Add the pmic glink node linked with the DWC3 USB controller
switched to OTG mode and tagged with usb-role-switch.

Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/sm8450-qrd.dts | 54 ++++++++++++++++++++++++-
 1 file changed, 53 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8450-qrd.dts b/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
index 8c39fbcaad80..0580408485eb 100644
--- a/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
+++ b/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
@@ -37,6 +37,49 @@ vph_pwr: vph-pwr-regulator {
 		regulator-always-on;
 		regulator-boot-on;
 	};
+
+	pmic-glink {
+		compatible = "qcom,sm8450-pmic-glink", "qcom,pmic-glink";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		orientation-gpios = <&tlmm 91 GPIO_ACTIVE_HIGH>;
+
+		connector@0 {
+			compatible = "usb-c-connector";
+			reg = <0>;
+			power-role = "dual";
+			data-role = "dual";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+
+					pmic_glink_hs_in: endpoint {
+						remote-endpoint = <&usb_1_dwc3_hs>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+
+					pmic_glink_ss_in: endpoint {
+						remote-endpoint = <&usb_1_qmpphy_out>;
+					};
+				};
+
+				port@2 {
+					reg = <2>;
+
+					pmic_glink_sbu: endpoint {
+					};
+				};
+
+			};
+		};
+	};
 };
 
 &apps_rsc {
@@ -462,7 +505,12 @@ &usb_1 {
 };
 
 &usb_1_dwc3 {
-	dr_mode = "peripheral";
+	dr_mode = "otg";
+	usb-role-switch;
+};
+
+&usb_1_dwc3_hs {
+	remote-endpoint = <&pmic_glink_hs_in>;
 };
 
 &usb_1_hsphy {
@@ -487,3 +535,7 @@ &usb_1_qmpphy {
 	vdda-phy-supply = <&vreg_l6b_1p2>;
 	vdda-pll-supply = <&vreg_l1b_0p91>;
 };
+
+&usb_1_qmpphy_out {
+	remote-endpoint = <&pmic_glink_ss_in>;
+};
-- 
2.34.1

On Tue, Jun 10, 2025 at 02:48:04PM +0530, Krishna Kurapati wrote:
> Add the pmic glink node linked with the DWC3 USB controller
> switched to OTG mode and tagged with usb-role-switch.
> 
> Signed-off-by: Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/sm8450-qrd.dts | 54 ++++++++++++++++++++++++-
>  1 file changed, 53 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8450-qrd.dts b/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
> index 8c39fbcaad80..0580408485eb 100644
> --- a/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8450-qrd.dts
> @@ -37,6 +37,49 @@ vph_pwr: vph-pwr-regulator {
>  		regulator-always-on;
>  		regulator-boot-on;
>  	};
> +
> +	pmic-glink {
> +		compatible = "qcom,sm8450-pmic-glink", "qcom,pmic-glink";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		orientation-gpios = <&tlmm 91 GPIO_ACTIVE_HIGH>;
> +
> +		connector@0 {
> +			compatible = "usb-c-connector";
> +			reg = <0>;
> +			power-role = "dual";
> +			data-role = "dual";
> +
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@0 {
> +					reg = <0>;
> +
> +					pmic_glink_hs_in: endpoint {
> +						remote-endpoint = <&usb_1_dwc3_hs>;
> +					};
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +
> +					pmic_glink_ss_in: endpoint {
> +						remote-endpoint = <&usb_1_qmpphy_out>;
> +					};
> +				};
> +
> +				port@2 {
> +					reg = <2>;
> +
> +					pmic_glink_sbu: endpoint {
> +					};
> +				};
> +
> +			};
> +		};
> +	};
>  };
>  
>  &apps_rsc {
> @@ -462,7 +505,12 @@ &usb_1 {
>  };
>  
>  &usb_1_dwc3 {
> -	dr_mode = "peripheral";
> +	dr_mode = "otg";

It should be a default, you can drop it.

> +	usb-role-switch;

This should go to sm8450.dtsi

> +};
> +
> +&usb_1_dwc3_hs {
> +	remote-endpoint = <&pmic_glink_hs_in>;
>  };
>  
>  &usb_1_hsphy {
> @@ -487,3 +535,7 @@ &usb_1_qmpphy {
>  	vdda-phy-supply = <&vreg_l6b_1p2>;
>  	vdda-pll-supply = <&vreg_l1b_0p91>;
>  };
> +
> +&usb_1_qmpphy_out {
> +	remote-endpoint = <&pmic_glink_ss_in>;
> +};
> -- 
> 2.34.1
> 

-- 
With best wishes
Dmitry