[PATCH v2 1/3] riscv: dts: spacemit: Add USB2 PHY node for K1
Ze Huang
huang.ze at linux.dev
Wed Jan 7 04:05:30 PST 2026
K1's DWC3 USB 3.0 controller requires two separate PHYs to function:
the USB 3.0 combophy (for SuperSpeed) and a USB 2.0 PHY (for High-Speed,
Full-Speed, etc.).
Add node for this second USB 2.0 PHY (usbphy2).
Tested-by: Aurelien Jarno <aurelien at aurel32.net>
Signed-off-by: Ze Huang <huang.ze at linux.dev>
---
arch/riscv/boot/dts/spacemit/k1.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi
index 86d1db14e2ee..b44149f4f076 100644
--- a/arch/riscv/boot/dts/spacemit/k1.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1.dtsi
@@ -424,6 +424,14 @@ i2c5: i2c at d4013800 {
status = "disabled";
};
+ usbphy2: phy at c0a30000 {
+ compatible = "spacemit,k1-usb2-phy";
+ reg = <0x0 0xc0a30000 0x0 0x200>;
+ clocks = <&syscon_apmu CLK_USB30>;
+ #phy-cells = <0>;
+ status = "disabled";
+ };
+
combo_phy: phy at c0b10000 {
compatible = "spacemit,k1-combo-phy";
reg = <0x0 0xc0b10000 0x0 0x1000>;
--
2.52.0
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