1 // SPDX-License-Identifier: GPL-2.0
3 * R8A66597 HCD (Host Controller Driver) for u-boot
5 * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
13 #include <linux/iopoll.h>
14 #include <power/regulator.h>
19 #define R8A66597_DPRINT printf
21 #define R8A66597_DPRINT(...)
24 static inline struct usb_device *usb_dev_get_parent(struct usb_device *udev)
26 struct udevice *parent = udev->dev->parent;
29 * When called from usb-uclass.c: usb_scan_device() udev->dev points
30 * to the parent udevice, not the actual udevice belonging to the
31 * udev as the device is not instantiated yet.
33 * If dev is an usb-bus, then we are called from usb_scan_device() for
34 * an usb-device plugged directly into the root port, return NULL.
36 if (device_get_uclass_id(udev->dev) == UCLASS_USB)
40 * If these 2 are not the same we are being called from
41 * usb_scan_device() and udev itself is the parent.
43 if (dev_get_parent_priv(udev->dev) != udev)
46 /* We are being called normally, use the parent pointer */
47 if (device_get_uclass_id(parent) == UCLASS_USB_HUB)
48 return dev_get_parent_priv(parent);
53 static void get_hub_data(struct usb_device *dev, u16 *hub_devnum, u16 *hubport)
55 struct usb_device *parent = usb_dev_get_parent(dev);
60 /* check a device connected to root_hub */
61 if ((parent && parent->devnum == 1) ||
65 *hub_devnum = (u8)parent->devnum;
66 *hubport = parent->portnr - 1;
69 static void set_devadd(struct r8a66597 *r8a66597, u8 r8a66597_address,
70 struct usb_device *dev, int port)
72 u16 val, usbspd, upphub, hubport;
73 unsigned long devadd_reg = get_devadd_addr(r8a66597_address);
75 get_hub_data(dev, &upphub, &hubport);
76 usbspd = r8a66597->speed;
77 val = (upphub << 11) | (hubport << 8) | (usbspd << 6) | (port & 0x0001);
78 r8a66597_write(r8a66597, val, devadd_reg);
81 static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
87 r8a66597_write(r8a66597, USBE, SYSCFG0);
88 tmp = r8a66597_read(r8a66597, SYSCFG0);
90 printf("register access fail.\n");
93 } while ((tmp & USBE) != USBE);
94 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
97 * Bits XTAL(UCKSEL) and UPLLE in SYSCFG0 for USB0 controls both USB0
98 * and USB1, so we must always set the USB0 register
100 #if (CONFIG_R8A66597_XTAL == 1)
101 r8a66597_bset(r8a66597, XTAL, SYSCFG0);
104 r8a66597_bset(r8a66597, UPLLE, SYSCFG0);
106 r8a66597_bset(r8a66597, SUSPM, SUSPMODE0);
111 static void r8a66597_clock_disable(struct r8a66597 *r8a66597)
113 r8a66597_bclr(r8a66597, SUSPM, SUSPMODE0);
115 r8a66597_bclr(r8a66597, UPLLE, SYSCFG0);
117 r8a66597_bclr(r8a66597, USBE, SYSCFG0);
121 static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port)
125 val = port ? DRPD : DCFM | DRPD;
126 r8a66597_bset(r8a66597, val, get_syscfg_reg(port));
127 r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port));
130 static void r8a66597_disable_port(struct r8a66597 *r8a66597, int port)
134 r8a66597_write(r8a66597, 0, get_intenb_reg(port));
135 r8a66597_write(r8a66597, 0, get_intsts_reg(port));
137 r8a66597_port_power(r8a66597, port, 0);
140 tmp = r8a66597_read(r8a66597, SOFCFG) & EDGESTS;
142 } while (tmp == EDGESTS);
144 val = port ? DRPD : DCFM | DRPD;
145 r8a66597_bclr(r8a66597, val, get_syscfg_reg(port));
146 r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port));
149 static int enable_controller(struct r8a66597 *r8a66597)
153 ret = r8a66597_clock_enable(r8a66597);
157 r8a66597_bset(r8a66597, USBE, SYSCFG0);
159 r8a66597_bset(r8a66597, INTL, SOFCFG);
160 r8a66597_write(r8a66597, 0, INTENB0);
161 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
162 r8a66597_write(r8a66597, 0, get_intenb_reg(port));
164 r8a66597_bclr(r8a66597, BIGEND, CFIFOSEL);
165 r8a66597_bclr(r8a66597, BIGEND, D0FIFOSEL);
166 r8a66597_bclr(r8a66597, BIGEND, D1FIFOSEL);
167 r8a66597_bset(r8a66597, TRNENSEL, SOFCFG);
169 for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
170 r8a66597_enable_port(r8a66597, port);
175 static void disable_controller(struct r8a66597 *r8a66597)
179 if (!(r8a66597_read(r8a66597, SYSCFG0) & USBE))
182 r8a66597_write(r8a66597, 0, INTENB0);
183 r8a66597_write(r8a66597, 0, INTSTS0);
185 r8a66597_write(r8a66597, 0, D0FIFOSEL);
186 r8a66597_write(r8a66597, 0, D1FIFOSEL);
187 r8a66597_write(r8a66597, 0, DCPCFG);
188 r8a66597_write(r8a66597, 0x40, DCPMAXP);
189 r8a66597_write(r8a66597, 0, DCPCTR);
191 for (i = 0; i <= 10; i++)
192 r8a66597_write(r8a66597, 0, get_devadd_addr(i));
193 for (i = 1; i <= 5; i++) {
194 r8a66597_write(r8a66597, 0, get_pipetre_addr(i));
195 r8a66597_write(r8a66597, 0, get_pipetrn_addr(i));
197 for (i = 1; i < R8A66597_MAX_NUM_PIPE; i++) {
198 r8a66597_write(r8a66597, 0, get_pipectr_addr(i));
199 r8a66597_write(r8a66597, i, PIPESEL);
200 r8a66597_write(r8a66597, 0, PIPECFG);
201 r8a66597_write(r8a66597, 0, PIPEBUF);
202 r8a66597_write(r8a66597, 0, PIPEMAXP);
203 r8a66597_write(r8a66597, 0, PIPEPERI);
206 for (i = 0; i < R8A66597_MAX_ROOT_HUB; i++)
207 r8a66597_disable_port(r8a66597, i);
209 r8a66597_clock_disable(r8a66597);
212 static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg,
219 tmp = r8a66597_read(r8a66597, reg);
221 printf("register%lx, loop %x is timeout\n", reg, loop);
224 } while ((tmp & mask) != loop);
227 static void pipe_buffer_setting(struct r8a66597 *r8a66597,
228 struct usb_device *dev, unsigned long pipe)
231 u16 pipenum, bufnum, maxpacket;
233 if (usb_pipein(pipe)) {
234 pipenum = BULK_IN_PIPENUM;
235 bufnum = BULK_IN_BUFNUM;
236 maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
238 pipenum = BULK_OUT_PIPENUM;
239 bufnum = BULK_OUT_BUFNUM;
240 maxpacket = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
243 if (r8a66597->pipe_config & (1 << pipenum))
245 r8a66597->pipe_config |= (1 << pipenum);
247 r8a66597_bset(r8a66597, ACLRM, get_pipectr_addr(pipenum));
248 r8a66597_bclr(r8a66597, ACLRM, get_pipectr_addr(pipenum));
249 r8a66597_write(r8a66597, pipenum, PIPESEL);
251 /* FIXME: This driver support bulk transfer only. */
252 if (!usb_pipein(pipe))
255 val |= R8A66597_SHTNAK;
256 val |= R8A66597_BULK | R8A66597_DBLB | usb_pipeendpoint(pipe);
257 r8a66597_write(r8a66597, val, PIPECFG);
259 r8a66597_write(r8a66597, (8 << 10) | bufnum, PIPEBUF);
260 r8a66597_write(r8a66597, make_devsel(usb_pipedevice(pipe)) |
261 maxpacket, PIPEMAXP);
262 r8a66597_write(r8a66597, 0, PIPEPERI);
263 r8a66597_write(r8a66597, SQCLR, get_pipectr_addr(pipenum));
266 static int send_setup_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
267 struct devrequest *setup)
270 unsigned short *p = (unsigned short *)setup;
271 unsigned long setup_addr = USBREQ;
275 u16 devsel = setup->request == USB_REQ_SET_ADDRESS ? 0 : dev->devnum;
277 r8a66597_write(r8a66597, make_devsel(devsel) |
278 (8 << dev->maxpacketsize), DCPMAXP);
279 r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1);
281 dcpctr = r8a66597_read(r8a66597, DCPCTR);
282 if ((dcpctr & PID) == PID_BUF) {
283 if (readw_poll_timeout(r8a66597->reg + DCPCTR, dcpctr,
284 dcpctr & BSTS, 1000) < 0) {
285 printf("DCPCTR BSTS timeout!\n");
290 for (i = 0; i < 4; i++) {
291 r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr);
294 r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
295 r8a66597_write(r8a66597, SUREQ, DCPCTR);
298 intsts1 = r8a66597_read(r8a66597, INTSTS1);
301 if (intsts1 & SIGN) {
302 printf("setup packet send error\n");
306 printf("setup packet timeout\n");
315 static int send_bulk_packet(struct r8a66597 *r8a66597, struct usb_device *dev,
316 unsigned long pipe, void *buffer, int transfer_len)
322 R8A66597_DPRINT("%s\n", __func__);
324 r8a66597_mdfy(r8a66597, MBW | BULK_OUT_PIPENUM,
325 MBW | CURPIPE, CFIFOSEL);
326 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, BULK_OUT_PIPENUM);
327 tmp = r8a66597_read(r8a66597, CFIFOCTR);
328 if ((tmp & FRDY) == 0) {
329 printf("%s FRDY is not set (%x)\n", __func__, tmp);
333 /* prepare parameters */
334 bufsize = dev->epmaxpacketout[usb_pipeendpoint(pipe)];
335 buf = (u16 *)(buffer + dev->act_len);
336 size = min((int)bufsize, transfer_len - dev->act_len);
339 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
341 r8a66597_write_fifo(r8a66597, CFIFO, buf, size);
342 r8a66597_write(r8a66597, BVAL, CFIFOCTR);
345 /* update parameters */
346 dev->act_len += size;
348 r8a66597_mdfy(r8a66597, PID_BUF, PID,
349 get_pipectr_addr(BULK_OUT_PIPENUM));
351 while (!(r8a66597_read(r8a66597, BEMPSTS) & (1 << BULK_OUT_PIPENUM)))
354 r8a66597_write(r8a66597, ~(1 << BULK_OUT_PIPENUM), BEMPSTS);
356 if (dev->act_len >= transfer_len)
357 r8a66597_mdfy(r8a66597, PID_NAK, PID,
358 get_pipectr_addr(BULK_OUT_PIPENUM));
363 static int receive_bulk_packet(struct r8a66597 *r8a66597,
364 struct usb_device *dev,
366 void *buffer, int transfer_len)
370 const u16 pipenum = BULK_IN_PIPENUM;
372 int maxpacket = dev->epmaxpacketin[usb_pipeendpoint(pipe)];
374 R8A66597_DPRINT("%s\n", __func__);
377 if (dev->act_len == 0) {
378 r8a66597_mdfy(r8a66597, PID_NAK, PID,
379 get_pipectr_addr(pipenum));
380 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
382 r8a66597_write(r8a66597, TRCLR, get_pipetre_addr(pipenum));
383 r8a66597_write(r8a66597,
384 (transfer_len + maxpacket - 1) / maxpacket,
385 get_pipetrn_addr(pipenum));
386 r8a66597_bset(r8a66597, TRENB, get_pipetre_addr(pipenum));
388 r8a66597_mdfy(r8a66597, PID_BUF, PID,
389 get_pipectr_addr(pipenum));
392 r8a66597_mdfy(r8a66597, MBW | pipenum, MBW | CURPIPE, CFIFOSEL);
393 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum);
395 while (!(r8a66597_read(r8a66597, BRDYSTS) & (1 << pipenum)))
398 r8a66597_write(r8a66597, ~(1 << pipenum), BRDYSTS);
400 tmp = r8a66597_read(r8a66597, CFIFOCTR);
401 if ((tmp & FRDY) == 0) {
402 printf("%s FRDY is not set. (%x)\n", __func__, tmp);
406 buf = (u16 *)(buffer + dev->act_len);
407 rcv_len = tmp & DTLN;
408 dev->act_len += rcv_len;
412 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
414 r8a66597_read_fifo(r8a66597, CFIFO, buf, rcv_len);
420 static int receive_control_packet(struct r8a66597 *r8a66597,
421 struct usb_device *dev,
422 void *buffer, int transfer_len)
427 /* FIXME: limit transfer size : 64byte or less */
429 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
430 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
431 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
432 r8a66597_bset(r8a66597, SQSET, DCPCTR);
433 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
434 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
436 while (!(r8a66597_read(r8a66597, BRDYSTS) & 0x0001))
439 r8a66597_write(r8a66597, ~0x0001, BRDYSTS);
441 r8a66597_mdfy(r8a66597, MBW, MBW | CURPIPE, CFIFOSEL);
442 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
444 tmp = r8a66597_read(r8a66597, CFIFOCTR);
445 if ((tmp & FRDY) == 0) {
446 printf("%s FRDY is not set. (%x)\n", __func__, tmp);
450 rcv_len = tmp & DTLN;
451 dev->act_len += rcv_len;
453 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
457 r8a66597_write(r8a66597, BCLR, DCPCTR);
459 r8a66597_read_fifo(r8a66597, CFIFO, buffer, rcv_len);
465 static int send_status_packet(struct r8a66597 *r8a66597,
468 r8a66597_bset(r8a66597, SQSET, DCPCTR);
469 r8a66597_mdfy(r8a66597, PID_NAK, PID, DCPCTR);
471 if (usb_pipein(pipe)) {
472 r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG);
473 r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL);
474 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
475 r8a66597_write(r8a66597, ~BEMP0, BEMPSTS);
476 r8a66597_write(r8a66597, BCLR | BVAL, CFIFOCTR);
478 r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG);
479 r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL);
480 r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0);
481 r8a66597_write(r8a66597, BCLR, CFIFOCTR);
483 r8a66597_mdfy(r8a66597, PID_BUF, PID, DCPCTR);
485 while (!(r8a66597_read(r8a66597, BEMPSTS) & 0x0001))
492 static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port)
494 int count = R8A66597_MAX_SAMPLING;
495 unsigned short syssts, old_syssts;
497 R8A66597_DPRINT("%s\n", __func__);
499 old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
501 mdelay(R8A66597_RH_POLL_TIME);
503 syssts = r8a66597_read(r8a66597, get_syssts_reg(port) & LNST);
504 if (syssts == old_syssts) {
507 count = R8A66597_MAX_SAMPLING;
513 static void r8a66597_bus_reset(struct r8a66597 *r8a66597, int port)
516 r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, get_dvstctr_reg(port));
518 r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, get_dvstctr_reg(port));
522 static int check_usb_device_connecting(struct r8a66597 *r8a66597)
524 int timeout = 10000; /* 100usec * 10000 = 1sec */
527 for (i = 0; i < 5; i++) {
528 /* check a usb cable connect */
529 while (!(r8a66597_read(r8a66597, INTSTS1) & ATTCH)) {
531 printf("%s timeout.\n", __func__);
537 /* check a data line */
538 r8a66597_check_syssts(r8a66597, 0);
540 r8a66597_bus_reset(r8a66597, 0);
541 r8a66597->speed = get_rh_usb_speed(r8a66597, 0);
543 if (!(r8a66597_read(r8a66597, INTSTS1) & DTCH)) {
544 r8a66597->port_change = USB_PORT_STAT_C_CONNECTION;
545 r8a66597->port_status = USB_PORT_STAT_CONNECTION |
546 USB_PORT_STAT_ENABLE;
547 return 0; /* success */
550 R8A66597_DPRINT("USB device has detached. retry = %d\n", i);
551 r8a66597_write(r8a66597, ~DTCH, INTSTS1);
554 return -1; /* fail */
557 /* Virtual Root Hub */
559 #include <usbroothubdes.h>
561 static int r8a66597_submit_rh_msg(struct udevice *udev, struct usb_device *dev,
562 unsigned long pipe, void *buffer,
563 int transfer_len, struct devrequest *cmd)
565 struct r8a66597 *r8a66597 = dev_get_priv(udev);
566 int leni = transfer_len;
572 unsigned char data[32];
574 R8A66597_DPRINT("%s\n", __func__);
576 if (usb_pipeint(pipe)) {
577 printf("Root-Hub submit IRQ: NOT implemented");
581 bmRType_bReq = cmd->requesttype | (cmd->request << 8);
582 wValue = cpu_to_le16 (cmd->value);
583 wLength = cpu_to_le16 (cmd->length);
585 switch (bmRType_bReq) {
587 *(__u16 *)buffer = cpu_to_le16(1);
590 case RH_GET_STATUS | RH_INTERFACE:
591 *(__u16 *)buffer = cpu_to_le16(0);
594 case RH_GET_STATUS | RH_ENDPOINT:
595 *(__u16 *)buffer = cpu_to_le16(0);
598 case RH_GET_STATUS | RH_CLASS:
599 *(__u32 *)buffer = cpu_to_le32(0);
602 case RH_GET_STATUS | RH_OTHER | RH_CLASS:
603 *(__u32 *)buffer = cpu_to_le32(r8a66597->port_status |
604 (r8a66597->port_change << 16));
607 case RH_CLEAR_FEATURE | RH_ENDPOINT:
608 case RH_CLEAR_FEATURE | RH_CLASS:
611 case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS:
613 case RH_C_PORT_CONNECTION:
614 r8a66597->port_change &= ~USB_PORT_STAT_C_CONNECTION;
619 case RH_SET_FEATURE | RH_OTHER | RH_CLASS:
621 case (RH_PORT_SUSPEND):
623 case (RH_PORT_RESET):
624 r8a66597_bus_reset(r8a66597, 0);
626 case (RH_PORT_POWER):
628 case (RH_PORT_ENABLE):
633 r8a66597->rh_devnum = wValue;
635 case RH_GET_DESCRIPTOR:
636 switch ((wValue & 0xff00) >> 8) {
637 case (0x01): /* device descriptor */
638 len = min_t(unsigned int,
641 sizeof(root_hub_dev_des),
643 memcpy(buffer, root_hub_dev_des, len);
645 case (0x02): /* configuration descriptor */
646 len = min_t(unsigned int,
649 sizeof(root_hub_config_des),
651 memcpy(buffer, root_hub_config_des, len);
653 case (0x03): /* string descriptors */
654 if (wValue == 0x0300) {
655 len = min_t(unsigned int,
658 sizeof(root_hub_str_index0),
660 memcpy(buffer, root_hub_str_index0, len);
662 if (wValue == 0x0301) {
663 len = min_t(unsigned int,
666 sizeof(root_hub_str_index1),
668 memcpy(buffer, root_hub_str_index1, len);
672 stat = USB_ST_STALLED;
676 case RH_GET_DESCRIPTOR | RH_CLASS:
678 __u32 temp = 0x00000001;
680 data[0] = 9; /* min length; */
682 data[2] = temp & RH_A_NDP;
686 if (temp & RH_A_NOCP)
688 else if (temp & RH_A_OCPM)
691 /* corresponds to data[4-7] */
692 data[5] = (temp & RH_A_POTPGT) >> 24;
693 data[7] = temp & RH_B_DR;
698 data[8] = (temp & RH_B_DR) >> 8;
703 len = min_t(unsigned int, leni,
704 min_t(unsigned int, data[0], wLength));
705 memcpy(buffer, data, len);
709 case RH_GET_CONFIGURATION:
710 *(__u8 *)buffer = 0x01;
713 case RH_SET_CONFIGURATION:
716 R8A66597_DPRINT("unsupported root hub command");
717 stat = USB_ST_STALLED;
722 len = min_t(int, len, leni);
730 static int r8a66597_submit_control_msg(struct udevice *udev,
731 struct usb_device *dev,
732 unsigned long pipe, void *buffer,
733 int length, struct devrequest *setup)
735 struct r8a66597 *r8a66597 = dev_get_priv(udev);
736 u16 r8a66597_address = setup->request == USB_REQ_SET_ADDRESS ?
739 debug("%s: dev='%s', udev=%p, udev->dev='%s', portnr=%d\n", __func__,
740 udev->name, dev, dev->dev->name, dev->portnr);
742 R8A66597_DPRINT("%s\n", __func__);
743 if (usb_pipedevice(pipe) == r8a66597->rh_devnum)
744 return r8a66597_submit_rh_msg(udev, dev, pipe, buffer,
747 R8A66597_DPRINT("%s: setup\n", __func__);
748 set_devadd(r8a66597, r8a66597_address, dev, 0);
750 if (send_setup_packet(r8a66597, dev, setup) < 0) {
751 printf("setup packet send error\n");
756 if (usb_pipein(pipe))
757 if (receive_control_packet(r8a66597, dev, buffer,
761 if (send_status_packet(r8a66597, pipe) < 0)
769 static int r8a66597_submit_bulk_msg(struct udevice *udev,
770 struct usb_device *dev, unsigned long pipe,
771 void *buffer, int length)
773 struct r8a66597 *r8a66597 = dev_get_priv(udev);
776 debug("%s: dev='%s', udev=%p\n", __func__, udev->name, dev);
778 R8A66597_DPRINT("%s\n", __func__);
779 R8A66597_DPRINT("pipe = %08x, buffer = %p, len = %d, devnum = %d\n",
780 pipe, buffer, length, dev->devnum);
782 set_devadd(r8a66597, dev->devnum, dev, 0);
784 pipe_buffer_setting(r8a66597, dev, pipe);
787 while (dev->act_len < length && ret == 0) {
791 if (usb_pipein(pipe))
792 ret = receive_bulk_packet(r8a66597, dev, pipe, buffer,
795 ret = send_bulk_packet(r8a66597, dev, pipe, buffer,
805 static int r8a66597_usb_ofdata_to_platdata(struct udevice *dev)
807 struct r8a66597 *priv = dev_get_priv(dev);
810 addr = dev_read_addr(dev);
811 if (addr == FDT_ADDR_T_NONE)
818 static int r8a66597_usb_probe(struct udevice *dev)
820 struct r8a66597 *priv = dev_get_priv(dev);
821 struct usb_bus_priv *bus_priv = dev_get_uclass_priv(dev);
824 bus_priv->desc_before_addr = true;
826 if (CONFIG_IS_ENABLED(DM_REGULATOR)) {
827 ret = device_get_supply_regulator(dev, "vbus-supply",
831 "can't get VBUS supply\n");
835 ret = regulator_set_enable(priv->vbus_supply, true);
838 "can't enable VBUS supply\n");
843 disable_controller(priv);
846 enable_controller(priv);
847 r8a66597_port_power(priv, 0, 1);
849 /* check usb device */
850 check_usb_device_connecting(priv);
857 static int r8a66597_usb_remove(struct udevice *dev)
859 struct r8a66597 *priv = dev_get_priv(dev);
862 disable_controller(priv);
864 if (CONFIG_IS_ENABLED(DM_REGULATOR)) {
865 ret = regulator_set_enable(priv->vbus_supply, false);
868 "can't disable VBUS supply\n");
876 struct dm_usb_ops r8a66597_usb_ops = {
877 .control = r8a66597_submit_control_msg,
878 .bulk = r8a66597_submit_bulk_msg,
881 static const struct udevice_id r8a66597_usb_ids[] = {
882 { .compatible = "renesas,rza1-usbhs" },
886 U_BOOT_DRIVER(usb_r8a66597) = {
887 .name = "r8a66597_usb",
889 .of_match = r8a66597_usb_ids,
890 .ofdata_to_platdata = r8a66597_usb_ofdata_to_platdata,
891 .probe = r8a66597_usb_probe,
892 .remove = r8a66597_usb_remove,
893 .ops = &r8a66597_usb_ops,
894 .priv_auto_alloc_size = sizeof(struct r8a66597),
895 .flags = DM_FLAG_ALLOC_PRIV_DMA,