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authorHeikki Krogerus <heikki.krogerus@linux.intel.com>2015-05-13 15:26:51 +0300
committerFelipe Balbi <balbi@ti.com>2015-05-13 20:06:52 +0300
commit88bc9d194ff69875a4d3c958d969ed2a053c8308 (patch)
tree6e13af6001c27da918e19de06d6b77cb114af3ec /drivers/usb/dwc3/core.h
parenta89d977cc04c77d9aa45d426dbf8de9dd1326c77 (diff)
downloadlinux-88bc9d194ff69875a4d3c958d969ed2a053c8308.tar.xz
usb: dwc3: add ULPI interface support
Registers DWC3's ULPI interface with the ULPI bus when it's available. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3/core.h')
-rw-r--r--drivers/usb/dwc3/core.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 7b3ab64a387e..d70da2041d19 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -30,6 +30,7 @@
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include <linux/usb/otg.h>
+#include <linux/ulpi/interface.h>
#include <linux/phy/phy.h>
@@ -661,6 +662,7 @@ struct dwc3_scratchpad_array {
* @usb3_phy: pointer to USB3 PHY
* @usb2_generic_phy: pointer to USB2 PHY
* @usb3_generic_phy: pointer to USB3 PHY
+ * @ulpi: pointer to ulpi interface
* @dcfg: saved contents of DCFG register
* @gctl: saved contents of GCTL register
* @isoch_delay: wValue from Set Isochronous Delay request;
@@ -749,6 +751,8 @@ struct dwc3 {
struct phy *usb2_generic_phy;
struct phy *usb3_generic_phy;
+ struct ulpi *ulpi;
+
void __iomem *regs;
size_t regs_size;
@@ -1047,4 +1051,14 @@ static inline int dwc3_gadget_resume(struct dwc3 *dwc)
}
#endif /* !IS_ENABLED(CONFIG_USB_DWC3_HOST) */
+#if IS_ENABLED(CONFIG_USB_DWC3_ULPI)
+int dwc3_ulpi_init(struct dwc3 *dwc);
+void dwc3_ulpi_exit(struct dwc3 *dwc);
+#else
+static inline int dwc3_ulpi_init(struct dwc3 *dwc)
+{ return 0; }
+static inline void dwc3_ulpi_exit(struct dwc3 *dwc)
+{ }
+#endif
+
#endif /* __DRIVERS_USB_DWC3_CORE_H */