linux-kernel - [PATCH v2 1/2] arm64: dts: qcom: sm8450-qrd: add pmic glink node

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Message-Id: <20250610091805.2997546-2-krishna.kurapati@oss.qualcomm.com>
Date: Tue, 10 Jun 2025 14:48:04 +0530
From: Krishna Kurapati <krishna.kurapati@....qualcomm.com>
To: Krzysztof Kozlowski <krzk+dt@...nel.org>, Rob Herring <robh@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Krishna Kurapati <krishna.kurapati@....qualcomm.com>
Subject: [PATCH v2 1/2] arm64: dts: qcom: sm8450-qrd: add pmic glink node

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@....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