[PATCH v1] LF-3434: arm64: dts: imx8m: add pmu node

-----Original Message-----
From: linux-arm-kernel <redacted> On
Behalf Of Alice Guo (OSS)
Sent: 2021年2月23日 11:08
To: robh+dt@kernel.org; shawnguo@kernel.org; s.hauer@pengutronix.de;
kernel@pengutronix.de; festevam@gmail.com; dl-linux-imx
[off-list ref]
Cc: devicetree@vger.kernel.org; linux-kernel@vger.kernel.org;
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v1] LF-3434: arm64: dts: imx8m: add pmu node

From: Alice Guo <redacted>

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 <redacted>
---
 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


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