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Message-ID: <AM6PR04MB6053F0F98DFB19B0AD77384EE2809@AM6PR04MB6053.eurprd04.prod.outlook.com>
Date: Tue, 23 Feb 2021 03:12:56 +0000
From: "Alice Guo (OSS)" <alice.guo@....nxp.com>
To: "Alice Guo (OSS)" <alice.guo@....nxp.com>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
"shawnguo@...nel.org" <shawnguo@...nel.org>,
"s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
"kernel@...gutronix.de" <kernel@...gutronix.de>,
"festevam@...il.com" <festevam@...il.com>,
dl-linux-imx <linux-imx@....com>
CC: "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH v1] LF-3434: arm64: dts: imx8m: add pmu node
Ignore this patch.
> -----Original Message-----
> From: linux-arm-kernel <linux-arm-kernel-bounces@...ts.infradead.org> On
> Behalf Of Alice Guo (OSS)
> Sent: 2021年2月23日 11:08
> To: robh+dt@...nel.org; shawnguo@...nel.org; s.hauer@...gutronix.de;
> kernel@...gutronix.de; festevam@...il.com; dl-linux-imx
> <linux-imx@....com>
> Cc: devicetree@...r.kernel.org; linux-kernel@...r.kernel.org;
> linux-arm-kernel@...ts.infradead.org
> Subject: [PATCH v1] LF-3434: arm64: dts: imx8m: add pmu node
>
> From: Alice Guo <alice.guo@....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@....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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