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From: Andre Heider <a.heider@gmail.com>
To: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>, Yixun Lan <dlan@kernel.org>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>
Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
	spacemit@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: [PATCH 1/3] riscv: dts: spacemit: k1-musepi-pro: add cpu scaling
Date: Tue,  4 Aug 2026 15:32:32 +0200	[thread overview]
Message-ID: <20260804133236.205668-2-a.heider@gmail.com> (raw)
In-Reply-To: <20260804133236.205668-1-a.heider@gmail.com>

Enable CPU DVFS by including the OPP table and wiring the CPU nodes to the
CPU regulator supply.

Signed-off-by: Andre Heider <a.heider@gmail.com>
---
 .../riscv/boot/dts/spacemit/k1-musepi-pro.dts | 35 ++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
index 246f8f2ab62b..23f32a8a3d45 100644
--- a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
@@ -8,6 +8,7 @@
 /dts-v1/;
 
 #include "k1.dtsi"
+#include "k1-opp.dtsi"
 #include "k1-pinctrl.dtsi"
 
 / {
@@ -99,6 +100,38 @@ &combo_phy {
 	status = "okay";
 };
 
+&cpu_0 {
+	cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_1 {
+	cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_2 {
+	cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_3 {
+	cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_4 {
+	cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_5 {
+	cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_6 {
+	cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_7 {
+	cpu-supply = <&buck1_0v9>;
+};
+
 &eth0 {
 	phy-handle = <&rgmii0>;
 	phy-mode = "rgmii-id";
@@ -178,7 +211,7 @@ pmic@41 {
 		dldoin2-supply = <&buck5>;
 
 		regulators {
-			buck1 {
+			buck1_0v9: buck1 {
 				regulator-min-microvolt = <500000>;
 				regulator-max-microvolt = <1050000>;
 				regulator-ramp-delay = <5000>;
-- 
2.53.0


WARNING: multiple messages have this Message-ID (diff)
From: Andre Heider <a.heider@gmail.com>
To: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>, Yixun Lan <dlan@kernel.org>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>
Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
	spacemit@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: [PATCH 1/3] riscv: dts: spacemit: k1-musepi-pro: add cpu scaling
Date: Tue,  4 Aug 2026 15:32:32 +0200	[thread overview]
Message-ID: <20260804133236.205668-2-a.heider@gmail.com> (raw)
In-Reply-To: <20260804133236.205668-1-a.heider@gmail.com>

Enable CPU DVFS by including the OPP table and wiring the CPU nodes to the
CPU regulator supply.

Signed-off-by: Andre Heider <a.heider@gmail.com>
---
 .../riscv/boot/dts/spacemit/k1-musepi-pro.dts | 35 ++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
index 246f8f2ab62b..23f32a8a3d45 100644
--- a/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-musepi-pro.dts
@@ -8,6 +8,7 @@
 /dts-v1/;
 
 #include "k1.dtsi"
+#include "k1-opp.dtsi"
 #include "k1-pinctrl.dtsi"
 
 / {
@@ -99,6 +100,38 @@ &combo_phy {
 	status = "okay";
 };
 
+&cpu_0 {
+	cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_1 {
+	cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_2 {
+	cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_3 {
+	cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_4 {
+	cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_5 {
+	cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_6 {
+	cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_7 {
+	cpu-supply = <&buck1_0v9>;
+};
+
 &eth0 {
 	phy-handle = <&rgmii0>;
 	phy-mode = "rgmii-id";
@@ -178,7 +211,7 @@ pmic@41 {
 		dldoin2-supply = <&buck5>;
 
 		regulators {
-			buck1 {
+			buck1_0v9: buck1 {
 				regulator-min-microvolt = <500000>;
 				regulator-max-microvolt = <1050000>;
 				regulator-ramp-delay = <5000>;
-- 
2.53.0


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  reply	other threads:[~2026-08-04 13:32 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-04 13:32 [PATCH 0/3] riscv: dts: spacemit: add cpu scaling for 3 boards Andre Heider
2026-08-04 13:32 ` Andre Heider
2026-08-04 13:32 ` Andre Heider [this message]
2026-08-04 13:32   ` [PATCH 1/3] riscv: dts: spacemit: k1-musepi-pro: add cpu scaling Andre Heider
2026-08-04 13:32 ` [PATCH 2/3] riscv: dts: spacemit: orangepi-rv2: Add cpu scaling for K1 SoC Andre Heider
2026-08-04 13:32   ` Andre Heider
2026-08-04 13:32 ` [PATCH 3/3] riscv: dts: spacemit: orangepi-r2s: " Andre Heider
2026-08-04 13:32   ` Andre Heider

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