From: "Alice Guo (OSS)" <alice.guo@oss.nxp.com>
To: robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v1] arm64: dts: imx8m: add pmu node
Date: Tue, 23 Feb 2021 11:14:45 +0800 [thread overview]
Message-ID: <20210223031445.8577-1-alice.guo@oss.nxp.com> (raw)
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
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next reply other threads:[~2021-02-23 3:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-23 3:14 Alice Guo (OSS) [this message]
2021-03-08 0:27 ` [PATCH v1] arm64: dts: imx8m: add pmu node Shawn Guo
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