[PATCH 4/8] ARM: dts: r8a7792: Add PMU device node

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Enable support for the ARM Performance Monitor Units in the Cortex-A15
CPU cores on R-Car V2H 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@xxxxxxxxx>
---
 arch/arm/boot/dts/r8a7792.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7792.dtsi b/arch/arm/boot/dts/r8a7792.dtsi
index d2cf8dd2d9b03624..f44257dd86f66289 100644
--- a/arch/arm/boot/dts/r8a7792.dtsi
+++ b/arch/arm/boot/dts/r8a7792.dtsi
@@ -85,6 +85,13 @@
 		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";
-- 
2.7.4

--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux