drivers: video: mipi_csi2rx: Remove sensor device phandle

The peer remote device "sensor_dev" can be retrieved from the
remote-endpoint-label. Direct reference via phandle is not needed.

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

Author: ngphibang

boards/shields/nxp_btb44_ov5640/nxp_btb44_ov5640.overlay

@@ -34,8 +34,6 @@
 &nxp_mipi_csi {
 	status = "okay";
 
-	sensor = <&ov5640>;
-
 	ports {
 		port@1 {
 			reg = <1>;

drivers/video/video_mcux_mipi_csi2rx.c

@@ -20,6 +20,10 @@ LOG_MODULE_REGISTER(video_mipi_csi2rx, CONFIG_VIDEO_LOG_LEVEL);
 
 #define ABS(a, b) (a > b ? a - b : b - a)
 
+#define DEVICE_DT_INST_GET_SENSOR_DEV(n)                                                           \
+	DEVICE_DT_GET(DT_GPARENT(DT_NODELABEL(DT_STRING_TOKEN(                                     \
+		DT_CHILD(DT_CHILD(DT_INST_CHILD(n, ports), port_1), endpoint), remote_endpoint_label))))
+
 struct mipi_csi2rx_config {
 	const MIPI_CSI2RX_Type *base;
 	const struct device *sensor_dev;
@@ -322,7 +326,7 @@ static int mipi_csi2rx_init(const struct device *dev)
                                                                                                    \
 	static const struct mipi_csi2rx_config mipi_csi2rx_config_##n = {                          \
 		.base = (MIPI_CSI2RX_Type *)DT_INST_REG_ADDR(n),                                   \
-		.sensor_dev = DEVICE_DT_GET(DT_INST_PHANDLE(n, sensor)),                           \
+		.sensor_dev = DEVICE_DT_INST_GET_SENSOR_DEV(n),                           \
 	};                                                                                         \
                                                                                                    \
 	DEVICE_DT_INST_DEFINE(n, &mipi_csi2rx_init, NULL, &mipi_csi2rx_data_##n,                   \

dts/bindings/video/nxp,mipi-csi2rx.yaml

@@ -10,12 +10,6 @@ compatible: "nxp,mipi-csi2rx"
 
 include: [base.yaml]
 
-properties:
-  sensor:
-    required: true
-    type: phandle
-    description: the connected camera sensor
-
 child-binding:
   child-binding:
     child-binding:

tests/drivers/build_all/video/mimxrt1170_evk_mimxrt1176_cm7.overlay

@@ -60,7 +60,6 @@
 			compatible = "nxp,mipi-csi2rx";
 			reg = <0x33334444 0x200>;
 			status = "okay";
-			sensor = <&test_i2c_ov5640>;
 
 			ports {
 				#address-cells = <1>;