From mboxrd@z Thu Jan 1 00:00:00 1970 From: robin.murphy@arm.com (Robin Murphy) Date: Thu, 10 Nov 2016 13:37:30 +0000 Subject: [PATCH] arm64: dts: Add ARM PMU node for exynos7 In-Reply-To: <1478748643-3081-1-git-send-email-alim.akhtar@samsung.com> References: <1478748643-3081-1-git-send-email-alim.akhtar@samsung.com> Message-ID: <4922ada9-2eb2-f0cf-e4b1-a74f4397f97c@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Alim, On 10/11/16 03:30, Alim Akhtar wrote: > This patch adds ARM Performance Monitor Unit dt node for exynos7. > PMU provides various statistics on the operation of the CPU and > memory system at runtime, which are very useful when debugging or > profiling code. This enables the same. > > Signed-off-by: Alim Akhtar > --- > arch/arm64/boot/dts/exynos/exynos7.dtsi | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/arch/arm64/boot/dts/exynos/exynos7.dtsi b/arch/arm64/boot/dts/exynos/exynos7.dtsi > index e0d0d01..53ce4be 100644 > --- a/arch/arm64/boot/dts/exynos/exynos7.dtsi > +++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi > @@ -472,6 +472,14 @@ > status = "disabled"; > }; > > + arm-pmu { > + compatible = "arm,cortex-a57-pmu", "arm,armv8-pmuv3"; > + interrupts = , > + , > + , > + ; Per Documentation/devicetree/bindings/arm/pmu.txt there should also be an "interrupt-affinity" property describing which SPI belongs to which core. Robin. > + }; > + > timer { > compatible = "arm,armv8-timer"; > interrupts =