xref: /openbmc/linux/drivers/net/phy/bcm7xxx.c (revision c24c57a4)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Broadcom BCM7xxx internal transceivers support.
4  *
5  * Copyright (C) 2014-2017 Broadcom
6  */
7 
8 #include <linux/module.h>
9 #include <linux/phy.h>
10 #include <linux/delay.h>
11 #include "bcm-phy-lib.h"
12 #include <linux/bitops.h>
13 #include <linux/brcmphy.h>
14 #include <linux/mdio.h>
15 
16 /* Broadcom BCM7xxx internal PHY registers */
17 
18 /* EPHY only register definitions */
19 #define MII_BCM7XXX_100TX_AUX_CTL	0x10
20 #define MII_BCM7XXX_100TX_FALSE_CAR	0x13
21 #define MII_BCM7XXX_100TX_DISC		0x14
22 #define MII_BCM7XXX_AUX_MODE		0x1d
23 #define  MII_BCM7XXX_64CLK_MDIO		BIT(12)
24 #define MII_BCM7XXX_TEST		0x1f
25 #define  MII_BCM7XXX_SHD_MODE_2		BIT(2)
26 #define MII_BCM7XXX_SHD_2_ADDR_CTRL	0xe
27 #define MII_BCM7XXX_SHD_2_CTRL_STAT	0xf
28 #define MII_BCM7XXX_SHD_2_BIAS_TRIM	0x1a
29 #define MII_BCM7XXX_SHD_3_AN_EEE_ADV	0x3
30 #define MII_BCM7XXX_SHD_3_PCS_CTRL_2	0x6
31 #define  MII_BCM7XXX_PCS_CTRL_2_DEF	0x4400
32 #define MII_BCM7XXX_SHD_3_AN_STAT	0xb
33 #define  MII_BCM7XXX_AN_NULL_MSG_EN	BIT(0)
34 #define  MII_BCM7XXX_AN_EEE_EN		BIT(1)
35 #define MII_BCM7XXX_SHD_3_EEE_THRESH	0xe
36 #define  MII_BCM7XXX_EEE_THRESH_DEF	0x50
37 #define MII_BCM7XXX_SHD_3_TL4		0x23
38 #define  MII_BCM7XXX_TL4_RST_MSK	(BIT(2) | BIT(1))
39 
40 struct bcm7xxx_phy_priv {
41 	u64	*stats;
42 };
43 
44 static int bcm7xxx_28nm_d0_afe_config_init(struct phy_device *phydev)
45 {
46 	/* AFE_RXCONFIG_0 */
47 	bcm_phy_write_misc(phydev, AFE_RXCONFIG_0, 0xeb15);
48 
49 	/* AFE_RXCONFIG_1 */
50 	bcm_phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9b2f);
51 
52 	/* AFE_RXCONFIG_2, set rCal offset for HT=0 code and LT=-2 code */
53 	bcm_phy_write_misc(phydev, AFE_RXCONFIG_2, 0x2003);
54 
55 	/* AFE_RX_LP_COUNTER, set RX bandwidth to maximum */
56 	bcm_phy_write_misc(phydev, AFE_RX_LP_COUNTER, 0x7fc0);
57 
58 	/* AFE_TX_CONFIG, set 100BT Cfeed=011 to improve rise/fall time */
59 	bcm_phy_write_misc(phydev, AFE_TX_CONFIG, 0x431);
60 
61 	/* AFE_VDCA_ICTRL_0, set Iq=1101 instead of 0111 for AB symmetry */
62 	bcm_phy_write_misc(phydev, AFE_VDCA_ICTRL_0, 0xa7da);
63 
64 	/* AFE_VDAC_OTHERS_0, set 1000BT Cidac=010 for all ports */
65 	bcm_phy_write_misc(phydev, AFE_VDAC_OTHERS_0, 0xa020);
66 
67 	/* AFE_HPF_TRIM_OTHERS, set 100Tx/10BT to -4.5% swing and set rCal
68 	 * offset for HT=0 code
69 	 */
70 	bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x00e3);
71 
72 	/* CORE_BASE1E, force trim to overwrite and set I_ext trim to 0000 */
73 	phy_write(phydev, MII_BRCM_CORE_BASE1E, 0x0010);
74 
75 	/* DSP_TAP10, adjust bias current trim (+0% swing, +0 tick) */
76 	bcm_phy_write_misc(phydev, DSP_TAP10, 0x011b);
77 
78 	/* Reset R_CAL/RC_CAL engine */
79 	bcm_phy_r_rc_cal_reset(phydev);
80 
81 	return 0;
82 }
83 
84 static int bcm7xxx_28nm_e0_plus_afe_config_init(struct phy_device *phydev)
85 {
86 	/* AFE_RXCONFIG_1, provide more margin for INL/DNL measurement */
87 	bcm_phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9b2f);
88 
89 	/* AFE_TX_CONFIG, set 100BT Cfeed=011 to improve rise/fall time */
90 	bcm_phy_write_misc(phydev, AFE_TX_CONFIG, 0x431);
91 
92 	/* AFE_VDCA_ICTRL_0, set Iq=1101 instead of 0111 for AB symmetry */
93 	bcm_phy_write_misc(phydev, AFE_VDCA_ICTRL_0, 0xa7da);
94 
95 	/* AFE_HPF_TRIM_OTHERS, set 100Tx/10BT to -4.5% swing and set rCal
96 	 * offset for HT=0 code
97 	 */
98 	bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x00e3);
99 
100 	/* CORE_BASE1E, force trim to overwrite and set I_ext trim to 0000 */
101 	phy_write(phydev, MII_BRCM_CORE_BASE1E, 0x0010);
102 
103 	/* DSP_TAP10, adjust bias current trim (+0% swing, +0 tick) */
104 	bcm_phy_write_misc(phydev, DSP_TAP10, 0x011b);
105 
106 	/* Reset R_CAL/RC_CAL engine */
107 	bcm_phy_r_rc_cal_reset(phydev);
108 
109 	return 0;
110 }
111 
112 static int bcm7xxx_28nm_a0_patch_afe_config_init(struct phy_device *phydev)
113 {
114 	/* +1 RC_CAL codes for RL centering for both LT and HT conditions */
115 	bcm_phy_write_misc(phydev, AFE_RXCONFIG_2, 0xd003);
116 
117 	/* Cut master bias current by 2% to compensate for RC_CAL offset */
118 	bcm_phy_write_misc(phydev, DSP_TAP10, 0x791b);
119 
120 	/* Improve hybrid leakage */
121 	bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x10e3);
122 
123 	/* Change rx_on_tune 8 to 0xf */
124 	bcm_phy_write_misc(phydev, 0x21, 0x2, 0x87f6);
125 
126 	/* Change 100Tx EEE bandwidth */
127 	bcm_phy_write_misc(phydev, 0x22, 0x2, 0x017d);
128 
129 	/* Enable ffe zero detection for Vitesse interoperability */
130 	bcm_phy_write_misc(phydev, 0x26, 0x2, 0x0015);
131 
132 	bcm_phy_r_rc_cal_reset(phydev);
133 
134 	return 0;
135 }
136 
137 static int bcm7xxx_28nm_config_init(struct phy_device *phydev)
138 {
139 	u8 rev = PHY_BRCM_7XXX_REV(phydev->dev_flags);
140 	u8 patch = PHY_BRCM_7XXX_PATCH(phydev->dev_flags);
141 	u8 count;
142 	int ret = 0;
143 
144 	/* Newer devices have moved the revision information back into a
145 	 * standard location in MII_PHYS_ID[23]
146 	 */
147 	if (rev == 0)
148 		rev = phydev->phy_id & ~phydev->drv->phy_id_mask;
149 
150 	pr_info_once("%s: %s PHY revision: 0x%02x, patch: %d\n",
151 		     phydev_name(phydev), phydev->drv->name, rev, patch);
152 
153 	/* Dummy read to a register to workaround an issue upon reset where the
154 	 * internal inverter may not allow the first MDIO transaction to pass
155 	 * the MDIO management controller and make us return 0xffff for such
156 	 * reads.
157 	 */
158 	phy_read(phydev, MII_BMSR);
159 
160 	switch (rev) {
161 	case 0xa0:
162 	case 0xb0:
163 		ret = bcm_phy_28nm_a0b0_afe_config_init(phydev);
164 		break;
165 	case 0xd0:
166 		ret = bcm7xxx_28nm_d0_afe_config_init(phydev);
167 		break;
168 	case 0xe0:
169 	case 0xf0:
170 	/* Rev G0 introduces a roll over */
171 	case 0x10:
172 		ret = bcm7xxx_28nm_e0_plus_afe_config_init(phydev);
173 		break;
174 	case 0x01:
175 		ret = bcm7xxx_28nm_a0_patch_afe_config_init(phydev);
176 		break;
177 	default:
178 		break;
179 	}
180 
181 	if (ret)
182 		return ret;
183 
184 	ret = bcm_phy_downshift_get(phydev, &count);
185 	if (ret)
186 		return ret;
187 
188 	/* Only enable EEE if Wirespeed/downshift is disabled */
189 	ret = bcm_phy_set_eee(phydev, count == DOWNSHIFT_DEV_DISABLE);
190 	if (ret)
191 		return ret;
192 
193 	return bcm_phy_enable_apd(phydev, true);
194 }
195 
196 static int bcm7xxx_28nm_resume(struct phy_device *phydev)
197 {
198 	int ret;
199 
200 	/* Re-apply workarounds coming out suspend/resume */
201 	ret = bcm7xxx_28nm_config_init(phydev);
202 	if (ret)
203 		return ret;
204 
205 	/* 28nm Gigabit PHYs come out of reset without any half-duplex
206 	 * or "hub" compliant advertised mode, fix that. This does not
207 	 * cause any problems with the PHY library since genphy_config_aneg()
208 	 * gracefully handles auto-negotiated and forced modes.
209 	 */
210 	return genphy_config_aneg(phydev);
211 }
212 
213 static int phy_set_clr_bits(struct phy_device *dev, int location,
214 					int set_mask, int clr_mask)
215 {
216 	int v, ret;
217 
218 	v = phy_read(dev, location);
219 	if (v < 0)
220 		return v;
221 
222 	v &= ~clr_mask;
223 	v |= set_mask;
224 
225 	ret = phy_write(dev, location, v);
226 	if (ret < 0)
227 		return ret;
228 
229 	return v;
230 }
231 
232 static int bcm7xxx_28nm_ephy_01_afe_config_init(struct phy_device *phydev)
233 {
234 	int ret;
235 
236 	/* set shadow mode 2 */
237 	ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST,
238 			       MII_BCM7XXX_SHD_MODE_2, 0);
239 	if (ret < 0)
240 		return ret;
241 
242 	/* Set current trim values INT_trim = -1, Ext_trim =0 */
243 	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_BIAS_TRIM, 0x3BE0);
244 	if (ret < 0)
245 		goto reset_shadow_mode;
246 
247 	/* Cal reset */
248 	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL,
249 			MII_BCM7XXX_SHD_3_TL4);
250 	if (ret < 0)
251 		goto reset_shadow_mode;
252 	ret = phy_set_clr_bits(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT,
253 			       MII_BCM7XXX_TL4_RST_MSK, 0);
254 	if (ret < 0)
255 		goto reset_shadow_mode;
256 
257 	/* Cal reset disable */
258 	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL,
259 			MII_BCM7XXX_SHD_3_TL4);
260 	if (ret < 0)
261 		goto reset_shadow_mode;
262 	ret = phy_set_clr_bits(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT,
263 			       0, MII_BCM7XXX_TL4_RST_MSK);
264 	if (ret < 0)
265 		goto reset_shadow_mode;
266 
267 reset_shadow_mode:
268 	/* reset shadow mode 2 */
269 	ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, 0,
270 			       MII_BCM7XXX_SHD_MODE_2);
271 	if (ret < 0)
272 		return ret;
273 
274 	return 0;
275 }
276 
277 /* The 28nm EPHY does not support Clause 45 (MMD) used by bcm-phy-lib */
278 static int bcm7xxx_28nm_ephy_apd_enable(struct phy_device *phydev)
279 {
280 	int ret;
281 
282 	/* set shadow mode 1 */
283 	ret = phy_set_clr_bits(phydev, MII_BRCM_FET_BRCMTEST,
284 			       MII_BRCM_FET_BT_SRE, 0);
285 	if (ret < 0)
286 		return ret;
287 
288 	/* Enable auto-power down */
289 	ret = phy_set_clr_bits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2,
290 			       MII_BRCM_FET_SHDW_AS2_APDE, 0);
291 	if (ret < 0)
292 		return ret;
293 
294 	/* reset shadow mode 1 */
295 	ret = phy_set_clr_bits(phydev, MII_BRCM_FET_BRCMTEST, 0,
296 			       MII_BRCM_FET_BT_SRE);
297 	if (ret < 0)
298 		return ret;
299 
300 	return 0;
301 }
302 
303 static int bcm7xxx_28nm_ephy_eee_enable(struct phy_device *phydev)
304 {
305 	int ret;
306 
307 	/* set shadow mode 2 */
308 	ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST,
309 			       MII_BCM7XXX_SHD_MODE_2, 0);
310 	if (ret < 0)
311 		return ret;
312 
313 	/* Advertise supported modes */
314 	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL,
315 			MII_BCM7XXX_SHD_3_AN_EEE_ADV);
316 	if (ret < 0)
317 		goto reset_shadow_mode;
318 	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT,
319 			MDIO_EEE_100TX);
320 	if (ret < 0)
321 		goto reset_shadow_mode;
322 
323 	/* Restore Defaults */
324 	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL,
325 			MII_BCM7XXX_SHD_3_PCS_CTRL_2);
326 	if (ret < 0)
327 		goto reset_shadow_mode;
328 	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT,
329 			MII_BCM7XXX_PCS_CTRL_2_DEF);
330 	if (ret < 0)
331 		goto reset_shadow_mode;
332 
333 	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL,
334 			MII_BCM7XXX_SHD_3_EEE_THRESH);
335 	if (ret < 0)
336 		goto reset_shadow_mode;
337 	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT,
338 			MII_BCM7XXX_EEE_THRESH_DEF);
339 	if (ret < 0)
340 		goto reset_shadow_mode;
341 
342 	/* Enable EEE autonegotiation */
343 	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL,
344 			MII_BCM7XXX_SHD_3_AN_STAT);
345 	if (ret < 0)
346 		goto reset_shadow_mode;
347 	ret = phy_write(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT,
348 			(MII_BCM7XXX_AN_NULL_MSG_EN | MII_BCM7XXX_AN_EEE_EN));
349 	if (ret < 0)
350 		goto reset_shadow_mode;
351 
352 reset_shadow_mode:
353 	/* reset shadow mode 2 */
354 	ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, 0,
355 			       MII_BCM7XXX_SHD_MODE_2);
356 	if (ret < 0)
357 		return ret;
358 
359 	/* Restart autoneg */
360 	phy_write(phydev, MII_BMCR,
361 		  (BMCR_SPEED100 | BMCR_ANENABLE | BMCR_ANRESTART));
362 
363 	return 0;
364 }
365 
366 static int bcm7xxx_28nm_ephy_config_init(struct phy_device *phydev)
367 {
368 	u8 rev = phydev->phy_id & ~phydev->drv->phy_id_mask;
369 	int ret = 0;
370 
371 	pr_info_once("%s: %s PHY revision: 0x%02x\n",
372 		     phydev_name(phydev), phydev->drv->name, rev);
373 
374 	/* Dummy read to a register to workaround a possible issue upon reset
375 	 * where the internal inverter may not allow the first MDIO transaction
376 	 * to pass the MDIO management controller and make us return 0xffff for
377 	 * such reads.
378 	 */
379 	phy_read(phydev, MII_BMSR);
380 
381 	/* Apply AFE software work-around if necessary */
382 	if (rev == 0x01) {
383 		ret = bcm7xxx_28nm_ephy_01_afe_config_init(phydev);
384 		if (ret)
385 			return ret;
386 	}
387 
388 	ret = bcm7xxx_28nm_ephy_eee_enable(phydev);
389 	if (ret)
390 		return ret;
391 
392 	return bcm7xxx_28nm_ephy_apd_enable(phydev);
393 }
394 
395 static int bcm7xxx_28nm_ephy_resume(struct phy_device *phydev)
396 {
397 	int ret;
398 
399 	/* Re-apply workarounds coming out suspend/resume */
400 	ret = bcm7xxx_28nm_ephy_config_init(phydev);
401 	if (ret)
402 		return ret;
403 
404 	return genphy_config_aneg(phydev);
405 }
406 
407 static int bcm7xxx_config_init(struct phy_device *phydev)
408 {
409 	int ret;
410 
411 	/* Enable 64 clock MDIO */
412 	phy_write(phydev, MII_BCM7XXX_AUX_MODE, MII_BCM7XXX_64CLK_MDIO);
413 	phy_read(phydev, MII_BCM7XXX_AUX_MODE);
414 
415 	/* set shadow mode 2 */
416 	ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST,
417 			MII_BCM7XXX_SHD_MODE_2, MII_BCM7XXX_SHD_MODE_2);
418 	if (ret < 0)
419 		return ret;
420 
421 	/* set iddq_clkbias */
422 	phy_write(phydev, MII_BCM7XXX_100TX_DISC, 0x0F00);
423 	udelay(10);
424 
425 	/* reset iddq_clkbias */
426 	phy_write(phydev, MII_BCM7XXX_100TX_DISC, 0x0C00);
427 
428 	phy_write(phydev, MII_BCM7XXX_100TX_FALSE_CAR, 0x7555);
429 
430 	/* reset shadow mode 2 */
431 	ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, 0, MII_BCM7XXX_SHD_MODE_2);
432 	if (ret < 0)
433 		return ret;
434 
435 	return 0;
436 }
437 
438 /* Workaround for putting the PHY in IDDQ mode, required
439  * for all BCM7XXX 40nm and 65nm PHYs
440  */
441 static int bcm7xxx_suspend(struct phy_device *phydev)
442 {
443 	int ret;
444 	static const struct bcm7xxx_regs {
445 		int reg;
446 		u16 value;
447 	} bcm7xxx_suspend_cfg[] = {
448 		{ MII_BCM7XXX_TEST, 0x008b },
449 		{ MII_BCM7XXX_100TX_AUX_CTL, 0x01c0 },
450 		{ MII_BCM7XXX_100TX_DISC, 0x7000 },
451 		{ MII_BCM7XXX_TEST, 0x000f },
452 		{ MII_BCM7XXX_100TX_AUX_CTL, 0x20d0 },
453 		{ MII_BCM7XXX_TEST, 0x000b },
454 	};
455 	unsigned int i;
456 
457 	for (i = 0; i < ARRAY_SIZE(bcm7xxx_suspend_cfg); i++) {
458 		ret = phy_write(phydev,
459 				bcm7xxx_suspend_cfg[i].reg,
460 				bcm7xxx_suspend_cfg[i].value);
461 		if (ret)
462 			return ret;
463 	}
464 
465 	return 0;
466 }
467 
468 static int bcm7xxx_28nm_get_tunable(struct phy_device *phydev,
469 				    struct ethtool_tunable *tuna,
470 				    void *data)
471 {
472 	switch (tuna->id) {
473 	case ETHTOOL_PHY_DOWNSHIFT:
474 		return bcm_phy_downshift_get(phydev, (u8 *)data);
475 	default:
476 		return -EOPNOTSUPP;
477 	}
478 }
479 
480 static int bcm7xxx_28nm_set_tunable(struct phy_device *phydev,
481 				    struct ethtool_tunable *tuna,
482 				    const void *data)
483 {
484 	u8 count = *(u8 *)data;
485 	int ret;
486 
487 	switch (tuna->id) {
488 	case ETHTOOL_PHY_DOWNSHIFT:
489 		ret = bcm_phy_downshift_set(phydev, count);
490 		break;
491 	default:
492 		return -EOPNOTSUPP;
493 	}
494 
495 	if (ret)
496 		return ret;
497 
498 	/* Disable EEE advertisement since this prevents the PHY
499 	 * from successfully linking up, trigger auto-negotiation restart
500 	 * to let the MAC decide what to do.
501 	 */
502 	ret = bcm_phy_set_eee(phydev, count == DOWNSHIFT_DEV_DISABLE);
503 	if (ret)
504 		return ret;
505 
506 	return genphy_restart_aneg(phydev);
507 }
508 
509 static void bcm7xxx_28nm_get_phy_stats(struct phy_device *phydev,
510 				       struct ethtool_stats *stats, u64 *data)
511 {
512 	struct bcm7xxx_phy_priv *priv = phydev->priv;
513 
514 	bcm_phy_get_stats(phydev, priv->stats, stats, data);
515 }
516 
517 static int bcm7xxx_28nm_probe(struct phy_device *phydev)
518 {
519 	struct bcm7xxx_phy_priv *priv;
520 
521 	priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
522 	if (!priv)
523 		return -ENOMEM;
524 
525 	phydev->priv = priv;
526 
527 	priv->stats = devm_kcalloc(&phydev->mdio.dev,
528 				   bcm_phy_get_sset_count(phydev), sizeof(u64),
529 				   GFP_KERNEL);
530 	if (!priv->stats)
531 		return -ENOMEM;
532 
533 	return 0;
534 }
535 
536 #define BCM7XXX_28NM_GPHY(_oui, _name)					\
537 {									\
538 	.phy_id		= (_oui),					\
539 	.phy_id_mask	= 0xfffffff0,					\
540 	.name		= _name,					\
541 	/* PHY_GBIT_FEATURES */						\
542 	.flags		= PHY_IS_INTERNAL,				\
543 	.config_init	= bcm7xxx_28nm_config_init,			\
544 	.resume		= bcm7xxx_28nm_resume,				\
545 	.get_tunable	= bcm7xxx_28nm_get_tunable,			\
546 	.set_tunable	= bcm7xxx_28nm_set_tunable,			\
547 	.get_sset_count	= bcm_phy_get_sset_count,			\
548 	.get_strings	= bcm_phy_get_strings,				\
549 	.get_stats	= bcm7xxx_28nm_get_phy_stats,			\
550 	.probe		= bcm7xxx_28nm_probe,				\
551 }
552 
553 #define BCM7XXX_28NM_EPHY(_oui, _name)					\
554 {									\
555 	.phy_id		= (_oui),					\
556 	.phy_id_mask	= 0xfffffff0,					\
557 	.name		= _name,					\
558 	/* PHY_BASIC_FEATURES */					\
559 	.flags		= PHY_IS_INTERNAL,				\
560 	.config_init	= bcm7xxx_28nm_ephy_config_init,		\
561 	.resume		= bcm7xxx_28nm_ephy_resume,			\
562 	.get_sset_count	= bcm_phy_get_sset_count,			\
563 	.get_strings	= bcm_phy_get_strings,				\
564 	.get_stats	= bcm7xxx_28nm_get_phy_stats,			\
565 	.probe		= bcm7xxx_28nm_probe,				\
566 }
567 
568 #define BCM7XXX_40NM_EPHY(_oui, _name)					\
569 {									\
570 	.phy_id         = (_oui),					\
571 	.phy_id_mask    = 0xfffffff0,					\
572 	.name           = _name,					\
573 	/* PHY_BASIC_FEATURES */					\
574 	.flags          = PHY_IS_INTERNAL,				\
575 	.soft_reset	= genphy_soft_reset,				\
576 	.config_init    = bcm7xxx_config_init,				\
577 	.suspend        = bcm7xxx_suspend,				\
578 	.resume         = bcm7xxx_config_init,				\
579 }
580 
581 static struct phy_driver bcm7xxx_driver[] = {
582 	BCM7XXX_28NM_GPHY(PHY_ID_BCM7250, "Broadcom BCM7250"),
583 	BCM7XXX_28NM_EPHY(PHY_ID_BCM7255, "Broadcom BCM7255"),
584 	BCM7XXX_28NM_EPHY(PHY_ID_BCM7260, "Broadcom BCM7260"),
585 	BCM7XXX_28NM_EPHY(PHY_ID_BCM7268, "Broadcom BCM7268"),
586 	BCM7XXX_28NM_EPHY(PHY_ID_BCM7271, "Broadcom BCM7271"),
587 	BCM7XXX_28NM_GPHY(PHY_ID_BCM7278, "Broadcom BCM7278"),
588 	BCM7XXX_28NM_GPHY(PHY_ID_BCM7364, "Broadcom BCM7364"),
589 	BCM7XXX_28NM_GPHY(PHY_ID_BCM7366, "Broadcom BCM7366"),
590 	BCM7XXX_28NM_GPHY(PHY_ID_BCM74371, "Broadcom BCM74371"),
591 	BCM7XXX_28NM_GPHY(PHY_ID_BCM7439, "Broadcom BCM7439"),
592 	BCM7XXX_28NM_GPHY(PHY_ID_BCM7439_2, "Broadcom BCM7439 (2)"),
593 	BCM7XXX_28NM_GPHY(PHY_ID_BCM7445, "Broadcom BCM7445"),
594 	BCM7XXX_40NM_EPHY(PHY_ID_BCM7346, "Broadcom BCM7346"),
595 	BCM7XXX_40NM_EPHY(PHY_ID_BCM7362, "Broadcom BCM7362"),
596 	BCM7XXX_40NM_EPHY(PHY_ID_BCM7425, "Broadcom BCM7425"),
597 	BCM7XXX_40NM_EPHY(PHY_ID_BCM7429, "Broadcom BCM7429"),
598 	BCM7XXX_40NM_EPHY(PHY_ID_BCM7435, "Broadcom BCM7435"),
599 };
600 
601 static struct mdio_device_id __maybe_unused bcm7xxx_tbl[] = {
602 	{ PHY_ID_BCM7250, 0xfffffff0, },
603 	{ PHY_ID_BCM7255, 0xfffffff0, },
604 	{ PHY_ID_BCM7260, 0xfffffff0, },
605 	{ PHY_ID_BCM7268, 0xfffffff0, },
606 	{ PHY_ID_BCM7271, 0xfffffff0, },
607 	{ PHY_ID_BCM7278, 0xfffffff0, },
608 	{ PHY_ID_BCM7364, 0xfffffff0, },
609 	{ PHY_ID_BCM7366, 0xfffffff0, },
610 	{ PHY_ID_BCM7346, 0xfffffff0, },
611 	{ PHY_ID_BCM7362, 0xfffffff0, },
612 	{ PHY_ID_BCM7425, 0xfffffff0, },
613 	{ PHY_ID_BCM7429, 0xfffffff0, },
614 	{ PHY_ID_BCM74371, 0xfffffff0, },
615 	{ PHY_ID_BCM7439, 0xfffffff0, },
616 	{ PHY_ID_BCM7435, 0xfffffff0, },
617 	{ PHY_ID_BCM7445, 0xfffffff0, },
618 	{ }
619 };
620 
621 module_phy_driver(bcm7xxx_driver);
622 
623 MODULE_DEVICE_TABLE(mdio, bcm7xxx_tbl);
624 
625 MODULE_DESCRIPTION("Broadcom BCM7xxx internal PHY driver");
626 MODULE_LICENSE("GPL");
627 MODULE_AUTHOR("Broadcom Corporation");
628