From 659389d7914786775d0f638d12d4165de71a42fa Mon Sep 17 00:00:00 2001
From: Yuanjie Yang <yuanjie.yang@oss.qualcomm.com>
Date: Thu, 8 Jan 2026 17:25:42 +0800
Subject: [PATCH] BACKPORT: arm64: dts: qcom: talos: Add PMU support

Add the PMU node for talos platforms.

Signed-off-by: Yuanjie Yang <yuanjie.yang@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260108092542.1371-3-yuanjie.yang@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
 arch/arm64/boot/dts/qcom/talos.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/talos.dtsi b/arch/arm64/boot/dts/qcom/talos.dtsi
index 308e8e5ffb79..094482e77dd0 100644
--- a/arch/arm64/boot/dts/qcom/talos.dtsi
+++ b/arch/arm64/boot/dts/qcom/talos.dtsi
@@ -557,6 +557,16 @@
 		};
 	};
 
+	pmu-a55 {
+		compatible = "arm,cortex-a55-pmu";
+		interrupts = <GIC_PPI 5 IRQ_TYPE_LEVEL_HIGH &ppi_cluster0>;
+	};
+
+	pmu-a76 {
+		compatible = "arm,cortex-a76-pmu";
+		interrupts = <GIC_PPI 5 IRQ_TYPE_LEVEL_HIGH &ppi_cluster1>;
+	};
+
 	psci: psci {
 		compatible = "arm,psci-1.0";
 		method = "smc";
@@ -4676,6 +4686,16 @@
 			interrupt-controller;
 			#redistributor-regions = <1>;
 			redistributor-stride = <0x0 0x20000>;
+
+			ppi-partitions {
+				ppi_cluster0: interrupt-partition-0 {
+					affinity = <&cpu0 &cpu1 &cpu2 &cpu3 &cpu4 &cpu5>;
+				};
+
+				ppi_cluster1: interrupt-partition-1 {
+					affinity = <&cpu6 &cpu7>;
+				};
+			};
 		};
 
 		apss_shared: mailbox@17c00000 {