[PATCH 1/2] usb: chipidea: Add DT vbus-supply parsing

[Markus Pargmann]

Add some code to parse and enable vbus supply when probing.

Signed-off-by: Markus Pargmann <mpa at pengutronix.de>
---
 drivers/usb/imx/chipidea-imx.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/usb/imx/chipidea-imx.c b/drivers/usb/imx/chipidea-imx.c
index 9b6829b8f59f..a4cf4a1a5f3d 100644
--- a/drivers/usb/imx/chipidea-imx.c
+++ b/drivers/usb/imx/chipidea-imx.c
@@ -15,6 +15,7 @@
 #include <common.h>
 #include <init.h>
 #include <io.h>
+#include <linux/err.h>
 #include <of.h>
 #include <errno.h>
 #include <driver.h>
@@ -23,6 +24,7 @@
 #include <usb/chipidea-imx.h>
 #include <usb/ulpi.h>
 #include <usb/fsl_usb2.h>
+#include <regulator.h>
 
 #define MXC_EHCI_PORTSC_MASK ((0xf << 28) | (1 << 25))
 
@@ -187,6 +189,16 @@ static int imx_chipidea_probe(struct device_d *dev)
 		ret = -ENODEV;
 	}
 
+	if (ci->mode == IMX_USB_MODE_HOST) {
+		struct regulator *vbus = regulator_get(dev, "vbus");
+		if (!IS_ERR(vbus)) {
+			regulator_enable(vbus);
+		} else {
+			dev_err(dev, "Failed to get vbus regulator %ld\n", PTR_ERR(vbus));
+			ret = PTR_ERR(vbus);
+		}
+	}
+
 	return ret;
 };
 
-- 
2.0.1