From mboxrd@z Thu Jan 1 00:00:00 1970 From: geert+renesas@glider.be (Geert Uytterhoeven) Date: Mon, 7 May 2018 15:57:02 +0200 Subject: [PATCH 3/8] ARM: dts: r8a7791: 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: <1525701427-12914-4-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-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 --- arch/arm/boot/dts/r8a7791.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi index 58f694eb411b0e3d..6e1dd7ad7bd647e7 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"; -- 2.7.4