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>

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,
         },
 };