PKGBUILDs/core/linux-espressobin/0004-ARM64-dts-marvell-armada37xx-Wire-PMUv3.patch
2017-07-05 02:14:52 +00:00

35 lines
1.1 KiB
Diff

From 55f2b7a0efc914173368405d1399f31a4ca76566 Mon Sep 17 00:00:00 2001
From: Marc Zyngier <Marc.Zyngier@arm.com>
Date: Sat, 1 Jul 2017 15:16:36 +0100
Subject: [PATCH 4/8] ARM64: dts: marvell: armada37xx: Wire PMUv3
The Cortex-A53s that power the Armada-37xx SoCs are equipped with
a PMUv3, just like most ARMv8 cores.
Advertise the PMUv3 presence in the device tree, and wire its
interrupt. This allows the perf subsystem to work correctly.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
---
arch/arm64/boot/dts/marvell/armada-37xx.dtsi | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
index fd26d31d2846..f4deb8cd11c6 100644
--- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
@@ -81,6 +81,11 @@
<GIC_PPI 10 IRQ_TYPE_LEVEL_HIGH>;
};
+ pmu {
+ compatible = "arm,armv8-pmuv3";
+ interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
soc {
compatible = "simple-bus";
#address-cells = <2>;
--
2.13.2