Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-30 14:52:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

ARM: dts: r8a7745: Add PMU device node

Browse Source 
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>
This commit is contained in:
Geert Uytterhoeven 2018-05-07 15:57:07 +02:00 committed by Simon Horman
parent fe60e933b0
commit 9562a6b1d0
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
arch/arm/boot/dts/r8a7745.dtsi
View File

@ -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";