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From: Frank Wunderlich <linux@fw-web.de>
To: Andrew Lunn <andrew@lunn.ch>, Vladimir Oltean <olteanv@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	AngeloGioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>
Cc: "Frank Wunderlich" <frank-w@public-files.de>,
	"Arınç ÜNAL" <arinc.unal@arinc9.com>,
	"Landen Chao" <Landen.Chao@mediatek.com>,
	"DENG Qingfang" <dqfext@gmail.com>,
	"Sean Wang" <sean.wang@mediatek.com>,
	"Daniel Golle" <daniel@makrotopia.org>,
	"Lorenzo Bianconi" <lorenzo@kernel.org>,
	"Felix Fietkau" <nbd@nbd.name>,
	netdev@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org
Subject: [PATCH v1 06/14] arm64: dts: mediatek: mt7988: add cci node
Date: Sun, 11 May 2025 16:19:22 +0200	[thread overview]
Message-ID: <20250511141942.10284-7-linux@fw-web.de> (raw)
In-Reply-To: <20250511141942.10284-1-linux@fw-web.de>

From: Frank Wunderlich <frank-w@public-files.de>

Add cci devicetree node for cpu frequency scaling.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
---
 arch/arm64/boot/dts/mediatek/mt7988a.dtsi | 33 +++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index ab6fc09940b8..64466acb0e71 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -12,6 +12,35 @@ / {
 	#address-cells = <2>;
 	#size-cells = <2>;
 
+	cci: cci {
+		compatible = "mediatek,mt8183-cci";
+		clocks = <&mcusys CLK_MCU_BUS_DIV_SEL>,
+			 <&topckgen CLK_TOP_XTAL>;
+		clock-names = "cci", "intermediate";
+		operating-points-v2 = <&cci_opp>;
+	};
+
+	cci_opp: opp-table-cci {
+		compatible = "operating-points-v2";
+		opp-shared;
+		opp-480000000 {
+			opp-hz = /bits/ 64 <480000000>;
+			opp-microvolt = <850000>;
+		};
+		opp-660000000 {
+			opp-hz = /bits/ 64 <660000000>;
+			opp-microvolt = <850000>;
+		};
+		opp-900000000 {
+			opp-hz = /bits/ 64 <900000000>;
+			opp-microvolt = <850000>;
+		};
+		opp-1080000000 {
+			opp-hz = /bits/ 64 <1080000000>;
+			opp-microvolt = <900000>;
+		};
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -25,6 +54,7 @@ cpu0: cpu@0 {
 				 <&topckgen CLK_TOP_XTAL>;
 			clock-names = "cpu", "intermediate";
 			operating-points-v2 = <&cluster0_opp>;
+			mediatek,cci = <&cci>;
 		};
 
 		cpu1: cpu@1 {
@@ -36,6 +66,7 @@ cpu1: cpu@1 {
 				 <&topckgen CLK_TOP_XTAL>;
 			clock-names = "cpu", "intermediate";
 			operating-points-v2 = <&cluster0_opp>;
+			mediatek,cci = <&cci>;
 		};
 
 		cpu2: cpu@2 {
@@ -47,6 +78,7 @@ cpu2: cpu@2 {
 				 <&topckgen CLK_TOP_XTAL>;
 			clock-names = "cpu", "intermediate";
 			operating-points-v2 = <&cluster0_opp>;
+			mediatek,cci = <&cci>;
 		};
 
 		cpu3: cpu@3 {
@@ -58,6 +90,7 @@ cpu3: cpu@3 {
 				 <&topckgen CLK_TOP_XTAL>;
 			clock-names = "cpu", "intermediate";
 			operating-points-v2 = <&cluster0_opp>;
+			mediatek,cci = <&cci>;
 		};
 
 		cluster0_opp: opp-table-0 {
-- 
2.43.0


  parent reply	other threads:[~2025-05-11 14:29 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-11 14:19 [PATCH v1 00/14] further mt7988 devicetree work Frank Wunderlich
2025-05-11 14:19 ` [PATCH v1 01/14] dt-bindings: net: mediatek,net: update for mt7988 Frank Wunderlich
2025-05-12 16:21   ` Conor Dooley
2025-05-12 17:33     ` Frank Wunderlich
2025-05-12 21:01       ` Conor Dooley
2025-05-11 14:19 ` [PATCH v1 02/14] dt-bindings: net: dsa: mediatek,mt7530: add dsa-port definition " Frank Wunderlich
2025-05-11 16:34   ` Andrew Lunn
2025-05-11 16:45     ` Andrew Lunn
2025-05-11 17:11       ` Aw: " Frank Wunderlich
2025-05-14 21:16   ` Rob Herring (Arm)
2025-05-11 14:19 ` [PATCH v1 03/14] dt-bindings: net: dsa: mediatek,mt7530: add internal mdio bus Frank Wunderlich
2025-05-14 21:18   ` Rob Herring
2025-05-15  5:40     ` Aw: " Frank Wunderlich
2025-05-11 14:19 ` [PATCH v1 04/14] arm64: dts: mediatek: mt7988: add spi controllers Frank Wunderlich
2025-05-11 14:19 ` [PATCH v1 05/14] arm64: dts: mediatek: mt7988: move uart0 and spi1 pins to soc dtsi Frank Wunderlich
2025-05-11 14:19 ` Frank Wunderlich [this message]
2025-05-11 14:19 ` [PATCH v1 07/14] arm64: dts: mediatek: mt7988: add phy calibration efuse subnodes Frank Wunderlich
2025-05-11 14:19 ` [PATCH v1 08/14] arm64: dts: mediatek: mt7988: add basic ethernet-nodes Frank Wunderlich
2025-05-11 16:38   ` Andrew Lunn
2025-05-12 16:54     ` Frank Wunderlich (linux)
2025-05-11 14:19 ` [PATCH v1 09/14] arm64: dts: mediatek: mt7988: add switch node Frank Wunderlich
2025-05-11 16:42   ` Andrew Lunn
2025-05-11 17:29     ` Aw: " Frank Wunderlich
2025-05-11 21:25       ` Andrew Lunn
2025-05-11 21:55         ` Daniel Golle
2025-05-11 16:06 ` Aw: [PATCH v1 00/14] further mt7988 devicetree work Frank Wunderlich

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