linux-kernel - [PATCH] arm64: dts: qcom: sm6115: Add EUD dt node and dwc3 connector

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Date:   Sat, 31 Dec 2022 18:49:45 +0530
From:   Bhupesh Sharma <bhupesh.sharma@...aro.org>
To:     linux-arm-msm@...r.kernel.org
Cc:     quic_schowdhu@...cinc.com, agross@...nel.org, andersson@...nel.org,
        konrad.dybcio@...aro.org, linux-kernel@...r.kernel.org,
        bhupesh.linux@...il.com, bhupesh.sharma@...aro.org,
        robh+dt@...nel.org, devicetree@...r.kernel.org
Subject: [PATCH] arm64: dts: qcom: sm6115: Add EUD dt node and dwc3 connector

Add the Embedded USB Debugger(EUD) device tree node for
SM6115 / SM4250 SoC.

The node contains EUD base register region and EUD mode
manager register regions along with the interrupt entry.

Also add the typec connector node for EUD which is attached to
EUD node via port. EUD is also attached to DWC3 node via port.

Cc: Souradeep Chowdhury <quic_schowdhu@...cinc.com>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@...aro.org>
---
- This patch is based on my earlier sm6115 usb related changes, which can
  be seen here:
  https://lore.kernel.org/linux-arm-msm/20221215094532.589291-1-bhupesh.sharma@linaro.org/
- This patch is also dependent on my sm6115 eud dt-binding and driver changes
  sent earlier, which can be seen here:
  https://lore.kernel.org/linux-arm-msm/20221231130743.3285664-1-bhupesh.sharma@linaro.org/

 arch/arm64/boot/dts/qcom/sm6115.dtsi | 37 ++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm6115.dtsi b/arch/arm64/boot/dts/qcom/sm6115.dtsi
index 030763187cc3f..c775f7fdb7015 100644
--- a/arch/arm64/boot/dts/qcom/sm6115.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm6115.dtsi
@@ -565,6 +565,37 @@ gcc: clock-controller@...0000 {
 			#power-domain-cells = <1>;
 		};
 
+		eud: eud@...0000 {
+			compatible = "qcom,sm6115-eud","qcom,eud";
+			reg = <0x01610000 0x2000>,
+			      <0x01612000 0x1000>,
+			      <0x003e5018 0x4>;
+			interrupts = <GIC_SPI 189 IRQ_TYPE_LEVEL_HIGH>;
+			ports {
+				port@0 {
+					eud_ep: endpoint {
+						remote-endpoint = <&usb2_role_switch>;
+					};
+				};
+				port@1 {
+					eud_con: endpoint {
+						remote-endpoint = <&con_eud>;
+					};
+				};
+			};
+		};
+
+		eud_typec: connector {
+			compatible = "usb-c-connector";
+			ports {
+				port@0 {
+					con_eud: endpoint {
+						remote-endpoint = <&eud_con>;
+					};
+				};
+			};
+		};
+
 		usb_hsphy: phy@...3000 {
 			compatible = "qcom,sm6115-qusb2-phy";
 			reg = <0x01613000 0x180>;
@@ -1064,6 +1095,12 @@ usb_dwc3: usb@...0000 {
 				snps,has-lpm-erratum;
 				snps,hird-threshold = /bits/ 8 <0x10>;
 				snps,usb3_lpm_capable;
+				usb-role-switch;
+				port {
+					usb2_role_switch: endpoint {
+						remote-endpoint = <&eud_ep>;
+					};
+				};
 			};
 		};
 
-- 
2.38.1