static int imx_chipidea_probe_dt(struct imx_chipidea *ci)
{
const void *out_args;
struct device_node *usbmisc_np;
enum usb_dr_mode mode;
enum usb_phy_interface phymode;
of_parse_phandles_with_args(ci->dev->device_node, "fsl,usbmisc",
"#index-cells", 0, &usbmisc_np, &out_args);
ci->portno = be32_to_cpup(out_args);
ci->flags = MXC_EHCI_MODE_UTMI_8BIT;
mode = of_usb_get_dr_mode(ci->dev->device_node, NULL);
switch (mode) {
case USB_DR_MODE_HOST:
default:
ci->mode = IMX_USB_MODE_HOST;
break;
case USB_DR_MODE_PERIPHERAL:
ci->mode = IMX_USB_MODE_DEVICE;
break;
}
phymode = of_usb_get_phy_mode(ci->dev->device_node, NULL);
switch (phymode) {
case USBPHY_INTERFACE_MODE_UTMI:
ci->flags = MXC_EHCI_MODE_UTMI_8BIT;
break;
case USBPHY_INTERFACE_MODE_UTMIW:
ci->flags = MXC_EHCI_MODE_UTMI_16_BIT;
break;
case USBPHY_INTERFACE_MODE_ULPI:
ci->flags = MXC_EHCI_MODE_ULPI;
break;
case USBPHY_INTERFACE_MODE_SERIAL:
ci->flags = MXC_EHCI_MODE_SERIAL;
break;
case USBPHY_INTERFACE_MODE_HSIC:
ci->flags = MXC_EHCI_MODE_HSIC;
break;
default:
dev_err(ci->dev, "no or invalid phy mode setting\n");
return -EINVAL;
}
if (of_find_property(ci->dev->device_node, "disable-over-current"))
ci->flags |= MXC_EHCI_DISABLE_OVERCURRENT;
return 0;
}
static int imx_chipidea_probe_dt(struct imx_chipidea *ci)
{
struct of_phandle_args out_args;
enum usb_dr_mode mode;
if (of_parse_phandle_with_args(ci->dev->device_node, "fsl,usbmisc",
"#index-cells", 0, &out_args))
return -ENODEV;
ci->portno = out_args.args[0];
ci->flags = MXC_EHCI_MODE_UTMI_8BIT;
mode = of_usb_get_dr_mode(ci->dev->device_node, NULL);
switch (mode) {
case USB_DR_MODE_HOST:
default:
ci->mode = IMX_USB_MODE_HOST;
break;
case USB_DR_MODE_PERIPHERAL:
ci->mode = IMX_USB_MODE_DEVICE;
break;
}
ci->phymode = of_usb_get_phy_mode(ci->dev->device_node, NULL);
switch (ci->phymode) {
case USBPHY_INTERFACE_MODE_UTMI:
ci->flags = MXC_EHCI_MODE_UTMI_8BIT;
break;
case USBPHY_INTERFACE_MODE_UTMIW:
ci->flags = MXC_EHCI_MODE_UTMI_16_BIT;
break;
case USBPHY_INTERFACE_MODE_ULPI:
ci->flags = MXC_EHCI_MODE_ULPI;
break;
case USBPHY_INTERFACE_MODE_SERIAL:
ci->flags = MXC_EHCI_MODE_SERIAL;
break;
case USBPHY_INTERFACE_MODE_HSIC:
ci->flags = MXC_EHCI_MODE_HSIC;
break;
default:
dev_dbg(ci->dev, "no phy_type setting. Relying on reset default\n");
}
if (of_find_property(ci->dev->device_node,
"disable-over-current", NULL))
ci->flags |= MXC_EHCI_DISABLE_OVERCURRENT;
return 0;
}
static void dwc3_get_properties(struct dwc3 *dwc)
{
struct device *dev = dwc->dev;
u8 lpm_nyet_threshold;
u8 tx_de_emphasis;
u8 hird_threshold;
/* default to highest possible threshold */
lpm_nyet_threshold = 0xff;
/* default to -3.5dB de-emphasis */
tx_de_emphasis = 1;
/*
* default to assert utmi_sleep_n and use maximum allowed HIRD
* threshold value of 0b1100
*/
hird_threshold = 12;
dwc->maximum_speed = usb_get_maximum_speed(dev);
dwc->dr_mode = usb_get_dr_mode(dev);
dwc->hsphy_mode = of_usb_get_phy_mode(dev->of_node);
dwc->sysdev_is_parent = device_property_read_bool(dev,
"linux,sysdev_is_parent");
if (dwc->sysdev_is_parent)
dwc->sysdev = dwc->dev->parent;
else
dwc->sysdev = dwc->dev;
dwc->has_lpm_erratum = device_property_read_bool(dev,
"snps,has-lpm-erratum");
device_property_read_u8(dev, "snps,lpm-nyet-threshold",
&lpm_nyet_threshold);
dwc->is_utmi_l1_suspend = device_property_read_bool(dev,
"snps,is-utmi-l1-suspend");
device_property_read_u8(dev, "snps,hird-threshold",
&hird_threshold);
dwc->usb3_lpm_capable = device_property_read_bool(dev,
"snps,usb3_lpm_capable");
dwc->disable_scramble_quirk = device_property_read_bool(dev,
"snps,disable_scramble_quirk");
dwc->u2exit_lfps_quirk = device_property_read_bool(dev,
"snps,u2exit_lfps_quirk");
dwc->u2ss_inp3_quirk = device_property_read_bool(dev,
"snps,u2ss_inp3_quirk");
dwc->req_p1p2p3_quirk = device_property_read_bool(dev,
"snps,req_p1p2p3_quirk");
dwc->del_p1p2p3_quirk = device_property_read_bool(dev,
"snps,del_p1p2p3_quirk");
dwc->del_phy_power_chg_quirk = device_property_read_bool(dev,
"snps,del_phy_power_chg_quirk");
dwc->lfps_filter_quirk = device_property_read_bool(dev,
"snps,lfps_filter_quirk");
dwc->rx_detect_poll_quirk = device_property_read_bool(dev,
"snps,rx_detect_poll_quirk");
dwc->dis_u3_susphy_quirk = device_property_read_bool(dev,
"snps,dis_u3_susphy_quirk");
dwc->dis_u2_susphy_quirk = device_property_read_bool(dev,
"snps,dis_u2_susphy_quirk");
dwc->dis_enblslpm_quirk = device_property_read_bool(dev,
"snps,dis_enblslpm_quirk");
dwc->dis_rxdet_inp3_quirk = device_property_read_bool(dev,
"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");
device_property_read_u8(dev, "snps,tx_de_emphasis",
&tx_de_emphasis);
device_property_read_string(dev, "snps,hsphy_interface",
&dwc->hsphy_interface);
device_property_read_u32(dev, "snps,quirk-frame-length-adjustment",
&dwc->fladj);
dwc->lpm_nyet_threshold = lpm_nyet_threshold;
dwc->tx_de_emphasis = tx_de_emphasis;
dwc->hird_threshold = hird_threshold
| (dwc->is_utmi_l1_suspend << 4);
dwc->imod_interval = 0;
}
