From 8607428c96b94e9f53f46b6e5aa3b9dbd604ad07 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 7 May 2018 15:57:02 +0200 Subject: ARM: dts: r8a7791: Add PMU device node Enable support for the ARM Performance Monitor Units in the Cortex-A15 CPU cores on R-Car M2-W by adding a device node for the PMU. New Linux output: hw perfevents: enabled with armv7_cortex_a15 PMU driver, 7 counters available Signed-off-by: Geert Uytterhoeven Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7791.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'arch/arm/boot/dts/r8a7791.dtsi') diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi index 570ca12422c5..828ad78c3337 100644 --- a/arch/arm/boot/dts/r8a7791.dtsi +++ b/arch/arm/boot/dts/r8a7791.dtsi @@ -126,6 +126,13 @@ clock-frequency = <0>; }; + pmu { + compatible = "arm,cortex-a15-pmu"; + interrupts-extended = <&gic GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>, + <&gic GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>; + interrupt-affinity = <&cpu0>, <&cpu1>; + }; + /* External SCIF clock */ scif_clk: scif { compatible = "fixed-clock"; -- cgit v1.2.3