linux-kernel - [PATCH 1/3] arm64: boot: dts: qcom: sm8150: Add nodes for PMIC based typec detection

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Date:   Thu, 30 Jul 2020 21:57:10 -0700
From:   Wesley Cheng <wcheng@...eaurora.org>
To:     bjorn.andersson@...aro.org, kishon@...com, vkoul@...nel.org,
        agross@...nel.org, balbi@...nel.org, gregkh@...uxfoundation.org,
        robh+dt@...nel.org
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-usb@...r.kernel.org,
        jackp@...eaurora.org, Wesley Cheng <wcheng@...eaurora.org>
Subject: [PATCH 1/3] arm64: boot: dts: qcom: sm8150: Add nodes for PMIC based typec detection

Introduce required child nodes to enable the PMIC based USB type C driver.
This consits of connector and endpoint nodes to drivers, which manage the
type C mux and the USB role switch.

Signed-off-by: Wesley Cheng <wcheng@...eaurora.org>
---
 arch/arm64/boot/dts/qcom/sm8150-mtp.dts | 37 ++++++++++++++++++++++++-
 1 file changed, 36 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8150-mtp.dts b/arch/arm64/boot/dts/qcom/sm8150-mtp.dts
index ba3b5b802954..c7d5aab69b56 100644
--- a/arch/arm64/boot/dts/qcom/sm8150-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sm8150-mtp.dts
@@ -413,6 +413,28 @@ &pm8150b_vbus {
 	status = "okay";
 };
 
+&pm8150b_typec {
+	status = "okay";
+	connector {
+		compatible = "usb-c-connector";
+		power-role = "dual";
+		data-role = "dual";
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			port@1 {
+				reg = <1>;
+				usb3_data_ss: endpoint@0 {
+					remote-endpoint = <&qmp_ss_mux>;
+				};
+				usb3_role: endpoint@1 {
+					remote-endpoint = <&dwc3_drd_switch>;
+				};
+			};
+		};
+	};
+};
+
 &usb_1_hsphy {
 	status = "okay";
 	vdda-pll-supply = <&vdd_usb_hs_core>;
@@ -424,12 +446,25 @@ &usb_1_qmpphy {
 	status = "okay";
 	vdda-phy-supply = <&vreg_l3c_1p2>;
 	vdda-pll-supply = <&vdda_usb_ss_dp_core_1>;
+	orientation-switch;
+	port {
+		qmp_ss_mux: endpoint@0 {
+			remote-endpoint = <&usb3_data_ss>;
+		};
+	};
 };
 
 &usb_1 {
 	status = "okay";
+	usb-role-switch;
+	port {
+		dwc3_drd_switch: endpoint@0 {
+			remote-endpoint = <&usb3_role>;
+		};
+	};
 };
 
 &usb_1_dwc3 {
-	dr_mode = "peripheral";
+	dr_mode = "otg";
+	usb-role-switch;
 };
-- 
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