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authorGeert Uytterhoeven <geert+renesas@glider.be>2018-05-07 15:57:07 +0200
committerSimon Horman <horms+renesas@verge.net.au>2018-05-14 16:40:45 +0200
commit9562a6b1d0f6a287f5dda16a4538526c59408927 (patch)
tree81880f853a4d411c203f7d74fbf4f595a0f9080a /arch/arm
parentfe60e933b053f00e53cd01fe323f25ebe8fecd52 (diff)
downloadop-kernel-dev-9562a6b1d0f6a287f5dda16a4538526c59408927.zip
op-kernel-dev-9562a6b1d0f6a287f5dda16a4538526c59408927.tar.gz
ARM: dts: r8a7745: Add PMU device node
Enable support for the ARM Performance Monitor Units in the Cortex-A7 CPU cores on RZ/G1E 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/r8a7745.dtsi7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7745.dtsi b/arch/arm/boot/dts/r8a7745.dtsi
index 3de69cb..1cb7a7a 100644
--- a/arch/arm/boot/dts/r8a7745.dtsi
+++ b/arch/arm/boot/dts/r8a7745.dtsi
@@ -105,6 +105,13 @@
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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