linux-kernel - Re: [PATCH v2] ARM: tegra124: pmu support

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Message-ID: <557F6384.5030207@nvidia.com>
Date:	Tue, 16 Jun 2015 00:45:08 +0100
From:	Jon Hunter <jonathanh@...dia.com>
To:	Kyle Huey <me@...ehuey.com>, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	"Russell King" <linux@....linux.org.uk>,
	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Alexandre Courbot <gnurou@...il.com>,
	<devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:	Kyle Huey <khuey@...ehuey.com>
Subject: Re: [PATCH v2] ARM: tegra124: pmu support


On 15/06/15 19:46, Kyle Huey wrote:
> This patch modifies the device tree for tegra124 based devices to enable the Cortex A15 PMU.  The interrupt numbers are taken from NVIDIA TRM DP-06905-001_v03p.  This patch was tested on a Jetson TK1.
> 
> Signed-off-by: Kyle Huey <khuey@...ehuey.com>
> ---
>  arch/arm/boot/dts/tegra124.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
> index 4be06c6..d966d4e 100644
> --- a/arch/arm/boot/dts/tegra124.dtsi
> +++ b/arch/arm/boot/dts/tegra124.dtsi
> @@ -906,16 +906,24 @@
>  
>  		cpu@3 {
>  			device_type = "cpu";
>  			compatible = "arm,cortex-a15";
>  			reg = <3>;
>  		};
>  	};
>  
> +	pmu {
> +		compatible = "arm,cortex-a15-pmu";
> +		interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
> +	};
> +
>  	thermal-zones {
>  		cpu {
>  			polling-delay-passive = <1000>;
>  			polling-delay = <1000>;
>  
>  			thermal-sensors =
>  				<&soctherm TEGRA124_SOCTHERM_SENSOR_CPU>;
>  		};
> 

Acked-by: Jon Hunter <jonathanh@...dia.com>

Jon
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