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* [PATCH 0/3] riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter
@ 2026-07-28 21:05 Aurelien Jarno
  2026-07-28 21:05 ` [PATCH 1/3] " Aurelien Jarno
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: Aurelien Jarno @ 2026-07-28 21:05 UTC (permalink / raw)
  To: linux-kernel, Paul Walmsley, Palmer Dabbelt, Albert Ou,
	Alexandre Ghiti, Yixun Lan
  Cc: Aurelien Jarno, open list:RISC-V ARCHITECTURE:Keyword:riscv,
	open list:RISC-V SPACEMIT SoC Support:Keyword:spacemit

This series adds cpu scaling support for the Milk-V Jupiter boards.

The first commit adds it to the existing "Milk-V Jupiter (K1)" board.

The two following commits add a "Milk-V Jupiter (M1)" board, by moving
the common part, i.e. everything but the model name and the operating
point tables, in a shared DTSI file. This file is then included for both
K1 and M1 variants.

CPU frequency scaling was verified up to 1.8 GHz on the M1 board.

Aurelien Jarno (3):
  riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter
  riscv: dts: spacemit: Add a common board dtsi for Milk-V Jupiter
    boards
  riscv: dts: spacemit: Add Milk-V Jupiter board (M1)

 arch/riscv/boot/dts/spacemit/Makefile         |   1 +
 .../dts/spacemit/k1-milkv-jupiter-common.dtsi | 469 ++++++++++++++++++
 .../boot/dts/spacemit/k1-milkv-jupiter.dts    | 433 +---------------
 .../boot/dts/spacemit/m1-milkv-jupiter.dts    |  11 +
 arch/riscv/boot/dts/spacemit/m1-opp.dtsi      | 117 +++++
 5 files changed, 601 insertions(+), 430 deletions(-)
 create mode 100644 arch/riscv/boot/dts/spacemit/k1-milkv-jupiter-common.dtsi
 create mode 100644 arch/riscv/boot/dts/spacemit/m1-milkv-jupiter.dts
 create mode 100644 arch/riscv/boot/dts/spacemit/m1-opp.dtsi

-- 
2.53.0


^ permalink raw reply	[flat|nested] 5+ messages in thread
* [PATCH 1/3] riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter
  2026-07-28 21:05 [PATCH 0/3] riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter Aurelien Jarno
@ 2026-07-28 21:05 ` Aurelien Jarno
  2026-07-28 21:05 ` [PATCH 2/3] riscv: dts: spacemit: Add a common board dtsi for Milk-V Jupiter boards Aurelien Jarno
                   ` (2 subsequent siblings)
  3 siblings, 0 replies; 5+ messages in thread
From: Aurelien Jarno @ 2026-07-28 21:05 UTC (permalink / raw)
  To: linux-kernel, Rob Herring, Krzysztof Kozlowski, Conor Dooley,
	Paul Walmsley, Palmer Dabbelt, Albert Ou, Alexandre Ghiti,
	Yixun Lan
  Cc: Aurelien Jarno,
	open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
	open list:RISC-V SPACEMIT SoC Support,
	open list:RISC-V SPACEMIT SoC Support

Enable CPU DVFS on Milk-V Jupiter by including the OPP tables and wiring the
CPU nodes to the CPU regulator supply.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---
 .../boot/dts/spacemit/k1-milkv-jupiter.dts    | 35 ++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
index b61f5995ec771..3c16d0c20050e 100644
--- a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
@@ -5,6 +5,7 @@
  */
 
 #include "k1.dtsi"
+#include "k1-opp.dtsi"
 #include "k1-pinctrl.dtsi"
 
 / {
@@ -107,6 +108,38 @@ &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>;
+};
+
 &emmc {
 	bus-width = <8>;
 	mmc-hs400-1_8v;
@@ -209,7 +242,7 @@ pmic@41 {
 		dldoin2-supply = <&buck5>;
 
 		regulators {
-			buck1 {
+			buck1_0v9: buck1 {
 				regulator-min-microvolt = <500000>;
 				regulator-max-microvolt = <3450000>;
 				regulator-ramp-delay = <5000>;
-- 
2.53.0


^ permalink raw reply related	[flat|nested] 5+ messages in thread
* [PATCH 2/3] riscv: dts: spacemit: Add a common board dtsi for Milk-V Jupiter boards
  2026-07-28 21:05 [PATCH 0/3] riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter Aurelien Jarno
  2026-07-28 21:05 ` [PATCH 1/3] " Aurelien Jarno
@ 2026-07-28 21:05 ` Aurelien Jarno
  2026-07-28 21:05 ` [PATCH 3/3] riscv: dts: spacemit: Add Milk-V Jupiter board (M1) Aurelien Jarno
  2026-07-29  1:32 ` [PATCH 0/3] riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter Yixun Lan
  3 siblings, 0 replies; 5+ messages in thread
From: Aurelien Jarno @ 2026-07-28 21:05 UTC (permalink / raw)
  To: linux-kernel, Rob Herring, Krzysztof Kozlowski, Conor Dooley,
	Yixun Lan, Paul Walmsley, Palmer Dabbelt, Albert Ou,
	Alexandre Ghiti
  Cc: Aurelien Jarno,
	open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
	open list:RISC-V ARCHITECTURE,
	open list:RISC-V SPACEMIT SoC Support

Add a common board dtsi for use by Milk V-Jupiter board variants. It
excludes the CPU operating-points-v2 tables, which should be included in
the board file.

It will be used for the Milk-V Jupiter M1 board.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---
 .../dts/spacemit/k1-milkv-jupiter-common.dtsi | 469 ++++++++++++++++++
 .../boot/dts/spacemit/k1-milkv-jupiter.dts    | 464 +----------------
 2 files changed, 471 insertions(+), 462 deletions(-)
 create mode 100644 arch/riscv/boot/dts/spacemit/k1-milkv-jupiter-common.dtsi

diff --git a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter-common.dtsi b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter-common.dtsi
new file mode 100644
index 0000000000000..b13d9c5e360be
--- /dev/null
+++ b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter-common.dtsi
@@ -0,0 +1,469 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2024 Yangyu Chen <cyy@cyyself.name>
+ * Copyright (C) 2025 Javier Martinez Canillas <javierm@redhat.com>
+ */
+
+#include "k1.dtsi"
+#include "k1-pinctrl.dtsi"
+
+/ {
+	compatible = "milkv,jupiter", "spacemit,k1";
+
+	aliases {
+		ethernet0 = &eth0;
+		ethernet1 = &eth1;
+		i2c2 = &i2c2;
+		i2c8 = &i2c8;
+		mmc0 = &emmc;
+		mmc1 = &sdhci0;
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led1 {
+			label = "pwr-led";
+			gpios = <&gpio K1_GPIO(96) GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "default-on";
+			default-state = "on";
+		};
+
+		led2 {
+			label = "hdd-led";
+			gpios = <&gpio K1_GPIO(92) GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "disk-activity";
+		};
+	};
+
+	pcie_vcc_3v3: regulator-pcie-vcc3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "pcie_vcc3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		regulator-always-on;
+		vin-supply = <&reg_dc_in>;
+	};
+
+	reg_dc_in: regulator-dc-in-12v {
+		compatible = "regulator-fixed";
+		regulator-name = "dc_in_12v";
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reg_vcc_4v: regulator-vcc-4v {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_4v";
+		regulator-min-microvolt = <4000000>;
+		regulator-max-microvolt = <4000000>;
+		regulator-boot-on;
+		regulator-always-on;
+		vin-supply = <&reg_dc_in>;
+	};
+
+	reg_vcc_5v: regulator-vcc-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-boot-on;
+		regulator-always-on;
+		vin-supply = <&reg_dc_in>;
+	};
+
+	regulator-usb3-vbus-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "USB30_VBUS";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+		vin-supply = <&reg_vcc_5v>;
+		gpio = <&gpio K1_GPIO(97) GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	usb3_hub_5v: regulator-usb3-hub-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "USB30_HUB";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&reg_vcc_5v>;
+		gpio = <&gpio K1_GPIO(123) GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+};
+
+&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>;
+};
+
+&emmc {
+	bus-width = <8>;
+	mmc-hs400-1_8v;
+	mmc-hs400-enhanced-strobe;
+	non-removable;
+	no-sd;
+	no-sdio;
+	status = "okay";
+};
+
+&eth0 {
+	phy-handle = <&rgmii0>;
+	phy-mode = "rgmii-id";
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac0_cfg>, <&gmac0_clk_ref_cfg>;
+	rx-internal-delay-ps = <0>;
+	tx-internal-delay-ps = <0>;
+	status = "okay";
+
+	mdio-bus {
+		#address-cells = <0x1>;
+		#size-cells = <0x0>;
+
+		reset-gpios = <&gpio K1_GPIO(110) GPIO_ACTIVE_LOW>;
+		reset-delay-us = <10000>;
+		reset-post-delay-us = <100000>;
+
+		rgmii0: phy@1 {
+			reg = <0x1>;
+		};
+	};
+};
+
+&eth1 {
+	phy-handle = <&rgmii1>;
+	phy-mode = "rgmii-id";
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac1_cfg>, <&gmac1_clk_ref_cfg>;
+	rx-internal-delay-ps = <0>;
+	tx-internal-delay-ps = <250>;
+	status = "okay";
+
+	mdio-bus {
+		#address-cells = <0x1>;
+		#size-cells = <0x0>;
+
+		reset-gpios = <&gpio K1_GPIO(115) GPIO_ACTIVE_LOW>;
+		reset-delay-us = <10000>;
+		reset-post-delay-us = <100000>;
+
+		rgmii1: phy@1 {
+			reg = <0x1>;
+		};
+	};
+};
+
+&pdma {
+	status = "okay";
+};
+
+&i2c2 {
+	pinctrl-0 = <&i2c2_0_cfg>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	eeprom@50 {
+		compatible = "atmel,24c04";
+		reg = <0x50>;
+		vcc-supply = <&buck3_1v8>; /* EEPROM_VCC18 */
+		pagesize = <16>;
+		read-only;
+		size = <512>;
+
+		nvmem-layout {
+			compatible = "onie,tlv-layout";
+
+			product-name {
+			};
+		};
+	};
+};
+
+&i2c8 {
+	pinctrl-0 = <&i2c8_cfg>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	pmic@41 {
+		compatible = "spacemit,p1";
+		reg = <0x41>;
+		interrupts = <64>;
+		vin1-supply = <&reg_vcc_4v>;
+		vin2-supply = <&reg_vcc_4v>;
+		vin3-supply = <&reg_vcc_4v>;
+		vin4-supply = <&reg_vcc_4v>;
+		vin5-supply = <&reg_vcc_4v>;
+		vin6-supply = <&reg_vcc_4v>;
+		aldoin-supply = <&reg_vcc_4v>;
+		dldoin1-supply = <&buck5>;
+		dldoin2-supply = <&buck5>;
+
+		regulators {
+			buck1_0v9: buck1 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3450000>;
+				regulator-ramp-delay = <5000>;
+				regulator-always-on;
+			};
+
+			buck2 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3450000>;
+				regulator-ramp-delay = <5000>;
+				regulator-always-on;
+			};
+
+			buck3_1v8: buck3 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-ramp-delay = <5000>;
+				regulator-always-on;
+			};
+
+			buck4_3v3: buck4 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-ramp-delay = <5000>;
+				regulator-always-on;
+			};
+
+			buck5: buck5 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3450000>;
+				regulator-ramp-delay = <5000>;
+				regulator-always-on;
+			};
+
+			buck6 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3450000>;
+				regulator-ramp-delay = <5000>;
+				regulator-always-on;
+			};
+
+			aldo1: aldo1 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-boot-on;
+			};
+
+			aldo2 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+			};
+
+			aldo3 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+			};
+
+			aldo4 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+			};
+
+			dldo1 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-boot-on;
+			};
+
+			dldo2 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+			};
+
+			dldo3 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+			};
+
+			dldo4 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-always-on;
+			};
+
+			dldo5 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+			};
+
+			dldo6 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-always-on;
+			};
+
+			dldo7 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3400000>;
+			};
+		};
+	};
+};
+
+&pcie1_phy {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie1_3_cfg>;
+	status = "okay";
+};
+
+&pcie1_port {
+	phys = <&pcie1_phy>;
+	vpcie3v3-supply = <&pcie_vcc_3v3>;
+};
+
+&pcie1 {
+	vpcie3v3-supply = <&pcie_vcc_3v3>;
+	status = "okay";
+};
+
+&pcie2_phy {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie2_4_cfg>;
+	status = "okay";
+};
+
+&pcie2_port {
+	phys = <&pcie2_phy>;
+	vpcie3v3-supply = <&pcie_vcc_3v3>;
+};
+
+&pcie2 {
+	vpcie3v3-supply = <&pcie_vcc_3v3>;
+	status = "okay";
+};
+
+&qspi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&qspi_cfg>;
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <26500000>;
+		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <4>;
+		vcc-supply = <&buck4_3v3>; /* QSPI_VCC1833 */
+		m25p,fast-read;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			bootinfo@0 {
+				reg = <0x0 0x10000>;
+			};
+			private@10000 {
+				reg = <0x10000 0x10000>;
+			};
+			fsbl@20000 {
+				reg = <0x20000 0x40000>;
+			};
+			env@60000 {
+				reg = <0x60000 0x10000>;
+			};
+			opensbi@70000 {
+				reg = <0x70000 0x30000>;
+			};
+			uboot@a0000 {
+				reg = <0xa0000 0x760000>;
+			};
+		};
+	};
+};
+
+&sdhci0 {
+	pinctrl-names = "default", "uhs";
+	pinctrl-0 = <&mmc1_cfg>;
+	pinctrl-1 = <&mmc1_uhs_cfg>;
+	bus-width = <4>;
+	cd-gpios = <&gpio K1_GPIO(80) (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+	no-mmc;
+	no-sdio;
+	disable-wp;
+	cap-sd-highspeed;
+	vmmc-supply = <&buck4_3v3>;
+	vqmmc-supply = <&aldo1>;
+	sd-uhs-sdr25;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_2_cfg>;
+	status = "okay";
+};
+
+&usbphy2 {
+	status = "okay";
+};
+
+&usb_dwc3 {
+	dr_mode = "host";
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	hub_2_0: hub@1 {
+		compatible = "usb2109,2817";
+		reg = <0x1>;
+		vdd-supply = <&usb3_hub_5v>;
+		peer-hub = <&hub_3_0>;
+		reset-gpios = <&gpio K1_GPIO(124) GPIO_ACTIVE_LOW>;
+	};
+
+	hub_3_0: hub@2 {
+		compatible = "usb2109,817";
+		reg = <0x2>;
+		vdd-supply = <&usb3_hub_5v>;
+		peer-hub = <&hub_2_0>;
+		reset-gpios = <&gpio K1_GPIO(124) GPIO_ACTIVE_LOW>;
+	};
+};
diff --git a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
index 3c16d0c20050e..9c4aa4f8a533c 100644
--- a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
@@ -1,471 +1,11 @@
 // SPDX-License-Identifier: GPL-2.0 OR MIT
 /*
- * Copyright (C) 2024 Yangyu Chen <cyy@cyyself.name>
- * Copyright (C) 2025 Javier Martinez Canillas <javierm@redhat.com>
+ * Copyright (C) 2026 Aurelien Jarno <aurelien@aurel32.net>
  */
 
-#include "k1.dtsi"
+#include "k1-milkv-jupiter-common.dtsi"
 #include "k1-opp.dtsi"
-#include "k1-pinctrl.dtsi"
 
 / {
 	model = "Milk-V Jupiter (K1)";
-	compatible = "milkv,jupiter", "spacemit,k1";
-
-	aliases {
-		ethernet0 = &eth0;
-		ethernet1 = &eth1;
-		i2c2 = &i2c2;
-		i2c8 = &i2c8;
-		mmc0 = &emmc;
-		mmc1 = &sdhci0;
-		serial0 = &uart0;
-	};
-
-	chosen {
-		stdout-path = "serial0:115200n8";
-	};
-
-	leds {
-		compatible = "gpio-leds";
-
-		led1 {
-			label = "pwr-led";
-			gpios = <&gpio K1_GPIO(96) GPIO_ACTIVE_HIGH>;
-			linux,default-trigger = "default-on";
-			default-state = "on";
-		};
-
-		led2 {
-			label = "hdd-led";
-			gpios = <&gpio K1_GPIO(92) GPIO_ACTIVE_HIGH>;
-			linux,default-trigger = "disk-activity";
-		};
-	};
-
-	pcie_vcc_3v3: regulator-pcie-vcc3v3 {
-		compatible = "regulator-fixed";
-		regulator-name = "pcie_vcc3v3";
-		regulator-min-microvolt = <3300000>;
-		regulator-max-microvolt = <3300000>;
-		regulator-boot-on;
-		regulator-always-on;
-		vin-supply = <&reg_dc_in>;
-	};
-
-	reg_dc_in: regulator-dc-in-12v {
-		compatible = "regulator-fixed";
-		regulator-name = "dc_in_12v";
-		regulator-min-microvolt = <12000000>;
-		regulator-max-microvolt = <12000000>;
-		regulator-boot-on;
-		regulator-always-on;
-	};
-
-	reg_vcc_4v: regulator-vcc-4v {
-		compatible = "regulator-fixed";
-		regulator-name = "vcc_4v";
-		regulator-min-microvolt = <4000000>;
-		regulator-max-microvolt = <4000000>;
-		regulator-boot-on;
-		regulator-always-on;
-		vin-supply = <&reg_dc_in>;
-	};
-
-	reg_vcc_5v: regulator-vcc-5v {
-		compatible = "regulator-fixed";
-		regulator-name = "vcc_5v";
-		regulator-min-microvolt = <5000000>;
-		regulator-max-microvolt = <5000000>;
-		regulator-boot-on;
-		regulator-always-on;
-		vin-supply = <&reg_dc_in>;
-	};
-
-	regulator-usb3-vbus-5v {
-		compatible = "regulator-fixed";
-		regulator-name = "USB30_VBUS";
-		regulator-min-microvolt = <5000000>;
-		regulator-max-microvolt = <5000000>;
-		regulator-always-on;
-		vin-supply = <&reg_vcc_5v>;
-		gpio = <&gpio K1_GPIO(97) GPIO_ACTIVE_HIGH>;
-		enable-active-high;
-	};
-
-	usb3_hub_5v: regulator-usb3-hub-5v {
-		compatible = "regulator-fixed";
-		regulator-name = "USB30_HUB";
-		regulator-min-microvolt = <5000000>;
-		regulator-max-microvolt = <5000000>;
-		vin-supply = <&reg_vcc_5v>;
-		gpio = <&gpio K1_GPIO(123) GPIO_ACTIVE_HIGH>;
-		enable-active-high;
-	};
-};
-
-&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>;
-};
-
-&emmc {
-	bus-width = <8>;
-	mmc-hs400-1_8v;
-	mmc-hs400-enhanced-strobe;
-	non-removable;
-	no-sd;
-	no-sdio;
-	status = "okay";
-};
-
-&eth0 {
-	phy-handle = <&rgmii0>;
-	phy-mode = "rgmii-id";
-	pinctrl-names = "default";
-	pinctrl-0 = <&gmac0_cfg>, <&gmac0_clk_ref_cfg>;
-	rx-internal-delay-ps = <0>;
-	tx-internal-delay-ps = <0>;
-	status = "okay";
-
-	mdio-bus {
-		#address-cells = <0x1>;
-		#size-cells = <0x0>;
-
-		reset-gpios = <&gpio K1_GPIO(110) GPIO_ACTIVE_LOW>;
-		reset-delay-us = <10000>;
-		reset-post-delay-us = <100000>;
-
-		rgmii0: phy@1 {
-			reg = <0x1>;
-		};
-	};
-};
-
-&eth1 {
-	phy-handle = <&rgmii1>;
-	phy-mode = "rgmii-id";
-	pinctrl-names = "default";
-	pinctrl-0 = <&gmac1_cfg>, <&gmac1_clk_ref_cfg>;
-	rx-internal-delay-ps = <0>;
-	tx-internal-delay-ps = <250>;
-	status = "okay";
-
-	mdio-bus {
-		#address-cells = <0x1>;
-		#size-cells = <0x0>;
-
-		reset-gpios = <&gpio K1_GPIO(115) GPIO_ACTIVE_LOW>;
-		reset-delay-us = <10000>;
-		reset-post-delay-us = <100000>;
-
-		rgmii1: phy@1 {
-			reg = <0x1>;
-		};
-	};
-};
-
-&pdma {
-	status = "okay";
-};
-
-&i2c2 {
-	pinctrl-0 = <&i2c2_0_cfg>;
-	pinctrl-names = "default";
-	status = "okay";
-
-	eeprom@50 {
-		compatible = "atmel,24c04";
-		reg = <0x50>;
-		vcc-supply = <&buck3_1v8>; /* EEPROM_VCC18 */
-		pagesize = <16>;
-		read-only;
-		size = <512>;
-
-		nvmem-layout {
-			compatible = "onie,tlv-layout";
-
-			product-name {
-			};
-		};
-	};
-};
-
-&i2c8 {
-	pinctrl-0 = <&i2c8_cfg>;
-	pinctrl-names = "default";
-	status = "okay";
-
-	pmic@41 {
-		compatible = "spacemit,p1";
-		reg = <0x41>;
-		interrupts = <64>;
-		vin1-supply = <&reg_vcc_4v>;
-		vin2-supply = <&reg_vcc_4v>;
-		vin3-supply = <&reg_vcc_4v>;
-		vin4-supply = <&reg_vcc_4v>;
-		vin5-supply = <&reg_vcc_4v>;
-		vin6-supply = <&reg_vcc_4v>;
-		aldoin-supply = <&reg_vcc_4v>;
-		dldoin1-supply = <&buck5>;
-		dldoin2-supply = <&buck5>;
-
-		regulators {
-			buck1_0v9: buck1 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <3450000>;
-				regulator-ramp-delay = <5000>;
-				regulator-always-on;
-			};
-
-			buck2 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <3450000>;
-				regulator-ramp-delay = <5000>;
-				regulator-always-on;
-			};
-
-			buck3_1v8: buck3 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <1800000>;
-				regulator-ramp-delay = <5000>;
-				regulator-always-on;
-			};
-
-			buck4_3v3: buck4 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <3300000>;
-				regulator-ramp-delay = <5000>;
-				regulator-always-on;
-			};
-
-			buck5: buck5 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <3450000>;
-				regulator-ramp-delay = <5000>;
-				regulator-always-on;
-			};
-
-			buck6 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <3450000>;
-				regulator-ramp-delay = <5000>;
-				regulator-always-on;
-			};
-
-			aldo1: aldo1 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <3400000>;
-				regulator-boot-on;
-			};
-
-			aldo2 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <3400000>;
-			};
-
-			aldo3 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <3400000>;
-			};
-
-			aldo4 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <3400000>;
-			};
-
-			dldo1 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <3400000>;
-				regulator-boot-on;
-			};
-
-			dldo2 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <3400000>;
-			};
-
-			dldo3 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <3400000>;
-			};
-
-			dldo4 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <3400000>;
-				regulator-always-on;
-			};
-
-			dldo5 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <3400000>;
-			};
-
-			dldo6 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <3400000>;
-				regulator-always-on;
-			};
-
-			dldo7 {
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <3400000>;
-			};
-		};
-	};
-};
-
-&pcie1_phy {
-	pinctrl-names = "default";
-	pinctrl-0 = <&pcie1_3_cfg>;
-	status = "okay";
-};
-
-&pcie1_port {
-	phys = <&pcie1_phy>;
-	vpcie3v3-supply = <&pcie_vcc_3v3>;
-};
-
-&pcie1 {
-	vpcie3v3-supply = <&pcie_vcc_3v3>;
-	status = "okay";
-};
-
-&pcie2_phy {
-	pinctrl-names = "default";
-	pinctrl-0 = <&pcie2_4_cfg>;
-	status = "okay";
-};
-
-&pcie2_port {
-	phys = <&pcie2_phy>;
-	vpcie3v3-supply = <&pcie_vcc_3v3>;
-};
-
-&pcie2 {
-	vpcie3v3-supply = <&pcie_vcc_3v3>;
-	status = "okay";
-};
-
-&qspi {
-	pinctrl-names = "default";
-	pinctrl-0 = <&qspi_cfg>;
-	status = "okay";
-
-	flash@0 {
-		compatible = "jedec,spi-nor";
-		reg = <0>;
-		spi-max-frequency = <26500000>;
-		spi-rx-bus-width = <4>;
-		spi-tx-bus-width = <4>;
-		vcc-supply = <&buck4_3v3>; /* QSPI_VCC1833 */
-		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			bootinfo@0 {
-				reg = <0x0 0x10000>;
-			};
-			private@10000 {
-				reg = <0x10000 0x10000>;
-			};
-			fsbl@20000 {
-				reg = <0x20000 0x40000>;
-			};
-			env@60000 {
-				reg = <0x60000 0x10000>;
-			};
-			opensbi@70000 {
-				reg = <0x70000 0x30000>;
-			};
-			uboot@a0000 {
-				reg = <0xa0000 0x760000>;
-			};
-		};
-	};
-};
-
-&sdhci0 {
-	pinctrl-names = "default", "uhs";
-	pinctrl-0 = <&mmc1_cfg>;
-	pinctrl-1 = <&mmc1_uhs_cfg>;
-	bus-width = <4>;
-	cd-gpios = <&gpio K1_GPIO(80) (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
-	no-mmc;
-	no-sdio;
-	disable-wp;
-	cap-sd-highspeed;
-	vmmc-supply = <&buck4_3v3>;
-	vqmmc-supply = <&aldo1>;
-	sd-uhs-sdr25;
-	sd-uhs-sdr50;
-	sd-uhs-sdr104;
-	status = "okay";
-};
-
-&uart0 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&uart0_2_cfg>;
-	status = "okay";
-};
-
-&usbphy2 {
-	status = "okay";
-};
-
-&usb_dwc3 {
-	dr_mode = "host";
-	#address-cells = <1>;
-	#size-cells = <0>;
-	status = "okay";
-
-	hub_2_0: hub@1 {
-		compatible = "usb2109,2817";
-		reg = <0x1>;
-		vdd-supply = <&usb3_hub_5v>;
-		peer-hub = <&hub_3_0>;
-		reset-gpios = <&gpio K1_GPIO(124) GPIO_ACTIVE_LOW>;
-	};
-
-	hub_3_0: hub@2 {
-		compatible = "usb2109,817";
-		reg = <0x2>;
-		vdd-supply = <&usb3_hub_5v>;
-		peer-hub = <&hub_2_0>;
-		reset-gpios = <&gpio K1_GPIO(124) GPIO_ACTIVE_LOW>;
-	};
 };
-- 
2.53.0


^ permalink raw reply related	[flat|nested] 5+ messages in thread
* [PATCH 3/3] riscv: dts: spacemit: Add Milk-V Jupiter board (M1)
  2026-07-28 21:05 [PATCH 0/3] riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter Aurelien Jarno
  2026-07-28 21:05 ` [PATCH 1/3] " Aurelien Jarno
  2026-07-28 21:05 ` [PATCH 2/3] riscv: dts: spacemit: Add a common board dtsi for Milk-V Jupiter boards Aurelien Jarno
@ 2026-07-28 21:05 ` Aurelien Jarno
  2026-07-29  1:32 ` [PATCH 0/3] riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter Yixun Lan
  3 siblings, 0 replies; 5+ messages in thread
From: Aurelien Jarno @ 2026-07-28 21:05 UTC (permalink / raw)
  To: linux-kernel, Rob Herring, Krzysztof Kozlowski, Conor Dooley,
	Yixun Lan, Paul Walmsley, Palmer Dabbelt, Albert Ou,
	Alexandre Ghiti
  Cc: Aurelien Jarno,
	open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
	open list:RISC-V ARCHITECTURE,
	open list:RISC-V SPACEMIT SoC Support

Add support for the Milk-V Jupiter board with the M1 CPU. The M1 differs
from the K1 only by its package, which provides improved cooling
performance and allows it to run at up to 1.8 GHz instead of 1.6 GHz.

Add m1-opp.dtsi to define the 1.8 GHz operating point and the
corresponding core voltage, based on the upstream kernel. Include it
from m1-milkv-jupiter.dts.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---
 arch/riscv/boot/dts/spacemit/Makefile         |   1 +
 .../boot/dts/spacemit/m1-milkv-jupiter.dts    |  11 ++
 arch/riscv/boot/dts/spacemit/m1-opp.dtsi      | 117 ++++++++++++++++++
 3 files changed, 129 insertions(+)
 create mode 100644 arch/riscv/boot/dts/spacemit/m1-milkv-jupiter.dts
 create mode 100644 arch/riscv/boot/dts/spacemit/m1-opp.dtsi

diff --git a/arch/riscv/boot/dts/spacemit/Makefile b/arch/riscv/boot/dts/spacemit/Makefile
index 851b701e5da48..c5c38c17b6ced 100644
--- a/arch/riscv/boot/dts/spacemit/Makefile
+++ b/arch/riscv/boot/dts/spacemit/Makefile
@@ -8,3 +8,4 @@ dtb-$(CONFIG_ARCH_SPACEMIT) += k1-orangepi-rv2.dtb
 dtb-$(CONFIG_ARCH_SPACEMIT) += k3-com260-ifx.dtb
 dtb-$(CONFIG_ARCH_SPACEMIT) += k3-deepcomputing-fml13v05.dtb
 dtb-$(CONFIG_ARCH_SPACEMIT) += k3-pico-itx.dtb
+dtb-$(CONFIG_ARCH_SPACEMIT) += m1-milkv-jupiter.dtb
diff --git a/arch/riscv/boot/dts/spacemit/m1-milkv-jupiter.dts b/arch/riscv/boot/dts/spacemit/m1-milkv-jupiter.dts
new file mode 100644
index 0000000000000..32e1468385ca0
--- /dev/null
+++ b/arch/riscv/boot/dts/spacemit/m1-milkv-jupiter.dts
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2026 Aurelien Jarno <aurelien@aurel32.net>
+ */
+
+#include "k1-milkv-jupiter-common.dtsi"
+#include "m1-opp.dtsi"
+
+/ {
+	model = "Milk-V Jupiter (M1)";
+};
diff --git a/arch/riscv/boot/dts/spacemit/m1-opp.dtsi b/arch/riscv/boot/dts/spacemit/m1-opp.dtsi
new file mode 100644
index 0000000000000..38e0ce7765a2b
--- /dev/null
+++ b/arch/riscv/boot/dts/spacemit/m1-opp.dtsi
@@ -0,0 +1,117 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/ {
+	cluster0_opp_table: opp-table-cluster0 {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		opp-614400000 {
+			opp-hz = /bits/ 64 <614400000>;
+			opp-microvolt = <950000 950000 1160000>;
+			clock-latency-ns = <200000>;
+		};
+
+		opp-819000000 {
+			opp-hz = /bits/ 64 <819000000>;
+			opp-microvolt = <950000 950000 1160000>;
+			clock-latency-ns = <200000>;
+		};
+
+		opp-1000000000 {
+			opp-hz = /bits/ 64 <1000000000>;
+			opp-microvolt = <950000 950000 1160000>;
+			clock-latency-ns = <200000>;
+		};
+
+		opp-1228800000 {
+			opp-hz = /bits/ 64 <1228800000>;
+			opp-microvolt = <950000 950000 1160000>;
+			clock-latency-ns = <200000>;
+		};
+
+		opp-1600000000 {
+			opp-hz = /bits/ 64 <1600000000>;
+			opp-microvolt = <1050000 1050000 1160000>;
+			clock-latency-ns = <200000>;
+		};
+
+		opp-1800000000 {
+			opp-hz = /bits/ 64 <1800000000>;
+			opp-microvolt = <1160000 1160000 1160000>;
+			clock-latency-ns = <200000>;
+		};
+	};
+
+	cluster1_opp_table: opp-table-cluster1 {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		opp-614400000 {
+			opp-hz = /bits/ 64 <614400000>;
+			opp-microvolt = <950000 950000 1160000>;
+			clock-latency-ns = <200000>;
+		};
+
+		opp-819000000 {
+			opp-hz = /bits/ 64 <819000000>;
+			opp-microvolt = <950000 950000 1160000>;
+			clock-latency-ns = <200000>;
+		};
+
+		opp-1000000000 {
+			opp-hz = /bits/ 64 <1000000000>;
+			opp-microvolt = <950000 950000 1160000>;
+			clock-latency-ns = <200000>;
+		};
+
+		opp-1228800000 {
+			opp-hz = /bits/ 64 <1228800000>;
+			opp-microvolt = <950000 950000 1160000>;
+			clock-latency-ns = <200000>;
+		};
+
+		opp-1600000000 {
+			opp-hz = /bits/ 64 <1600000000>;
+			opp-microvolt = <1050000 1050000 1160000>;
+			clock-latency-ns = <200000>;
+		};
+
+		opp-1800000000 {
+			opp-hz = /bits/ 64 <1800000000>;
+			opp-microvolt = <1160000 1160000 1160000>;
+			clock-latency-ns = <200000>;
+		};
+	};
+};
+
+&cpu_0 {
+	operating-points-v2 = <&cluster0_opp_table>;
+};
+
+&cpu_1 {
+	operating-points-v2 = <&cluster0_opp_table>;
+};
+
+&cpu_2 {
+	operating-points-v2 = <&cluster0_opp_table>;
+};
+
+&cpu_3 {
+	operating-points-v2 = <&cluster0_opp_table>;
+};
+
+&cpu_4 {
+	operating-points-v2 = <&cluster1_opp_table>;
+};
+
+&cpu_5 {
+	operating-points-v2 = <&cluster1_opp_table>;
+};
+
+&cpu_6 {
+	operating-points-v2 = <&cluster1_opp_table>;
+};
+
+&cpu_7 {
+	operating-points-v2 = <&cluster1_opp_table>;
+};
-- 
2.53.0


^ permalink raw reply related	[flat|nested] 5+ messages in thread
* Re: [PATCH 0/3] riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter
  2026-07-28 21:05 [PATCH 0/3] riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter Aurelien Jarno
                   ` (2 preceding siblings ...)
  2026-07-28 21:05 ` [PATCH 3/3] riscv: dts: spacemit: Add Milk-V Jupiter board (M1) Aurelien Jarno
@ 2026-07-29  1:32 ` Yixun Lan
  3 siblings, 0 replies; 5+ messages in thread
From: Yixun Lan @ 2026-07-29  1:32 UTC (permalink / raw)
  To: Aurelien Jarno
  Cc: linux-kernel, Paul Walmsley, Palmer Dabbelt, Albert Ou,
	Alexandre Ghiti, open list:RISC-V ARCHITECTURE:Keyword:riscv,
	open list:RISC-V SPACEMIT SoC Support:Keyword:spacemit

Hi Aurelien,

On 23:05 Tue 28 Jul     , Aurelien Jarno wrote:
> This series adds cpu scaling support for the Milk-V Jupiter boards.
> 
> The first commit adds it to the existing "Milk-V Jupiter (K1)" board.
> 
> The two following commits add a "Milk-V Jupiter (M1)" board, by moving
> the common part, i.e. everything but the model name and the operating
> point tables, in a shared DTSI file. This file is then included for both
> K1 and M1 variants.
> 
> CPU frequency scaling was verified up to 1.8 GHz on the M1 board.
> 
Looks good to me, will queue for v7.3, thanks

Reviewed-by: Yixun Lan <dlan@kernel.org>

> Aurelien Jarno (3):
>   riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter
>   riscv: dts: spacemit: Add a common board dtsi for Milk-V Jupiter
>     boards
>   riscv: dts: spacemit: Add Milk-V Jupiter board (M1)
> 
>  arch/riscv/boot/dts/spacemit/Makefile         |   1 +
>  .../dts/spacemit/k1-milkv-jupiter-common.dtsi | 469 ++++++++++++++++++
>  .../boot/dts/spacemit/k1-milkv-jupiter.dts    | 433 +---------------
>  .../boot/dts/spacemit/m1-milkv-jupiter.dts    |  11 +
>  arch/riscv/boot/dts/spacemit/m1-opp.dtsi      | 117 +++++
>  5 files changed, 601 insertions(+), 430 deletions(-)
>  create mode 100644 arch/riscv/boot/dts/spacemit/k1-milkv-jupiter-common.dtsi
>  create mode 100644 arch/riscv/boot/dts/spacemit/m1-milkv-jupiter.dts
>  create mode 100644 arch/riscv/boot/dts/spacemit/m1-opp.dtsi
> 
> -- 
> 2.53.0
> 

-- 
Yixun Lan (dlan)

^ permalink raw reply	[flat|nested] 5+ messages in thread
end of thread, other threads:[~2026-07-29  1:32 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2026-07-28 21:05 [PATCH 0/3] riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter Aurelien Jarno
2026-07-28 21:05 ` [PATCH 1/3] " Aurelien Jarno
2026-07-28 21:05 ` [PATCH 2/3] riscv: dts: spacemit: Add a common board dtsi for Milk-V Jupiter boards Aurelien Jarno
2026-07-28 21:05 ` [PATCH 3/3] riscv: dts: spacemit: Add Milk-V Jupiter board (M1) Aurelien Jarno
2026-07-29  1:32 ` [PATCH 0/3] riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter Yixun Lan

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