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Date: Thu, 14 Sep 2023 20:10:35 +0800
From: Mark Tseng <chun-jen.tseng@...iatek.com>
To: Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Chen-Yu Tsai <wenst@...omium.org>
CC: <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
<Project_Global_Chrome_Upstream_Group@...iatek.com>,
<chun-jen.tseng@...iatek.com>
Subject: [PATCH v2 1/1] arm64: dts: mediatek: mt8186: Increase CCI frequency
The original CCI OPP table's lowest frequency 500 MHz is too low and causes
system stalls. Increase the frequency range to 1.05 GHz ~ 1.4 GHz and adjust
the OPPs accordingly.
Fixes: 32dfbc03fc26 ("arm64: dts: mediatek: mt8186: Add CCI node and CCI OPP table")
Signed-off-by: Mark Tseng <chun-jen.tseng@...iatek.com>
---
arch/arm64/boot/dts/mediatek/mt8186.dtsi | 90 ++++++++++++------------
1 file changed, 45 insertions(+), 45 deletions(-)
diff --git a/arch/arm64/boot/dts/mediatek/mt8186.dtsi b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
index f04ae70c470a..b98832d032eb 100644
--- a/arch/arm64/boot/dts/mediatek/mt8186.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
@@ -39,79 +39,79 @@
compatible = "operating-points-v2";
opp-shared;
- cci_opp_0: opp-500000000 {
- opp-hz = /bits/ 64 <500000000>;
- opp-microvolt = <600000>;
+ cci_opp_0: opp-1050000000 {
+ opp-hz = /bits/ 64 <1050000000>;
+ opp-microvolt = <843750>;
};
- cci_opp_1: opp-560000000 {
- opp-hz = /bits/ 64 <560000000>;
- opp-microvolt = <675000>;
+ cci_opp_1: opp-1073000000 {
+ opp-hz = /bits/ 64 <1073000000>;
+ opp-microvolt = <850000>;
};
- cci_opp_2: opp-612000000 {
- opp-hz = /bits/ 64 <612000000>;
- opp-microvolt = <693750>;
+ cci_opp_2: opp-1096000000 {
+ opp-hz = /bits/ 64 <1096000000>;
+ opp-microvolt = <856250>;
};
- cci_opp_3: opp-682000000 {
- opp-hz = /bits/ 64 <682000000>;
- opp-microvolt = <718750>;
+ cci_opp_3: opp-1120000000 {
+ opp-hz = /bits/ 64 <1120000000>;
+ opp-microvolt = <862500>;
};
- cci_opp_4: opp-752000000 {
- opp-hz = /bits/ 64 <752000000>;
- opp-microvolt = <743750>;
+ cci_opp_4: opp-1143000000 {
+ opp-hz = /bits/ 64 <1143000000>;
+ opp-microvolt = <881250>;
};
- cci_opp_5: opp-822000000 {
- opp-hz = /bits/ 64 <822000000>;
- opp-microvolt = <768750>;
+ cci_opp_5: opp-1166000000 {
+ opp-hz = /bits/ 64 <1166000000>;
+ opp-microvolt = <893750>;
};
- cci_opp_6: opp-875000000 {
- opp-hz = /bits/ 64 <875000000>;
- opp-microvolt = <781250>;
+ cci_opp_6: opp-1190000000 {
+ opp-hz = /bits/ 64 <1190000000>;
+ opp-microvolt = <906250>;
};
- cci_opp_7: opp-927000000 {
- opp-hz = /bits/ 64 <927000000>;
- opp-microvolt = <800000>;
+ cci_opp_7: opp-1213000000 {
+ opp-hz = /bits/ 64 <1213000000>;
+ opp-microvolt = <918750>;
};
- cci_opp_8: opp-980000000 {
- opp-hz = /bits/ 64 <980000000>;
- opp-microvolt = <818750>;
+ cci_opp_8: opp-1236000000 {
+ opp-hz = /bits/ 64 <1236000000>;
+ opp-microvolt = <937500>;
};
- cci_opp_9: opp-1050000000 {
- opp-hz = /bits/ 64 <1050000000>;
- opp-microvolt = <843750>;
+ cci_opp_9: opp-1260000000 {
+ opp-hz = /bits/ 64 <1260000000>;
+ opp-microvolt = <950000>;
};
- cci_opp_10: opp-1120000000 {
- opp-hz = /bits/ 64 <1120000000>;
- opp-microvolt = <862500>;
+ cci_opp_10: opp-1283000000 {
+ opp-hz = /bits/ 64 <1283000000>;
+ opp-microvolt = <962500>;
};
- cci_opp_11: opp-1155000000 {
- opp-hz = /bits/ 64 <1155000000>;
- opp-microvolt = <887500>;
+ cci_opp_11: opp-1306000000 {
+ opp-hz = /bits/ 64 <1306000000>;
+ opp-microvolt = <975000>;
};
- cci_opp_12: opp-1190000000 {
- opp-hz = /bits/ 64 <1190000000>;
- opp-microvolt = <906250>;
+ cci_opp_12: opp-1330000000 {
+ opp-hz = /bits/ 64 <1330000000>;
+ opp-microvolt = <993750>;
};
- cci_opp_13: opp-1260000000 {
- opp-hz = /bits/ 64 <1260000000>;
- opp-microvolt = <950000>;
+ cci_opp_13: opp-1353000000 {
+ opp-hz = /bits/ 64 <1353000000>;
+ opp-microvolt = <1006250>;
};
- cci_opp_14: opp-1330000000 {
- opp-hz = /bits/ 64 <1330000000>;
- opp-microvolt = <993750>;
+ cci_opp_14: opp-1376000000 {
+ opp-hz = /bits/ 64 <1376000000>;
+ opp-microvolt = <1018750>;
};
cci_opp_15: opp-1400000000 {
--
2.18.0
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