From mboxrd@z Thu Jan 1 00:00:00 1970 From: geert+renesas@glider.be (Geert Uytterhoeven) Date: Mon, 7 May 2018 15:57:00 +0200 Subject: [PATCH 1/8] ARM: dts: r7s72100: 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: <1525701427-12914-2-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-A9 CPU core on RZ/A1H by adding a device node for the PMU. New Linux output: hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available Signed-off-by: Geert Uytterhoeven --- arch/arm/boot/dts/r7s72100.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/boot/dts/r7s72100.dtsi b/arch/arm/boot/dts/r7s72100.dtsi index eb2e6f95a2e85862..a54822e97bac42ed 100644 --- a/arch/arm/boot/dts/r7s72100.dtsi +++ b/arch/arm/boot/dts/r7s72100.dtsi @@ -77,6 +77,11 @@ clock-div = <6>; }; + pmu { + compatible = "arm,cortex-a9-pmu"; + interrupts-extended = <&gic GIC_PPI 0 IRQ_TYPE_LEVEL_HIGH>; + }; + rtc_x1_clk: rtc_x1 { #clock-cells = <0>; compatible = "fixed-clock"; -- 2.7.4