Add some code to parse and enable vbus supply when probing.
Signed-off-by: Markus Pargmann <mpa@xxxxxxxxxxxxxx>
---
drivers/usb/imx/chipidea-imx.c | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/imx/chipidea-imx.c b/drivers/usb/imx/chipidea-imx.c
index 9b6829b8f59f..fd3a57145f4d 100644
--- a/drivers/usb/imx/chipidea-imx.c
+++ b/drivers/usb/imx/chipidea-imx.c
@@ -15,9 +15,11 @@
#include <common.h>
#include <init.h>
#include <io.h>
+#include <linux/err.h>
#include <of.h>
#include <errno.h>
#include <driver.h>
+#include <regulator.h>
#include <usb/usb.h>
#include <usb/ehci.h>
#include <usb/chipidea-imx.h>
@@ -136,6 +138,7 @@ static int imx_chipidea_probe(struct device_d *dev)
void __iomem *base;
struct imx_chipidea *ci;
uint32_t portsc;
+ struct regulator *vbus;
ci = xzalloc(sizeof(*ci));
ci->dev = dev;
@@ -184,9 +187,23 @@ static int imx_chipidea_probe(struct device_d *dev)
ret = ci_udc_register(dev, base);
} else {
dev_err(dev, "No supported role\n");
- ret = -ENODEV;
+ return -ENODEV;
+ }
+
+ if (ret)
+ return ret;
+
+ vbus = regulator_get(dev, "vbus");
+ if (IS_ERR(vbus)) {
+ dev_err(dev, "Failed to get vbus regulator %ld\n", PTR_ERR(vbus));
+ return PTR_ERR(vbus);
}
+ if (ci->mode == IMX_USB_MODE_HOST)
+ ret = regulator_enable(vbus);
+ else
+ ret = regulator_disable(vbus);
+
return ret;
};
--
2.0.1
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