linux-kernel - [PATCH v6 10/12] arm64: dts: mediatek: add OPP support for mt8365 SoC

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Message-Id: <20230203-evk-board-support-v6-10-8d6b1cfe7f29@baylibre.com>
Date:   Wed, 26 Apr 2023 12:49:10 +0200
From:   Alexandre Mergnat <amergnat@...libre.com>
To:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
        linux-mediatek@...ts.infradead.org,
        Alexandre Mergnat <amergnat@...libre.com>,
        Kevin Hilman <khilman@...libre.com>
Subject: [PATCH v6 10/12] arm64: dts: mediatek: add OPP support for mt8365
 SoC

In order to have cpufreq support, this patch adds generic Operating
Performance Points support.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Tested-by: Kevin Hilman <khilman@...libre.com>
Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
---
 arch/arm64/boot/dts/mediatek/mt8365.dtsi | 101 +++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8365.dtsi b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
index bb45aab2e6a9..cfe0c67ad61f 100644
--- a/arch/arm64/boot/dts/mediatek/mt8365.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
@@ -20,6 +20,91 @@ cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
+	cluster0_opp: opp-table-0 {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		opp-850000000 {
+			opp-hz = /bits/ 64 <850000000>;
+			opp-microvolt = <650000>;
+		};
+
+		opp-918000000 {
+			opp-hz = /bits/ 64 <918000000>;
+			opp-microvolt = <668750>;
+		};
+
+		opp-987000000 {
+			opp-hz = /bits/ 64 <987000000>;
+			opp-microvolt = <687500>;
+		};
+
+		opp-1056000000 {
+			opp-hz = /bits/ 64 <1056000000>;
+			opp-microvolt = <706250>;
+		};
+
+		opp-1125000000 {
+			opp-hz = /bits/ 64 <1125000000>;
+			opp-microvolt = <725000>;
+		};
+
+		opp-1216000000 {
+			opp-hz = /bits/ 64 <1216000000>;
+			opp-microvolt = <750000>;
+		};
+
+		opp-1308000000 {
+			opp-hz = /bits/ 64 <1308000000>;
+			opp-microvolt = <775000>;
+		};
+
+		opp-1400000000 {
+			opp-hz = /bits/ 64 <1400000000>;
+			opp-microvolt = <800000>;
+		};
+
+		opp-1466000000 {
+			opp-hz = /bits/ 64 <1466000000>;
+			opp-microvolt = <825000>;
+		};
+
+		opp-1533000000 {
+			opp-hz = /bits/ 64 <1533000000>;
+			opp-microvolt = <850000>;
+		};
+
+		opp-1633000000 {
+			opp-hz = /bits/ 64 <1633000000>;
+			opp-microvolt = <887500>;
+		};
+
+		opp-1700000000 {
+			opp-hz = /bits/ 64 <1700000000>;
+			opp-microvolt = <912500>;
+		};
+
+		opp-1767000000 {
+			opp-hz = /bits/ 64 <1767000000>;
+			opp-microvolt = <937500>;
+		};
+
+		opp-1834000000 {
+			opp-hz = /bits/ 64 <1834000000>;
+			opp-microvolt = <962500>;
+		};
+
+		opp-1917000000 {
+			opp-hz = /bits/ 64 <1917000000>;
+			opp-microvolt = <993750>;
+		};
+
+		opp-2001000000 {
+			opp-hz = /bits/ 64 <2001000000>;
+			opp-microvolt = <1025000>;
+		};
+	};
+
 		cpu-map {
 			cluster0 {
 				core0 {
@@ -50,6 +135,10 @@ cpu0: cpu@0 {
 			d-cache-line-size = <64>;
 			d-cache-sets = <256>;
 			next-level-cache = <&l2>;
+			clocks = <&mcucfg CLK_MCU_BUS_SEL>,
+				 <&apmixedsys CLK_APMIXED_MAINPLL>;
+			clock-names = "cpu", "intermediate";
+			operating-points-v2 = <&cluster0_opp>;
 		};
 
 		cpu1: cpu@1 {
@@ -65,6 +154,10 @@ cpu1: cpu@1 {
 			d-cache-line-size = <64>;
 			d-cache-sets = <256>;
 			next-level-cache = <&l2>;
+			clocks = <&mcucfg CLK_MCU_BUS_SEL>,
+				 <&apmixedsys CLK_APMIXED_MAINPLL>;
+			clock-names = "cpu", "intermediate", "armpll";
+			operating-points-v2 = <&cluster0_opp>;
 		};
 
 		cpu2: cpu@2 {
@@ -80,6 +173,10 @@ cpu2: cpu@2 {
 			d-cache-line-size = <64>;
 			d-cache-sets = <256>;
 			next-level-cache = <&l2>;
+			clocks = <&mcucfg CLK_MCU_BUS_SEL>,
+				 <&apmixedsys CLK_APMIXED_MAINPLL>;
+			clock-names = "cpu", "intermediate", "armpll";
+			operating-points-v2 = <&cluster0_opp>;
 		};
 
 		cpu3: cpu@3 {
@@ -95,6 +192,10 @@ cpu3: cpu@3 {
 			d-cache-line-size = <64>;
 			d-cache-sets = <256>;
 			next-level-cache = <&l2>;
+			clocks = <&mcucfg CLK_MCU_BUS_SEL>,
+				 <&apmixedsys CLK_APMIXED_MAINPLL>;
+			clock-names = "cpu", "intermediate", "armpll";
+			operating-points-v2 = <&cluster0_opp>;
 		};
 
 		l2: l2-cache {

-- 
2.25.1