From 9e7ec0e6edf76baf2caab759edc4aee35f3c9dc1 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Mon, 7 May 2018 15:57:04 +0200
Subject: [PATCH 1419/1795] 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>
(cherry picked from commit cd1ce84a08e69450ee196edcb7686c78ff5b57c5)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 arch/arm/boot/dts/r8a7793.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7793.dtsi b/arch/arm/boot/dts/r8a7793.dtsi
index 2fa052200495..4abecfc0ca98 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";
-- 
2.19.0