diff options
| author | Patrice Chotard <patrice.chotard@st.com> | 2017-07-18 11:38:44 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2017-07-28 23:34:05 +0200 |
| commit | f56db163adf9f922020436e5a3f85ffbdbaed04f (patch) | |
| tree | a22b9cb1a9c00ef7c6f636438038a1866fe38056 /drivers | |
| parent | b94888b4c051126b02770066ce1e7f4ea9a1ced8 (diff) | |
usb: host: xhci-dwc3: Add generic PHY support
Add support of generic PHY framework support
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/xhci-dwc3.c | 32 |
1 files changed, 32 insertions, 0 deletions
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 <common.h> #include <dm.h> +#include <fdtdec.h> +#include <generic-phy.h> #include <usb.h> #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); } |