From: Florian Vaussard <florian.vaussard@gmail.com>
Date: Mon, 6 Mar 2017 22:02:58 +0000 (-0600)
Subject: ARM: dts: socfpga: Add support for PMU
X-Git-Tag: v4.12-rc1~56^2~22^2~2
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=34869353774bc6de05291fc6ad50d7f471fa3cd8;p=karo-tx-linux.git

ARM: dts: socfpga: Add support for PMU

The dual Cortex-A9 MPCore inside socfpga has a standard PMU unit for
each core mapped in the DAP memory space. Add support for it!

Tested with perf on a Cyclone 5 SoC DK.

Reported-by: Alberto Dassatti <alberto.dassatti@heig-vd.ch>
Signed-off-by: Florian Vaussard <florian.vaussard@heig-vd.ch>
Tested-by: Alberto Dassatti <alberto.dassatti@heig-vd.ch>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
---

diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index 0a7990b20914..b2674bdb8e6a 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -51,6 +51,15 @@
 		};
 	};
 
+	pmu: pmu@ff111000 {
+		compatible = "arm,cortex-a9-pmu";
+		interrupt-parent = <&intc>;
+		interrupts = <0 176 4>, <0 177 4>;
+		interrupt-affinity = <&cpu0>, <&cpu1>;
+		reg = <0xff111000 0x1000>,
+		      <0xff113000 0x1000>;
+	};
+
 	intc: intc@fffed000 {
 		compatible = "arm,cortex-a9-gic";
 		#interrupt-cells = <3>;