[PATCH 2/3] riscv: dts: spacemit: k3-deepcomputing-fml13v05: add USB controller and USB phy support

From: Sandie Cao

Date: Tue Sep 22 2026 - 07:06:02 EST


Add USB device node (b, c, d) to DeepComputing FML13V05 board.
USB A works on otg mode, it isn't configured currently.
- 4 USB-C Ports
- Port 1: PD 3.0 (65W Max), USB 3.2 Gen 1
- Port 2: PD 3.0 (65W Max), USB 3.2 Gen 1, DP 1.4 (4K@60Hz)
- Port 3 & 4: USB 3.2 Gen 1

Signed-off-by: Sandie Cao <sandie.cao@xxxxxxxxxxxxxxxx>
---
.../spacemit/k3-deepcomputing-fml13v05.dts | 44 +++++++++++++
arch/riscv/boot/dts/spacemit/k3.dtsi | 66 +++++++++++++++++++
2 files changed, 110 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k3-deepcomputing-fml13v05.dts b/arch/riscv/boot/dts/spacemit/k3-deepcomputing-fml13v05.dts
index 804abc85602a..55b0f63dcb2e 100644
--- a/arch/riscv/boot/dts/spacemit/k3-deepcomputing-fml13v05.dts
+++ b/arch/riscv/boot/dts/spacemit/k3-deepcomputing-fml13v05.dts
@@ -179,8 +179,52 @@ dldo7: dldo7 {
};
};

+&combophy {
+ spacemit,apmu = <&syscon_apmu 0x17>;
+ status = "okay";
+};
+
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_0_cfg>;
status = "okay";
};
+
+&usb2_host {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ hub@1 {
+ compatible = "usb5e3,608";
+ reg = <1>;
+ };
+};
+
+&usb2_phy {
+ status = "okay";
+};
+
+&usb3b_u2phy {
+ status = "okay";
+};
+
+&usb3b {
+ status = "okay";
+};
+
+&usb3c_u2phy {
+ status = "okay";
+};
+
+&usb3c {
+ status = "okay";
+};
+
+&usb3d_u2phy {
+ status = "okay";
+};
+
+&usb3d {
+ status = "okay";
+};
diff --git a/arch/riscv/boot/dts/spacemit/k3.dtsi b/arch/riscv/boot/dts/spacemit/k3.dtsi
index b9977e78e096..ae3f8bb1e5ed 100644
--- a/arch/riscv/boot/dts/spacemit/k3.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k3.dtsi
@@ -441,6 +441,72 @@ soc: soc {
dma-noncoherent;
ranges;

+ usb3b: usb@81400000 {
+ compatible = "spacemit,k3-dwc3";
+ reg = <0x0 0x81400000 0x0 0x10000>;
+ interrupts = <125 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-parent = <&saplic>;
+ clocks = <&syscon_apmu CLK_APMU_USB3_PORTB_BUS>;
+ clock-names = "usbdrd30";
+ resets = <&syscon_apmu RESET_APMU_USB3_B_AHB>,
+ <&syscon_apmu RESET_APMU_USB3_B_VCC>,
+ <&syscon_apmu RESET_APMU_USB3_B_PHY>;
+ reset-names = "ahb", "vcc", "phy";
+ phys = <&usb3b_u2phy>,
+ <&combophy 2 PHY_TYPE_USB3>;
+ phy-names = "usb2-phy", "usb3-phy";
+ phy_type = "utmi";
+ snps,dis_enblslpm_quirk;
+ snps,dis_u2_susphy_quirk;
+ snps,dis_u3_susphy_quirk;
+ snps,dis-del-phy-power-chg-quirk;
+ snps,dis-tx-ipgap-linecheck-quirk;
+ snps,parkmode-disable-ss-quirk;
+ dr_mode = "host";
+ status = "disabled";
+ };
+
+ usb3b_u2phy: phy@81500000 {
+ compatible = "spacemit,k3-usb2-phy";
+ reg = <0x0 0x81500000 0x0 0x200>;
+ clocks = <&syscon_apmu CLK_APMU_USB2_BUS>;
+ #phy-cells = <0>;
+ status = "disabled";
+ };
+
+ usb3c: usb@81700000 {
+ compatible = "spacemit,k3-dwc3";
+ reg = <0x0 0x81700000 0x0 0x10000>;
+ interrupts = <148 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-parent = <&saplic>;
+ clocks = <&syscon_apmu CLK_APMU_USB3_PORTC_BUS>;
+ clock-names = "usbdrd30";
+ resets = <&syscon_apmu RESET_APMU_USB3_C_AHB>,
+ <&syscon_apmu RESET_APMU_USB3_C_VCC>,
+ <&syscon_apmu RESET_APMU_USB3_C_PHY>;
+ reset-names = "ahb", "vcc", "phy";
+ phys = <&usb3c_u2phy>,
+ <&combophy 3 PHY_TYPE_USB3>;
+ phy-names = "usb2-phy", "usb3-phy";
+ phy_type = "utmi";
+ snps,dis_enblslpm_quirk;
+ snps,dis_u2_susphy_quirk;
+ snps,dis_u3_susphy_quirk;
+ snps,dis-del-phy-power-chg-quirk;
+ snps,dis-tx-ipgap-linecheck-quirk;
+ snps,parkmode-disable-ss-quirk;
+ dr_mode = "host";
+ status = "disabled";
+ };
+
+ usb3c_u2phy: phy@81800000 {
+ compatible = "spacemit,k3-usb2-phy";
+ reg = <0x0 0x81800000 0x0 0x200>;
+ clocks = <&syscon_apmu CLK_APMU_USB2_BUS>;
+ #phy-cells = <0>;
+ status = "disabled";
+ };
+
usb3d: usb@81a00000 {
compatible = "spacemit,k3-dwc3";
reg = <0x0 0x81a00000 0x0 0x10000>;
--
2.43.0