diff options
| author | Huang Rui <ray.huang@amd.com> | 2014-10-31 06:11:14 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2014-11-03 19:03:39 +0300 |
| commit | 0effe0a3e741c0e2318f541ce207c9bd6cfe985c (patch) | |
| tree | 12e9459e375e2b9ea3891dc267e9771371571a73 /drivers/usb/dwc3/core.c | |
| parent | 59acfa208164205f94a11f454d08cd88f06b9908 (diff) | |
| download | linux-0effe0a3e741c0e2318f541ce207c9bd6cfe985c.tar.xz | |
usb: dwc3: add disable usb2 suspend phy quirk
This patch adds disable usb2 suspend phy quirk, and some special platforms
can configure that if it is needed.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3/core.c')
| -rw-r--r-- | drivers/usb/dwc3/core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 87ffb86bc2f2..3ea55f214439 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -422,6 +422,9 @@ static void dwc3_phy_setup(struct dwc3 *dwc) if (dwc->revision > DWC3_REVISION_194A) reg |= DWC3_GUSB2PHYCFG_SUSPHY; + if (dwc->dis_u2_susphy_quirk && dwc->is_fpga) + reg &= ~DWC3_GUSB2PHYCFG_SUSPHY; + dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); mdelay(100); @@ -817,6 +820,8 @@ static int dwc3_probe(struct platform_device *pdev) "snps,rx_detect_poll_quirk"); dwc->dis_u3_susphy_quirk = of_property_read_bool(node, "snps,dis_u3_susphy_quirk"); + dwc->dis_u2_susphy_quirk = of_property_read_bool(node, + "snps,dis_u2_susphy_quirk"); dwc->tx_de_emphasis_quirk = of_property_read_bool(node, "snps,tx_de_emphasis_quirk"); @@ -840,6 +845,7 @@ static int dwc3_probe(struct platform_device *pdev) dwc->lfps_filter_quirk = pdata->lfps_filter_quirk; dwc->rx_detect_poll_quirk = pdata->rx_detect_poll_quirk; dwc->dis_u3_susphy_quirk = pdata->dis_u3_susphy_quirk; + dwc->dis_u2_susphy_quirk = pdata->dis_u2_susphy_quirk; dwc->tx_de_emphasis_quirk = pdata->tx_de_emphasis_quirk; if (pdata->tx_de_emphasis) |