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From:   "Alice Guo (OSS)" <alice.guo@oss.nxp.com>
To:     robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de,
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Cc:     devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH v1] arm64: dts: imx8m: add pmu node
Date:   Tue, 23 Feb 2021 11:14:45 +0800
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From: Alice Guo <alice.guo@nxp.com>

Adding pmu node supports to use perf tool to monitor the CPU performance
of the inmate cell when enabling Jailhouse and running dual Linux OS.

Signed-off-by: Alice Guo <alice.guo@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8mm-evk-inmate.dts | 7 +++++++
 arch/arm64/boot/dts/freescale/imx8mn-evk-inmate.dts | 8 ++++++++
 arch/arm64/boot/dts/freescale/imx8mp-evk-inmate.dts | 8 ++++++++
 arch/arm64/boot/dts/freescale/imx8mq-evk-inmate.dts | 7 +++++++
 4 files changed, 30 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk-inmate.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk-inmate.dts
index fe9d96131045..6afccc2c140e 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk-inmate.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk-inmate.dts
@@ -48,6 +48,13 @@
 		};
 	};

+	pmu {
+		compatible = "arm,armv8-pmuv3";
+		interrupts = <GIC_PPI 7
+			     (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_LEVEL_HIGH)>;
+		interrupt-affinity = <&A53_2>, <&A53_3>;
+	};
+
 	psci {
 		compatible = "arm,psci-1.0";
 		method = "smc";
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk-inmate.dts b/arch/arm64/boot/dts/freescale/imx8mn-evk-inmate.dts
index 584c1fa19f56..f2434ad369dc 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-evk-inmate.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-evk-inmate.dts
@@ -48,6 +48,14 @@
 		};
 	};

+	pmu {
+		compatible = "arm,armv8-pmuv3";
+		interrupt-parent = <&gic>;
+		interrupts = <GIC_PPI 7
+			     (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_LEVEL_HIGH)>;
+		interrupt-affinity = <&A53_2>, <&A53_3>;
+	};
+
 	psci {
 		compatible = "arm,psci-1.0";
 		method = "smc";
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk-inmate.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk-inmate.dts
index 277ef70f2903..be538f510340 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk-inmate.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk-inmate.dts
@@ -48,6 +48,14 @@
 		};
 	};

+	pmu {
+		compatible = "arm,armv8-pmuv3";
+		interrupt-parent = <&gic>;
+		interrupts = <GIC_PPI 7
+			     (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_LEVEL_HIGH)>;
+		interrupt-affinity = <&A53_2>, <&A53_3>;
+	};
+
 	psci {
 		compatible = "arm,psci-1.0";
 		method = "smc";
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk-inmate.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk-inmate.dts
index b1db63cdb98c..57e0ab2bf4d3 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-evk-inmate.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-evk-inmate.dts
@@ -48,6 +48,13 @@
 		};
 	};

+	pmu {
+		compatible = "arm,cortex-a53-pmu";
+		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-parent = <&gic>;
+		interrupt-affinity = <&A53_2>, <&A53_3>;
+	};
+
 	psci {
 		compatible = "arm,psci-1.0";
 		method = "smc";
--
2.17.1