[PATCH] arm64: dts: allwinner: a64: Add PMU node

[PATCH] arm64: dts: allwinner: a64: Add PMU node

[Harald Geyer]

This is necessary to use 'perf' for cache profiling etc.
Tested on Teres I Laptop.

Signed-off-by: Harald Geyer <harald@ccbib.org>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 837a03dee875..bf9b719481c4 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -142,6 +142,15 @@
 		clock-output-names = "ext-osc32k";
 	};
 
+	pmu {
+		compatible = "arm,cortex-a53-pmu";
+		interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
+	};
+
 	psci {
 		compatible = "arm,psci-0.2";
 		method = "smc";
-- 
2.11.0


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Re: [PATCH] arm64: dts: allwinner: a64: Add PMU node

[Maxime Ripard]

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On Wed, Dec 19, 2018 at 03:40:17PM +0000, Harald Geyer wrote:
> This is necessary to use 'perf' for cache profiling etc.
> Tested on Teres I Laptop.
> 
> Signed-off-by: Harald Geyer <harald@ccbib.org>

QUeued for 4.22, thanks!
Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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