diff options
Diffstat (limited to 'drivers/phy/allwinner/phy-sun4i-usb.c')
| -rw-r--r-- | drivers/phy/allwinner/phy-sun4i-usb.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c index afedb8cd1990..46d60a3bf260 100644 --- a/drivers/phy/allwinner/phy-sun4i-usb.c +++ b/drivers/phy/allwinner/phy-sun4i-usb.c @@ -125,6 +125,7 @@ struct sun4i_usb_phy_cfg { bool dedicated_clocks; bool enable_pmu_unk1; bool phy0_dual_route; + int missing_phys; }; struct sun4i_usb_phy_data { @@ -479,8 +480,11 @@ static int sun4i_usb_phy_set_mode(struct phy *_phy, enum phy_mode mode) struct sun4i_usb_phy_data *data = to_sun4i_usb_phy_data(phy); int new_mode; - if (phy->index != 0) + if (phy->index != 0) { + if (mode == PHY_MODE_USB_HOST) + return 0; return -EINVAL; + } switch (mode) { case PHY_MODE_USB_HOST: @@ -545,6 +549,7 @@ static void sun4i_usb_phy0_id_vbus_det_scan(struct work_struct *work) struct sun4i_usb_phy_data *data = container_of(work, struct sun4i_usb_phy_data, detect.work); struct phy *phy0 = data->phys[0].phy; + struct sun4i_usb_phy *phy = phy_get_drvdata(phy0); bool force_session_end, id_notify = false, vbus_notify = false; int id_det, vbus_det; @@ -601,6 +606,9 @@ static void sun4i_usb_phy0_id_vbus_det_scan(struct work_struct *work) mutex_unlock(&phy0->mutex); } + /* Enable PHY0 passby for host mode only. */ + sun4i_usb_phy_passby(phy, !id_det); + /* Re-route PHY0 if necessary */ if (data->cfg->phy0_dual_route) sun4i_usb_phy0_reroute(data, id_det); @@ -645,6 +653,9 @@ static struct phy *sun4i_usb_phy_xlate(struct device *dev, if (args->args[0] >= data->cfg->num_phys) return ERR_PTR(-ENODEV); + if (data->cfg->missing_phys & BIT(args->args[0])) + return ERR_PTR(-ENODEV); + return data->phys[args->args[0]].phy; } @@ -740,6 +751,9 @@ static int sun4i_usb_phy_probe(struct platform_device *pdev) struct sun4i_usb_phy *phy = data->phys + i; char name[16]; + if (data->cfg->missing_phys & BIT(i)) + continue; + snprintf(name, sizeof(name), "usb%d_vbus", i); phy->vbus = devm_regulator_get_optional(dev, name); if (IS_ERR(phy->vbus)) { |