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authorGeert Uytterhoeven <geert+renesas@glider.be>2018-05-07 15:57:04 +0200
committerSimon Horman <horms+renesas@verge.net.au>2018-05-14 16:40:43 +0200
commitcd1ce84a08e69450ee196edcb7686c78ff5b57c5 (patch)
treeab729d11522d6308bd8ac3e9b71878f271ae44e0 /arch/arm
parentARM: dts: r8a7792: Add PMU device node (diff)
downloadlinux-cd1ce84a08e69450ee196edcb7686c78ff5b57c5.tar.xz
linux-cd1ce84a08e69450ee196edcb7686c78ff5b57c5.zip
ARM: dts: r8a7793: Add PMU device node
Enable support for the ARM Performance Monitor Units in the Cortex-A15 CPU cores on R-Car M2-N by adding a device node for the PMU. New Linux output: hw perfevents: enabled with armv7_cortex_a15 PMU driver, 7 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/r8a7793.dtsi7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7793.dtsi b/arch/arm/boot/dts/r8a7793.dtsi
index 6975b0efc46c..4c29de510481 100644
--- a/arch/arm/boot/dts/r8a7793.dtsi
+++ b/arch/arm/boot/dts/r8a7793.dtsi
@@ -110,6 +110,13 @@
clock-frequency = <0>;
};
+ pmu {
+ compatible = "arm,cortex-a15-pmu";
+ interrupts-extended = <&gic GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
+ <&gic GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-affinity = <&cpu0>, <&cpu1>;
+ };
+
/* External SCIF clock */
scif_clk: scif {
compatible = "fixed-clock";