From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Mon, 7 May 2018 13:57:05 +0000 (+0200)
Subject: ARM: dts: r8a7794: Add PMU device node
X-Git-Tag: v4.18-rc1~48^2^2~4
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=123703f0beebcd432ea204e9ac83150b23646088;p=thirdparty%2Flinux.git

ARM: dts: r8a7794: Add PMU device node

Enable support for the ARM Performance Monitor Units in the Cortex-A7
CPU cores on R-Car E2 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>
---

diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
index 76aadcdf9d37b..736196903d22f 100644
--- a/arch/arm/boot/dts/r8a7794.dtsi
+++ b/arch/arm/boot/dts/r8a7794.dtsi
@@ -103,6 +103,13 @@
 		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";