drivers: video: stm32_dcmipp: Use normal child nodes for pipes

The pipe nodes are not video interfaces. Describe them as normal child
nodes instead of using port/endpoint.

Signed-off-by: Phi Bang Nguyen <phibang.nguyen@nxp.com>

Author: ngphibang

boards/shields/st_b_cams_imx_mb1854/st_b_cams_imx_mb1854.overlay

@@ -10,7 +10,7 @@
 
 / {
 	chosen {
-		zephyr,camera = &csi_capture_port;
+		zephyr,camera = &pipe_main;
 	};
 
 	imx335_input_clock: imx335-input-clock {

boards/shields/st_mb1897_cam/st_mb1897_cam.overlay

@@ -9,7 +9,7 @@
 
 / {
 	chosen {
-		zephyr,camera = &csi_capture_port;
+		zephyr,camera = &pipe_dump;
 	};
 };
 

boards/st/stm32mp135f_dk/stm32mp135f_dk.dts

@@ -188,20 +188,14 @@ csi_interface: &dcmipp {
 		     &dcmipp_pixclk_pb7 &dcmipp_vsync_pg9 &dcmipp_hsync_ph8>;
 	pinctrl-names = "default";
 
-	ports {
-		port@0 {
-			dcmipp_ep_in: endpoint {
-				bus-width = <8>;
-				hsync-active = <0>;
-				vsync-active = <0>;
-				pclk-sample = <0>;
-				bus-type = <VIDEO_BUS_TYPE_PARALLEL>;
-				remote-endpoint-label = "mipid02_2";
-			};
-		};
-
-		port@1 {
-			csi_capture_port: endpoint { };
+	port {
+		dcmipp_ep_in: endpoint {
+			bus-width = <8>;
+			hsync-active = <0>;
+			vsync-active = <0>;
+			pclk-sample = <0>;
+			bus-type = <VIDEO_BUS_TYPE_PARALLEL>;
+			remote-endpoint-label = "mipid02_2";
 		};
 	};
 };

boards/st/stm32n6570_dk/stm32n6570_dk_common.dtsi

@@ -459,13 +459,7 @@ zephyr_udc0: &usbotg_hs1 {
 };
 
 csi_interface: &dcmipp {
-	ports {
-		port@0 {
-			csi_ep_in: endpoint { };
-		};
-
-		port@1 {
-			csi_capture_port: endpoint@1 { };
-		};
+	port {
+		csi_ep_in: endpoint { };
 	};
 };

drivers/video/video_stm32_dcmipp.c

@@ -1677,7 +1677,11 @@ static void stm32_dcmipp_isr(const struct device *dev)
 		    POST_KERNEL, CONFIG_VIDEO_INIT_PRIORITY,					\
 		    NULL);									\
 												\
-	DT_FOREACH_CHILD_VARGS(DT_INST_PORT_BY_ID(inst, 1), DCMIPP_PIPE_INIT_DEFINE, inst);	\
+#if defined(STM32_DCMIPP_HAS_PIXEL_PIPES)							\
+	DT_FOREACH_CHILD_VARGS(DT_INST_CHILD(inst, pipes), DCMIPP_PIPE_INIT_DEFINE, inst);	\
+#else 												\
+	DCMIPP_PIPE_INIT_DEFINE(DT_INST_CHILD(inst, pipe), inst); 				\
+#endif												\
 												\
 	VIDEO_DEVICE_DEFINE(dcmipp_##inst, DEVICE_DT_INST_GET(inst), SOURCE_DEV(inst));
 

dts/arm/st/mp13/stm32mp135.dtsi

@@ -21,25 +21,13 @@
 			resets = <&rctl STM32_RESET(APB4, 1)>;
 			status = "disabled";
 
-			ports {
-				#address-cells = <1>;
-				#size-cells = <0>;
-
-				port@0 {
-					reg = <0>;
-
-					endpoint {
-						remote-endpoint-label = "";
-						bus-type = <VIDEO_BUS_TYPE_PARALLEL>;
-					};
-				};
-
-				port@1 {
-					reg = <1>;
+			pipe_dump: pipe {
+			};
 
-					dcmipp_pipe_dump: endpoint {
-						compatible = "st,stm32-dcmipp-pipe";
-					};
+			port {
+				endpoint {
+					remote-endpoint-label = "";
+					bus-type = <VIDEO_BUS_TYPE_PARALLEL>;
 				};
 			};
 		};

dts/arm/st/n6/stm32n6.dtsi

@@ -717,39 +717,28 @@
 				 <&rctl STM32_RESET(APB5, 6)>;
 			status = "disabled";
 
-			ports {
+			pipes {
+				compatible = "st,stm32-dcmipp-pipes";
 				#address-cells = <1>;
 				#size-cells = <0>;
 
-				port@0 {
+				pipe_dump: pipe@0 {
 					reg = <0>;
-
-					endpoint {
-						remote-endpoint-label = "";
-						bus-type = <VIDEO_BUS_TYPE_CSI2_DPHY>;
-					};
 				};
 
-				port@1 {
-					#address-cells = <1>;
-					#size-cells = <0>;
-
+				pipe_main: pipe@1 {
 					reg = <1>;
+				};
 
-					dcmipp_pipe_dump: endpoint@0 {
-						compatible = "st,stm32-dcmipp-pipe";
-						reg = <0>;
-					};
-
-					dcmipp_pipe_main: endpoint@1 {
-						compatible = "st,stm32-dcmipp-pipe";
-						reg = <1>;
-					};
+				pipe_aux: pipe@2 {
+					reg = <2>;
+				};
+			};
 
-					dcmipp_pipe_aux: endpoint@2 {
-						compatible = "st,stm32-dcmipp-pipe";
-						reg = <2>;
-					};
+			port {
+				endpoint {
+					remote-endpoint-label = "";
+					bus-type = <VIDEO_BUS_TYPE_CSI2_DPHY>;
 				};
 			};
 		};

dts/bindings/video/st,stm32-dcmipp.yaml

@@ -48,9 +48,8 @@ properties:
 
 child-binding:
   child-binding:
-    child-binding:
-      include: video-interfaces.yaml
+    include: video-interfaces.yaml
 
-      properties:
-        bus-type:
-          required: true
+    properties:
+      bus-type:
+        required: true