60 /* sunxi has the phy id/vbus pins not connected, so we use the force bits */
97  * otherwise we get Vbus errors
134 		struct regulator *vbus;  member
396 	/* Fallback: report vbus as high */  in sun4i_usb_phy0_get_vbus_det()
413 	 * generate vbus change interrupts when the board is driving  in sun4i_usb_phy0_poll()
414 	 * vbus using the N_VBUSEN pin on the pmic, so we must poll  in sun4i_usb_phy0_poll()
415 	 * when using the pmic for vbus-det _and_ we're driving vbus.  in sun4i_usb_phy0_poll()
431 	if (!phy->vbus || phy->regulator_on)  in sun4i_usb_phy_power_on()
434 	/* For phy0 only turn on Vbus if we don't have an ext. Vbus */  in sun4i_usb_phy_power_on()
437 		dev_warn(&_phy->dev, "External vbus detected, not enabling our own vbus\n");  in sun4i_usb_phy_power_on()
441 	ret = regulator_enable(phy->vbus);  in sun4i_usb_phy_power_on()
447 	/* We must report Vbus high within OTG_TIME_A_WAIT_VRISE msec. */  in sun4i_usb_phy_power_on()
459 	if (!phy->vbus || !phy->regulator_on)  in sun4i_usb_phy_power_off()
462 	regulator_disable(phy->vbus);  in sun4i_usb_phy_power_off()
466 	 * phy0 vbus typically slowly discharges, sometimes this causes the  in sun4i_usb_phy_power_off()
467 	 * Vbus gpio to not trigger an edge irq on Vbus off, so force a rescan.  in sun4i_usb_phy_power_off()
573 		/* id-change, force session end if we've no vbus detection */  in sun4i_usb_phy0_id_vbus_det_scan()
628 	/* vbus or id changed, let the pins settle and then scan them */  in sun4i_usb_phy0_id_vbus_det_irq()
718 		dev_err(dev, "Couldn't request VBUS detect GPIO\n");  in sun4i_usb_phy_probe()
726 			dev_err(dev, "Couldn't get the VBUS power supply\n");  in sun4i_usb_phy_probe()
756 		phy->vbus = devm_regulator_get_optional(dev, name);  in sun4i_usb_phy_probe()
757 		if (IS_ERR(phy->vbus)) {  in sun4i_usb_phy_probe()
758 			if (PTR_ERR(phy->vbus) == -EPROBE_DEFER) {  in sun4i_usb_phy_probe()
765 			phy->vbus = NULL;  in sun4i_usb_phy_probe()
831 				"usb0-vbus-det", data);  in sun4i_usb_phy_probe()
833 			dev_err(dev, "Err requesting vbus-det-irq: %d\n", ret);  in sun4i_usb_phy_probe()