That bit still needs to be set for recent versions
of the IP. When necessary, IP will automatically
take PHYs out of suspend.
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
changes since v1:
wrap code with revision check
drivers/usb/dwc3/core.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 2864aad..1cf1fb5 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -412,6 +412,16 @@ static int dwc3_core_init(struct dwc3 *dwc)
dwc3_writel(dwc->regs, DWC3_GCTL, reg);
+ if (dwc->revision >= DWC3_REVISION_194A) {
+ reg = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0));
+ reg |= DWC3_GUSB3PIPECTL_SUSPHY;
+ dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg);
+
+ reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0));
+ reg |= DWC3_GUSB2PHYCFG_SUSPHY;
+ dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg);
+ }
+
ret = dwc3_alloc_scratch_buffers(dwc);
if (ret)
goto err1;
--
1.9.0
--
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