From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Mon, 7 May 2018 13:57:02 +0000 (+0200)
Subject: ARM: dts: r8a7791: Add PMU device node
X-Git-Tag: v4.18-rc1~48^2^2~7
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=8607428c96b94e9f53f46b6e5aa3b9dbd604ad07;p=uclinux-h8%2Flinux.git

ARM: dts: r8a7791: Add PMU device node

Enable support for the ARM Performance Monitor Units in the Cortex-A15
CPU cores on R-Car M2-W 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>
---

diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi
index 570ca12422c5..828ad78c3337 100644
--- a/arch/arm/boot/dts/r8a7791.dtsi
+++ b/arch/arm/boot/dts/r8a7791.dtsi
@@ -126,6 +126,13 @@
 		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";