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ARM: dts: r8a7794: Add PMU device node

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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 <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Geert Uytterhoeven 2018-05-07 15:57:05 +02:00 committed by Simon Horman
parent cd1ce84a08
commit 123703f0be
1 changed files with 7 additions and 0 deletions
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7
arch/arm/boot/dts/r8a7794.dtsi
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@ -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";