linux-kernel - [PATCH v9 6/7] arm64: dts: qcom: qrb5165-rb5: Switch on TCPM usb-role-switching for usb

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Message-ID: <20230816115151.501736-7-bryan.odonoghue@linaro.org>
Date:   Wed, 16 Aug 2023 12:51:50 +0100
From:   Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To:     agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        lee@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        sboyd@...nel.org, luca.weiss@...rphone.com
Cc:     bryan.odonoghue@...aro.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v9 6/7] arm64: dts: qcom: qrb5165-rb5: Switch on TCPM usb-role-switching for usb_1

Switch on usb-role-switching for usb_1 via TCPM. We need to declare
usb-role-switch in &usb_1 and associate with the remote-endpoint in TCPM
which provides the necessary signal.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
---
 arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 19 ++++++++++++++++++-
 arch/arm64/boot/dts/qcom/sm8250.dtsi     |  4 ++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
index 55389f8903b5c..3e34f4e2af14a 100644
--- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
+++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
@@ -1269,7 +1269,12 @@ &usb_1 {
 };
 
 &usb_1_dwc3 {
-	dr_mode = "peripheral";
+	dr_mode = "otg";
+	usb-role-switch;
+};
+
+&usb_1_role_switch_out {
+	remote-endpoint = <&pm8150b_role_switch_in>;
 };
 
 &usb_1_hsphy {
@@ -1358,5 +1363,17 @@ connector {
 					 PDO_FIXED_DUAL_ROLE |
 					 PDO_FIXED_USB_COMM |
 					 PDO_FIXED_DATA_SWAP)>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				pm8150b_role_switch_in: endpoint {
+					remote-endpoint = <&usb_1_role_switch_out>;
+				};
+			};
+		};
 	};
 };
diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index c79173504a3fd..733de2fd5e753 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -3780,6 +3780,10 @@ usb_1_dwc3: usb@...0000 {
 				snps,dis_enblslpm_quirk;
 				phys = <&usb_1_hsphy>, <&usb_1_ssphy>;
 				phy-names = "usb2-phy", "usb3-phy";
+
+				port {
+					usb_1_role_switch_out: endpoint {};
+				};
 			};
 		};
 
-- 
2.41.0