[PATCH v3 0/3] riscv: dts: spacemit: enable USB3 on OrangePi

[PATCH v3 0/3] riscv: dts: spacemit: enable USB3 on OrangePi

[Chukun Pan]

Changes in v3:
- Drop OrangePi RV2 part to avoid conflicts
- Link to v2: https://lore.kernel.org/lkml/20260402100007.110201-1-amadeus@jmu.edu.cn/

Changes in v2:
- Drop common board dtsi and PCIe regulator
- Enable USB3 on OrangePi R2S and RV2 boards
- Link to v1: https://lore.kernel.org/lkml/20260116100001.208334-2-amadeus@jmu.edu.cn/

The schematic of OrangePi RV2 is available at:
https://drive.google.com/drive/folders/1pcI_U0C3VJKTCg8A1zj08CwNbohnONSR

Chukun Pan (2):
  riscv: dts: spacemit: add fixed regulators for OrangePi R2S
  riscv: dts: spacemit: enable USB3 on OrangePi R2S

 .../boot/dts/spacemit/k1-orangepi-r2s.dts     | 43 +++++++++++++++++++
 1 file changed, 43 insertions(+)

-- 
2.34.1

[PATCH v3 1/2] riscv: dts: spacemit: add fixed regulators for OrangePi R2S

[Chukun Pan]

Define the power input and the 4V power as fixed regulator supplies.

Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
---
 .../boot/dts/spacemit/k1-orangepi-r2s.dts     | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
index de75f6aac740..409a6db269ae 100644
--- a/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
@@ -21,6 +21,25 @@ aliases {
 	chosen {
 		stdout-path = "serial0";
 	};
+
+	vcc_5v0: regulator-vcc-5v0 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_5v0";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	vcc4v0: regulator-vcc4v0 {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc4v0";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <4000000>;
+		regulator-max-microvolt = <4000000>;
+		vin-supply = <&vcc_5v0>;
+	};
 };
 
 &emmc {
-- 
2.34.1

[PATCH v3 2/2] riscv: dts: spacemit: enable USB3 on OrangePi R2S

[Chukun Pan]

Enable the DWC3 USB3.0 controller and its associated PHY on the
OrangePi R2S. The USB regulator provides VBUS for USB2 and USB3
ports, but the USB2 ports are handled by a separate controller.

Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
---
 .../boot/dts/spacemit/k1-orangepi-r2s.dts     | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
index 409a6db269ae..bc68721e6263 100644
--- a/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
@@ -40,6 +40,20 @@ vcc4v0: regulator-vcc4v0 {
 		regulator-max-microvolt = <4000000>;
 		vin-supply = <&vcc_5v0>;
 	};
+
+	vcc5v0_usb: regulator-vcc5v0-usb {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpios = <&gpio K1_GPIO(126) GPIO_ACTIVE_HIGH>;
+		regulator-name = "vcc5v0_usb";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc_5v0>;
+	};
+};
+
+&combo_phy {
+	status = "okay";
 };
 
 &emmc {
@@ -109,3 +123,13 @@ &uart0 {
 	pinctrl-0 = <&uart0_2_cfg>;
 	status = "okay";
 };
+
+&usbphy2 {
+	status = "okay";
+};
+
+&usb_dwc3 {
+	dr_mode = "host";
+	vbus-supply = <&vcc5v0_usb>;
+	status = "okay";
+};
-- 
2.34.1

Re: [PATCH v3 0/3] riscv: dts: spacemit: enable USB3 on OrangePi

[Chukun Pan]

Hi,

>   riscv: dts: spacemit: add fixed regulators for OrangePi R2S
>   riscv: dts: spacemit: enable USB3 on OrangePi R2S

Friendly ping

Re: [PATCH v3 0/3] riscv: dts: spacemit: enable USB3 on OrangePi

[Chukun Pan]

Hi,

>   riscv: dts: spacemit: add fixed regulators for OrangePi R2S
>   riscv: dts: spacemit: enable USB3 on OrangePi R2S

Ping... This patch seems to have been forgotten.