[PATCH 1/4] [media] davinci: add support for DT init

[Kevin Hilman]

Add basic support for initialization via DT.

Signed-off-by: Kevin Hilman <khil...@baylibre.com>
---
 drivers/media/platform/davinci/vpif.c         |  9 +++++++++
 drivers/media/platform/davinci/vpif_capture.c | 14 ++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/drivers/media/platform/davinci/vpif.c 
b/drivers/media/platform/davinci/vpif.c
index 0380cf2e5775..077e328e0281 100644
--- a/drivers/media/platform/davinci/vpif.c
+++ b/drivers/media/platform/davinci/vpif.c
@@ -464,8 +464,17 @@ static const struct dev_pm_ops vpif_pm = {
 #define vpif_pm_ops NULL
 #endif
 
+#if IS_ENABLED(CONFIG_OF)
+static const struct of_device_id vpif_of_match[] = {
+       { .compatible = "ti,vpif", },
+       { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, vpif_of_match);
+#endif
+
 static struct platform_driver vpif_driver = {
        .driver = {
+               .of_match_table = of_match_ptr(vpif_of_match),
                .name   = "vpif",
                .pm     = vpif_pm_ops,
        },
diff --git a/drivers/media/platform/davinci/vpif_capture.c 
b/drivers/media/platform/davinci/vpif_capture.c
index 5104cc0ee40e..79cef74e164f 100644
--- a/drivers/media/platform/davinci/vpif_capture.c
+++ b/drivers/media/platform/davinci/vpif_capture.c
@@ -1435,6 +1435,11 @@ static __init int vpif_probe(struct platform_device 
*pdev)
        int res_idx = 0;
        int i, err;
 
+       if (!pdev->dev.platform_data) {
+               dev_warn(&pdev->dev, "Missing platform data.  Giving up.\n");
+               return -EINVAL;
+       }
+
        vpif_dev = &pdev->dev;
 
        err = initialize_vpif();
@@ -1618,8 +1623,17 @@ static int vpif_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(vpif_pm_ops, vpif_suspend, vpif_resume);
 
+#if IS_ENABLED(CONFIG_OF)
+static const struct of_device_id vpif_capture_of_match[] = {
+       { .compatible = "ti,vpif-capture", },
+       { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, vpif_capture_of_match);
+#endif
+
 static __refdata struct platform_driver vpif_driver = {
        .driver = {
+               .of_match_table = of_match_ptr(vpif_capture_of_match),
                .name   = VPIF_DRIVER_NAME,
                .pm     = &vpif_pm_ops,
        },
-- 
2.9.3

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