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usb: dwc2: gadget: Move gadget phy init into core phy init

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Most of the phy initialization is shared between host and gadget,
this adds the turnaround configuration only used by gadgets to
the global phy init.

Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Jules Maselbas <jmaselbas@kalray.eu>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Jules Maselbas 2019-04-05 15:35:33 +02:00 committed by Felipe Balbi
parent 059d8d5287
commit 1e868545f2
2 changed files with 14 additions and 20 deletions
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9
drivers/usb/dwc2/core.c
View File

@ -1152,6 +1152,15 @@ static int dwc2_hs_phy_init(struct dwc2_hsotg *hsotg, bool select_phy)
usbcfg &= ~(GUSBCFG_ULPI_UTMI_SEL | GUSBCFG_PHYIF16);
if (hsotg->params.phy_utmi_width == 16)
usbcfg |= GUSBCFG_PHYIF16;
/* Set turnaround time */
if (dwc2_is_device_mode(hsotg)) {
usbcfg &= ~GUSBCFG_USBTRDTIM_MASK;
if (hsotg->params.phy_utmi_width == 16)
usbcfg |= 5 << GUSBCFG_USBTRDTIM_SHIFT;
else
usbcfg |= 9 << GUSBCFG_USBTRDTIM_SHIFT;
}
break;
default:
dev_err(hsotg->dev, "FS PHY selected at HS!\n");

25
drivers/usb/dwc2/gadget.c
View File

@ -3314,29 +3314,14 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg,
/* keep other bits untouched (so e.g. forced modes are not lost) */
usbcfg = dwc2_readl(hsotg, GUSBCFG);
/* remove the HNP/SRP */
usbcfg &= ~(GUSBCFG_TOUTCAL_MASK | GUSBCFG_PHYIF16 | GUSBCFG_SRPCAP |
GUSBCFG_HNPCAP);
usbcfg &= ~GUSBCFG_TOUTCAL_MASK;
usbcfg |= GUSBCFG_TOUTCAL(7);
if (hsotg->params.phy_type == DWC2_PHY_TYPE_PARAM_FS &&
(hsotg->params.speed == DWC2_SPEED_PARAM_FULL ||
hsotg->params.speed == DWC2_SPEED_PARAM_LOW)) {
/* FS/LS Dedicated Transceiver Interface */
usbcfg |= GUSBCFG_PHYSEL;
} else if (hsotg->params.phy_type == DWC2_PHY_TYPE_PARAM_UTMI) {
if (hsotg->params.phy_utmi_width == 16)
usbcfg |= GUSBCFG_PHYIF16;
/* remove the HNP/SRP and set the PHY */
usbcfg &= ~(GUSBCFG_SRPCAP | GUSBCFG_HNPCAP);
dwc2_writel(hsotg, usbcfg, GUSBCFG);
/* Set turnaround time */
usbcfg &= ~GUSBCFG_USBTRDTIM_MASK;
if (hsotg->params.phy_utmi_width == 16)
usbcfg |= 5 << GUSBCFG_USBTRDTIM_SHIFT;
else
usbcfg |= 9 << GUSBCFG_USBTRDTIM_SHIFT;
}
dwc2_writel(hsotg, usbcfg, GUSBCFG);
dwc2_phy_init(hsotg, true);
dwc2_hsotg_init_fifo(hsotg);