From: Patrice Chotard Date: Tue, 18 Jul 2017 09:38:44 +0000 (+0200) Subject: usb: host: xhci-dwc3: Add generic PHY support X-Git-Tag: v2017.09-rc1~32^2~55 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=f56db163adf9f922020436e5a3f85ffbdbaed04f;p=u-boot usb: host: xhci-dwc3: Add generic PHY support Add support of generic PHY framework support Signed-off-by: Patrice Chotard Reviewed-by: Marek Vasut Reviewed-by: Simon Glass --- diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c index 93ae986b4d..374fe743fe 100644 --- a/drivers/usb/host/xhci-dwc3.c +++ b/drivers/usb/host/xhci-dwc3.c @@ -10,6 +10,8 @@ #include #include +#include +#include #include #include "xhci.h" @@ -19,6 +21,10 @@ DECLARE_GLOBAL_DATA_PTR; +struct xhci_dwc3_platdata { + struct phy usb_phy; +}; + void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode) { clrsetbits_le32(&dwc3_reg->g_ctl, @@ -112,11 +118,26 @@ static int xhci_dwc3_probe(struct udevice *dev) struct xhci_hccr *hccr; struct dwc3 *dwc3_reg; enum usb_dr_mode dr_mode; + int ret; hccr = (struct xhci_hccr *)devfdt_get_addr(dev); hcor = (struct xhci_hcor *)((phys_addr_t)hccr + HC_LENGTH(xhci_readl(&(hccr)->cr_capbase))); + ret = generic_phy_get_by_index(dev, 0, &plat->usb_phy); + if (ret) { + if (ret != -ENOENT) { + error("Failed to get USB PHY for %s\n", dev->name); + return ret; + } + } else { + ret = generic_phy_init(&plat->usb_phy); + if (ret) { + error("Can't init USB PHY for %s\n", dev->name); + return ret; + } + } + dwc3_reg = (struct dwc3 *)((char *)(hccr) + DWC3_REG_OFFSET); dwc3_core_init(dwc3_reg); @@ -133,6 +154,17 @@ static int xhci_dwc3_probe(struct udevice *dev) static int xhci_dwc3_remove(struct udevice *dev) { + struct xhci_dwc3_platdata *plat = dev_get_platdata(dev); + int ret; + + if (generic_phy_valid(&plat->usb_phy)) { + ret = generic_phy_exit(&plat->usb_phy); + if (ret) { + error("Can't deinit USB PHY for %s\n", dev->name); + return ret; + } + } + return xhci_deregister(dev); }