linux-kernel - [PATCH v11 2/6] arm64: dts: mt8183: add capacity-dmips-mhz

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Message-ID: <1558947887-31084-3-git-send-email-erin.lo@mediatek.com>
Date:   Mon, 27 May 2019 17:04:43 +0800
From:   Erin Lo <erin.lo@...iatek.com>
To:     Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
CC:     <devicetree@...r.kernel.org>,
        srv_heupstream <srv_heupstream@...iatek.com>,
        <linux-kernel@...r.kernel.org>, <linux-serial@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>, <erin.lo@...iatek.com>,
        <mars.cheng@...iatek.com>, <eddie.huang@...iatek.com>,
        "Hsin-Yi, Wang" <hsinyi@...omium.org>
Subject: [PATCH v11 2/6] arm64: dts: mt8183: add capacity-dmips-mhz

From: "Hsin-Yi, Wang" <hsinyi@...omium.org>

Pinned the frequency to the max and run dhrystone to get the value.
little cpu: 11071 (max freq: 1989000)
big cpu: 15293 (max freq: 1989000)

11071 : 15293 ~= 741 : 1024

Signed-off-by: Erin Lo <erin.lo@...iatek.com>
Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>

---
 arch/arm64/boot/dts/mediatek/mt8183.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 08274bf..5b34ec6 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -56,6 +56,7 @@
 			compatible = "arm,cortex-a53";
 			reg = <0x000>;
 			enable-method = "psci";
+			capacity-dmips-mhz = <741>;
 		};
 
 		cpu1: cpu@1 {
@@ -63,6 +64,7 @@
 			compatible = "arm,cortex-a53";
 			reg = <0x001>;
 			enable-method = "psci";
+			capacity-dmips-mhz = <741>;
 		};
 
 		cpu2: cpu@2 {
@@ -70,6 +72,7 @@
 			compatible = "arm,cortex-a53";
 			reg = <0x002>;
 			enable-method = "psci";
+			capacity-dmips-mhz = <741>;
 		};
 
 		cpu3: cpu@3 {
@@ -77,6 +80,7 @@
 			compatible = "arm,cortex-a53";
 			reg = <0x003>;
 			enable-method = "psci";
+			capacity-dmips-mhz = <741>;
 		};
 
 		cpu4: cpu@100 {
@@ -84,6 +88,7 @@
 			compatible = "arm,cortex-a73";
 			reg = <0x100>;
 			enable-method = "psci";
+			capacity-dmips-mhz = <1024>;
 		};
 
 		cpu5: cpu@101 {
@@ -91,6 +96,7 @@
 			compatible = "arm,cortex-a73";
 			reg = <0x101>;
 			enable-method = "psci";
+			capacity-dmips-mhz = <1024>;
 		};
 
 		cpu6: cpu@102 {
@@ -98,6 +104,7 @@
 			compatible = "arm,cortex-a73";
 			reg = <0x102>;
 			enable-method = "psci";
+			capacity-dmips-mhz = <1024>;
 		};
 
 		cpu7: cpu@103 {
@@ -105,6 +112,7 @@
 			compatible = "arm,cortex-a73";
 			reg = <0x103>;
 			enable-method = "psci";
+			capacity-dmips-mhz = <1024>;
 		};
 	};
 
-- 
1.8.1.1.dirty