From mboxrd@z Thu Jan 1 00:00:00 1970 From: alim.akhtar@samsung.com (Alim Akhtar) Date: Sat, 12 Nov 2016 15:47:12 +0530 Subject: [PATCH v2 2/2] arm64: dts: Add ARM PMU node for exynos7 In-Reply-To: <1478945832-1826-1-git-send-email-alim.akhtar@samsung.com> References: <1478945832-1826-1-git-send-email-alim.akhtar@samsung.com> Message-ID: <1478945832-1826-2-git-send-email-alim.akhtar@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 | 10 ++++++++++ 1 file changed, 10 insertions(+) Changes since v1: * Added "interrupt-affinity" property as per Robin Murphy review comment. diff --git a/arch/arm64/boot/dts/exynos/exynos7.dtsi b/arch/arm64/boot/dts/exynos/exynos7.dtsi index 396ffb9..09e7a05b 100644 --- a/arch/arm64/boot/dts/exynos/exynos7.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi @@ -472,6 +472,16 @@ status = "disabled"; }; + arm-pmu { + compatible = "arm,cortex-a57-pmu", "arm,armv8-pmuv3"; + interrupts = , + , + , + ; + interrupt-affinity = <&cpu_atlas0>, <&cpu_atlas1>, + <&cpu_atlas2>, <&cpu_atlas3>; + }; + timer { compatible = "arm,armv8-timer"; interrupts =