OMAPDSS: connector-analog-tv: Add DT support

Add DT support for connector-analog-tv.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>

1 files changed, 41 insertions, 2 deletions

diff --git a/drivers/video/omap2/displays-new/connector-analog-tv.c b/drivers/video/omap2/displays-new/connector-analog-tv.c
index ccd9073f706f..5c840325def4 100644
--- a/drivers/video/omap2/displays-new/connector-analog-tv.c
+++ b/drivers/video/omap2/displays-new/connector-analog-tv.c
@@ -12,6 +12,7 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/of.h>
 
 #include <video/omapdss.h>
 #include <video/omap-panel-data.h>
@@ -42,6 +43,12 @@ static const struct omap_video_timings tvc_pal_timings = {
         .interlace      = true,
 };
 
+static const struct of_device_id tvc_of_match[];
+
+struct tvc_of_data {
+        enum omap_dss_venc_type connector_type;
+};
+
 #define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
 
 static int tvc_connect(struct omap_dss_device *dssdev)
@@ -91,8 +98,12 @@ static int tvc_enable(struct omap_dss_device *dssdev)
 
         in->ops.atv->set_timings(in, &ddata->timings);
 
-        in->ops.atv->set_type(in, ddata->connector_type);
-        in->ops.atv->invert_vid_out_polarity(in, ddata->invert_polarity);
+        if (!ddata->dev->of_node) {
+                in->ops.atv->set_type(in, ddata->connector_type);
+
+                in->ops.atv->invert_vid_out_polarity(in,
+                        ddata->invert_polarity);
+        }
 
         r = in->ops.atv->enable(in);
         if (r)
@@ -205,6 +216,23 @@ static int tvc_probe_pdata(struct platform_device *pdev)
         return 0;
 }
 
+static int tvc_probe_of(struct platform_device *pdev)
+{
+        struct panel_drv_data *ddata = platform_get_drvdata(pdev);
+        struct device_node *node = pdev->dev.of_node;
+        struct omap_dss_device *in;
+
+        in = omapdss_of_find_source_for_first_ep(node);
+        if (IS_ERR(in)) {
+                dev_err(&pdev->dev, "failed to find video source\n");
+                return PTR_ERR(in);
+        }
+
+        ddata->in = in;
+
+        return 0;
+}
+
 static int tvc_probe(struct platform_device *pdev)
 {
         struct panel_drv_data *ddata;
@@ -222,6 +250,10 @@ static int tvc_probe(struct platform_device *pdev)
                 r = tvc_probe_pdata(pdev);
                 if (r)
                         return r;
+        } else if (pdev->dev.of_node) {
+                r = tvc_probe_of(pdev);
+                if (r)
+                        return r;
         } else {
                 return -ENODEV;
         }
@@ -263,12 +295,19 @@ static int __exit tvc_remove(struct platform_device *pdev)
         return 0;
 }
 
+static const struct of_device_id tvc_of_match[] = {
+        { .compatible = "omapdss,svideo-connector", },
+        { .compatible = "omapdss,composite-video-connector", },
+        {},
+};
+
 static struct platform_driver tvc_connector_driver = {
         .probe  = tvc_probe,
         .remove = __exit_p(tvc_remove),
         .driver = {
                 .name   = "connector-analog-tv",
                 .owner  = THIS_MODULE,
+                .of_match_table = tvc_of_match,
         },
 };