[PATCH 1/2] riscv: dts: spacemit: k3: add USB controller and USB phy support
Inochi Amaoto
inochiama at gmail.com
Wed Jul 8 21:04:13 PDT 2026
Add all USB device node to the Spacemit K3.
Signed-off-by: Inochi Amaoto <inochiama at gmail.com>
---
arch/riscv/boot/dts/spacemit/k3-pico-itx.dts | 13 ++++++
arch/riscv/boot/dts/spacemit/k3.dtsi | 42 ++++++++++++++++++++
2 files changed, 55 insertions(+)
diff --git a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts
index b89c1521e664..2a6d35a64d5c 100644
--- a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts
+++ b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts
@@ -182,6 +182,11 @@ dldo7: dldo7 {
};
};
+&combophy {
+ spacemit,apmu = <&syscon_apmu 0x11>;
+ status = "okay";
+};
+
ð0 {
pinctrl-names = "default";
pinctrl-0 = <&gmac0_rgmii_0_cfg>, <&gmac0_phy_0_cfg>;
@@ -221,3 +226,11 @@ hub at 1 {
&usb2_phy {
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 19fc9b49668e..82c9e2da82e9 100644
--- a/arch/riscv/boot/dts/spacemit/k3.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k3.dtsi
@@ -7,6 +7,7 @@
#include <dt-bindings/clock/spacemit,k3-clocks.h>
#include <dt-bindings/reset/spacemit,k3-resets.h>
#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/phy/phy.h>
/dts-v1/;
@@ -438,6 +439,47 @@ soc: soc {
dma-noncoherent;
ranges;
+ usb3d: usb at 81a00000 {
+ compatible = "spacemit,k3-dwc3";
+ reg = <0x0 0x81a00000 0x0 0x10000>;
+ interrupts = <149 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-parent = <&saplic>;
+ clocks = <&syscon_apmu CLK_APMU_USB3_PORTD_BUS>;
+ clock-names = "usbdrd30";
+ resets = <&syscon_apmu RESET_APMU_USB3_D_AHB>,
+ <&syscon_apmu RESET_APMU_USB3_D_VCC>,
+ <&syscon_apmu RESET_APMU_USB3_D_PHY>;
+ reset-names = "ahb", "vcc", "phy";
+ phys = <&usb3d_u2phy>,
+ <&combophy 4 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";
+ };
+
+ usb3d_u2phy: phy at 81b00000 {
+ compatible = "spacemit,k3-usb2-phy";
+ reg = <0x0 0x81b00000 0x0 0x200>;
+ clocks = <&syscon_apmu CLK_APMU_USB2_BUS>;
+ #phy-cells = <0>;
+ status = "disabled";
+ };
+
+ combophy: phy at 81d00000 {
+ compatible = "spacemit,k3-combo-phy";
+ reg = <0x0 0x81d00000 0x0 0x600000>;
+ #phy-cells = <2>;
+ spacemit,apb-spare = <&pll>;
+ status = "disabled";
+ };
+
usb2_host: usb at c0a00000 {
compatible = "spacemit,k3-dwc3";
reg = <0x0 0xc0a00000 0x0 0x10000>;
--
2.55.0
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