1 // SPDX-License-Identifier: GPL-2.0+
17 #include <linux/usb/otg.h>
22 	unsigned int	id;  member
29 		.id	= (_id),	\
47 	if (phy->flags & ULPI_OTG_ID_PULLUP)  in ulpi_set_otg_flags()
54 	if (phy->flags & ULPI_OTG_DP_PULLDOWN_DIS)  in ulpi_set_otg_flags()
57 	if (phy->flags & ULPI_OTG_DM_PULLDOWN_DIS)  in ulpi_set_otg_flags()
60 	if (phy->flags & ULPI_OTG_EXTVBUSIND)  in ulpi_set_otg_flags()
74 	if (phy->flags & ULPI_FC_HS)  in ulpi_set_fc_flags()
76 	else if (phy->flags & ULPI_FC_LS)  in ulpi_set_fc_flags()
78 	else if (phy->flags & ULPI_FC_FS4LS)  in ulpi_set_fc_flags()
83 	if (phy->flags & ULPI_FC_TERMSEL)  in ulpi_set_fc_flags()
90 	if (phy->flags & ULPI_FC_OP_NODRV)  in ulpi_set_fc_flags()
92 	else if (phy->flags & ULPI_FC_OP_DIS_NRZI)  in ulpi_set_fc_flags()
94 	else if (phy->flags & ULPI_FC_OP_NSYNC_NEOP)  in ulpi_set_fc_flags()
112 	if (phy->flags & ULPI_IC_AUTORESUME)  in ulpi_set_ic_flags()
115 	if (phy->flags & ULPI_IC_EXTVBUS_INDINV)  in ulpi_set_ic_flags()
118 	if (phy->flags & ULPI_IC_IND_PASSTHRU)  in ulpi_set_ic_flags()
121 	if (phy->flags & ULPI_IC_PROTECT_DIS)  in ulpi_set_ic_flags()
158 			return -ENODEV;  in ulpi_check_integrity()
174 		ret = usb_phy_io_read(phy, ULPI_PRODUCT_ID_HIGH - i);  in ulpi_init()
182 	pr_info("ULPI transceiver vendor/product ID 0x%04x/0x%04x\n", vid, pid);  in ulpi_init()
185 		if (ulpi_ids[i].id == ULPI_ID(vid, pid)) {  in ulpi_init()
199 static int ulpi_set_host(struct usb_otg *otg, struct usb_bus *host)  in ulpi_set_host()  argument
201 	struct usb_phy *phy = otg->usb_phy;  in ulpi_set_host()
205 		otg->host = NULL;  in ulpi_set_host()
209 	otg->host = host;  in ulpi_set_host()
215 	if (phy->flags & ULPI_IC_6PIN_SERIAL)  in ulpi_set_host()
217 	else if (phy->flags & ULPI_IC_3PIN_SERIAL)  in ulpi_set_host()
219 	else if (phy->flags & ULPI_IC_CARKIT)  in ulpi_set_host()
225 static int ulpi_set_vbus(struct usb_otg *otg, bool on)  in ulpi_set_vbus()  argument
227 	struct usb_phy *phy = otg->usb_phy;  in ulpi_set_vbus()
233 		if (phy->flags & ULPI_OTG_DRVVBUS)  in ulpi_set_vbus()
236 		if (phy->flags & ULPI_OTG_DRVVBUS_EXT)  in ulpi_set_vbus()
243 static void otg_ulpi_init(struct usb_phy *phy, struct usb_otg *otg,  in otg_ulpi_init()  argument
247 	phy->label	= "ULPI";  in otg_ulpi_init()
248 	phy->flags	= flags;  in otg_ulpi_init()
249 	phy->io_ops	= ops;  in otg_ulpi_init()
250 	phy->otg	= otg;  in otg_ulpi_init()
251 	phy->init	= ulpi_init;  in otg_ulpi_init()
253 	otg->usb_phy	= phy;  in otg_ulpi_init()
254 	otg->set_host	= ulpi_set_host;  in otg_ulpi_init()
255 	otg->set_vbus	= ulpi_set_vbus;  in otg_ulpi_init()
263 	struct usb_otg *otg;  in otg_ulpi_create()  local
269 	otg = kzalloc(sizeof(*otg), GFP_KERNEL);  in otg_ulpi_create()
270 	if (!otg) {  in otg_ulpi_create()
275 	otg_ulpi_init(phy, otg, ops, flags);  in otg_ulpi_create()
287 	struct usb_otg *otg;  in devm_otg_ulpi_create()  local
293 	otg = devm_kzalloc(dev, sizeof(*otg), GFP_KERNEL);  in devm_otg_ulpi_create()
294 	if (!otg) {  in devm_otg_ulpi_create()
299 	otg_ulpi_init(phy, otg, ops, flags);  in devm_otg_ulpi_create()