2021-02-23 04:52:06

by Alice Guo (OSS)

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

From: Alice Guo <[email protected]>

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 <[email protected]>
---
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

2021-02-23 04:56:27

by Alice Guo (OSS)

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

Ignore this patch.

> -----Original Message-----
> From: linux-arm-kernel <[email protected]> On
> Behalf Of Alice Guo (OSS)
> Sent: 2021??2??23?? 11:08
> To: [email protected]; [email protected]; [email protected];
> [email protected]; [email protected]; dl-linux-imx
> <[email protected]>
> Cc: [email protected]; [email protected];
> [email protected]
> Subject: [PATCH v1] LF-3434: arm64: dts: imx8m: add pmu node
>
> From: Alice Guo <[email protected]>
>
> 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 <[email protected]>
> ---
> 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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