[PATCH v3 4/6] mmc: fsl_esdhc_imx: add CD support when OF_PLATDATA is enabled

[Walter Lozano]

After enabling OF_PLATDATA support to both MMC and GPIO drivers add the
support for card detection.

Signed-off-by: Walter Lozano <walter.loz...@collabora.com>
Reviewed-by: Simon Glass <s...@chromium.org>
---

Changes in v3:
- Change #ifdef to if when possible

 drivers/mmc/fsl_esdhc_imx.c | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c
index 2713682cf7..788677984b 100644
--- a/drivers/mmc/fsl_esdhc_imx.c
+++ b/drivers/mmc/fsl_esdhc_imx.c
@@ -1498,7 +1498,30 @@ static int fsl_esdhc_probe(struct udevice *dev)
                priv->bus_width = 4;
        else
                priv->bus_width = 1;
-       priv->non_removable = 1;
+
+       if (dtplat->non_removable)
+               priv->non_removable = 1;
+       else
+               priv->non_removable = 0;
+
+       if (CONFIG_IS_ENABLED(DM_GPIO) && !priv->non_removable) {
+               struct udevice *gpiodev;
+               struct driver_info *info;
+
+               info = (struct driver_info *)dtplat->cd_gpios->node;
+
+               ret = device_get_by_driver_info(info, &gpiodev);
+
+               if (ret)
+                       return ret;
+
+               ret = gpio_dev_request_index(gpiodev, gpiodev->name, "cd-gpios",
+                                            dtplat->cd_gpios->arg[0], 
GPIOD_IS_IN,
+                                            dtplat->cd_gpios->arg[1], 
&priv->cd_gpio);
+
+               if (ret)
+                       return ret;
+       }
 #endif
 
        if (data)
-- 
2.20.1