csengg@...il.com>,
	Biju Das <biju.das.jz@...renesas.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH 1/4] arm64: dts: renesas: r9a09g057: Add Cortex-A55 PMU node

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Enable the performance monitor unit for the Cortex-A55 cores on the
RZ/V2H(P) (R9A09G057) SoC.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
 arch/arm64/boot/dts/renesas/r9a09g057.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a09g057.dtsi b/arch/arm64/boot/dts/renesas/r9a09g057.dtsi
index 267fe91b31d9..40b15f1db930 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g057.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g057.dtsi
@@ -135,6 +135,11 @@ opp-19687500 {
 		};
 	};
 
+	pmu {
+		compatible = "arm,cortex-a55-pmu";
+		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>;
+	};
+
 	psci {
 		compatible = "arm,psci-1.0", "arm,psci-0.2";
 		method = "smc";
-- 
2.51.0