diff options
| author |   William Wu <william.wu@rock-chips.com> | 2016-08-16 22:44:39 +0800 |
|---|---|---|
| committer |   Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-08-25 12:13:11 +0300 |
| commit | 00fe081dc3a37032c05e308c40d241d60c05ebe6 (patch) | |
| tree | 08717b3e4cd39eb6c4998162fc5fa0938595cc65 /drivers/usb/dwc3/core.c | |
| parent | usb: dwc3: make usb2 phy utmi interface configurable (diff) | |
| download | linux-dev-00fe081dc3a37032c05e308c40d241d60c05ebe6.tar.xz linux-dev-00fe081dc3a37032c05e308c40d241d60c05ebe6.zip | |
usb: dwc3: add dis_del_phy_power_chg_quirk
Add a quirk to clear the GUSB3PIPECTL.DELAYP1TRANS bit,
which specifies whether disable delay PHY power change
from P0 to P1/P2/P3 when link state changing from U0
to U1/U2/U3 respectively.
Signed-off-by: William Wu <william.wu@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc3/core.c')
| -rw-r--r-- | drivers/usb/dwc3/core.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index edbca03df60c..b5e0ccc2d88a 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -448,6 +448,9 @@ static int dwc3_phy_setup(struct dwc3 *dwc) if (dwc->dis_u3_susphy_quirk) reg &= ~DWC3_GUSB3PIPECTL_SUSPHY; + if (dwc->dis_del_phy_power_chg_quirk) + reg &= ~DWC3_GUSB3PIPECTL_DEPOCHANGE; + dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg); reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)); @@ -947,6 +950,8 @@ static int dwc3_probe(struct platform_device *pdev) "snps,dis_rxdet_inp3_quirk"); dwc->dis_u2_freeclk_exists_quirk = device_property_read_bool(dev, "snps,dis-u2-freeclk-exists-quirk"); + dwc->dis_del_phy_power_chg_quirk = device_property_read_bool(dev, + "snps,dis-del-phy-power-chg-quirk"); dwc->tx_de_emphasis_quirk = device_property_read_bool(dev, "snps,tx_de_emphasis_quirk"); |