diff options
| author | Felipe Balbi <balbi@ti.com> | 2012-07-19 14:09:48 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2012-09-10 19:29:43 +0300 |
| commit | 51e1e7bcef53e6a91cfffff0145ab315def61f61 (patch) | |
| tree | 5c8abd62f7d4b9a64208b8f2eababc948b158832 | |
| parent | d720f057fda4bae91a5108a11587374b9e396c6a (diff) | |
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>
| -rw-r--r-- | drivers/usb/dwc3/core.c | 15 | ||||
| -rw-r--r-- | drivers/usb/dwc3/core.h | 5 |
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index c34452a7304f..79a24fab13d1 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 @@ static void dwc3_core_soft_reset(struct dwc3 *dwc) 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 @@ static int __devinit dwc3_probe(struct platform_device *pdev) 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); diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 151eca876dfd..dbc5713d84fb 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -624,6 +624,8 @@ struct dwc3_scratchpad_array { * @maximum_speed: maximum speed requested (mainly for testing purposes) * @revision: revision register contents * @mode: mode of operation + * @usb2_phy: pointer to USB2 PHY + * @usb3_phy: pointer to USB3 PHY * @is_selfpowered: true when we are selfpowered * @three_stage_setup: set if we perform a three phase setup * @ep0_bounced: true when we used bounce buffer @@ -667,6 +669,9 @@ struct dwc3 { struct usb_gadget gadget; struct usb_gadget_driver *gadget_driver; + struct usb_phy *usb2_phy; + struct usb_phy *usb3_phy; + void __iomem *regs; size_t regs_size; |