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Date: Fri, 9 Jun 2023 15:29:03 +0800
From: Chen-Yu Tsai <wenst@...omium.org>
To: Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>
Cc: Chen-Yu Tsai <wenst@...omium.org>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>
Subject: [PATCH v2 2/4] arm64: dts: mediatek: mt8186: Wire up CPU frequency/voltage scaling
This adds clocks, dynamic power coefficients, and OPP tables for the CPU
cores, so that everything required at the SoC level for CPU freqency and
voltage scaling is available.
Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>
---
arch/arm64/boot/dts/mediatek/mt8186.dtsi | 242 +++++++++++++++++++++++
1 file changed, 242 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8186.dtsi b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
index 93f3c45ba372..e2becf2fe79f 100644
--- a/arch/arm64/boot/dts/mediatek/mt8186.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
@@ -120,6 +120,208 @@ cci_opp_15: opp-1400000000 {
};
};
+ cluster0_opp: opp-table-cluster0 {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp-500000000 {
+ opp-hz = /bits/ 64 <500000000>;
+ opp-microvolt = <600000>;
+ required-opps = <&cci_opp_0>;
+ };
+
+ opp-774000000 {
+ opp-hz = /bits/ 64 <774000000>;
+ opp-microvolt = <675000>;
+ required-opps = <&cci_opp_1>;
+ };
+
+ opp-875000000 {
+ opp-hz = /bits/ 64 <875000000>;
+ opp-microvolt = <700000>;
+ required-opps = <&cci_opp_2>;
+ };
+
+ opp-975000000 {
+ opp-hz = /bits/ 64 <975000000>;
+ opp-microvolt = <725000>;
+ required-opps = <&cci_opp_3>;
+ };
+
+ opp-1075000000 {
+ opp-hz = /bits/ 64 <1075000000>;
+ opp-microvolt = <750000>;
+ required-opps = <&cci_opp_4>;
+ };
+
+ opp-1175000000 {
+ opp-hz = /bits/ 64 <1175000000>;
+ opp-microvolt = <775000>;
+ required-opps = <&cci_opp_5>;
+ };
+
+ opp-1275000000 {
+ opp-hz = /bits/ 64 <1275000000>;
+ opp-microvolt = <800000>;
+ required-opps = <&cci_opp_6>;
+ };
+
+ opp-1375000000 {
+ opp-hz = /bits/ 64 <1375000000>;
+ opp-microvolt = <825000>;
+ required-opps = <&cci_opp_7>;
+ };
+
+ opp-1500000000 {
+ opp-hz = /bits/ 64 <1500000000>;
+ opp-microvolt = <856250>;
+ required-opps = <&cci_opp_8>;
+ };
+
+ opp-1618000000 {
+ opp-hz = /bits/ 64 <1618000000>;
+ opp-microvolt = <875000>;
+ required-opps = <&cci_opp_9>;
+ };
+
+ opp-1666000000 {
+ opp-hz = /bits/ 64 <1666000000>;
+ opp-microvolt = <900000>;
+ required-opps = <&cci_opp_10>;
+ };
+
+ opp-1733000000 {
+ opp-hz = /bits/ 64 <1733000000>;
+ opp-microvolt = <925000>;
+ required-opps = <&cci_opp_11>;
+ };
+
+ opp-1800000000 {
+ opp-hz = /bits/ 64 <1800000000>;
+ opp-microvolt = <950000>;
+ required-opps = <&cci_opp_12>;
+ };
+
+ opp-1866000000 {
+ opp-hz = /bits/ 64 <1866000000>;
+ opp-microvolt = <981250>;
+ required-opps = <&cci_opp_13>;
+ };
+
+ opp-1933000000 {
+ opp-hz = /bits/ 64 <1933000000>;
+ opp-microvolt = <1006250>;
+ required-opps = <&cci_opp_14>;
+ };
+
+ opp-2000000000 {
+ opp-hz = /bits/ 64 <2000000000>;
+ opp-microvolt = <1031250>;
+ required-opps = <&cci_opp_15>;
+ };
+ };
+
+ cluster1_opp: opp-table-cluster1 {
+ compatible = "operating-points-v2";
+ opp-shared;
+
+ opp-774000000 {
+ opp-hz = /bits/ 64 <774000000>;
+ opp-microvolt = <675000>;
+ required-opps = <&cci_opp_0>;
+ };
+
+ opp-835000000 {
+ opp-hz = /bits/ 64 <835000000>;
+ opp-microvolt = <693750>;
+ required-opps = <&cci_opp_1>;
+ };
+
+ opp-919000000 {
+ opp-hz = /bits/ 64 <919000000>;
+ opp-microvolt = <718750>;
+ required-opps = <&cci_opp_2>;
+ };
+
+ opp-1002000000 {
+ opp-hz = /bits/ 64 <1002000000>;
+ opp-microvolt = <743750>;
+ required-opps = <&cci_opp_3>;
+ };
+
+ opp-1085000000 {
+ opp-hz = /bits/ 64 <1085000000>;
+ opp-microvolt = <775000>;
+ required-opps = <&cci_opp_4>;
+ };
+
+ opp-1169000000 {
+ opp-hz = /bits/ 64 <1169000000>;
+ opp-microvolt = <800000>;
+ required-opps = <&cci_opp_5>;
+ };
+
+ opp-1308000000 {
+ opp-hz = /bits/ 64 <1308000000>;
+ opp-microvolt = <843750>;
+ required-opps = <&cci_opp_6>;
+ };
+
+ opp-1419000000 {
+ opp-hz = /bits/ 64 <1419000000>;
+ opp-microvolt = <875000>;
+ required-opps = <&cci_opp_7>;
+ };
+
+ opp-1530000000 {
+ opp-hz = /bits/ 64 <1530000000>;
+ opp-microvolt = <912500>;
+ required-opps = <&cci_opp_8>;
+ };
+
+ opp-1670000000 {
+ opp-hz = /bits/ 64 <1670000000>;
+ opp-microvolt = <956250>;
+ required-opps = <&cci_opp_9>;
+ };
+
+ opp-1733000000 {
+ opp-hz = /bits/ 64 <1733000000>;
+ opp-microvolt = <981250>;
+ required-opps = <&cci_opp_10>;
+ };
+
+ opp-1796000000 {
+ opp-hz = /bits/ 64 <1796000000>;
+ opp-microvolt = <1012500>;
+ required-opps = <&cci_opp_11>;
+ };
+
+ opp-1860000000 {
+ opp-hz = /bits/ 64 <1860000000>;
+ opp-microvolt = <1037500>;
+ required-opps = <&cci_opp_12>;
+ };
+
+ opp-1923000000 {
+ opp-hz = /bits/ 64 <1923000000>;
+ opp-microvolt = <1062500>;
+ required-opps = <&cci_opp_13>;
+ };
+
+ cluster1_opp_14: opp-1986000000 {
+ opp-hz = /bits/ 64 <1986000000>;
+ opp-microvolt = <1093750>;
+ required-opps = <&cci_opp_14>;
+ };
+
+ cluster1_opp_15: opp-2050000000 {
+ opp-hz = /bits/ 64 <2050000000>;
+ opp-microvolt = <1118750>;
+ required-opps = <&cci_opp_15>;
+ };
+ };
+
cpus {
#address-cells = <1>;
#size-cells = <0>;
@@ -166,6 +368,11 @@ cpu0: cpu@0 {
reg = <0x000>;
enable-method = "psci";
clock-frequency = <2000000000>;
+ clocks = <&mcusys CLK_MCU_ARMPLL_LL_SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points-v2 = <&cluster0_opp>;
+ dynamic-power-coefficient = <84>;
capacity-dmips-mhz = <382>;
cpu-idle-states = <&cpu_ret_l &cpu_off_l>;
i-cache-size = <32768>;
@@ -185,6 +392,11 @@ cpu1: cpu@100 {
reg = <0x100>;
enable-method = "psci";
clock-frequency = <2000000000>;
+ clocks = <&mcusys CLK_MCU_ARMPLL_LL_SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points-v2 = <&cluster0_opp>;
+ dynamic-power-coefficient = <84>;
capacity-dmips-mhz = <382>;
cpu-idle-states = <&cpu_ret_l &cpu_off_l>;
i-cache-size = <32768>;
@@ -204,6 +416,11 @@ cpu2: cpu@200 {
reg = <0x200>;
enable-method = "psci";
clock-frequency = <2000000000>;
+ clocks = <&mcusys CLK_MCU_ARMPLL_LL_SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points-v2 = <&cluster0_opp>;
+ dynamic-power-coefficient = <84>;
capacity-dmips-mhz = <382>;
cpu-idle-states = <&cpu_ret_l &cpu_off_l>;
i-cache-size = <32768>;
@@ -223,6 +440,11 @@ cpu3: cpu@300 {
reg = <0x300>;
enable-method = "psci";
clock-frequency = <2000000000>;
+ clocks = <&mcusys CLK_MCU_ARMPLL_LL_SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points-v2 = <&cluster0_opp>;
+ dynamic-power-coefficient = <84>;
capacity-dmips-mhz = <382>;
cpu-idle-states = <&cpu_ret_l &cpu_off_l>;
i-cache-size = <32768>;
@@ -242,6 +464,11 @@ cpu4: cpu@400 {
reg = <0x400>;
enable-method = "psci";
clock-frequency = <2000000000>;
+ clocks = <&mcusys CLK_MCU_ARMPLL_LL_SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points-v2 = <&cluster0_opp>;
+ dynamic-power-coefficient = <84>;
capacity-dmips-mhz = <382>;
cpu-idle-states = <&cpu_ret_l &cpu_off_l>;
i-cache-size = <32768>;
@@ -261,6 +488,11 @@ cpu5: cpu@500 {
reg = <0x500>;
enable-method = "psci";
clock-frequency = <2000000000>;
+ clocks = <&mcusys CLK_MCU_ARMPLL_LL_SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points-v2 = <&cluster0_opp>;
+ dynamic-power-coefficient = <84>;
capacity-dmips-mhz = <382>;
cpu-idle-states = <&cpu_ret_l &cpu_off_l>;
i-cache-size = <32768>;
@@ -280,6 +512,11 @@ cpu6: cpu@600 {
reg = <0x600>;
enable-method = "psci";
clock-frequency = <2050000000>;
+ clocks = <&mcusys CLK_MCU_ARMPLL_BL_SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points-v2 = <&cluster1_opp>;
+ dynamic-power-coefficient = <335>;
capacity-dmips-mhz = <1024>;
cpu-idle-states = <&cpu_ret_b &cpu_off_b>;
i-cache-size = <65536>;
@@ -299,6 +536,11 @@ cpu7: cpu@700 {
reg = <0x700>;
enable-method = "psci";
clock-frequency = <2050000000>;
+ clocks = <&mcusys CLK_MCU_ARMPLL_BL_SEL>,
+ <&apmixedsys CLK_APMIXED_MAINPLL>;
+ clock-names = "cpu", "intermediate";
+ operating-points-v2 = <&cluster1_opp>;
+ dynamic-power-coefficient = <335>;
capacity-dmips-mhz = <1024>;
cpu-idle-states = <&cpu_ret_b &cpu_off_b>;
i-cache-size = <65536>;
--
2.41.0.162.gfafddb0af9-goog
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