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ARM: dts: r8a77470: Add PMU device node

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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>
This commit is contained in:
Geert Uytterhoeven 2018-05-07 11:16:48 +02:00
parent a03fa77d85
commit 57012813f1
1 changed files with 7 additions and 0 deletions
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7
arch/arm/boot/dts/r8a77470.dtsi
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@ -63,6 +63,13 @@ extal_clk: extal {
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";