arm64: dts: qcom: c630: Add Embedded Controller node

The Embedded Controller in the Lenovo Yoga C630 is accessible on &i2c1
and provides battery and adapter status, as well as altmode
notifications for the second USB Type-C port.

Add a definition for the EC.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240614-yoga-ec-driver-v7-6-9f0b9b40ae76@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts

@@ -370,6 +370,66 @@ zap-shader {
 &i2c1 {
 	status = "okay";
 	clock-frequency = <400000>;
+
+	embedded-controller@70 {
+		compatible = "lenovo,yoga-c630-ec";
+		reg = <0x70>;
+
+		interrupts-extended = <&tlmm 20 IRQ_TYPE_LEVEL_HIGH>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&ec_int_state>;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		connector@0 {
+			compatible = "usb-c-connector";
+			reg = <0>;
+			power-role = "dual";
+			data-role = "host";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+
+					ucsi0_hs_in: endpoint {
+						remote-endpoint = <&usb_1_dwc3_hs>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+
+					ucsi0_ss_in: endpoint {
+						remote-endpoint = <&usb_1_qmpphy_out>;
+					};
+				};
+
+				port@2 {
+					reg = <2>;
+
+					ucsi0_sbu: endpoint {
+					};
+				};
+			};
+		};
+
+		connector@1 {
+			compatible = "usb-c-connector";
+			reg = <1>;
+			power-role = "dual";
+			data-role = "host";
+
+			/*
+			 * connected to the onboard USB hub, orientation is
+			 * handled by the controller
+			 */
+		};
+	};
 };
 
 &i2c3 {
@@ -695,6 +755,13 @@ mode_pin_active: mode-pin-state {
 
 		bias-disable;
 	};
+
+	ec_int_state: ec-int-state {
+		pins = "gpio20";
+		function = "gpio";
+
+		bias-disable;
+	};
 };
 
 &uart6 {
@@ -742,6 +809,10 @@ &usb_1_dwc3 {
 	dr_mode = "host";
 };
 
+&usb_1_dwc3_hs {
+	remote-endpoint = <&ucsi0_hs_in>;
+};
+
 &usb_1_hsphy {
 	status = "okay";
 
@@ -762,6 +833,10 @@ &usb_1_qmpphy {
 	vdda-pll-supply = <&vdda_usb1_ss_core>;
 };
 
+&usb_1_qmpphy_out {
+	remote-endpoint = <&ucsi0_ss_in>;
+};
+
 &usb_2 {
 	status = "okay";
 };