[media] davinci: Switch from V4L2 OF to V4L2 fwnode

The DaVinci VPIF capture driver V4L2 OF support was added after the V4L2
OF framework got removed. Switch VPIF capture driver to V4L2 fwnode.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>

drivers/media/platform/davinci/Kconfig

@@ -22,6 +22,7 @@ config VIDEO_DAVINCI_VPIF_CAPTURE
 	depends on HAS_DMA
 	depends on I2C
 	select VIDEOBUF2_DMA_CONTIG
+	select V4L2_FWNODE
 	help
 	  Enables Davinci VPIF module used for capture devices.
 	  This module is used for capture on TI DM6467/DA850/OMAPL138

drivers/media/platform/davinci/vpif_capture.c

@@ -18,11 +18,12 @@
 
 #include <linux/module.h>
 #include <linux/interrupt.h>
+#include <linux/of_graph.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 
+#include <media/v4l2-fwnode.h>
 #include <media/v4l2-ioctl.h>
-#include <media/v4l2-of.h>
 #include <media/i2c/tvp514x.h>
 #include <media/v4l2-mediabus.h>
 
@@ -1389,15 +1390,16 @@ static int vpif_async_bound(struct v4l2_async_notifier *notifier,
 
 	for (i = 0; i < vpif_obj.config->asd_sizes[0]; i++) {
 		struct v4l2_async_subdev *_asd = vpif_obj.config->asd[i];
-		const struct device_node *node = _asd->match.of.node;
+		const struct fwnode_handle *fwnode = _asd->match.fwnode.fwnode;
 
-		if (node == subdev->of_node) {
+		if (fwnode == subdev->fwnode) {
 			vpif_obj.sd[i] = subdev;
 			vpif_obj.config->chan_config->inputs[i].subdev_name =
-				(char *)subdev->of_node->full_name;
+				(char *)to_of_node(subdev->fwnode)->full_name;
 			vpif_dbg(2, debug,
 				 "%s: setting input %d subdev_name = %s\n",
-				 __func__, i, subdev->of_node->full_name);
+				 __func__, i,
+				 to_of_node(subdev->fwnode)->full_name);
 			return 0;
 		}
 	}
@@ -1502,7 +1504,7 @@ static struct vpif_capture_config *
 vpif_capture_get_pdata(struct platform_device *pdev)
 {
 	struct device_node *endpoint = NULL;
-	struct v4l2_of_endpoint bus_cfg;
+	struct v4l2_fwnode_endpoint bus_cfg;
 	struct vpif_capture_config *pdata;
 	struct vpif_subdev_info *sdinfo;
 	struct vpif_capture_chan_config *chan;
@@ -1549,7 +1551,8 @@ vpif_capture_get_pdata(struct platform_device *pdev)
 		chan->inputs[i].input.std = V4L2_STD_ALL;
 		chan->inputs[i].input.capabilities = V4L2_IN_CAP_STD;
 
-		err = v4l2_of_parse_endpoint(endpoint, &bus_cfg);
+		err = v4l2_fwnode_endpoint_parse(of_fwnode_handle(endpoint),
+						 &bus_cfg);
 		if (err) {
 			dev_err(&pdev->dev, "Could not parse the endpoint\n");
 			goto done;
@@ -1584,8 +1587,8 @@ vpif_capture_get_pdata(struct platform_device *pdev)
 			goto done;
 		}
 
-		pdata->asd[i]->match_type = V4L2_ASYNC_MATCH_OF;
-		pdata->asd[i]->match.of.node = rem;
+		pdata->asd[i]->match_type = V4L2_ASYNC_MATCH_FWNODE;
+		pdata->asd[i]->match.fwnode.fwnode = of_fwnode_handle(rem);
 		of_node_put(rem);
 	}