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Message-ID: <1510226303-20950-1-git-send-email-xuyiping@hisilicon.com>
Date: Thu, 9 Nov 2017 19:18:23 +0800
From: Xu YiPing <xuyiping@...ilicon.com>
To: <xuyiping@...ilicon.com>, <xuwei5@...ilicon.com>,
<robh+dt@...nel.org>, <mark.rutland@....com>,
<catalin.marinas@....com>, <will.deacon@....com>,
<suzhuangluan@...ilicon.com>, <zhongkaihua@...wei.com>,
<chenjun14@...wei.com>
CC: <linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v2] arm64: dts: hi3660: improve pmu description
cortex-a73 pmu driver is supported now. hi3660 is 4*a73 + 4*a53, so it
should use "cortex-a73-pmu" and "cortex-a53-pmu" instead of "armpmu-v3",
then we can use the a73 and a53 events in perf tool directly.
Signed-off-by: Xu YiPing <xuyiping@...ilicon.com>
---
arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 22 +++++++++++++---------
1 file changed, 13 insertions(+), 9 deletions(-)
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
index 13ae69f..f4882d3 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
@@ -203,21 +203,25 @@
IRQ_TYPE_LEVEL_HIGH)>;
};
- pmu {
- compatible = "arm,armv8-pmuv3";
+ a53-pmu {
+ compatible = "arm,cortex-a53-pmu";
interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
+ <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
interrupt-affinity = <&cpu0>,
<&cpu1>,
<&cpu2>,
- <&cpu3>,
- <&cpu4>,
+ <&cpu3>;
+ };
+
+ a73-pmu {
+ compatible = "arm,cortex-a73-pmu";
+ interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-affinity = <&cpu4>,
<&cpu5>,
<&cpu6>,
<&cpu7>;
--
2.7.4
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