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

[Alice Guo (OSS)]

Ignore this patch.

> -----Original Message-----
> From: linux-arm-kernel <linux-arm-kernel-bounces@xxxxxxxxxxxxxxxxxxx> On
> Behalf Of Alice Guo (OSS)
> Sent: 2021年2月23日 11:08
> To: robh+dt@xxxxxxxxxx; shawnguo@xxxxxxxxxx; s.hauer@xxxxxxxxxxxxxx;
> kernel@xxxxxxxxxxxxxx; festevam@xxxxxxxxx; dl-linux-imx
> <linux-imx@xxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Subject: [PATCH v1] LF-3434: arm64: dts: imx8m: add pmu node
> 
> From: Alice Guo <alice.guo@xxxxxxx>
> 
> 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@xxxxxxx>
> ---
>  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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