Re: [PATCH v8 10/11] arm64: dts: qcom: qrb5165-rb5: Switch on TCPM usb-role-switching for usb_1

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On 15/05/2023 16:36, Bryan O'Donoghue wrote:
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@xxxxxxxxxx>
---
  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 d80a22bff7969..580ed63c6fb54 100644
--- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
+++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
@@ -1273,7 +1273,12 @@ &usb_1 {
  };
&usb_1_dwc3 {
-	dr_mode = "peripheral";
+	dr_mode = "otg";
+	usb-role-switch;
+};
+
+&usb_1_dwc3_role_switch_in {
+	remote-endpoint = <&pm8150b_role_switch_out>;
  };
&usb_1_hsphy {
@@ -1362,5 +1367,17 @@ connector {
  					 PDO_FIXED_DUAL_ROLE |
  					 PDO_FIXED_USB_COMM |
  					 PDO_FIXED_DATA_SWAP)>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;

Empty line before the child node, please.

+				pm8150b_role_switch_out: endpoint {
+					remote-endpoint = <&usb_1_dwc3_role_switch_in>;
+				};
+			};
+		};
  	};
  };
diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index 0bc7486e59e54..b9f55a9ef89f8 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -3740,6 +3740,10 @@ usb_1_dwc3: usb@a600000 {
  				snps,dis_enblslpm_quirk;
  				phys = <&usb_1_hsphy>, <&usb_1_ssphy>;
  				phy-names = "usb2-phy", "usb3-phy";
+
+				port {
+					usb_1_dwc3_role_switch_in: endpoint {};
+				};
  			};
  		};

--
With best wishes
Dmitry




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