diff options
Diffstat (limited to 'drivers/usb/musb')
| -rw-r--r-- | drivers/usb/musb/musb_core.c | 19 | ||||
| -rw-r--r-- | drivers/usb/musb/musb_core.h | 6 |
2 files changed, 25 insertions, 0 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index a5ead84d68d1..a109f22fefcd 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -100,6 +100,7 @@ #include <linux/io.h> #include <linux/dma-mapping.h> #include <linux/usb.h> +#include <linux/usb/of.h> #include "musb_core.h" #include "musb_trace.h" @@ -130,6 +131,24 @@ static inline struct musb *dev_to_musb(struct device *dev) return dev_get_drvdata(dev); } +enum musb_mode musb_get_mode(struct device *dev) +{ + enum usb_dr_mode mode; + + mode = usb_get_dr_mode(dev); + switch (mode) { + case USB_DR_MODE_HOST: + return MUSB_HOST; + case USB_DR_MODE_PERIPHERAL: + return MUSB_PERIPHERAL; + case USB_DR_MODE_OTG: + case USB_DR_MODE_UNKNOWN: + default: + return MUSB_OTG; + } +} +EXPORT_SYMBOL_GPL(musb_get_mode); + /*-------------------------------------------------------------------------*/ #ifndef CONFIG_BLACKFIN diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index 2cb88a498f8a..76f00f61b874 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -617,4 +617,10 @@ static inline void musb_platform_post_root_reset_end(struct musb *musb) musb->ops->post_root_reset_end(musb); } +/* + * gets the "dr_mode" property from DT and converts it into musb_mode + * if the property is not found or not recognized returns MUSB_OTG + */ +extern enum musb_mode musb_get_mode(struct device *dev); + #endif /* __MUSB_CORE_H__ */ |