From: Shawn Guo <shawnguo@kernel.org>
To: "Alice Guo (OSS)" <alice.guo@oss.nxp.com>
Cc: robh+dt@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1] arm64: dts: imx8m: add pmu node
Date: Mon, 8 Mar 2021 08:27:49 +0800 [thread overview]
Message-ID: <20210308002748.GJ543@dragon> (raw)
In-Reply-To: <20210223031445.8577-1-alice.guo@oss.nxp.com>
On Tue, Feb 23, 2021 at 11:14:45AM +0800, Alice Guo (OSS) wrote:
> 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 +++++++
Upstream doesn't have this file.
Shawn
> 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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prev parent reply other threads:[~2021-03-08 0:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-23 3:14 [PATCH v1] arm64: dts: imx8m: add pmu node Alice Guo (OSS)
2021-03-08 0:27 ` Shawn Guo [this message]
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