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authorGeert Uytterhoeven <geert+renesas@glider.be>2018-05-07 15:57:05 +0200
committerSimon Horman <horms+renesas@verge.net.au>2018-05-14 16:40:44 +0200
commit123703f0beebcd432ea204e9ac83150b23646088 (patch)
tree65d0ec0bba491ecaee3e65a4c4b0de017e9245f0 /arch/arm
parentcd1ce84a08e69450ee196edcb7686c78ff5b57c5 (diff)
downloadop-kernel-dev-123703f0beebcd432ea204e9ac83150b23646088.zip
op-kernel-dev-123703f0beebcd432ea204e9ac83150b23646088.tar.gz
ARM: dts: r8a7794: Add PMU device node
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>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/r8a7794.dtsi7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
index 76aadcd..7361969 100644
--- a/arch/arm/boot/dts/r8a7794.dtsi
+++ b/arch/arm/boot/dts/r8a7794.dtsi
@@ -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";
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