[PATCHv3 20/41] OMAPDSS: connector-analog-tv: Add DT support

Tomi Valkeinen
2014-01-21T10:56:52Z

Add DT support for connector-analog-tv.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---
.../video/omap2/displays-new/connector-analog-tv.c | 43 +++++++++++++++++++++-
1 file 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,
},
};

--
1.8.3.2