xref: /openbmc/linux/drivers/net/phy/micrel.c (revision b96fc2f3)
1 /*
2  * drivers/net/phy/micrel.c
3  *
4  * Driver for Micrel PHYs
5  *
6  * Author: David J. Choi
7  *
8  * Copyright (c) 2010-2013 Micrel, Inc.
9  * Copyright (c) 2014 Johan Hovold <johan@kernel.org>
10  *
11  * This program is free software; you can redistribute  it and/or modify it
12  * under  the terms of  the GNU General  Public License as published by the
13  * Free Software Foundation;  either version 2 of the  License, or (at your
14  * option) any later version.
15  *
16  * Support : Micrel Phys:
17  *		Giga phys: ksz9021, ksz9031
18  *		100/10 Phys : ksz8001, ksz8721, ksz8737, ksz8041
19  *			   ksz8021, ksz8031, ksz8051,
20  *			   ksz8081, ksz8091,
21  *			   ksz8061,
22  *		Switch : ksz8873, ksz886x
23  */
24 
25 #include <linux/kernel.h>
26 #include <linux/module.h>
27 #include <linux/phy.h>
28 #include <linux/micrel_phy.h>
29 #include <linux/of.h>
30 #include <linux/clk.h>
31 
32 /* Operation Mode Strap Override */
33 #define MII_KSZPHY_OMSO				0x16
34 #define KSZPHY_OMSO_B_CAST_OFF			BIT(9)
35 #define KSZPHY_OMSO_NAND_TREE_ON		BIT(5)
36 #define KSZPHY_OMSO_RMII_OVERRIDE		BIT(1)
37 #define KSZPHY_OMSO_MII_OVERRIDE		BIT(0)
38 
39 /* general Interrupt control/status reg in vendor specific block. */
40 #define MII_KSZPHY_INTCS			0x1B
41 #define	KSZPHY_INTCS_JABBER			BIT(15)
42 #define	KSZPHY_INTCS_RECEIVE_ERR		BIT(14)
43 #define	KSZPHY_INTCS_PAGE_RECEIVE		BIT(13)
44 #define	KSZPHY_INTCS_PARELLEL			BIT(12)
45 #define	KSZPHY_INTCS_LINK_PARTNER_ACK		BIT(11)
46 #define	KSZPHY_INTCS_LINK_DOWN			BIT(10)
47 #define	KSZPHY_INTCS_REMOTE_FAULT		BIT(9)
48 #define	KSZPHY_INTCS_LINK_UP			BIT(8)
49 #define	KSZPHY_INTCS_ALL			(KSZPHY_INTCS_LINK_UP |\
50 						KSZPHY_INTCS_LINK_DOWN)
51 
52 /* PHY Control 1 */
53 #define	MII_KSZPHY_CTRL_1			0x1e
54 
55 /* PHY Control 2 / PHY Control (if no PHY Control 1) */
56 #define	MII_KSZPHY_CTRL_2			0x1f
57 #define	MII_KSZPHY_CTRL				MII_KSZPHY_CTRL_2
58 /* bitmap of PHY register to set interrupt mode */
59 #define KSZPHY_CTRL_INT_ACTIVE_HIGH		BIT(9)
60 #define KSZPHY_RMII_REF_CLK_SEL			BIT(7)
61 
62 /* Write/read to/from extended registers */
63 #define MII_KSZPHY_EXTREG                       0x0b
64 #define KSZPHY_EXTREG_WRITE                     0x8000
65 
66 #define MII_KSZPHY_EXTREG_WRITE                 0x0c
67 #define MII_KSZPHY_EXTREG_READ                  0x0d
68 
69 /* Extended registers */
70 #define MII_KSZPHY_CLK_CONTROL_PAD_SKEW         0x104
71 #define MII_KSZPHY_RX_DATA_PAD_SKEW             0x105
72 #define MII_KSZPHY_TX_DATA_PAD_SKEW             0x106
73 
74 #define PS_TO_REG				200
75 
76 struct kszphy_type {
77 	u32 led_mode_reg;
78 	u16 interrupt_level_mask;
79 	bool has_broadcast_disable;
80 	bool has_nand_tree_disable;
81 	bool has_rmii_ref_clk_sel;
82 };
83 
84 struct kszphy_priv {
85 	const struct kszphy_type *type;
86 	int led_mode;
87 	bool rmii_ref_clk_sel;
88 	bool rmii_ref_clk_sel_val;
89 };
90 
91 static const struct kszphy_type ksz8021_type = {
92 	.led_mode_reg		= MII_KSZPHY_CTRL_2,
93 	.has_broadcast_disable	= true,
94 	.has_nand_tree_disable	= true,
95 	.has_rmii_ref_clk_sel	= true,
96 };
97 
98 static const struct kszphy_type ksz8041_type = {
99 	.led_mode_reg		= MII_KSZPHY_CTRL_1,
100 };
101 
102 static const struct kszphy_type ksz8051_type = {
103 	.led_mode_reg		= MII_KSZPHY_CTRL_2,
104 	.has_nand_tree_disable	= true,
105 };
106 
107 static const struct kszphy_type ksz8081_type = {
108 	.led_mode_reg		= MII_KSZPHY_CTRL_2,
109 	.has_broadcast_disable	= true,
110 	.has_nand_tree_disable	= true,
111 	.has_rmii_ref_clk_sel	= true,
112 };
113 
114 static const struct kszphy_type ks8737_type = {
115 	.interrupt_level_mask	= BIT(14),
116 };
117 
118 static const struct kszphy_type ksz9021_type = {
119 	.interrupt_level_mask	= BIT(14),
120 };
121 
122 static int kszphy_extended_write(struct phy_device *phydev,
123 				u32 regnum, u16 val)
124 {
125 	phy_write(phydev, MII_KSZPHY_EXTREG, KSZPHY_EXTREG_WRITE | regnum);
126 	return phy_write(phydev, MII_KSZPHY_EXTREG_WRITE, val);
127 }
128 
129 static int kszphy_extended_read(struct phy_device *phydev,
130 				u32 regnum)
131 {
132 	phy_write(phydev, MII_KSZPHY_EXTREG, regnum);
133 	return phy_read(phydev, MII_KSZPHY_EXTREG_READ);
134 }
135 
136 static int kszphy_ack_interrupt(struct phy_device *phydev)
137 {
138 	/* bit[7..0] int status, which is a read and clear register. */
139 	int rc;
140 
141 	rc = phy_read(phydev, MII_KSZPHY_INTCS);
142 
143 	return (rc < 0) ? rc : 0;
144 }
145 
146 static int kszphy_config_intr(struct phy_device *phydev)
147 {
148 	const struct kszphy_type *type = phydev->drv->driver_data;
149 	int temp;
150 	u16 mask;
151 
152 	if (type && type->interrupt_level_mask)
153 		mask = type->interrupt_level_mask;
154 	else
155 		mask = KSZPHY_CTRL_INT_ACTIVE_HIGH;
156 
157 	/* set the interrupt pin active low */
158 	temp = phy_read(phydev, MII_KSZPHY_CTRL);
159 	if (temp < 0)
160 		return temp;
161 	temp &= ~mask;
162 	phy_write(phydev, MII_KSZPHY_CTRL, temp);
163 
164 	/* enable / disable interrupts */
165 	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
166 		temp = KSZPHY_INTCS_ALL;
167 	else
168 		temp = 0;
169 
170 	return phy_write(phydev, MII_KSZPHY_INTCS, temp);
171 }
172 
173 static int kszphy_rmii_clk_sel(struct phy_device *phydev, bool val)
174 {
175 	int ctrl;
176 
177 	ctrl = phy_read(phydev, MII_KSZPHY_CTRL);
178 	if (ctrl < 0)
179 		return ctrl;
180 
181 	if (val)
182 		ctrl |= KSZPHY_RMII_REF_CLK_SEL;
183 	else
184 		ctrl &= ~KSZPHY_RMII_REF_CLK_SEL;
185 
186 	return phy_write(phydev, MII_KSZPHY_CTRL, ctrl);
187 }
188 
189 static int kszphy_setup_led(struct phy_device *phydev, u32 reg, int val)
190 {
191 	int rc, temp, shift;
192 
193 	switch (reg) {
194 	case MII_KSZPHY_CTRL_1:
195 		shift = 14;
196 		break;
197 	case MII_KSZPHY_CTRL_2:
198 		shift = 4;
199 		break;
200 	default:
201 		return -EINVAL;
202 	}
203 
204 	temp = phy_read(phydev, reg);
205 	if (temp < 0) {
206 		rc = temp;
207 		goto out;
208 	}
209 
210 	temp &= ~(3 << shift);
211 	temp |= val << shift;
212 	rc = phy_write(phydev, reg, temp);
213 out:
214 	if (rc < 0)
215 		dev_err(&phydev->dev, "failed to set led mode\n");
216 
217 	return rc;
218 }
219 
220 /* Disable PHY address 0 as the broadcast address, so that it can be used as a
221  * unique (non-broadcast) address on a shared bus.
222  */
223 static int kszphy_broadcast_disable(struct phy_device *phydev)
224 {
225 	int ret;
226 
227 	ret = phy_read(phydev, MII_KSZPHY_OMSO);
228 	if (ret < 0)
229 		goto out;
230 
231 	ret = phy_write(phydev, MII_KSZPHY_OMSO, ret | KSZPHY_OMSO_B_CAST_OFF);
232 out:
233 	if (ret)
234 		dev_err(&phydev->dev, "failed to disable broadcast address\n");
235 
236 	return ret;
237 }
238 
239 static int kszphy_nand_tree_disable(struct phy_device *phydev)
240 {
241 	int ret;
242 
243 	ret = phy_read(phydev, MII_KSZPHY_OMSO);
244 	if (ret < 0)
245 		goto out;
246 
247 	if (!(ret & KSZPHY_OMSO_NAND_TREE_ON))
248 		return 0;
249 
250 	ret = phy_write(phydev, MII_KSZPHY_OMSO,
251 			ret & ~KSZPHY_OMSO_NAND_TREE_ON);
252 out:
253 	if (ret)
254 		dev_err(&phydev->dev, "failed to disable NAND tree mode\n");
255 
256 	return ret;
257 }
258 
259 static int kszphy_config_init(struct phy_device *phydev)
260 {
261 	struct kszphy_priv *priv = phydev->priv;
262 	const struct kszphy_type *type;
263 	int ret;
264 
265 	if (!priv)
266 		return 0;
267 
268 	type = priv->type;
269 
270 	if (type->has_broadcast_disable)
271 		kszphy_broadcast_disable(phydev);
272 
273 	if (type->has_nand_tree_disable)
274 		kszphy_nand_tree_disable(phydev);
275 
276 	if (priv->rmii_ref_clk_sel) {
277 		ret = kszphy_rmii_clk_sel(phydev, priv->rmii_ref_clk_sel_val);
278 		if (ret) {
279 			dev_err(&phydev->dev, "failed to set rmii reference clock\n");
280 			return ret;
281 		}
282 	}
283 
284 	if (priv->led_mode >= 0)
285 		kszphy_setup_led(phydev, type->led_mode_reg, priv->led_mode);
286 
287 	return 0;
288 }
289 
290 static int ksz9021_load_values_from_of(struct phy_device *phydev,
291 				       const struct device_node *of_node,
292 				       u16 reg,
293 				       const char *field1, const char *field2,
294 				       const char *field3, const char *field4)
295 {
296 	int val1 = -1;
297 	int val2 = -2;
298 	int val3 = -3;
299 	int val4 = -4;
300 	int newval;
301 	int matches = 0;
302 
303 	if (!of_property_read_u32(of_node, field1, &val1))
304 		matches++;
305 
306 	if (!of_property_read_u32(of_node, field2, &val2))
307 		matches++;
308 
309 	if (!of_property_read_u32(of_node, field3, &val3))
310 		matches++;
311 
312 	if (!of_property_read_u32(of_node, field4, &val4))
313 		matches++;
314 
315 	if (!matches)
316 		return 0;
317 
318 	if (matches < 4)
319 		newval = kszphy_extended_read(phydev, reg);
320 	else
321 		newval = 0;
322 
323 	if (val1 != -1)
324 		newval = ((newval & 0xfff0) | ((val1 / PS_TO_REG) & 0xf) << 0);
325 
326 	if (val2 != -2)
327 		newval = ((newval & 0xff0f) | ((val2 / PS_TO_REG) & 0xf) << 4);
328 
329 	if (val3 != -3)
330 		newval = ((newval & 0xf0ff) | ((val3 / PS_TO_REG) & 0xf) << 8);
331 
332 	if (val4 != -4)
333 		newval = ((newval & 0x0fff) | ((val4 / PS_TO_REG) & 0xf) << 12);
334 
335 	return kszphy_extended_write(phydev, reg, newval);
336 }
337 
338 static int ksz9021_config_init(struct phy_device *phydev)
339 {
340 	const struct device *dev = &phydev->dev;
341 	const struct device_node *of_node = dev->of_node;
342 
343 	if (!of_node && dev->parent->of_node)
344 		of_node = dev->parent->of_node;
345 
346 	if (of_node) {
347 		ksz9021_load_values_from_of(phydev, of_node,
348 				    MII_KSZPHY_CLK_CONTROL_PAD_SKEW,
349 				    "txen-skew-ps", "txc-skew-ps",
350 				    "rxdv-skew-ps", "rxc-skew-ps");
351 		ksz9021_load_values_from_of(phydev, of_node,
352 				    MII_KSZPHY_RX_DATA_PAD_SKEW,
353 				    "rxd0-skew-ps", "rxd1-skew-ps",
354 				    "rxd2-skew-ps", "rxd3-skew-ps");
355 		ksz9021_load_values_from_of(phydev, of_node,
356 				    MII_KSZPHY_TX_DATA_PAD_SKEW,
357 				    "txd0-skew-ps", "txd1-skew-ps",
358 				    "txd2-skew-ps", "txd3-skew-ps");
359 	}
360 	return 0;
361 }
362 
363 #define MII_KSZ9031RN_MMD_CTRL_REG	0x0d
364 #define MII_KSZ9031RN_MMD_REGDATA_REG	0x0e
365 #define OP_DATA				1
366 #define KSZ9031_PS_TO_REG		60
367 
368 /* Extended registers */
369 /* MMD Address 0x0 */
370 #define MII_KSZ9031RN_FLP_BURST_TX_LO	3
371 #define MII_KSZ9031RN_FLP_BURST_TX_HI	4
372 
373 /* MMD Address 0x2 */
374 #define MII_KSZ9031RN_CONTROL_PAD_SKEW	4
375 #define MII_KSZ9031RN_RX_DATA_PAD_SKEW	5
376 #define MII_KSZ9031RN_TX_DATA_PAD_SKEW	6
377 #define MII_KSZ9031RN_CLK_PAD_SKEW	8
378 
379 static int ksz9031_extended_write(struct phy_device *phydev,
380 				  u8 mode, u32 dev_addr, u32 regnum, u16 val)
381 {
382 	phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, dev_addr);
383 	phy_write(phydev, MII_KSZ9031RN_MMD_REGDATA_REG, regnum);
384 	phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, (mode << 14) | dev_addr);
385 	return phy_write(phydev, MII_KSZ9031RN_MMD_REGDATA_REG, val);
386 }
387 
388 static int ksz9031_extended_read(struct phy_device *phydev,
389 				 u8 mode, u32 dev_addr, u32 regnum)
390 {
391 	phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, dev_addr);
392 	phy_write(phydev, MII_KSZ9031RN_MMD_REGDATA_REG, regnum);
393 	phy_write(phydev, MII_KSZ9031RN_MMD_CTRL_REG, (mode << 14) | dev_addr);
394 	return phy_read(phydev, MII_KSZ9031RN_MMD_REGDATA_REG);
395 }
396 
397 static int ksz9031_of_load_skew_values(struct phy_device *phydev,
398 				       const struct device_node *of_node,
399 				       u16 reg, size_t field_sz,
400 				       const char *field[], u8 numfields)
401 {
402 	int val[4] = {-1, -2, -3, -4};
403 	int matches = 0;
404 	u16 mask;
405 	u16 maxval;
406 	u16 newval;
407 	int i;
408 
409 	for (i = 0; i < numfields; i++)
410 		if (!of_property_read_u32(of_node, field[i], val + i))
411 			matches++;
412 
413 	if (!matches)
414 		return 0;
415 
416 	if (matches < numfields)
417 		newval = ksz9031_extended_read(phydev, OP_DATA, 2, reg);
418 	else
419 		newval = 0;
420 
421 	maxval = (field_sz == 4) ? 0xf : 0x1f;
422 	for (i = 0; i < numfields; i++)
423 		if (val[i] != -(i + 1)) {
424 			mask = 0xffff;
425 			mask ^= maxval << (field_sz * i);
426 			newval = (newval & mask) |
427 				(((val[i] / KSZ9031_PS_TO_REG) & maxval)
428 					<< (field_sz * i));
429 		}
430 
431 	return ksz9031_extended_write(phydev, OP_DATA, 2, reg, newval);
432 }
433 
434 static int ksz9031_center_flp_timing(struct phy_device *phydev)
435 {
436 	int result;
437 
438 	/* Center KSZ9031RNX FLP timing at 16ms. */
439 	result = ksz9031_extended_write(phydev, OP_DATA, 0,
440 					MII_KSZ9031RN_FLP_BURST_TX_HI, 0x0006);
441 	result = ksz9031_extended_write(phydev, OP_DATA, 0,
442 					MII_KSZ9031RN_FLP_BURST_TX_LO, 0x1A80);
443 
444 	if (result)
445 		return result;
446 
447 	return genphy_restart_aneg(phydev);
448 }
449 
450 static int ksz9031_config_init(struct phy_device *phydev)
451 {
452 	const struct device *dev = &phydev->dev;
453 	const struct device_node *of_node = dev->of_node;
454 	static const char *clk_skews[2] = {"rxc-skew-ps", "txc-skew-ps"};
455 	static const char *rx_data_skews[4] = {
456 		"rxd0-skew-ps", "rxd1-skew-ps",
457 		"rxd2-skew-ps", "rxd3-skew-ps"
458 	};
459 	static const char *tx_data_skews[4] = {
460 		"txd0-skew-ps", "txd1-skew-ps",
461 		"txd2-skew-ps", "txd3-skew-ps"
462 	};
463 	static const char *control_skews[2] = {"txen-skew-ps", "rxdv-skew-ps"};
464 
465 	if (!of_node && dev->parent->of_node)
466 		of_node = dev->parent->of_node;
467 
468 	if (of_node) {
469 		ksz9031_of_load_skew_values(phydev, of_node,
470 				MII_KSZ9031RN_CLK_PAD_SKEW, 5,
471 				clk_skews, 2);
472 
473 		ksz9031_of_load_skew_values(phydev, of_node,
474 				MII_KSZ9031RN_CONTROL_PAD_SKEW, 4,
475 				control_skews, 2);
476 
477 		ksz9031_of_load_skew_values(phydev, of_node,
478 				MII_KSZ9031RN_RX_DATA_PAD_SKEW, 4,
479 				rx_data_skews, 4);
480 
481 		ksz9031_of_load_skew_values(phydev, of_node,
482 				MII_KSZ9031RN_TX_DATA_PAD_SKEW, 4,
483 				tx_data_skews, 4);
484 	}
485 
486 	return ksz9031_center_flp_timing(phydev);
487 }
488 
489 #define KSZ8873MLL_GLOBAL_CONTROL_4	0x06
490 #define KSZ8873MLL_GLOBAL_CONTROL_4_DUPLEX	BIT(6)
491 #define KSZ8873MLL_GLOBAL_CONTROL_4_SPEED	BIT(4)
492 static int ksz8873mll_read_status(struct phy_device *phydev)
493 {
494 	int regval;
495 
496 	/* dummy read */
497 	regval = phy_read(phydev, KSZ8873MLL_GLOBAL_CONTROL_4);
498 
499 	regval = phy_read(phydev, KSZ8873MLL_GLOBAL_CONTROL_4);
500 
501 	if (regval & KSZ8873MLL_GLOBAL_CONTROL_4_DUPLEX)
502 		phydev->duplex = DUPLEX_HALF;
503 	else
504 		phydev->duplex = DUPLEX_FULL;
505 
506 	if (regval & KSZ8873MLL_GLOBAL_CONTROL_4_SPEED)
507 		phydev->speed = SPEED_10;
508 	else
509 		phydev->speed = SPEED_100;
510 
511 	phydev->link = 1;
512 	phydev->pause = phydev->asym_pause = 0;
513 
514 	return 0;
515 }
516 
517 static int ksz8873mll_config_aneg(struct phy_device *phydev)
518 {
519 	return 0;
520 }
521 
522 /* This routine returns -1 as an indication to the caller that the
523  * Micrel ksz9021 10/100/1000 PHY does not support standard IEEE
524  * MMD extended PHY registers.
525  */
526 static int
527 ksz9021_rd_mmd_phyreg(struct phy_device *phydev, int ptrad, int devnum,
528 		      int regnum)
529 {
530 	return -1;
531 }
532 
533 /* This routine does nothing since the Micrel ksz9021 does not support
534  * standard IEEE MMD extended PHY registers.
535  */
536 static void
537 ksz9021_wr_mmd_phyreg(struct phy_device *phydev, int ptrad, int devnum,
538 		      int regnum, u32 val)
539 {
540 }
541 
542 static int kszphy_probe(struct phy_device *phydev)
543 {
544 	const struct kszphy_type *type = phydev->drv->driver_data;
545 	const struct device_node *np = phydev->dev.of_node;
546 	struct kszphy_priv *priv;
547 	struct clk *clk;
548 	int ret;
549 
550 	priv = devm_kzalloc(&phydev->dev, sizeof(*priv), GFP_KERNEL);
551 	if (!priv)
552 		return -ENOMEM;
553 
554 	phydev->priv = priv;
555 
556 	priv->type = type;
557 
558 	if (type->led_mode_reg) {
559 		ret = of_property_read_u32(np, "micrel,led-mode",
560 				&priv->led_mode);
561 		if (ret)
562 			priv->led_mode = -1;
563 
564 		if (priv->led_mode > 3) {
565 			dev_err(&phydev->dev, "invalid led mode: 0x%02x\n",
566 					priv->led_mode);
567 			priv->led_mode = -1;
568 		}
569 	} else {
570 		priv->led_mode = -1;
571 	}
572 
573 	clk = devm_clk_get(&phydev->dev, "rmii-ref");
574 	/* NOTE: clk may be NULL if building without CONFIG_HAVE_CLK */
575 	if (!IS_ERR_OR_NULL(clk)) {
576 		unsigned long rate = clk_get_rate(clk);
577 		bool rmii_ref_clk_sel_25_mhz;
578 
579 		priv->rmii_ref_clk_sel = type->has_rmii_ref_clk_sel;
580 		rmii_ref_clk_sel_25_mhz = of_property_read_bool(np,
581 				"micrel,rmii-reference-clock-select-25-mhz");
582 
583 		if (rate > 24500000 && rate < 25500000) {
584 			priv->rmii_ref_clk_sel_val = rmii_ref_clk_sel_25_mhz;
585 		} else if (rate > 49500000 && rate < 50500000) {
586 			priv->rmii_ref_clk_sel_val = !rmii_ref_clk_sel_25_mhz;
587 		} else {
588 			dev_err(&phydev->dev, "Clock rate out of range: %ld\n", rate);
589 			return -EINVAL;
590 		}
591 	}
592 
593 	/* Support legacy board-file configuration */
594 	if (phydev->dev_flags & MICREL_PHY_50MHZ_CLK) {
595 		priv->rmii_ref_clk_sel = true;
596 		priv->rmii_ref_clk_sel_val = true;
597 	}
598 
599 	return 0;
600 }
601 
602 static struct phy_driver ksphy_driver[] = {
603 {
604 	.phy_id		= PHY_ID_KS8737,
605 	.phy_id_mask	= 0x00fffff0,
606 	.name		= "Micrel KS8737",
607 	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause),
608 	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
609 	.driver_data	= &ks8737_type,
610 	.config_init	= kszphy_config_init,
611 	.config_aneg	= genphy_config_aneg,
612 	.read_status	= genphy_read_status,
613 	.ack_interrupt	= kszphy_ack_interrupt,
614 	.config_intr	= kszphy_config_intr,
615 	.suspend	= genphy_suspend,
616 	.resume		= genphy_resume,
617 	.driver		= { .owner = THIS_MODULE,},
618 }, {
619 	.phy_id		= PHY_ID_KSZ8021,
620 	.phy_id_mask	= 0x00ffffff,
621 	.name		= "Micrel KSZ8021 or KSZ8031",
622 	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause |
623 			   SUPPORTED_Asym_Pause),
624 	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
625 	.driver_data	= &ksz8021_type,
626 	.probe		= kszphy_probe,
627 	.config_init	= kszphy_config_init,
628 	.config_aneg	= genphy_config_aneg,
629 	.read_status	= genphy_read_status,
630 	.ack_interrupt	= kszphy_ack_interrupt,
631 	.config_intr	= kszphy_config_intr,
632 	.suspend	= genphy_suspend,
633 	.resume		= genphy_resume,
634 	.driver		= { .owner = THIS_MODULE,},
635 }, {
636 	.phy_id		= PHY_ID_KSZ8031,
637 	.phy_id_mask	= 0x00ffffff,
638 	.name		= "Micrel KSZ8031",
639 	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause |
640 			   SUPPORTED_Asym_Pause),
641 	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
642 	.driver_data	= &ksz8021_type,
643 	.probe		= kszphy_probe,
644 	.config_init	= kszphy_config_init,
645 	.config_aneg	= genphy_config_aneg,
646 	.read_status	= genphy_read_status,
647 	.ack_interrupt	= kszphy_ack_interrupt,
648 	.config_intr	= kszphy_config_intr,
649 	.suspend	= genphy_suspend,
650 	.resume		= genphy_resume,
651 	.driver		= { .owner = THIS_MODULE,},
652 }, {
653 	.phy_id		= PHY_ID_KSZ8041,
654 	.phy_id_mask	= 0x00fffff0,
655 	.name		= "Micrel KSZ8041",
656 	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause
657 				| SUPPORTED_Asym_Pause),
658 	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
659 	.driver_data	= &ksz8041_type,
660 	.probe		= kszphy_probe,
661 	.config_init	= kszphy_config_init,
662 	.config_aneg	= genphy_config_aneg,
663 	.read_status	= genphy_read_status,
664 	.ack_interrupt	= kszphy_ack_interrupt,
665 	.config_intr	= kszphy_config_intr,
666 	.suspend	= genphy_suspend,
667 	.resume		= genphy_resume,
668 	.driver		= { .owner = THIS_MODULE,},
669 }, {
670 	.phy_id		= PHY_ID_KSZ8041RNLI,
671 	.phy_id_mask	= 0x00fffff0,
672 	.name		= "Micrel KSZ8041RNLI",
673 	.features	= PHY_BASIC_FEATURES |
674 			  SUPPORTED_Pause | SUPPORTED_Asym_Pause,
675 	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
676 	.driver_data	= &ksz8041_type,
677 	.probe		= kszphy_probe,
678 	.config_init	= kszphy_config_init,
679 	.config_aneg	= genphy_config_aneg,
680 	.read_status	= genphy_read_status,
681 	.ack_interrupt	= kszphy_ack_interrupt,
682 	.config_intr	= kszphy_config_intr,
683 	.suspend	= genphy_suspend,
684 	.resume		= genphy_resume,
685 	.driver		= { .owner = THIS_MODULE,},
686 }, {
687 	.phy_id		= PHY_ID_KSZ8051,
688 	.phy_id_mask	= 0x00fffff0,
689 	.name		= "Micrel KSZ8051",
690 	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause
691 				| SUPPORTED_Asym_Pause),
692 	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
693 	.driver_data	= &ksz8051_type,
694 	.probe		= kszphy_probe,
695 	.config_init	= kszphy_config_init,
696 	.config_aneg	= genphy_config_aneg,
697 	.read_status	= genphy_read_status,
698 	.ack_interrupt	= kszphy_ack_interrupt,
699 	.config_intr	= kszphy_config_intr,
700 	.suspend	= genphy_suspend,
701 	.resume		= genphy_resume,
702 	.driver		= { .owner = THIS_MODULE,},
703 }, {
704 	.phy_id		= PHY_ID_KSZ8001,
705 	.name		= "Micrel KSZ8001 or KS8721",
706 	.phy_id_mask	= 0x00ffffff,
707 	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause),
708 	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
709 	.driver_data	= &ksz8041_type,
710 	.probe		= kszphy_probe,
711 	.config_init	= kszphy_config_init,
712 	.config_aneg	= genphy_config_aneg,
713 	.read_status	= genphy_read_status,
714 	.ack_interrupt	= kszphy_ack_interrupt,
715 	.config_intr	= kszphy_config_intr,
716 	.suspend	= genphy_suspend,
717 	.resume		= genphy_resume,
718 	.driver		= { .owner = THIS_MODULE,},
719 }, {
720 	.phy_id		= PHY_ID_KSZ8081,
721 	.name		= "Micrel KSZ8081 or KSZ8091",
722 	.phy_id_mask	= 0x00fffff0,
723 	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause),
724 	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
725 	.driver_data	= &ksz8081_type,
726 	.probe		= kszphy_probe,
727 	.config_init	= kszphy_config_init,
728 	.config_aneg	= genphy_config_aneg,
729 	.read_status	= genphy_read_status,
730 	.ack_interrupt	= kszphy_ack_interrupt,
731 	.config_intr	= kszphy_config_intr,
732 	.suspend	= genphy_suspend,
733 	.resume		= genphy_resume,
734 	.driver		= { .owner = THIS_MODULE,},
735 }, {
736 	.phy_id		= PHY_ID_KSZ8061,
737 	.name		= "Micrel KSZ8061",
738 	.phy_id_mask	= 0x00fffff0,
739 	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause),
740 	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
741 	.config_init	= kszphy_config_init,
742 	.config_aneg	= genphy_config_aneg,
743 	.read_status	= genphy_read_status,
744 	.ack_interrupt	= kszphy_ack_interrupt,
745 	.config_intr	= kszphy_config_intr,
746 	.suspend	= genphy_suspend,
747 	.resume		= genphy_resume,
748 	.driver		= { .owner = THIS_MODULE,},
749 }, {
750 	.phy_id		= PHY_ID_KSZ9021,
751 	.phy_id_mask	= 0x000ffffe,
752 	.name		= "Micrel KSZ9021 Gigabit PHY",
753 	.features	= (PHY_GBIT_FEATURES | SUPPORTED_Pause),
754 	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
755 	.driver_data	= &ksz9021_type,
756 	.config_init	= ksz9021_config_init,
757 	.config_aneg	= genphy_config_aneg,
758 	.read_status	= genphy_read_status,
759 	.ack_interrupt	= kszphy_ack_interrupt,
760 	.config_intr	= kszphy_config_intr,
761 	.suspend	= genphy_suspend,
762 	.resume		= genphy_resume,
763 	.read_mmd_indirect = ksz9021_rd_mmd_phyreg,
764 	.write_mmd_indirect = ksz9021_wr_mmd_phyreg,
765 	.driver		= { .owner = THIS_MODULE, },
766 }, {
767 	.phy_id		= PHY_ID_KSZ9031,
768 	.phy_id_mask	= 0x00fffff0,
769 	.name		= "Micrel KSZ9031 Gigabit PHY",
770 	.features	= (PHY_GBIT_FEATURES | SUPPORTED_Pause),
771 	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
772 	.driver_data	= &ksz9021_type,
773 	.config_init	= ksz9031_config_init,
774 	.config_aneg	= genphy_config_aneg,
775 	.read_status	= genphy_read_status,
776 	.ack_interrupt	= kszphy_ack_interrupt,
777 	.config_intr	= kszphy_config_intr,
778 	.suspend	= genphy_suspend,
779 	.resume		= genphy_resume,
780 	.driver		= { .owner = THIS_MODULE, },
781 }, {
782 	.phy_id		= PHY_ID_KSZ8873MLL,
783 	.phy_id_mask	= 0x00fffff0,
784 	.name		= "Micrel KSZ8873MLL Switch",
785 	.features	= (SUPPORTED_Pause | SUPPORTED_Asym_Pause),
786 	.flags		= PHY_HAS_MAGICANEG,
787 	.config_init	= kszphy_config_init,
788 	.config_aneg	= ksz8873mll_config_aneg,
789 	.read_status	= ksz8873mll_read_status,
790 	.suspend	= genphy_suspend,
791 	.resume		= genphy_resume,
792 	.driver		= { .owner = THIS_MODULE, },
793 }, {
794 	.phy_id		= PHY_ID_KSZ886X,
795 	.phy_id_mask	= 0x00fffff0,
796 	.name		= "Micrel KSZ886X Switch",
797 	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause),
798 	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
799 	.config_init	= kszphy_config_init,
800 	.config_aneg	= genphy_config_aneg,
801 	.read_status	= genphy_read_status,
802 	.suspend	= genphy_suspend,
803 	.resume		= genphy_resume,
804 	.driver		= { .owner = THIS_MODULE, },
805 } };
806 
807 module_phy_driver(ksphy_driver);
808 
809 MODULE_DESCRIPTION("Micrel PHY driver");
810 MODULE_AUTHOR("David J. Choi");
811 MODULE_LICENSE("GPL");
812 
813 static struct mdio_device_id __maybe_unused micrel_tbl[] = {
814 	{ PHY_ID_KSZ9021, 0x000ffffe },
815 	{ PHY_ID_KSZ9031, 0x00fffff0 },
816 	{ PHY_ID_KSZ8001, 0x00ffffff },
817 	{ PHY_ID_KS8737, 0x00fffff0 },
818 	{ PHY_ID_KSZ8021, 0x00ffffff },
819 	{ PHY_ID_KSZ8031, 0x00ffffff },
820 	{ PHY_ID_KSZ8041, 0x00fffff0 },
821 	{ PHY_ID_KSZ8051, 0x00fffff0 },
822 	{ PHY_ID_KSZ8061, 0x00fffff0 },
823 	{ PHY_ID_KSZ8081, 0x00fffff0 },
824 	{ PHY_ID_KSZ8873MLL, 0x00fffff0 },
825 	{ PHY_ID_KSZ886X, 0x00fffff0 },
826 	{ }
827 };
828 
829 MODULE_DEVICE_TABLE(mdio, micrel_tbl);
830