[PATCH] arm64: dts: qcom: hamoa-iot-evk: Enable retimer on USB0 port

From: Prashanth K

Date: Wed Apr 22 2026 - 05:42:21 EST


Add the retimer for usb_1_ss0 port (USB0), in order to enable
super-speed enumeration on that port.

Fixes: c11645afb0e2 ("arm64: dts: qcom: Add base HAMOA-IOT-EVK board")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Prashanth K <prashanth.k@xxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts | 54 +++++++++++++++++++++-
1 file changed, 52 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
index 460f27dcd6f6..a9ad05bef5d6 100644
--- a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
+++ b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
@@ -118,7 +118,7 @@ port@1 {
reg = <1>;

pmic_glink_ss0_ss_in: endpoint {
- remote-endpoint = <&usb_1_ss0_qmpphy_out>;
+ remote-endpoint = <&retimer_ss0_ss_out>;
};
};

@@ -785,6 +785,56 @@ retimer_ss2_con_sbu_out: endpoint {
};
};

+&i2c3 {
+ clock-frequency = <400000>;
+
+ status = "okay";
+
+ typec-mux@8 {
+ compatible = "parade,ps8830";
+ reg = <0x08>;
+
+ clocks = <&rpmhcc RPMH_RF_CLK3>;
+
+ vdd-supply = <&vreg_rtmr0_1p15>;
+ vdd33-supply = <&vreg_rtmr0_3p3>;
+ vdd33-cap-supply = <&vreg_rtmr0_3p3>;
+ vddar-supply = <&vreg_rtmr0_1p15>;
+ vddat-supply = <&vreg_rtmr0_1p15>;
+ vddio-supply = <&vreg_rtmr0_1p8>;
+
+ reset-gpios = <&pm8550_gpios 10 GPIO_ACTIVE_LOW>;
+
+ pinctrl-0 = <&rtmr0_default>;
+ pinctrl-names = "default";
+
+ retimer-switch;
+ orientation-switch;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ retimer_ss0_ss_out: endpoint {
+ remote-endpoint = <&pmic_glink_ss0_ss_in>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ retimer_ss0_ss_in: endpoint {
+ remote-endpoint = <&usb_1_ss0_qmpphy_out>;
+ };
+ };
+
+ };
+ };
+};
+
&i2c5 {
clock-frequency = <400000>;

@@ -1541,7 +1591,7 @@ &usb_1_ss0_hsphy {
};

&usb_1_ss0_qmpphy_out {
- remote-endpoint = <&pmic_glink_ss0_ss_in>;
+ remote-endpoint = <&retimer_ss0_ss_in>;
};

&usb_1_ss1_dwc3_hs {
--
2.34.1