Commit 57012813 authored May 07, 2018 by Geert Uytterhoeven

ARM: dts: r8a77470: Add PMU device node



Enable support for the ARM Performance Monitor Units in the Cortex-A7
CPU cores on RZ/G1C 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 <geert+renesas@glider.be>
Tested-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>

parent a03fa77d

arch/arm/boot/dts/r8a77470.dtsi

+7 −0

Original line number	Diff line number	Diff line
		@@ -63,6 +63,13 @@
		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";