usb: dwc3: add basic PHY support
this will let us control PHYs on platforms which
need them.
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index c34452a..79a24fa 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -50,6 +50,7 @@
#include <linux/dma-mapping.h>
#include <linux/of.h>
+#include <linux/usb/otg.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
@@ -136,6 +137,8 @@
reg |= DWC3_GUSB2PHYCFG_PHYSOFTRST;
dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg);
+ usb_phy_init(dwc->usb2_phy);
+ usb_phy_init(dwc->usb3_phy);
mdelay(100);
/* Clear USB3 PHY reset */
@@ -465,6 +468,18 @@
return -ENOMEM;
}
+ dwc->usb2_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
+ if (IS_ERR_OR_NULL(dwc->usb2_phy)) {
+ dev_err(dev, "no usb2 phy configured\n");
+ return -EPROBE_DEFER;
+ }
+
+ dwc->usb3_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB3);
+ if (IS_ERR_OR_NULL(dwc->usb3_phy)) {
+ dev_err(dev, "no usb3 phy configured\n");
+ return -EPROBE_DEFER;
+ }
+
spin_lock_init(&dwc->lock);
platform_set_drvdata(pdev, dwc);