Merge pull request #197 from quic-vishsain/lt8713sx_qcom.6.18.y

lt8713sx bridge support in qcom.6.18.y

Author: sgaud-quic

Documentation/devicetree/bindings/display/bridge/lontium,lt8713sx.yaml

@@ -29,11 +29,34 @@ properties:
     description: Regulator for 1.1V vdd.
 
   reset-gpios:
-    description: GPIO connected to active high RESET pin.
+    description: GPIO connected to active low RESET pin.
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+
+    properties:
+      port@0:
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          DP port for DP input from soc to bridge chip
+
+      port@1:
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          DP port for DP output from bridge
+
+      port@2:
+        $ref: /schemas/graph.yaml#/properties/port
+        description:
+          Additional DP port for DP output from bridge
+
+    required:
+      - port@0
 
 required:
   - compatible
   - reg
+  - ports
 
 additionalProperties: false
 
@@ -47,6 +70,32 @@ examples:
         bridge@4f {
             compatible = "lontium,lt8713sx";
             reg = <0x4f>;
-            reset-gpios = <&tlmm 6 GPIO_ACTIVE_HIGH>;
+            reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>;
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                port@0 {
+                    reg = <0>;
+                    lt8713sx_dp_in: endpoint {
+                        remote-endpoint = <&mdss_dp0_out>;
+                    };
+                };
+
+                port@1 {
+                    reg = <1>;
+                    lt8713sx_dp0_out: endpoint {
+                        remote-endpoint = <&dp0_connector_in>;
+                    };
+                };
+
+                port@2 {
+                    reg = <2>;
+                    lt8713sx_dp1_out: endpoint {
+                        remote-endpoint = <&dp1_connector_in>;
+                    };
+                };
+            };
         };
     };

arch/arm64/boot/dts/qcom/monaco-evk.dts

@@ -28,6 +28,30 @@
 		stdout-path = "serial0:115200n8";
 	};
 
+	dp-connector0 {
+		compatible = "dp-connector";
+		label = "DP";
+		type = "mini";
+
+		port {
+			dp0_connector_in: endpoint {
+				remote-endpoint = <&lt8713sx_dp0_out>;
+			};
+		};
+	};
+
+	dp-connector1 {
+		compatible = "dp-connector";
+		label = "DP";
+		type = "mini";
+
+		port {
+			dp1_connector_in: endpoint {
+				remote-endpoint = <&lt8713sx_dp1_out>;
+			};
+		};
+	};
+
 	dmic: audio-codec-0 {
 		compatible = "dmic-codec";
 		#sound-dai-cells = <0>;
@@ -343,16 +367,38 @@
 };
 
 &i2c0 {
-	pinctrl-0 = <&qup_i2c0_default>;
-	pinctrl-names = "default";
-
 	status = "okay";
 
-	lt8713sx: lt8713sx@4f {
-		/*Display bridge chip, DP1.4/HDMI2.0/DP++ hub*/
+	bridge@4f {
 		compatible = "lontium,lt8713sx";
 		reg = <0x4f>;
-		reset-gpios = <&expander5 6 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&expander5 6 GPIO_ACTIVE_LOW>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				lt8713sx_dp_in: endpoint {
+					remote-endpoint = <&mdss_dp0_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+				lt8713sx_dp0_out: endpoint {
+					remote-endpoint = <&dp0_connector_in>;
+				};
+			};
+
+			port@2 {
+				reg = <2>;
+				lt8713sx_dp1_out: endpoint {
+					remote-endpoint = <&dp1_connector_in>;
+				};
+			};
+		};
 	};
 };
 
@@ -445,24 +491,31 @@
 	};
 };
 
+&iris {
+	status = "okay";
+};
+
 &mdss {
 	status = "okay";
 };
 
 &mdss_dp0 {
+	pinctrl-0 = <&dp_hot_plug_det>;
+	pinctrl-names = "default";
+
 	status = "okay";
 };
 
 &mdss_dp0_out {
 	data-lanes = <0 1 2 3>;
 	link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
+	remote-endpoint = <&lt8713sx_dp_in>;
 };
 
 &mdss_dp0_phy {
-	status = "okay";
-};
+	vdda-phy-supply = <&vreg_l5a>;
+	vdda-pll-supply = <&vreg_l4a>;
 
-&iris {
 	status = "okay";
 };
 
@@ -473,6 +526,11 @@
 	};
 };
 
+&qup_i2c0_data_clk {
+	drive-strength = <2>;
+	bias-pull-up;
+};
+
 &qupv3_id_0 {
 	firmware-name = "qcom/qcs8300/qupv3fw.elf";
 	status = "okay";
@@ -557,12 +615,6 @@
 };
 
 &tlmm {
-	dp_hot_plug_det: dp-hot-plug-det-state {
-		pins = "gpio94";
-		function = "edp0_hot";
-		bias-disable;
-	};
-
 	ethernet0_default: ethernet0-default-state {
 		ethernet0_mdc: ethernet0-mdc-pins {
 			pins = "gpio5";
@@ -625,13 +677,6 @@
 		};
 	};
 
-	qup_i2c0_default: qup-i2c0-state {
-		pins = "gpio17", "gpio18";
-		function = "qup0_se0";
-		drive-strength = <2>;
-		bias-pull-up;
-	};
-
 	qup_i2c1_default: qup-i2c1-state {
 		pins = "gpio19", "gpio20";
 		function = "qup0_se1";

arch/arm64/boot/dts/qcom/qcs8300.dtsi

@@ -6007,6 +6007,12 @@
 				};
 			};
 
+			dp_hot_plug_det: dp-hot-plug-det-state {
+				pins = "gpio94";
+				function = "edp0_hot";
+				bias-disable;
+			};
+
 			hs0_mi2s_active: hs0-mi2s-active-state {
 				pins = "gpio106", "gpio107", "gpio108", "gpio109";
 				function = "hs0_mi2s";