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authorRyder Lee <ryder.lee@mediatek.com>2018-09-05 12:22:17 +0200
committerMatthias Brugger <matthias.bgg@gmail.com>2018-09-25 17:44:33 +0200
commit266c820f30f89319feafcd2ca471e699fd34ff42 (patch)
treeca86212b2b499f9f92223460d3f6e0faa85d7ffc /arch/arm
parentLinux 4.19-rc1 (diff)
downloadlinux-266c820f30f89319feafcd2ca471e699fd34ff42.tar.xz
linux-266c820f30f89319feafcd2ca471e699fd34ff42.zip
arm: dts: mt7623: add a performance counter unit device node
Add ARM PMU device node to enable hardware perf events. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/mt7623.dtsi9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi
index 1cdc346a05e8..8c43bd0715a9 100644
--- a/arch/arm/boot/dts/mt7623.dtsi
+++ b/arch/arm/boot/dts/mt7623.dtsi
@@ -121,6 +121,15 @@
};
};
+ pmu {
+ compatible = "arm,cortex-a7-pmu";
+ interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_SPI 5 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_SPI 6 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_SPI 7 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
+ };
+
system_clk: dummy13m {
compatible = "fixed-clock";
clock-frequency = <13000000>;