From mboxrd@z Thu Jan 1 00:00:00 1970 From: geert+renesas@glider.be (Geert Uytterhoeven) Date: Mon, 7 May 2018 15:57:05 +0200 Subject: [PATCH 6/8] ARM: dts: r8a7794: Add PMU device node In-Reply-To: <1525701427-12914-1-git-send-email-geert+renesas@glider.be> References: <1525701427-12914-1-git-send-email-geert+renesas@glider.be> Message-ID: <1525701427-12914-7-git-send-email-geert+renesas@glider.be> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Enable support for the ARM Performance Monitor Units in the Cortex-A7 CPU cores on R-Car E2 by adding a device node for the PMU. New Linux output: hw perfevents: enabled with armv7_cortex_a7 PMU driver, 5 counters available Signed-off-by: Geert Uytterhoeven --- arch/arm/boot/dts/r8a7794.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi index 76aadcdf9d37b39c..736196903d22f0e0 100644 --- a/arch/arm/boot/dts/r8a7794.dtsi +++ b/arch/arm/boot/dts/r8a7794.dtsi @@ -103,6 +103,13 @@ clock-frequency = <0>; }; + pmu { + compatible = "arm,cortex-a7-pmu"; + interrupts-extended = <&gic GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>, + <&gic GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>; + interrupt-affinity = <&cpu0>, <&cpu1>; + }; + /* External SCIF clock */ scif_clk: scif { compatible = "fixed-clock"; -- 2.7.4