OMAPDSS: hdmi-connector: Add DT support

Add DT support for hdmi-connector.

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

1 files changed, 30 insertions, 0 deletions

diff --git a/drivers/video/omap2/displays-new/connector-hdmi.c b/drivers/video/omap2/displays-new/connector-hdmi.c
index 9abe2c039ae9..2e026eab2dd0 100644
--- a/drivers/video/omap2/displays-new/connector-hdmi.c
+++ b/drivers/video/omap2/displays-new/connector-hdmi.c
@@ -12,6 +12,7 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/of.h>
 
 #include <drm/drm_edid.h>
 
@@ -301,6 +302,23 @@ static int hdmic_probe_pdata(struct platform_device *pdev)
         return 0;
 }
 
+static int hdmic_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 hdmic_probe(struct platform_device *pdev)
 {
         struct panel_drv_data *ddata;
@@ -318,6 +336,10 @@ static int hdmic_probe(struct platform_device *pdev)
                 r = hdmic_probe_pdata(pdev);
                 if (r)
                         return r;
+        } else if (pdev->dev.of_node) {
+                r = hdmic_probe_of(pdev);
+                if (r)
+                        return r;
         } else {
                 return -ENODEV;
         }
@@ -359,12 +381,20 @@ static int __exit hdmic_remove(struct platform_device *pdev)
         return 0;
 }
 
+static const struct of_device_id hdmic_of_match[] = {
+        { .compatible = "omapdss,hdmi-connector", },
+        {},
+};
+
+MODULE_DEVICE_TABLE(of, hdmic_of_match);
+
 static struct platform_driver hdmi_connector_driver = {
         .probe  = hdmic_probe,
         .remove = __exit_p(hdmic_remove),
         .driver = {
                 .name   = "connector-hdmi",
                 .owner  = THIS_MODULE,
+                .of_match_table = hdmic_of_match,
         },
 };