When the role in the device tree is specified as "otg" then register
a otg device in barebox so that the user can configure the desired mode.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
drivers/usb/dwc3/Kconfig | 1 +
drivers/usb/dwc3/core.c | 14 +++++++++++---
drivers/usb/dwc3/core.h | 1 -
3 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig
index 09da121374..2eb8e9c85a 100644
--- a/drivers/usb/dwc3/Kconfig
+++ b/drivers/usb/dwc3/Kconfig
@@ -2,6 +2,7 @@ config USB_DWC3
tristate "DesignWare USB3 DRD Core Support"
depends on USB && HAS_DMA
select USB_XHCI
+ select USB_OTGDEV
help
Say Y or M here if your system has a Dual Role SuperSpeed
USB controller based on the DesignWare USB3 IP Core.
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index ad84708da2..04b700d12d 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -936,12 +936,13 @@ static int dwc3_core_get_phy(struct dwc3 *dwc)
return 0;
}
-static int dwc3_core_init_mode(struct dwc3 *dwc)
+static int dwc3_set_mode(void *ctx, enum usb_dr_mode mode)
{
+ struct dwc3 *dwc = ctx;
struct device_d *dev = dwc->dev;
int ret;
- switch (dwc->dr_mode) {
+ switch (mode) {
case USB_DR_MODE_PERIPHERAL:
dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_DEVICE);
@@ -963,13 +964,20 @@ static int dwc3_core_init_mode(struct dwc3 *dwc)
}
break;
default:
- dev_err(dev, "Unsupported mode of operation %d\n", dwc->dr_mode);
return -EINVAL;
}
return 0;
}
+static int dwc3_core_init_mode(struct dwc3 *dwc)
+{
+ if (dwc->dr_mode == USB_DR_MODE_OTG)
+ return usb_register_otg_device(dwc->dev, dwc3_set_mode, dwc);
+ else
+ return dwc3_set_mode(dwc, dwc->dr_mode);
+}
+
static void dwc3_get_properties(struct dwc3 *dwc)
{
struct device_d *dev = dwc->dev;
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index df0a188a63..f2f7a311d1 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -1336,7 +1336,6 @@ struct dwc3_gadget_ep_cmd_params {
/* prototypes */
int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc);
void dwc3_set_prtcap(struct dwc3 *dwc, u32 mode);
-void dwc3_set_mode(struct dwc3 *dwc, u32 mode);
/* check whether we are on the DWC_usb3 core */
static inline bool dwc3_is_usb3(struct dwc3 *dwc)
--
2.24.0
_______________________________________________
barebox mailing list
barebox@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/barebox
