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Message-ID: <CAHz4bYvVfQke_aUx_mVO2QkCc5yr_1Cn35N6hPi1if=X7iM3+g@mail.gmail.com>
Date: Tue, 13 Jan 2026 13:32:41 +0530
From: Swati Agarwal <swati.agarwal@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Icenowy Zheng <uwu@...nowy.me>,
Matthias Kaehlcke <mka@...omium.org>,
J . Neuschäfer <j.ne@...teo.net>,
Jens Glathe <jens.glathe@...schoolsolutions.biz>,
Mike Looijmans <mike.looijmans@...ic.nl>,
Catalin Popescu <catalin.popescu@...ca-geosystems.com>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>,
Pin-yen Lin <treapking@...omium.org>, linux-usb@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v3 4/4] arm64: dts: qcom: lemans-evk: Enable secondary USB
controller in host mode
On Sat, Dec 20, 2025 at 9:47 PM Dmitry Baryshkov
<dmitry.baryshkov@....qualcomm.com> wrote:
>
> On Sat, Dec 20, 2025 at 12:05:37PM +0530, Swati Agarwal wrote:
> > Enable secondary USB controller in host mode on lemans EVK Platform.
> >
> > For secondary USB Typec port, there is a genesys USB HUB GL3590 having 4
> > ports sitting in between SOC and HD3SS3220 Type-C port controller and SS
> > lines run from the SoC through the hub to the Port controller. Mark the
> > second USB controller as host only capable.
> >
> > Add HD3SS3220 Type-C port controller along with Type-c connector for
> > controlling vbus supply.
> >
> > Signed-off-by: Swati Agarwal <swati.agarwal@....qualcomm.com>
> > ---
> > arch/arm64/boot/dts/qcom/lemans-evk.dts | 158 ++++++++++++++++++++++++
> > 1 file changed, 158 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/lemans-evk.dts b/arch/arm64/boot/dts/qcom/lemans-evk.dts
> > index 70d85b6ba772..d72639479d75 100644
> > --- a/arch/arm64/boot/dts/qcom/lemans-evk.dts
> > +++ b/arch/arm64/boot/dts/qcom/lemans-evk.dts
> > @@ -67,6 +67,47 @@ usb0_con_ss_ep: endpoint {
> > };
> > };
> >
> > + connector-1 {
> > + compatible = "usb-c-connector";
> > + label = "USB1-Type-C";
> > + data-role = "host";
> > + power-role = "dual";
> > + try-power-role = "source";
> > +
> > + vbus-supply = <&vbus_supply_regulator_1>;
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > +
> > + usb1_con_ss_ep: endpoint {
> > + remote-endpoint = <&hd3ss3220_1_in_ep>;
> > + };
> > + };
> > +
> > + port@1 {
> > + reg = <1>;
> > +
> > + usb1_hs_in: endpoint {
> > + remote-endpoint = <&usb_hub_2_1>;
> > + };
> > +
> > + };
> > +
> > + port@2 {
> > + reg = <2>;
> > +
> > + usb1_ss_in: endpoint {
> > + remote-endpoint = <&usb_hub_3_1>;
> > + };
> > +
> > + };
> > + };
> > + };
> > +
> > edp0-connector {
> > compatible = "dp-connector";
> > label = "EDP0";
> > @@ -140,6 +181,16 @@ vbus_supply_regulator_0: regulator-vbus-supply-0 {
> > enable-active-high;
> > };
> >
> > + vbus_supply_regulator_1: regulator-vbus-supply-1 {
> > + compatible = "regulator-fixed";
> > + regulator-name = "vbus_supply_1";
> > + gpio = <&expander1 3 GPIO_ACTIVE_HIGH>;
> > + regulator-min-microvolt = <5000000>;
> > + regulator-max-microvolt = <5000000>;
> > + regulator-boot-on;
> > + enable-active-high;
> > + };
> > +
> > vmmc_sdc: regulator-vmmc-sdc {
> > compatible = "regulator-fixed";
> >
> > @@ -527,6 +578,33 @@ hd3ss3220_0_out_ep: endpoint {
> > };
> > };
> > };
> > +
> > + usb-typec@47 {
> > + compatible = "ti,hd3ss3220";
> > + reg = <0x47>;
> > +
> > + interrupts-extended = <&pmm8654au_2_gpios 6 IRQ_TYPE_EDGE_FALLING>;
> > +
> > + id-gpios = <&tlmm 51 GPIO_ACTIVE_HIGH>;
> > +
> > + pinctrl-0 = <&usb1_id>, <&usb1_intr>;
> > + pinctrl-names = "default";
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > +
> > + hd3ss3220_1_in_ep: endpoint {
> > + remote-endpoint = <&usb1_con_ss_ep>;
> > + };
> > + };
> > +
> > + };
> > + };
> > +
> > };
> >
> > &i2c18 {
> > @@ -690,6 +768,14 @@ usb0_intr_state: usb0-intr-state {
> > bias-pull-up;
> > power-source = <0>;
> > };
> > +
> > + usb1_intr: usb1-intr-state {
> > + pins = "gpio6";
> > + function = "normal";
> > + input-enable;
> > + bias-pull-up;
> > + power-source = <0>;
> > + };
> > };
> >
> > &qup_i2c19_default {
> > @@ -849,6 +935,12 @@ usb_id: usb-id-state {
> > function = "gpio";
> > bias-pull-up;
> > };
> > +
> > + usb1_id: usb1-id-state {
> > + pins = "gpio51";
> > + function = "gpio";
> > + bias-pull-up;
> > + };
> > };
> >
> > &uart10 {
> > @@ -903,6 +995,72 @@ &usb_0_qmpphy {
> > status = "okay";
> > };
> >
> > +&usb_1 {
> > + dr_mode = "host";
> > +
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + status = "okay";
> > +
> > + usb_hub_2_x: hub@1 {
> > + compatible = "usb5e3,610";
> > + reg = <1>;
> > + peer-hub = <&usb_hub_3_x>;
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@1 {
> > + reg = <1>;
> > +
> > + usb_hub_2_1: endpoint {
> > + remote-endpoint = <&usb1_hs_in>;
> > + };
>
> Are all other ports disconnected? If so, why do we need a hub?
Hi Dmitry,
I didn't understand your query, can you give more context to it?
Regards,
Swati
>
> > + };
> > +
> > + };
> > + };
> > +
> > + usb_hub_3_x: hub@2 {
> > + compatible = "usb5e3,625";
> > + reg = <2>;
> > + peer-hub = <&usb_hub_2_x>;
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@1 {
> > + reg = <1>;
> > +
> > + usb_hub_3_1: endpoint {
> > + remote-endpoint = <&usb1_ss_in>;
> > + };
> > + };
> > +
> > + };
> > + };
> > +};
> > +
> > +&usb_1_hsphy {
> > + vdda-pll-supply = <&vreg_l7a>;
> > + vdda18-supply = <&vreg_l6c>;
> > + vdda33-supply = <&vreg_l9a>;
> > +
> > + status = "okay";
> > +};
> > +
> > +&usb_1_qmpphy {
> > + vdda-phy-supply = <&vreg_l1c>;
> > + vdda-pll-supply = <&vreg_l7a>;
> > +
> > + status = "okay";
> > +};
> > +
> > &xo_board_clk {
> > clock-frequency = <38400000>;
> > };
> > --
> > 2.34.1
> >
>
> --
> With best wishes
> Dmitry
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