From eb708b0ff972bfe0e51c38fad6d517fae605ffa8 Mon Sep 17 00:00:00 2001 From: Alim Akhtar Date: Sat, 12 Nov 2016 15:47:12 +0530 Subject: arm64: dts: Add ARM PMU node for exynos7 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 Reviewed-by: Javier Martinez Canillas [krzk: Squashed with "Add level for cpu dt node for exynos7"] Signed-off-by: Krzysztof Kozlowski --- arch/arm64/boot/dts/exynos/exynos7.dtsi | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) (limited to 'arch/arm64/boot') diff --git a/arch/arm64/boot/dts/exynos/exynos7.dtsi b/arch/arm64/boot/dts/exynos/exynos7.dtsi index 6328a66ed97e..d46ac94900f3 100644 --- a/arch/arm64/boot/dts/exynos/exynos7.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi @@ -35,28 +35,28 @@ #address-cells = <1>; #size-cells = <0>; - cpu@0 { + cpu_atlas0: cpu@0 { device_type = "cpu"; compatible = "arm,cortex-a57", "arm,armv8"; reg = <0x0>; enable-method = "psci"; }; - cpu@1 { + cpu_atlas1: cpu@1 { device_type = "cpu"; compatible = "arm,cortex-a57", "arm,armv8"; reg = <0x1>; enable-method = "psci"; }; - cpu@2 { + cpu_atlas2: cpu@2 { device_type = "cpu"; compatible = "arm,cortex-a57", "arm,armv8"; reg = <0x2>; enable-method = "psci"; }; - cpu@3 { + cpu_atlas3: cpu@3 { device_type = "cpu"; compatible = "arm,cortex-a57", "arm,armv8"; reg = <0x3>; @@ -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 =