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authorTomi Valkeinen <tomi.valkeinen@ti.com>2013-07-30 09:36:29 +0200
committerTomi Valkeinen <tomi.valkeinen@ti.com>2014-03-19 10:03:09 +0100
commit2cbe2304ba65d5096907a419beebab98c4bd19df (patch)
treedcdf11521edff2ecd9fffbbde8a5e5e387f9938e /drivers/video
parentOMAPDSS: encoder-tfp410: Add DT support (diff)
downloadlinux-2cbe2304ba65d5096907a419beebab98c4bd19df.tar.xz
linux-2cbe2304ba65d5096907a419beebab98c4bd19df.zip
OMAPDSS: connector-dvi: Add DT support
Add DT support for connector-dvi. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Archit Taneja <archit@ti.com>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/omap2/displays-new/connector-dvi.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/video/omap2/displays-new/connector-dvi.c b/drivers/video/omap2/displays-new/connector-dvi.c
index b6c50904038e..d5fb77147f9e 100644
--- a/drivers/video/omap2/displays-new/connector-dvi.c
+++ b/drivers/video/omap2/displays-new/connector-dvi.c
@@ -277,6 +277,37 @@ static int dvic_probe_pdata(struct platform_device *pdev)
return 0;
}
+static int dvic_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;
+ struct device_node *adapter_node;
+ struct i2c_adapter *adapter;
+
+ 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;
+
+ adapter_node = of_parse_phandle(node, "ddc-i2c-bus", 0);
+ if (adapter_node) {
+ adapter = of_find_i2c_adapter_by_node(adapter_node);
+ if (adapter == NULL) {
+ dev_err(&pdev->dev, "failed to parse ddc-i2c-bus\n");
+ omap_dss_put_device(ddata->in);
+ return -EPROBE_DEFER;
+ }
+
+ ddata->i2c_adapter = adapter;
+ }
+
+ return 0;
+}
+
static int dvic_probe(struct platform_device *pdev)
{
struct panel_drv_data *ddata;
@@ -293,6 +324,10 @@ static int dvic_probe(struct platform_device *pdev)
r = dvic_probe_pdata(pdev);
if (r)
return r;
+ } else if (pdev->dev.of_node) {
+ r = dvic_probe_of(pdev);
+ if (r)
+ return r;
} else {
return -ENODEV;
}
@@ -342,12 +377,20 @@ static int __exit dvic_remove(struct platform_device *pdev)
return 0;
}
+static const struct of_device_id dvic_of_match[] = {
+ { .compatible = "omapdss,dvi-connector", },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, dvic_of_match);
+
static struct platform_driver dvi_connector_driver = {
.probe = dvic_probe,
.remove = __exit_p(dvic_remove),
.driver = {
.name = "connector-dvi",
.owner = THIS_MODULE,
+ .of_match_table = dvic_of_match,
},
};