1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 /*
3  * Microsemi SoCs pinctrl driver
4  *
5  * Author: <alexandre.belloni@free-electrons.com>
6  * License: Dual MIT/GPL
7  * Copyright (c) 2017 Microsemi Corporation
8  */
9 
10 #include <linux/gpio/driver.h>
11 #include <linux/interrupt.h>
12 #include <linux/io.h>
13 #include <linux/mfd/ocelot.h>
14 #include <linux/of_device.h>
15 #include <linux/of_irq.h>
16 #include <linux/of_platform.h>
17 #include <linux/pinctrl/pinctrl.h>
18 #include <linux/pinctrl/pinmux.h>
19 #include <linux/pinctrl/pinconf.h>
20 #include <linux/pinctrl/pinconf-generic.h>
21 #include <linux/platform_device.h>
22 #include <linux/regmap.h>
23 #include <linux/reset.h>
24 #include <linux/slab.h>
25 
26 #include "core.h"
27 #include "pinconf.h"
28 #include "pinmux.h"
29 
30 #define ocelot_clrsetbits(addr, clear, set) \
31 	writel((readl(addr) & ~(clear)) | (set), (addr))
32 
33 enum {
34 	PINCONF_BIAS,
35 	PINCONF_SCHMITT,
36 	PINCONF_DRIVE_STRENGTH,
37 };
38 
39 /* GPIO standard registers */
40 #define OCELOT_GPIO_OUT_SET	0x0
41 #define OCELOT_GPIO_OUT_CLR	0x4
42 #define OCELOT_GPIO_OUT		0x8
43 #define OCELOT_GPIO_IN		0xc
44 #define OCELOT_GPIO_OE		0x10
45 #define OCELOT_GPIO_INTR	0x14
46 #define OCELOT_GPIO_INTR_ENA	0x18
47 #define OCELOT_GPIO_INTR_IDENT	0x1c
48 #define OCELOT_GPIO_ALT0	0x20
49 #define OCELOT_GPIO_ALT1	0x24
50 #define OCELOT_GPIO_SD_MAP	0x28
51 
52 #define OCELOT_FUNC_PER_PIN	4
53 
54 enum {
55 	FUNC_CAN0_a,
56 	FUNC_CAN0_b,
57 	FUNC_CAN1,
58 	FUNC_CLKMON,
59 	FUNC_NONE,
60 	FUNC_FC0_a,
61 	FUNC_FC0_b,
62 	FUNC_FC0_c,
63 	FUNC_FC1_a,
64 	FUNC_FC1_b,
65 	FUNC_FC1_c,
66 	FUNC_FC2_a,
67 	FUNC_FC2_b,
68 	FUNC_FC3_a,
69 	FUNC_FC3_b,
70 	FUNC_FC3_c,
71 	FUNC_FC4_a,
72 	FUNC_FC4_b,
73 	FUNC_FC4_c,
74 	FUNC_FC_SHRD0,
75 	FUNC_FC_SHRD1,
76 	FUNC_FC_SHRD2,
77 	FUNC_FC_SHRD3,
78 	FUNC_FC_SHRD4,
79 	FUNC_FC_SHRD5,
80 	FUNC_FC_SHRD6,
81 	FUNC_FC_SHRD7,
82 	FUNC_FC_SHRD8,
83 	FUNC_FC_SHRD9,
84 	FUNC_FC_SHRD10,
85 	FUNC_FC_SHRD11,
86 	FUNC_FC_SHRD12,
87 	FUNC_FC_SHRD13,
88 	FUNC_FC_SHRD14,
89 	FUNC_FC_SHRD15,
90 	FUNC_FC_SHRD16,
91 	FUNC_FC_SHRD17,
92 	FUNC_FC_SHRD18,
93 	FUNC_FC_SHRD19,
94 	FUNC_FC_SHRD20,
95 	FUNC_GPIO,
96 	FUNC_IB_TRG_a,
97 	FUNC_IB_TRG_b,
98 	FUNC_IB_TRG_c,
99 	FUNC_IRQ0,
100 	FUNC_IRQ_IN_a,
101 	FUNC_IRQ_IN_b,
102 	FUNC_IRQ_IN_c,
103 	FUNC_IRQ0_IN,
104 	FUNC_IRQ_OUT_a,
105 	FUNC_IRQ_OUT_b,
106 	FUNC_IRQ_OUT_c,
107 	FUNC_IRQ0_OUT,
108 	FUNC_IRQ1,
109 	FUNC_IRQ1_IN,
110 	FUNC_IRQ1_OUT,
111 	FUNC_EXT_IRQ,
112 	FUNC_MIIM,
113 	FUNC_MIIM_a,
114 	FUNC_MIIM_b,
115 	FUNC_MIIM_c,
116 	FUNC_MIIM_Sa,
117 	FUNC_MIIM_Sb,
118 	FUNC_OB_TRG,
119 	FUNC_OB_TRG_a,
120 	FUNC_OB_TRG_b,
121 	FUNC_PHY_LED,
122 	FUNC_PCI_WAKE,
123 	FUNC_MD,
124 	FUNC_PTP0,
125 	FUNC_PTP1,
126 	FUNC_PTP2,
127 	FUNC_PTP3,
128 	FUNC_PTPSYNC_0,
129 	FUNC_PTPSYNC_1,
130 	FUNC_PTPSYNC_2,
131 	FUNC_PTPSYNC_3,
132 	FUNC_PTPSYNC_4,
133 	FUNC_PTPSYNC_5,
134 	FUNC_PTPSYNC_6,
135 	FUNC_PTPSYNC_7,
136 	FUNC_PWM,
137 	FUNC_PWM_a,
138 	FUNC_PWM_b,
139 	FUNC_QSPI1,
140 	FUNC_QSPI2,
141 	FUNC_R,
142 	FUNC_RECO_a,
143 	FUNC_RECO_b,
144 	FUNC_RECO_CLK,
145 	FUNC_SD,
146 	FUNC_SFP,
147 	FUNC_SFP_SD,
148 	FUNC_SG0,
149 	FUNC_SG1,
150 	FUNC_SG2,
151 	FUNC_SGPIO_a,
152 	FUNC_SGPIO_b,
153 	FUNC_SI,
154 	FUNC_SI2,
155 	FUNC_TACHO,
156 	FUNC_TACHO_a,
157 	FUNC_TACHO_b,
158 	FUNC_TWI,
159 	FUNC_TWI2,
160 	FUNC_TWI3,
161 	FUNC_TWI_SCL_M,
162 	FUNC_TWI_SLC_GATE,
163 	FUNC_TWI_SLC_GATE_AD,
164 	FUNC_UART,
165 	FUNC_UART2,
166 	FUNC_UART3,
167 	FUNC_USB_H_a,
168 	FUNC_USB_H_b,
169 	FUNC_USB_H_c,
170 	FUNC_USB_S_a,
171 	FUNC_USB_S_b,
172 	FUNC_USB_S_c,
173 	FUNC_PLL_STAT,
174 	FUNC_EMMC,
175 	FUNC_EMMC_SD,
176 	FUNC_REF_CLK,
177 	FUNC_RCVRD_CLK,
178 	FUNC_MAX
179 };
180 
181 static const char *const ocelot_function_names[] = {
182 	[FUNC_CAN0_a]		= "can0_a",
183 	[FUNC_CAN0_b]		= "can0_b",
184 	[FUNC_CAN1]		= "can1",
185 	[FUNC_CLKMON]		= "clkmon",
186 	[FUNC_NONE]		= "none",
187 	[FUNC_FC0_a]		= "fc0_a",
188 	[FUNC_FC0_b]		= "fc0_b",
189 	[FUNC_FC0_c]		= "fc0_c",
190 	[FUNC_FC1_a]		= "fc1_a",
191 	[FUNC_FC1_b]		= "fc1_b",
192 	[FUNC_FC1_c]		= "fc1_c",
193 	[FUNC_FC2_a]		= "fc2_a",
194 	[FUNC_FC2_b]		= "fc2_b",
195 	[FUNC_FC3_a]		= "fc3_a",
196 	[FUNC_FC3_b]		= "fc3_b",
197 	[FUNC_FC3_c]		= "fc3_c",
198 	[FUNC_FC4_a]		= "fc4_a",
199 	[FUNC_FC4_b]		= "fc4_b",
200 	[FUNC_FC4_c]		= "fc4_c",
201 	[FUNC_FC_SHRD0]		= "fc_shrd0",
202 	[FUNC_FC_SHRD1]		= "fc_shrd1",
203 	[FUNC_FC_SHRD2]		= "fc_shrd2",
204 	[FUNC_FC_SHRD3]		= "fc_shrd3",
205 	[FUNC_FC_SHRD4]		= "fc_shrd4",
206 	[FUNC_FC_SHRD5]		= "fc_shrd5",
207 	[FUNC_FC_SHRD6]		= "fc_shrd6",
208 	[FUNC_FC_SHRD7]		= "fc_shrd7",
209 	[FUNC_FC_SHRD8]		= "fc_shrd8",
210 	[FUNC_FC_SHRD9]		= "fc_shrd9",
211 	[FUNC_FC_SHRD10]	= "fc_shrd10",
212 	[FUNC_FC_SHRD11]	= "fc_shrd11",
213 	[FUNC_FC_SHRD12]	= "fc_shrd12",
214 	[FUNC_FC_SHRD13]	= "fc_shrd13",
215 	[FUNC_FC_SHRD14]	= "fc_shrd14",
216 	[FUNC_FC_SHRD15]	= "fc_shrd15",
217 	[FUNC_FC_SHRD16]	= "fc_shrd16",
218 	[FUNC_FC_SHRD17]	= "fc_shrd17",
219 	[FUNC_FC_SHRD18]	= "fc_shrd18",
220 	[FUNC_FC_SHRD19]	= "fc_shrd19",
221 	[FUNC_FC_SHRD20]	= "fc_shrd20",
222 	[FUNC_GPIO]		= "gpio",
223 	[FUNC_IB_TRG_a]		= "ib_trig_a",
224 	[FUNC_IB_TRG_b]		= "ib_trig_b",
225 	[FUNC_IB_TRG_c]		= "ib_trig_c",
226 	[FUNC_IRQ0]		= "irq0",
227 	[FUNC_IRQ_IN_a]		= "irq_in_a",
228 	[FUNC_IRQ_IN_b]		= "irq_in_b",
229 	[FUNC_IRQ_IN_c]		= "irq_in_c",
230 	[FUNC_IRQ0_IN]		= "irq0_in",
231 	[FUNC_IRQ_OUT_a]	= "irq_out_a",
232 	[FUNC_IRQ_OUT_b]	= "irq_out_b",
233 	[FUNC_IRQ_OUT_c]	= "irq_out_c",
234 	[FUNC_IRQ0_OUT]		= "irq0_out",
235 	[FUNC_IRQ1]		= "irq1",
236 	[FUNC_IRQ1_IN]		= "irq1_in",
237 	[FUNC_IRQ1_OUT]		= "irq1_out",
238 	[FUNC_EXT_IRQ]		= "ext_irq",
239 	[FUNC_MIIM]		= "miim",
240 	[FUNC_MIIM_a]		= "miim_a",
241 	[FUNC_MIIM_b]		= "miim_b",
242 	[FUNC_MIIM_c]		= "miim_c",
243 	[FUNC_MIIM_Sa]		= "miim_slave_a",
244 	[FUNC_MIIM_Sb]		= "miim_slave_b",
245 	[FUNC_PHY_LED]		= "phy_led",
246 	[FUNC_PCI_WAKE]		= "pci_wake",
247 	[FUNC_MD]		= "md",
248 	[FUNC_OB_TRG]		= "ob_trig",
249 	[FUNC_OB_TRG_a]		= "ob_trig_a",
250 	[FUNC_OB_TRG_b]		= "ob_trig_b",
251 	[FUNC_PTP0]		= "ptp0",
252 	[FUNC_PTP1]		= "ptp1",
253 	[FUNC_PTP2]		= "ptp2",
254 	[FUNC_PTP3]		= "ptp3",
255 	[FUNC_PTPSYNC_0]	= "ptpsync_0",
256 	[FUNC_PTPSYNC_1]	= "ptpsync_1",
257 	[FUNC_PTPSYNC_2]	= "ptpsync_2",
258 	[FUNC_PTPSYNC_3]	= "ptpsync_3",
259 	[FUNC_PTPSYNC_4]	= "ptpsync_4",
260 	[FUNC_PTPSYNC_5]	= "ptpsync_5",
261 	[FUNC_PTPSYNC_6]	= "ptpsync_6",
262 	[FUNC_PTPSYNC_7]	= "ptpsync_7",
263 	[FUNC_PWM]		= "pwm",
264 	[FUNC_PWM_a]		= "pwm_a",
265 	[FUNC_PWM_b]		= "pwm_b",
266 	[FUNC_QSPI1]		= "qspi1",
267 	[FUNC_QSPI2]		= "qspi2",
268 	[FUNC_R]		= "reserved",
269 	[FUNC_RECO_a]		= "reco_a",
270 	[FUNC_RECO_b]		= "reco_b",
271 	[FUNC_RECO_CLK]		= "reco_clk",
272 	[FUNC_SD]		= "sd",
273 	[FUNC_SFP]		= "sfp",
274 	[FUNC_SFP_SD]		= "sfp_sd",
275 	[FUNC_SG0]		= "sg0",
276 	[FUNC_SG1]		= "sg1",
277 	[FUNC_SG2]		= "sg2",
278 	[FUNC_SGPIO_a]		= "sgpio_a",
279 	[FUNC_SGPIO_b]		= "sgpio_b",
280 	[FUNC_SI]		= "si",
281 	[FUNC_SI2]		= "si2",
282 	[FUNC_TACHO]		= "tacho",
283 	[FUNC_TACHO_a]		= "tacho_a",
284 	[FUNC_TACHO_b]		= "tacho_b",
285 	[FUNC_TWI]		= "twi",
286 	[FUNC_TWI2]		= "twi2",
287 	[FUNC_TWI3]		= "twi3",
288 	[FUNC_TWI_SCL_M]	= "twi_scl_m",
289 	[FUNC_TWI_SLC_GATE]	= "twi_slc_gate",
290 	[FUNC_TWI_SLC_GATE_AD]	= "twi_slc_gate_ad",
291 	[FUNC_USB_H_a]		= "usb_host_a",
292 	[FUNC_USB_H_b]		= "usb_host_b",
293 	[FUNC_USB_H_c]		= "usb_host_c",
294 	[FUNC_USB_S_a]		= "usb_slave_a",
295 	[FUNC_USB_S_b]		= "usb_slave_b",
296 	[FUNC_USB_S_c]		= "usb_slave_c",
297 	[FUNC_UART]		= "uart",
298 	[FUNC_UART2]		= "uart2",
299 	[FUNC_UART3]		= "uart3",
300 	[FUNC_PLL_STAT]		= "pll_stat",
301 	[FUNC_EMMC]		= "emmc",
302 	[FUNC_EMMC_SD]		= "emmc_sd",
303 	[FUNC_REF_CLK]		= "ref_clk",
304 	[FUNC_RCVRD_CLK]	= "rcvrd_clk",
305 };
306 
307 struct ocelot_pmx_func {
308 	const char **groups;
309 	unsigned int ngroups;
310 };
311 
312 struct ocelot_pin_caps {
313 	unsigned int pin;
314 	unsigned char functions[OCELOT_FUNC_PER_PIN];
315 	unsigned char a_functions[OCELOT_FUNC_PER_PIN];	/* Additional functions */
316 };
317 
318 struct ocelot_pincfg_data {
319 	u8 pd_bit;
320 	u8 pu_bit;
321 	u8 drive_bits;
322 	u8 schmitt_bit;
323 };
324 
325 struct ocelot_pinctrl {
326 	struct device *dev;
327 	struct pinctrl_dev *pctl;
328 	struct gpio_chip gpio_chip;
329 	struct regmap *map;
330 	struct regmap *pincfg;
331 	struct pinctrl_desc *desc;
332 	const struct ocelot_pincfg_data *pincfg_data;
333 	struct ocelot_pmx_func func[FUNC_MAX];
334 	u8 stride;
335 	struct workqueue_struct *wq;
336 };
337 
338 struct ocelot_match_data {
339 	struct pinctrl_desc desc;
340 	struct ocelot_pincfg_data pincfg_data;
341 };
342 
343 struct ocelot_irq_work {
344 	struct work_struct irq_work;
345 	struct irq_desc *irq_desc;
346 };
347 
348 #define LUTON_P(p, f0, f1)						\
349 static struct ocelot_pin_caps luton_pin_##p = {				\
350 	.pin = p,							\
351 	.functions = {							\
352 			FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_NONE,	\
353 	},								\
354 }
355 
356 LUTON_P(0,  SG0,       NONE);
357 LUTON_P(1,  SG0,       NONE);
358 LUTON_P(2,  SG0,       NONE);
359 LUTON_P(3,  SG0,       NONE);
360 LUTON_P(4,  TACHO,     NONE);
361 LUTON_P(5,  TWI,       PHY_LED);
362 LUTON_P(6,  TWI,       PHY_LED);
363 LUTON_P(7,  NONE,      PHY_LED);
364 LUTON_P(8,  EXT_IRQ,   PHY_LED);
365 LUTON_P(9,  EXT_IRQ,   PHY_LED);
366 LUTON_P(10, SFP,       PHY_LED);
367 LUTON_P(11, SFP,       PHY_LED);
368 LUTON_P(12, SFP,       PHY_LED);
369 LUTON_P(13, SFP,       PHY_LED);
370 LUTON_P(14, SI,        PHY_LED);
371 LUTON_P(15, SI,        PHY_LED);
372 LUTON_P(16, SI,        PHY_LED);
373 LUTON_P(17, SFP,       PHY_LED);
374 LUTON_P(18, SFP,       PHY_LED);
375 LUTON_P(19, SFP,       PHY_LED);
376 LUTON_P(20, SFP,       PHY_LED);
377 LUTON_P(21, SFP,       PHY_LED);
378 LUTON_P(22, SFP,       PHY_LED);
379 LUTON_P(23, SFP,       PHY_LED);
380 LUTON_P(24, SFP,       PHY_LED);
381 LUTON_P(25, SFP,       PHY_LED);
382 LUTON_P(26, SFP,       PHY_LED);
383 LUTON_P(27, SFP,       PHY_LED);
384 LUTON_P(28, SFP,       PHY_LED);
385 LUTON_P(29, PWM,       NONE);
386 LUTON_P(30, UART,      NONE);
387 LUTON_P(31, UART,      NONE);
388 
389 #define LUTON_PIN(n) {						\
390 	.number = n,						\
391 	.name = "GPIO_"#n,					\
392 	.drv_data = &luton_pin_##n				\
393 }
394 
395 static const struct pinctrl_pin_desc luton_pins[] = {
396 	LUTON_PIN(0),
397 	LUTON_PIN(1),
398 	LUTON_PIN(2),
399 	LUTON_PIN(3),
400 	LUTON_PIN(4),
401 	LUTON_PIN(5),
402 	LUTON_PIN(6),
403 	LUTON_PIN(7),
404 	LUTON_PIN(8),
405 	LUTON_PIN(9),
406 	LUTON_PIN(10),
407 	LUTON_PIN(11),
408 	LUTON_PIN(12),
409 	LUTON_PIN(13),
410 	LUTON_PIN(14),
411 	LUTON_PIN(15),
412 	LUTON_PIN(16),
413 	LUTON_PIN(17),
414 	LUTON_PIN(18),
415 	LUTON_PIN(19),
416 	LUTON_PIN(20),
417 	LUTON_PIN(21),
418 	LUTON_PIN(22),
419 	LUTON_PIN(23),
420 	LUTON_PIN(24),
421 	LUTON_PIN(25),
422 	LUTON_PIN(26),
423 	LUTON_PIN(27),
424 	LUTON_PIN(28),
425 	LUTON_PIN(29),
426 	LUTON_PIN(30),
427 	LUTON_PIN(31),
428 };
429 
430 #define SERVAL_P(p, f0, f1, f2)						\
431 static struct ocelot_pin_caps serval_pin_##p = {			\
432 	.pin = p,							\
433 	.functions = {							\
434 			FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2,	\
435 	},								\
436 }
437 
438 SERVAL_P(0,  SG0,       NONE,      NONE);
439 SERVAL_P(1,  SG0,       NONE,      NONE);
440 SERVAL_P(2,  SG0,       NONE,      NONE);
441 SERVAL_P(3,  SG0,       NONE,      NONE);
442 SERVAL_P(4,  TACHO,     NONE,      NONE);
443 SERVAL_P(5,  PWM,       NONE,      NONE);
444 SERVAL_P(6,  TWI,       NONE,      NONE);
445 SERVAL_P(7,  TWI,       NONE,      NONE);
446 SERVAL_P(8,  SI,        NONE,      NONE);
447 SERVAL_P(9,  SI,        MD,        NONE);
448 SERVAL_P(10, SI,        MD,        NONE);
449 SERVAL_P(11, SFP,       MD,        TWI_SCL_M);
450 SERVAL_P(12, SFP,       MD,        TWI_SCL_M);
451 SERVAL_P(13, SFP,       UART2,     TWI_SCL_M);
452 SERVAL_P(14, SFP,       UART2,     TWI_SCL_M);
453 SERVAL_P(15, SFP,       PTP0,      TWI_SCL_M);
454 SERVAL_P(16, SFP,       PTP0,      TWI_SCL_M);
455 SERVAL_P(17, SFP,       PCI_WAKE,  TWI_SCL_M);
456 SERVAL_P(18, SFP,       NONE,      TWI_SCL_M);
457 SERVAL_P(19, SFP,       NONE,      TWI_SCL_M);
458 SERVAL_P(20, SFP,       NONE,      TWI_SCL_M);
459 SERVAL_P(21, SFP,       NONE,      TWI_SCL_M);
460 SERVAL_P(22, NONE,      NONE,      NONE);
461 SERVAL_P(23, NONE,      NONE,      NONE);
462 SERVAL_P(24, NONE,      NONE,      NONE);
463 SERVAL_P(25, NONE,      NONE,      NONE);
464 SERVAL_P(26, UART,      NONE,      NONE);
465 SERVAL_P(27, UART,      NONE,      NONE);
466 SERVAL_P(28, IRQ0,      NONE,      NONE);
467 SERVAL_P(29, IRQ1,      NONE,      NONE);
468 SERVAL_P(30, PTP0,      NONE,      NONE);
469 SERVAL_P(31, PTP0,      NONE,      NONE);
470 
471 #define SERVAL_PIN(n) {						\
472 	.number = n,						\
473 	.name = "GPIO_"#n,					\
474 	.drv_data = &serval_pin_##n				\
475 }
476 
477 static const struct pinctrl_pin_desc serval_pins[] = {
478 	SERVAL_PIN(0),
479 	SERVAL_PIN(1),
480 	SERVAL_PIN(2),
481 	SERVAL_PIN(3),
482 	SERVAL_PIN(4),
483 	SERVAL_PIN(5),
484 	SERVAL_PIN(6),
485 	SERVAL_PIN(7),
486 	SERVAL_PIN(8),
487 	SERVAL_PIN(9),
488 	SERVAL_PIN(10),
489 	SERVAL_PIN(11),
490 	SERVAL_PIN(12),
491 	SERVAL_PIN(13),
492 	SERVAL_PIN(14),
493 	SERVAL_PIN(15),
494 	SERVAL_PIN(16),
495 	SERVAL_PIN(17),
496 	SERVAL_PIN(18),
497 	SERVAL_PIN(19),
498 	SERVAL_PIN(20),
499 	SERVAL_PIN(21),
500 	SERVAL_PIN(22),
501 	SERVAL_PIN(23),
502 	SERVAL_PIN(24),
503 	SERVAL_PIN(25),
504 	SERVAL_PIN(26),
505 	SERVAL_PIN(27),
506 	SERVAL_PIN(28),
507 	SERVAL_PIN(29),
508 	SERVAL_PIN(30),
509 	SERVAL_PIN(31),
510 };
511 
512 #define OCELOT_P(p, f0, f1, f2)						\
513 static struct ocelot_pin_caps ocelot_pin_##p = {			\
514 	.pin = p,							\
515 	.functions = {							\
516 			FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2,	\
517 	},								\
518 }
519 
520 OCELOT_P(0,  SG0,       NONE,      NONE);
521 OCELOT_P(1,  SG0,       NONE,      NONE);
522 OCELOT_P(2,  SG0,       NONE,      NONE);
523 OCELOT_P(3,  SG0,       NONE,      NONE);
524 OCELOT_P(4,  IRQ0_IN,   IRQ0_OUT,  TWI_SCL_M);
525 OCELOT_P(5,  IRQ1_IN,   IRQ1_OUT,  PCI_WAKE);
526 OCELOT_P(6,  UART,      TWI_SCL_M, NONE);
527 OCELOT_P(7,  UART,      TWI_SCL_M, NONE);
528 OCELOT_P(8,  SI,        TWI_SCL_M, IRQ0_OUT);
529 OCELOT_P(9,  SI,        TWI_SCL_M, IRQ1_OUT);
530 OCELOT_P(10, PTP2,      TWI_SCL_M, SFP);
531 OCELOT_P(11, PTP3,      TWI_SCL_M, SFP);
532 OCELOT_P(12, UART2,     TWI_SCL_M, SFP);
533 OCELOT_P(13, UART2,     TWI_SCL_M, SFP);
534 OCELOT_P(14, MIIM,      TWI_SCL_M, SFP);
535 OCELOT_P(15, MIIM,      TWI_SCL_M, SFP);
536 OCELOT_P(16, TWI,       NONE,      SI);
537 OCELOT_P(17, TWI,       TWI_SCL_M, SI);
538 OCELOT_P(18, PTP0,      TWI_SCL_M, NONE);
539 OCELOT_P(19, PTP1,      TWI_SCL_M, NONE);
540 OCELOT_P(20, RECO_CLK,  TACHO,     TWI_SCL_M);
541 OCELOT_P(21, RECO_CLK,  PWM,       TWI_SCL_M);
542 
543 #define OCELOT_PIN(n) {						\
544 	.number = n,						\
545 	.name = "GPIO_"#n,					\
546 	.drv_data = &ocelot_pin_##n				\
547 }
548 
549 static const struct pinctrl_pin_desc ocelot_pins[] = {
550 	OCELOT_PIN(0),
551 	OCELOT_PIN(1),
552 	OCELOT_PIN(2),
553 	OCELOT_PIN(3),
554 	OCELOT_PIN(4),
555 	OCELOT_PIN(5),
556 	OCELOT_PIN(6),
557 	OCELOT_PIN(7),
558 	OCELOT_PIN(8),
559 	OCELOT_PIN(9),
560 	OCELOT_PIN(10),
561 	OCELOT_PIN(11),
562 	OCELOT_PIN(12),
563 	OCELOT_PIN(13),
564 	OCELOT_PIN(14),
565 	OCELOT_PIN(15),
566 	OCELOT_PIN(16),
567 	OCELOT_PIN(17),
568 	OCELOT_PIN(18),
569 	OCELOT_PIN(19),
570 	OCELOT_PIN(20),
571 	OCELOT_PIN(21),
572 };
573 
574 #define JAGUAR2_P(p, f0, f1)						\
575 static struct ocelot_pin_caps jaguar2_pin_##p = {			\
576 	.pin = p,							\
577 	.functions = {							\
578 			FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_NONE	\
579 	},								\
580 }
581 
582 JAGUAR2_P(0,  SG0,       NONE);
583 JAGUAR2_P(1,  SG0,       NONE);
584 JAGUAR2_P(2,  SG0,       NONE);
585 JAGUAR2_P(3,  SG0,       NONE);
586 JAGUAR2_P(4,  SG1,       NONE);
587 JAGUAR2_P(5,  SG1,       NONE);
588 JAGUAR2_P(6,  IRQ0_IN,   IRQ0_OUT);
589 JAGUAR2_P(7,  IRQ1_IN,   IRQ1_OUT);
590 JAGUAR2_P(8,  PTP0,      NONE);
591 JAGUAR2_P(9,  PTP1,      NONE);
592 JAGUAR2_P(10, UART,      NONE);
593 JAGUAR2_P(11, UART,      NONE);
594 JAGUAR2_P(12, SG1,       NONE);
595 JAGUAR2_P(13, SG1,       NONE);
596 JAGUAR2_P(14, TWI,       TWI_SCL_M);
597 JAGUAR2_P(15, TWI,       NONE);
598 JAGUAR2_P(16, SI,        TWI_SCL_M);
599 JAGUAR2_P(17, SI,        TWI_SCL_M);
600 JAGUAR2_P(18, SI,        TWI_SCL_M);
601 JAGUAR2_P(19, PCI_WAKE,  NONE);
602 JAGUAR2_P(20, IRQ0_OUT,  TWI_SCL_M);
603 JAGUAR2_P(21, IRQ1_OUT,  TWI_SCL_M);
604 JAGUAR2_P(22, TACHO,     NONE);
605 JAGUAR2_P(23, PWM,       NONE);
606 JAGUAR2_P(24, UART2,     NONE);
607 JAGUAR2_P(25, UART2,     SI);
608 JAGUAR2_P(26, PTP2,      SI);
609 JAGUAR2_P(27, PTP3,      SI);
610 JAGUAR2_P(28, TWI2,      SI);
611 JAGUAR2_P(29, TWI2,      SI);
612 JAGUAR2_P(30, SG2,       SI);
613 JAGUAR2_P(31, SG2,       SI);
614 JAGUAR2_P(32, SG2,       SI);
615 JAGUAR2_P(33, SG2,       SI);
616 JAGUAR2_P(34, NONE,      TWI_SCL_M);
617 JAGUAR2_P(35, NONE,      TWI_SCL_M);
618 JAGUAR2_P(36, NONE,      TWI_SCL_M);
619 JAGUAR2_P(37, NONE,      TWI_SCL_M);
620 JAGUAR2_P(38, NONE,      TWI_SCL_M);
621 JAGUAR2_P(39, NONE,      TWI_SCL_M);
622 JAGUAR2_P(40, NONE,      TWI_SCL_M);
623 JAGUAR2_P(41, NONE,      TWI_SCL_M);
624 JAGUAR2_P(42, NONE,      TWI_SCL_M);
625 JAGUAR2_P(43, NONE,      TWI_SCL_M);
626 JAGUAR2_P(44, NONE,      SFP);
627 JAGUAR2_P(45, NONE,      SFP);
628 JAGUAR2_P(46, NONE,      SFP);
629 JAGUAR2_P(47, NONE,      SFP);
630 JAGUAR2_P(48, SFP,       NONE);
631 JAGUAR2_P(49, SFP,       SI);
632 JAGUAR2_P(50, SFP,       SI);
633 JAGUAR2_P(51, SFP,       SI);
634 JAGUAR2_P(52, SFP,       NONE);
635 JAGUAR2_P(53, SFP,       NONE);
636 JAGUAR2_P(54, SFP,       NONE);
637 JAGUAR2_P(55, SFP,       NONE);
638 JAGUAR2_P(56, MIIM,      SFP);
639 JAGUAR2_P(57, MIIM,      SFP);
640 JAGUAR2_P(58, MIIM,      SFP);
641 JAGUAR2_P(59, MIIM,      SFP);
642 JAGUAR2_P(60, NONE,      NONE);
643 JAGUAR2_P(61, NONE,      NONE);
644 JAGUAR2_P(62, NONE,      NONE);
645 JAGUAR2_P(63, NONE,      NONE);
646 
647 #define JAGUAR2_PIN(n) {					\
648 	.number = n,						\
649 	.name = "GPIO_"#n,					\
650 	.drv_data = &jaguar2_pin_##n				\
651 }
652 
653 static const struct pinctrl_pin_desc jaguar2_pins[] = {
654 	JAGUAR2_PIN(0),
655 	JAGUAR2_PIN(1),
656 	JAGUAR2_PIN(2),
657 	JAGUAR2_PIN(3),
658 	JAGUAR2_PIN(4),
659 	JAGUAR2_PIN(5),
660 	JAGUAR2_PIN(6),
661 	JAGUAR2_PIN(7),
662 	JAGUAR2_PIN(8),
663 	JAGUAR2_PIN(9),
664 	JAGUAR2_PIN(10),
665 	JAGUAR2_PIN(11),
666 	JAGUAR2_PIN(12),
667 	JAGUAR2_PIN(13),
668 	JAGUAR2_PIN(14),
669 	JAGUAR2_PIN(15),
670 	JAGUAR2_PIN(16),
671 	JAGUAR2_PIN(17),
672 	JAGUAR2_PIN(18),
673 	JAGUAR2_PIN(19),
674 	JAGUAR2_PIN(20),
675 	JAGUAR2_PIN(21),
676 	JAGUAR2_PIN(22),
677 	JAGUAR2_PIN(23),
678 	JAGUAR2_PIN(24),
679 	JAGUAR2_PIN(25),
680 	JAGUAR2_PIN(26),
681 	JAGUAR2_PIN(27),
682 	JAGUAR2_PIN(28),
683 	JAGUAR2_PIN(29),
684 	JAGUAR2_PIN(30),
685 	JAGUAR2_PIN(31),
686 	JAGUAR2_PIN(32),
687 	JAGUAR2_PIN(33),
688 	JAGUAR2_PIN(34),
689 	JAGUAR2_PIN(35),
690 	JAGUAR2_PIN(36),
691 	JAGUAR2_PIN(37),
692 	JAGUAR2_PIN(38),
693 	JAGUAR2_PIN(39),
694 	JAGUAR2_PIN(40),
695 	JAGUAR2_PIN(41),
696 	JAGUAR2_PIN(42),
697 	JAGUAR2_PIN(43),
698 	JAGUAR2_PIN(44),
699 	JAGUAR2_PIN(45),
700 	JAGUAR2_PIN(46),
701 	JAGUAR2_PIN(47),
702 	JAGUAR2_PIN(48),
703 	JAGUAR2_PIN(49),
704 	JAGUAR2_PIN(50),
705 	JAGUAR2_PIN(51),
706 	JAGUAR2_PIN(52),
707 	JAGUAR2_PIN(53),
708 	JAGUAR2_PIN(54),
709 	JAGUAR2_PIN(55),
710 	JAGUAR2_PIN(56),
711 	JAGUAR2_PIN(57),
712 	JAGUAR2_PIN(58),
713 	JAGUAR2_PIN(59),
714 	JAGUAR2_PIN(60),
715 	JAGUAR2_PIN(61),
716 	JAGUAR2_PIN(62),
717 	JAGUAR2_PIN(63),
718 };
719 
720 #define SERVALT_P(p, f0, f1, f2)					\
721 static struct ocelot_pin_caps servalt_pin_##p = {			\
722 	.pin = p,							\
723 	.functions = {							\
724 		FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2		\
725 	},								\
726 }
727 
728 SERVALT_P(0,  SG0,        NONE,      NONE);
729 SERVALT_P(1,  SG0,        NONE,      NONE);
730 SERVALT_P(2,  SG0,        NONE,      NONE);
731 SERVALT_P(3,  SG0,        NONE,      NONE);
732 SERVALT_P(4,  IRQ0_IN,    IRQ0_OUT,  TWI_SCL_M);
733 SERVALT_P(5,  IRQ1_IN,    IRQ1_OUT,  TWI_SCL_M);
734 SERVALT_P(6,  UART,       NONE,      NONE);
735 SERVALT_P(7,  UART,       NONE,      NONE);
736 SERVALT_P(8,  SI,         SFP,       TWI_SCL_M);
737 SERVALT_P(9,  PCI_WAKE,   SFP,       SI);
738 SERVALT_P(10, PTP0,       SFP,       TWI_SCL_M);
739 SERVALT_P(11, PTP1,       SFP,       TWI_SCL_M);
740 SERVALT_P(12, REF_CLK,    SFP,       TWI_SCL_M);
741 SERVALT_P(13, REF_CLK,    SFP,       TWI_SCL_M);
742 SERVALT_P(14, REF_CLK,    IRQ0_OUT,  SI);
743 SERVALT_P(15, REF_CLK,    IRQ1_OUT,  SI);
744 SERVALT_P(16, TACHO,      SFP,       SI);
745 SERVALT_P(17, PWM,        NONE,      TWI_SCL_M);
746 SERVALT_P(18, PTP2,       SFP,       SI);
747 SERVALT_P(19, PTP3,       SFP,       SI);
748 SERVALT_P(20, UART2,      SFP,       SI);
749 SERVALT_P(21, UART2,      NONE,      NONE);
750 SERVALT_P(22, MIIM,       SFP,       TWI2);
751 SERVALT_P(23, MIIM,       SFP,       TWI2);
752 SERVALT_P(24, TWI,        NONE,      NONE);
753 SERVALT_P(25, TWI,        SFP,       TWI_SCL_M);
754 SERVALT_P(26, TWI_SCL_M,  SFP,       SI);
755 SERVALT_P(27, TWI_SCL_M,  SFP,       SI);
756 SERVALT_P(28, TWI_SCL_M,  SFP,       SI);
757 SERVALT_P(29, TWI_SCL_M,  NONE,      NONE);
758 SERVALT_P(30, TWI_SCL_M,  NONE,      NONE);
759 SERVALT_P(31, TWI_SCL_M,  NONE,      NONE);
760 SERVALT_P(32, TWI_SCL_M,  NONE,      NONE);
761 SERVALT_P(33, RCVRD_CLK,  NONE,      NONE);
762 SERVALT_P(34, RCVRD_CLK,  NONE,      NONE);
763 SERVALT_P(35, RCVRD_CLK,  NONE,      NONE);
764 SERVALT_P(36, RCVRD_CLK,  NONE,      NONE);
765 
766 #define SERVALT_PIN(n) {					\
767 	.number = n,						\
768 	.name = "GPIO_"#n,					\
769 	.drv_data = &servalt_pin_##n				\
770 }
771 
772 static const struct pinctrl_pin_desc servalt_pins[] = {
773 	SERVALT_PIN(0),
774 	SERVALT_PIN(1),
775 	SERVALT_PIN(2),
776 	SERVALT_PIN(3),
777 	SERVALT_PIN(4),
778 	SERVALT_PIN(5),
779 	SERVALT_PIN(6),
780 	SERVALT_PIN(7),
781 	SERVALT_PIN(8),
782 	SERVALT_PIN(9),
783 	SERVALT_PIN(10),
784 	SERVALT_PIN(11),
785 	SERVALT_PIN(12),
786 	SERVALT_PIN(13),
787 	SERVALT_PIN(14),
788 	SERVALT_PIN(15),
789 	SERVALT_PIN(16),
790 	SERVALT_PIN(17),
791 	SERVALT_PIN(18),
792 	SERVALT_PIN(19),
793 	SERVALT_PIN(20),
794 	SERVALT_PIN(21),
795 	SERVALT_PIN(22),
796 	SERVALT_PIN(23),
797 	SERVALT_PIN(24),
798 	SERVALT_PIN(25),
799 	SERVALT_PIN(26),
800 	SERVALT_PIN(27),
801 	SERVALT_PIN(28),
802 	SERVALT_PIN(29),
803 	SERVALT_PIN(30),
804 	SERVALT_PIN(31),
805 	SERVALT_PIN(32),
806 	SERVALT_PIN(33),
807 	SERVALT_PIN(34),
808 	SERVALT_PIN(35),
809 	SERVALT_PIN(36),
810 };
811 
812 #define SPARX5_P(p, f0, f1, f2)					\
813 static struct ocelot_pin_caps sparx5_pin_##p = {			\
814 	.pin = p,							\
815 	.functions = {							\
816 		FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2		\
817 	},								\
818 }
819 
820 SPARX5_P(0,  SG0,       PLL_STAT,  NONE);
821 SPARX5_P(1,  SG0,       NONE,      NONE);
822 SPARX5_P(2,  SG0,       NONE,      NONE);
823 SPARX5_P(3,  SG0,       NONE,      NONE);
824 SPARX5_P(4,  SG1,       NONE,      NONE);
825 SPARX5_P(5,  SG1,       NONE,      NONE);
826 SPARX5_P(6,  IRQ0_IN,   IRQ0_OUT,  SFP);
827 SPARX5_P(7,  IRQ1_IN,   IRQ1_OUT,  SFP);
828 SPARX5_P(8,  PTP0,      NONE,      SFP);
829 SPARX5_P(9,  PTP1,      SFP,       TWI_SCL_M);
830 SPARX5_P(10, UART,      NONE,      NONE);
831 SPARX5_P(11, UART,      NONE,      NONE);
832 SPARX5_P(12, SG1,       NONE,      NONE);
833 SPARX5_P(13, SG1,       NONE,      NONE);
834 SPARX5_P(14, TWI,       TWI_SCL_M, NONE);
835 SPARX5_P(15, TWI,       NONE,      NONE);
836 SPARX5_P(16, SI,        TWI_SCL_M, SFP);
837 SPARX5_P(17, SI,        TWI_SCL_M, SFP);
838 SPARX5_P(18, SI,        TWI_SCL_M, SFP);
839 SPARX5_P(19, PCI_WAKE,  TWI_SCL_M, SFP);
840 SPARX5_P(20, IRQ0_OUT,  TWI_SCL_M, SFP);
841 SPARX5_P(21, IRQ1_OUT,  TACHO,     SFP);
842 SPARX5_P(22, TACHO,     IRQ0_OUT,  TWI_SCL_M);
843 SPARX5_P(23, PWM,       UART3,     TWI_SCL_M);
844 SPARX5_P(24, PTP2,      UART3,     TWI_SCL_M);
845 SPARX5_P(25, PTP3,      SI,        TWI_SCL_M);
846 SPARX5_P(26, UART2,     SI,        TWI_SCL_M);
847 SPARX5_P(27, UART2,     SI,        TWI_SCL_M);
848 SPARX5_P(28, TWI2,      SI,        SFP);
849 SPARX5_P(29, TWI2,      SI,        SFP);
850 SPARX5_P(30, SG2,       SI,        PWM);
851 SPARX5_P(31, SG2,       SI,        TWI_SCL_M);
852 SPARX5_P(32, SG2,       SI,        TWI_SCL_M);
853 SPARX5_P(33, SG2,       SI,        SFP);
854 SPARX5_P(34, NONE,      TWI_SCL_M, EMMC);
855 SPARX5_P(35, SFP,       TWI_SCL_M, EMMC);
856 SPARX5_P(36, SFP,       TWI_SCL_M, EMMC);
857 SPARX5_P(37, SFP,       NONE,      EMMC);
858 SPARX5_P(38, NONE,      TWI_SCL_M, EMMC);
859 SPARX5_P(39, SI2,       TWI_SCL_M, EMMC);
860 SPARX5_P(40, SI2,       TWI_SCL_M, EMMC);
861 SPARX5_P(41, SI2,       TWI_SCL_M, EMMC);
862 SPARX5_P(42, SI2,       TWI_SCL_M, EMMC);
863 SPARX5_P(43, SI2,       TWI_SCL_M, EMMC);
864 SPARX5_P(44, SI,        SFP,       EMMC);
865 SPARX5_P(45, SI,        SFP,       EMMC);
866 SPARX5_P(46, NONE,      SFP,       EMMC);
867 SPARX5_P(47, NONE,      SFP,       EMMC);
868 SPARX5_P(48, TWI3,      SI,        SFP);
869 SPARX5_P(49, TWI3,      NONE,      SFP);
870 SPARX5_P(50, SFP,       NONE,      TWI_SCL_M);
871 SPARX5_P(51, SFP,       SI,        TWI_SCL_M);
872 SPARX5_P(52, SFP,       MIIM,      TWI_SCL_M);
873 SPARX5_P(53, SFP,       MIIM,      TWI_SCL_M);
874 SPARX5_P(54, SFP,       PTP2,      TWI_SCL_M);
875 SPARX5_P(55, SFP,       PTP3,      PCI_WAKE);
876 SPARX5_P(56, MIIM,      SFP,       TWI_SCL_M);
877 SPARX5_P(57, MIIM,      SFP,       TWI_SCL_M);
878 SPARX5_P(58, MIIM,      SFP,       TWI_SCL_M);
879 SPARX5_P(59, MIIM,      SFP,       NONE);
880 SPARX5_P(60, RECO_CLK,  NONE,      NONE);
881 SPARX5_P(61, RECO_CLK,  NONE,      NONE);
882 SPARX5_P(62, RECO_CLK,  PLL_STAT,  NONE);
883 SPARX5_P(63, RECO_CLK,  NONE,      NONE);
884 
885 #define SPARX5_PIN(n) {					\
886 	.number = n,						\
887 	.name = "GPIO_"#n,					\
888 	.drv_data = &sparx5_pin_##n				\
889 }
890 
891 static const struct pinctrl_pin_desc sparx5_pins[] = {
892 	SPARX5_PIN(0),
893 	SPARX5_PIN(1),
894 	SPARX5_PIN(2),
895 	SPARX5_PIN(3),
896 	SPARX5_PIN(4),
897 	SPARX5_PIN(5),
898 	SPARX5_PIN(6),
899 	SPARX5_PIN(7),
900 	SPARX5_PIN(8),
901 	SPARX5_PIN(9),
902 	SPARX5_PIN(10),
903 	SPARX5_PIN(11),
904 	SPARX5_PIN(12),
905 	SPARX5_PIN(13),
906 	SPARX5_PIN(14),
907 	SPARX5_PIN(15),
908 	SPARX5_PIN(16),
909 	SPARX5_PIN(17),
910 	SPARX5_PIN(18),
911 	SPARX5_PIN(19),
912 	SPARX5_PIN(20),
913 	SPARX5_PIN(21),
914 	SPARX5_PIN(22),
915 	SPARX5_PIN(23),
916 	SPARX5_PIN(24),
917 	SPARX5_PIN(25),
918 	SPARX5_PIN(26),
919 	SPARX5_PIN(27),
920 	SPARX5_PIN(28),
921 	SPARX5_PIN(29),
922 	SPARX5_PIN(30),
923 	SPARX5_PIN(31),
924 	SPARX5_PIN(32),
925 	SPARX5_PIN(33),
926 	SPARX5_PIN(34),
927 	SPARX5_PIN(35),
928 	SPARX5_PIN(36),
929 	SPARX5_PIN(37),
930 	SPARX5_PIN(38),
931 	SPARX5_PIN(39),
932 	SPARX5_PIN(40),
933 	SPARX5_PIN(41),
934 	SPARX5_PIN(42),
935 	SPARX5_PIN(43),
936 	SPARX5_PIN(44),
937 	SPARX5_PIN(45),
938 	SPARX5_PIN(46),
939 	SPARX5_PIN(47),
940 	SPARX5_PIN(48),
941 	SPARX5_PIN(49),
942 	SPARX5_PIN(50),
943 	SPARX5_PIN(51),
944 	SPARX5_PIN(52),
945 	SPARX5_PIN(53),
946 	SPARX5_PIN(54),
947 	SPARX5_PIN(55),
948 	SPARX5_PIN(56),
949 	SPARX5_PIN(57),
950 	SPARX5_PIN(58),
951 	SPARX5_PIN(59),
952 	SPARX5_PIN(60),
953 	SPARX5_PIN(61),
954 	SPARX5_PIN(62),
955 	SPARX5_PIN(63),
956 };
957 
958 #define LAN966X_P(p, f0, f1, f2, f3, f4, f5, f6, f7)           \
959 static struct ocelot_pin_caps lan966x_pin_##p = {              \
960 	.pin = p,                                              \
961 	.functions = {                                         \
962 		FUNC_##f0, FUNC_##f1, FUNC_##f2,               \
963 		FUNC_##f3                                      \
964 	},                                                     \
965 	.a_functions = {                                       \
966 		FUNC_##f4, FUNC_##f5, FUNC_##f6,               \
967 		FUNC_##f7                                      \
968 	},                                                     \
969 }
970 
971 /* Pinmuxing table taken from data sheet */
972 /*        Pin   FUNC0    FUNC1     FUNC2      FUNC3     FUNC4     FUNC5      FUNC6    FUNC7 */
973 LAN966X_P(0,    GPIO,    NONE,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
974 LAN966X_P(1,    GPIO,    NONE,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
975 LAN966X_P(2,    GPIO,    NONE,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
976 LAN966X_P(3,    GPIO,    NONE,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
977 LAN966X_P(4,    GPIO,    NONE,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
978 LAN966X_P(5,    GPIO,    NONE,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
979 LAN966X_P(6,    GPIO,    NONE,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
980 LAN966X_P(7,    GPIO,    NONE,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
981 LAN966X_P(8,    GPIO,   FC0_a,  USB_H_b,      NONE,  USB_S_b,     NONE,      NONE,        R);
982 LAN966X_P(9,    GPIO,   FC0_a,  USB_H_b,      NONE,     NONE,     NONE,      NONE,        R);
983 LAN966X_P(10,   GPIO,   FC0_a,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
984 LAN966X_P(11,   GPIO,   FC1_a,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
985 LAN966X_P(12,   GPIO,   FC1_a,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
986 LAN966X_P(13,   GPIO,   FC1_a,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
987 LAN966X_P(14,   GPIO,   FC2_a,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
988 LAN966X_P(15,   GPIO,   FC2_a,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
989 LAN966X_P(16,   GPIO,   FC2_a, IB_TRG_a,      NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c,        R);
990 LAN966X_P(17,   GPIO,   FC3_a, IB_TRG_a,      NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c,        R);
991 LAN966X_P(18,   GPIO,   FC3_a, IB_TRG_a,      NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c,        R);
992 LAN966X_P(19,   GPIO,   FC3_a, IB_TRG_a,      NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c,        R);
993 LAN966X_P(20,   GPIO,   FC4_a, IB_TRG_a,      NONE, OB_TRG_a, IRQ_IN_c,      NONE,        R);
994 LAN966X_P(21,   GPIO,   FC4_a,     NONE,      NONE, OB_TRG_a,     NONE,      NONE,        R);
995 LAN966X_P(22,   GPIO,   FC4_a,     NONE,      NONE, OB_TRG_a,     NONE,      NONE,        R);
996 LAN966X_P(23,   GPIO,    NONE,     NONE,      NONE, OB_TRG_a,     NONE,      NONE,        R);
997 LAN966X_P(24,   GPIO,   FC0_b, IB_TRG_a,   USB_H_c, OB_TRG_a, IRQ_IN_c,   TACHO_a,        R);
998 LAN966X_P(25,   GPIO,   FC0_b, IB_TRG_a,   USB_H_c, OB_TRG_a, IRQ_OUT_c,   SFP_SD,        R);
999 LAN966X_P(26,   GPIO,   FC0_b, IB_TRG_a,   USB_S_c, OB_TRG_a,   CAN0_a,    SFP_SD,        R);
1000 LAN966X_P(27,   GPIO,    NONE,     NONE,      NONE, OB_TRG_a,   CAN0_a,     PWM_a,        R);
1001 LAN966X_P(28,   GPIO,  MIIM_a,     NONE,      NONE, OB_TRG_a, IRQ_OUT_c,   SFP_SD,        R);
1002 LAN966X_P(29,   GPIO,  MIIM_a,     NONE,      NONE, OB_TRG_a,     NONE,      NONE,        R);
1003 LAN966X_P(30,   GPIO,   FC3_c,     CAN1,    CLKMON,   OB_TRG,   RECO_b,      NONE,        R);
1004 LAN966X_P(31,   GPIO,   FC3_c,     CAN1,    CLKMON,   OB_TRG,   RECO_b,      NONE,        R);
1005 LAN966X_P(32,   GPIO,   FC3_c,     NONE,   SGPIO_a,     NONE,  MIIM_Sa,      NONE,        R);
1006 LAN966X_P(33,   GPIO,   FC1_b,     NONE,   SGPIO_a,     NONE,  MIIM_Sa,    MIIM_b,        R);
1007 LAN966X_P(34,   GPIO,   FC1_b,     NONE,   SGPIO_a,     NONE,  MIIM_Sa,    MIIM_b,        R);
1008 LAN966X_P(35,   GPIO,   FC1_b,  PTPSYNC_0, SGPIO_a,   CAN0_b,     NONE,      NONE,        R);
1009 LAN966X_P(36,   GPIO,    NONE,  PTPSYNC_1,    NONE,   CAN0_b,     NONE,      NONE,        R);
1010 LAN966X_P(37,   GPIO, FC_SHRD0, PTPSYNC_2, TWI_SLC_GATE_AD, NONE, NONE,      NONE,        R);
1011 LAN966X_P(38,   GPIO,    NONE,  PTPSYNC_3,    NONE,     NONE,     NONE,      NONE,        R);
1012 LAN966X_P(39,   GPIO,    NONE,  PTPSYNC_4,    NONE,     NONE,     NONE,      NONE,        R);
1013 LAN966X_P(40,   GPIO, FC_SHRD1, PTPSYNC_5,    NONE,     NONE,     NONE,      NONE,        R);
1014 LAN966X_P(41,   GPIO, FC_SHRD2, PTPSYNC_6, TWI_SLC_GATE_AD, NONE, NONE,      NONE,        R);
1015 LAN966X_P(42,   GPIO, FC_SHRD3, PTPSYNC_7, TWI_SLC_GATE_AD, NONE, NONE,      NONE,        R);
1016 LAN966X_P(43,   GPIO,   FC2_b,   OB_TRG_b, IB_TRG_b, IRQ_OUT_a,  RECO_a,  IRQ_IN_a,       R);
1017 LAN966X_P(44,   GPIO,   FC2_b,   OB_TRG_b, IB_TRG_b, IRQ_OUT_a,  RECO_a,  IRQ_IN_a,       R);
1018 LAN966X_P(45,   GPIO,   FC2_b,   OB_TRG_b, IB_TRG_b, IRQ_OUT_a,    NONE,  IRQ_IN_a,       R);
1019 LAN966X_P(46,   GPIO,   FC1_c,   OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD4, IRQ_IN_a,       R);
1020 LAN966X_P(47,   GPIO,   FC1_c,   OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD5, IRQ_IN_a,       R);
1021 LAN966X_P(48,   GPIO,   FC1_c,   OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD6, IRQ_IN_a,       R);
1022 LAN966X_P(49,   GPIO, FC_SHRD7,  OB_TRG_b, IB_TRG_b, IRQ_OUT_a, TWI_SLC_GATE, IRQ_IN_a,   R);
1023 LAN966X_P(50,   GPIO, FC_SHRD16, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, TWI_SLC_GATE, NONE,       R);
1024 LAN966X_P(51,   GPIO,   FC3_b,   OB_TRG_b, IB_TRG_c, IRQ_OUT_b,   PWM_b,  IRQ_IN_b,       R);
1025 LAN966X_P(52,   GPIO,   FC3_b,   OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TACHO_b,  IRQ_IN_b,       R);
1026 LAN966X_P(53,   GPIO,   FC3_b,   OB_TRG_b, IB_TRG_c, IRQ_OUT_b,    NONE,  IRQ_IN_b,       R);
1027 LAN966X_P(54,   GPIO, FC_SHRD8,  OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TWI_SLC_GATE, IRQ_IN_b,   R);
1028 LAN966X_P(55,   GPIO, FC_SHRD9,  OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TWI_SLC_GATE, IRQ_IN_b,   R);
1029 LAN966X_P(56,   GPIO,   FC4_b,   OB_TRG_b, IB_TRG_c, IRQ_OUT_b, FC_SHRD10,    IRQ_IN_b,   R);
1030 LAN966X_P(57,   GPIO,   FC4_b, TWI_SLC_GATE, IB_TRG_c, IRQ_OUT_b, FC_SHRD11, IRQ_IN_b,    R);
1031 LAN966X_P(58,   GPIO,   FC4_b, TWI_SLC_GATE, IB_TRG_c, IRQ_OUT_b, FC_SHRD12, IRQ_IN_b,    R);
1032 LAN966X_P(59,   GPIO,   QSPI1,   MIIM_c,      NONE,     NONE,  MIIM_Sb,      NONE,        R);
1033 LAN966X_P(60,   GPIO,   QSPI1,   MIIM_c,      NONE,     NONE,  MIIM_Sb,      NONE,        R);
1034 LAN966X_P(61,   GPIO,   QSPI1,     NONE,   SGPIO_b,    FC0_c,  MIIM_Sb,      NONE,        R);
1035 LAN966X_P(62,   GPIO,   QSPI1, FC_SHRD13,  SGPIO_b,    FC0_c, TWI_SLC_GATE,  SFP_SD,      R);
1036 LAN966X_P(63,   GPIO,   QSPI1, FC_SHRD14,  SGPIO_b,    FC0_c, TWI_SLC_GATE,  SFP_SD,      R);
1037 LAN966X_P(64,   GPIO,   QSPI1,    FC4_c,   SGPIO_b, FC_SHRD15, TWI_SLC_GATE, SFP_SD,      R);
1038 LAN966X_P(65,   GPIO, USB_H_a,    FC4_c,      NONE, IRQ_OUT_c, TWI_SLC_GATE_AD, NONE,     R);
1039 LAN966X_P(66,   GPIO, USB_H_a,    FC4_c,   USB_S_a, IRQ_OUT_c, IRQ_IN_c,     NONE,        R);
1040 LAN966X_P(67,   GPIO, EMMC_SD,     NONE,     QSPI2,     NONE,     NONE,      NONE,        R);
1041 LAN966X_P(68,   GPIO, EMMC_SD,     NONE,     QSPI2,     NONE,     NONE,      NONE,        R);
1042 LAN966X_P(69,   GPIO, EMMC_SD,     NONE,     QSPI2,     NONE,     NONE,      NONE,        R);
1043 LAN966X_P(70,   GPIO, EMMC_SD,     NONE,     QSPI2,     NONE,     NONE,      NONE,        R);
1044 LAN966X_P(71,   GPIO, EMMC_SD,     NONE,     QSPI2,     NONE,     NONE,      NONE,        R);
1045 LAN966X_P(72,   GPIO, EMMC_SD,     NONE,     QSPI2,     NONE,     NONE,      NONE,        R);
1046 LAN966X_P(73,   GPIO,    EMMC,     NONE,      NONE,       SD,     NONE,      NONE,        R);
1047 LAN966X_P(74,   GPIO,    EMMC,     NONE, FC_SHRD17,       SD, TWI_SLC_GATE,  NONE,        R);
1048 LAN966X_P(75,   GPIO,    EMMC,     NONE, FC_SHRD18,       SD, TWI_SLC_GATE,  NONE,        R);
1049 LAN966X_P(76,   GPIO,    EMMC,     NONE, FC_SHRD19,       SD, TWI_SLC_GATE,  NONE,        R);
1050 LAN966X_P(77,   GPIO, EMMC_SD,     NONE, FC_SHRD20,     NONE, TWI_SLC_GATE,  NONE,        R);
1051 
1052 #define LAN966X_PIN(n) {                                       \
1053 	.number = n,                                           \
1054 	.name = "GPIO_"#n,                                     \
1055 	.drv_data = &lan966x_pin_##n                           \
1056 }
1057 
1058 static const struct pinctrl_pin_desc lan966x_pins[] = {
1059 	LAN966X_PIN(0),
1060 	LAN966X_PIN(1),
1061 	LAN966X_PIN(2),
1062 	LAN966X_PIN(3),
1063 	LAN966X_PIN(4),
1064 	LAN966X_PIN(5),
1065 	LAN966X_PIN(6),
1066 	LAN966X_PIN(7),
1067 	LAN966X_PIN(8),
1068 	LAN966X_PIN(9),
1069 	LAN966X_PIN(10),
1070 	LAN966X_PIN(11),
1071 	LAN966X_PIN(12),
1072 	LAN966X_PIN(13),
1073 	LAN966X_PIN(14),
1074 	LAN966X_PIN(15),
1075 	LAN966X_PIN(16),
1076 	LAN966X_PIN(17),
1077 	LAN966X_PIN(18),
1078 	LAN966X_PIN(19),
1079 	LAN966X_PIN(20),
1080 	LAN966X_PIN(21),
1081 	LAN966X_PIN(22),
1082 	LAN966X_PIN(23),
1083 	LAN966X_PIN(24),
1084 	LAN966X_PIN(25),
1085 	LAN966X_PIN(26),
1086 	LAN966X_PIN(27),
1087 	LAN966X_PIN(28),
1088 	LAN966X_PIN(29),
1089 	LAN966X_PIN(30),
1090 	LAN966X_PIN(31),
1091 	LAN966X_PIN(32),
1092 	LAN966X_PIN(33),
1093 	LAN966X_PIN(34),
1094 	LAN966X_PIN(35),
1095 	LAN966X_PIN(36),
1096 	LAN966X_PIN(37),
1097 	LAN966X_PIN(38),
1098 	LAN966X_PIN(39),
1099 	LAN966X_PIN(40),
1100 	LAN966X_PIN(41),
1101 	LAN966X_PIN(42),
1102 	LAN966X_PIN(43),
1103 	LAN966X_PIN(44),
1104 	LAN966X_PIN(45),
1105 	LAN966X_PIN(46),
1106 	LAN966X_PIN(47),
1107 	LAN966X_PIN(48),
1108 	LAN966X_PIN(49),
1109 	LAN966X_PIN(50),
1110 	LAN966X_PIN(51),
1111 	LAN966X_PIN(52),
1112 	LAN966X_PIN(53),
1113 	LAN966X_PIN(54),
1114 	LAN966X_PIN(55),
1115 	LAN966X_PIN(56),
1116 	LAN966X_PIN(57),
1117 	LAN966X_PIN(58),
1118 	LAN966X_PIN(59),
1119 	LAN966X_PIN(60),
1120 	LAN966X_PIN(61),
1121 	LAN966X_PIN(62),
1122 	LAN966X_PIN(63),
1123 	LAN966X_PIN(64),
1124 	LAN966X_PIN(65),
1125 	LAN966X_PIN(66),
1126 	LAN966X_PIN(67),
1127 	LAN966X_PIN(68),
1128 	LAN966X_PIN(69),
1129 	LAN966X_PIN(70),
1130 	LAN966X_PIN(71),
1131 	LAN966X_PIN(72),
1132 	LAN966X_PIN(73),
1133 	LAN966X_PIN(74),
1134 	LAN966X_PIN(75),
1135 	LAN966X_PIN(76),
1136 	LAN966X_PIN(77),
1137 };
1138 
1139 static int ocelot_get_functions_count(struct pinctrl_dev *pctldev)
1140 {
1141 	return ARRAY_SIZE(ocelot_function_names);
1142 }
1143 
1144 static const char *ocelot_get_function_name(struct pinctrl_dev *pctldev,
1145 					    unsigned int function)
1146 {
1147 	return ocelot_function_names[function];
1148 }
1149 
1150 static int ocelot_get_function_groups(struct pinctrl_dev *pctldev,
1151 				      unsigned int function,
1152 				      const char *const **groups,
1153 				      unsigned *const num_groups)
1154 {
1155 	struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1156 
1157 	*groups  = info->func[function].groups;
1158 	*num_groups = info->func[function].ngroups;
1159 
1160 	return 0;
1161 }
1162 
1163 static int ocelot_pin_function_idx(struct ocelot_pinctrl *info,
1164 				   unsigned int pin, unsigned int function)
1165 {
1166 	struct ocelot_pin_caps *p = info->desc->pins[pin].drv_data;
1167 	int i;
1168 
1169 	for (i = 0; i < OCELOT_FUNC_PER_PIN; i++) {
1170 		if (function == p->functions[i])
1171 			return i;
1172 
1173 		if (function == p->a_functions[i])
1174 			return i + OCELOT_FUNC_PER_PIN;
1175 	}
1176 
1177 	return -1;
1178 }
1179 
1180 #define REG_ALT(msb, info, p) (OCELOT_GPIO_ALT0 * (info)->stride + 4 * ((msb) + ((info)->stride * ((p) / 32))))
1181 
1182 static int ocelot_pinmux_set_mux(struct pinctrl_dev *pctldev,
1183 				 unsigned int selector, unsigned int group)
1184 {
1185 	struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1186 	struct ocelot_pin_caps *pin = info->desc->pins[group].drv_data;
1187 	unsigned int p = pin->pin % 32;
1188 	int f;
1189 
1190 	f = ocelot_pin_function_idx(info, group, selector);
1191 	if (f < 0)
1192 		return -EINVAL;
1193 
1194 	/*
1195 	 * f is encoded on two bits.
1196 	 * bit 0 of f goes in BIT(pin) of ALT[0], bit 1 of f goes in BIT(pin) of
1197 	 * ALT[1]
1198 	 * This is racy because both registers can't be updated at the same time
1199 	 * but it doesn't matter much for now.
1200 	 * Note: ALT0/ALT1 are organized specially for 64 gpio targets
1201 	 */
1202 	regmap_update_bits(info->map, REG_ALT(0, info, pin->pin),
1203 			   BIT(p), f << p);
1204 	regmap_update_bits(info->map, REG_ALT(1, info, pin->pin),
1205 			   BIT(p), f << (p - 1));
1206 
1207 	return 0;
1208 }
1209 
1210 static int lan966x_pinmux_set_mux(struct pinctrl_dev *pctldev,
1211 				  unsigned int selector, unsigned int group)
1212 {
1213 	struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1214 	struct ocelot_pin_caps *pin = info->desc->pins[group].drv_data;
1215 	unsigned int p = pin->pin % 32;
1216 	int f;
1217 
1218 	f = ocelot_pin_function_idx(info, group, selector);
1219 	if (f < 0)
1220 		return -EINVAL;
1221 
1222 	/*
1223 	 * f is encoded on three bits.
1224 	 * bit 0 of f goes in BIT(pin) of ALT[0], bit 1 of f goes in BIT(pin) of
1225 	 * ALT[1], bit 2 of f goes in BIT(pin) of ALT[2]
1226 	 * This is racy because three registers can't be updated at the same time
1227 	 * but it doesn't matter much for now.
1228 	 * Note: ALT0/ALT1/ALT2 are organized specially for 78 gpio targets
1229 	 */
1230 	regmap_update_bits(info->map, REG_ALT(0, info, pin->pin),
1231 			   BIT(p), f << p);
1232 	regmap_update_bits(info->map, REG_ALT(1, info, pin->pin),
1233 			   BIT(p), (f >> 1) << p);
1234 	regmap_update_bits(info->map, REG_ALT(2, info, pin->pin),
1235 			   BIT(p), (f >> 2) << p);
1236 
1237 	return 0;
1238 }
1239 
1240 #define REG(r, info, p) ((r) * (info)->stride + (4 * ((p) / 32)))
1241 
1242 static int ocelot_gpio_set_direction(struct pinctrl_dev *pctldev,
1243 				     struct pinctrl_gpio_range *range,
1244 				     unsigned int pin, bool input)
1245 {
1246 	struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1247 	unsigned int p = pin % 32;
1248 
1249 	regmap_update_bits(info->map, REG(OCELOT_GPIO_OE, info, pin), BIT(p),
1250 			   input ? 0 : BIT(p));
1251 
1252 	return 0;
1253 }
1254 
1255 static int ocelot_gpio_request_enable(struct pinctrl_dev *pctldev,
1256 				      struct pinctrl_gpio_range *range,
1257 				      unsigned int offset)
1258 {
1259 	struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1260 	unsigned int p = offset % 32;
1261 
1262 	regmap_update_bits(info->map, REG_ALT(0, info, offset),
1263 			   BIT(p), 0);
1264 	regmap_update_bits(info->map, REG_ALT(1, info, offset),
1265 			   BIT(p), 0);
1266 
1267 	return 0;
1268 }
1269 
1270 static int lan966x_gpio_request_enable(struct pinctrl_dev *pctldev,
1271 				       struct pinctrl_gpio_range *range,
1272 				       unsigned int offset)
1273 {
1274 	struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1275 	unsigned int p = offset % 32;
1276 
1277 	regmap_update_bits(info->map, REG_ALT(0, info, offset),
1278 			   BIT(p), 0);
1279 	regmap_update_bits(info->map, REG_ALT(1, info, offset),
1280 			   BIT(p), 0);
1281 	regmap_update_bits(info->map, REG_ALT(2, info, offset),
1282 			   BIT(p), 0);
1283 
1284 	return 0;
1285 }
1286 
1287 static const struct pinmux_ops ocelot_pmx_ops = {
1288 	.get_functions_count = ocelot_get_functions_count,
1289 	.get_function_name = ocelot_get_function_name,
1290 	.get_function_groups = ocelot_get_function_groups,
1291 	.set_mux = ocelot_pinmux_set_mux,
1292 	.gpio_set_direction = ocelot_gpio_set_direction,
1293 	.gpio_request_enable = ocelot_gpio_request_enable,
1294 };
1295 
1296 static const struct pinmux_ops lan966x_pmx_ops = {
1297 	.get_functions_count = ocelot_get_functions_count,
1298 	.get_function_name = ocelot_get_function_name,
1299 	.get_function_groups = ocelot_get_function_groups,
1300 	.set_mux = lan966x_pinmux_set_mux,
1301 	.gpio_set_direction = ocelot_gpio_set_direction,
1302 	.gpio_request_enable = lan966x_gpio_request_enable,
1303 };
1304 
1305 static int ocelot_pctl_get_groups_count(struct pinctrl_dev *pctldev)
1306 {
1307 	struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1308 
1309 	return info->desc->npins;
1310 }
1311 
1312 static const char *ocelot_pctl_get_group_name(struct pinctrl_dev *pctldev,
1313 					      unsigned int group)
1314 {
1315 	struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1316 
1317 	return info->desc->pins[group].name;
1318 }
1319 
1320 static int ocelot_pctl_get_group_pins(struct pinctrl_dev *pctldev,
1321 				      unsigned int group,
1322 				      const unsigned int **pins,
1323 				      unsigned int *num_pins)
1324 {
1325 	struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1326 
1327 	*pins = &info->desc->pins[group].number;
1328 	*num_pins = 1;
1329 
1330 	return 0;
1331 }
1332 
1333 static int ocelot_hw_get_value(struct ocelot_pinctrl *info,
1334 			       unsigned int pin,
1335 			       unsigned int reg,
1336 			       int *val)
1337 {
1338 	int ret = -EOPNOTSUPP;
1339 
1340 	if (info->pincfg) {
1341 		const struct ocelot_pincfg_data *opd = info->pincfg_data;
1342 		u32 regcfg;
1343 
1344 		ret = regmap_read(info->pincfg,
1345 				  pin * regmap_get_reg_stride(info->pincfg),
1346 				  &regcfg);
1347 		if (ret)
1348 			return ret;
1349 
1350 		ret = 0;
1351 		switch (reg) {
1352 		case PINCONF_BIAS:
1353 			*val = regcfg & (opd->pd_bit | opd->pu_bit);
1354 			break;
1355 
1356 		case PINCONF_SCHMITT:
1357 			*val = regcfg & opd->schmitt_bit;
1358 			break;
1359 
1360 		case PINCONF_DRIVE_STRENGTH:
1361 			*val = regcfg & opd->drive_bits;
1362 			break;
1363 
1364 		default:
1365 			ret = -EOPNOTSUPP;
1366 			break;
1367 		}
1368 	}
1369 	return ret;
1370 }
1371 
1372 static int ocelot_pincfg_clrsetbits(struct ocelot_pinctrl *info, u32 regaddr,
1373 				    u32 clrbits, u32 setbits)
1374 {
1375 	u32 val;
1376 	int ret;
1377 
1378 	ret = regmap_read(info->pincfg,
1379 			  regaddr * regmap_get_reg_stride(info->pincfg),
1380 			  &val);
1381 	if (ret)
1382 		return ret;
1383 
1384 	val &= ~clrbits;
1385 	val |= setbits;
1386 
1387 	ret = regmap_write(info->pincfg,
1388 			   regaddr * regmap_get_reg_stride(info->pincfg),
1389 			   val);
1390 
1391 	return ret;
1392 }
1393 
1394 static int ocelot_hw_set_value(struct ocelot_pinctrl *info,
1395 			       unsigned int pin,
1396 			       unsigned int reg,
1397 			       int val)
1398 {
1399 	int ret = -EOPNOTSUPP;
1400 
1401 	if (info->pincfg) {
1402 		const struct ocelot_pincfg_data *opd = info->pincfg_data;
1403 
1404 		ret = 0;
1405 		switch (reg) {
1406 		case PINCONF_BIAS:
1407 			ret = ocelot_pincfg_clrsetbits(info, pin,
1408 						       opd->pd_bit | opd->pu_bit,
1409 						       val);
1410 			break;
1411 
1412 		case PINCONF_SCHMITT:
1413 			ret = ocelot_pincfg_clrsetbits(info, pin,
1414 						       opd->schmitt_bit,
1415 						       val);
1416 			break;
1417 
1418 		case PINCONF_DRIVE_STRENGTH:
1419 			if (val <= 3)
1420 				ret = ocelot_pincfg_clrsetbits(info, pin,
1421 							       opd->drive_bits,
1422 							       val);
1423 			else
1424 				ret = -EINVAL;
1425 			break;
1426 
1427 		default:
1428 			ret = -EOPNOTSUPP;
1429 			break;
1430 		}
1431 	}
1432 	return ret;
1433 }
1434 
1435 static int ocelot_pinconf_get(struct pinctrl_dev *pctldev,
1436 			      unsigned int pin, unsigned long *config)
1437 {
1438 	struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1439 	u32 param = pinconf_to_config_param(*config);
1440 	int val, err;
1441 
1442 	switch (param) {
1443 	case PIN_CONFIG_BIAS_DISABLE:
1444 	case PIN_CONFIG_BIAS_PULL_UP:
1445 	case PIN_CONFIG_BIAS_PULL_DOWN:
1446 		err = ocelot_hw_get_value(info, pin, PINCONF_BIAS, &val);
1447 		if (err)
1448 			return err;
1449 		if (param == PIN_CONFIG_BIAS_DISABLE)
1450 			val = (val == 0);
1451 		else if (param == PIN_CONFIG_BIAS_PULL_DOWN)
1452 			val = !!(val & info->pincfg_data->pd_bit);
1453 		else    /* PIN_CONFIG_BIAS_PULL_UP */
1454 			val = !!(val & info->pincfg_data->pu_bit);
1455 		break;
1456 
1457 	case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
1458 		if (!info->pincfg_data->schmitt_bit)
1459 			return -EOPNOTSUPP;
1460 
1461 		err = ocelot_hw_get_value(info, pin, PINCONF_SCHMITT, &val);
1462 		if (err)
1463 			return err;
1464 
1465 		val = !!(val & info->pincfg_data->schmitt_bit);
1466 		break;
1467 
1468 	case PIN_CONFIG_DRIVE_STRENGTH:
1469 		err = ocelot_hw_get_value(info, pin, PINCONF_DRIVE_STRENGTH,
1470 					  &val);
1471 		if (err)
1472 			return err;
1473 		break;
1474 
1475 	case PIN_CONFIG_OUTPUT:
1476 		err = regmap_read(info->map, REG(OCELOT_GPIO_OUT, info, pin),
1477 				  &val);
1478 		if (err)
1479 			return err;
1480 		val = !!(val & BIT(pin % 32));
1481 		break;
1482 
1483 	case PIN_CONFIG_INPUT_ENABLE:
1484 	case PIN_CONFIG_OUTPUT_ENABLE:
1485 		err = regmap_read(info->map, REG(OCELOT_GPIO_OE, info, pin),
1486 				  &val);
1487 		if (err)
1488 			return err;
1489 		val = val & BIT(pin % 32);
1490 		if (param == PIN_CONFIG_OUTPUT_ENABLE)
1491 			val = !!val;
1492 		else
1493 			val = !val;
1494 		break;
1495 
1496 	default:
1497 		return -EOPNOTSUPP;
1498 	}
1499 
1500 	*config = pinconf_to_config_packed(param, val);
1501 
1502 	return 0;
1503 }
1504 
1505 static int ocelot_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
1506 			      unsigned long *configs, unsigned int num_configs)
1507 {
1508 	struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1509 	const struct ocelot_pincfg_data *opd = info->pincfg_data;
1510 	u32 param, arg, p;
1511 	int cfg, err = 0;
1512 
1513 	for (cfg = 0; cfg < num_configs; cfg++) {
1514 		param = pinconf_to_config_param(configs[cfg]);
1515 		arg = pinconf_to_config_argument(configs[cfg]);
1516 
1517 		switch (param) {
1518 		case PIN_CONFIG_BIAS_DISABLE:
1519 		case PIN_CONFIG_BIAS_PULL_UP:
1520 		case PIN_CONFIG_BIAS_PULL_DOWN:
1521 			arg = (param == PIN_CONFIG_BIAS_DISABLE) ? 0 :
1522 			      (param == PIN_CONFIG_BIAS_PULL_UP) ?
1523 				opd->pu_bit : opd->pd_bit;
1524 
1525 			err = ocelot_hw_set_value(info, pin, PINCONF_BIAS, arg);
1526 			if (err)
1527 				goto err;
1528 
1529 			break;
1530 
1531 		case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
1532 			if (!opd->schmitt_bit)
1533 				return -EOPNOTSUPP;
1534 
1535 			arg = arg ? opd->schmitt_bit : 0;
1536 			err = ocelot_hw_set_value(info, pin, PINCONF_SCHMITT,
1537 						  arg);
1538 			if (err)
1539 				goto err;
1540 
1541 			break;
1542 
1543 		case PIN_CONFIG_DRIVE_STRENGTH:
1544 			err = ocelot_hw_set_value(info, pin,
1545 						  PINCONF_DRIVE_STRENGTH,
1546 						  arg);
1547 			if (err)
1548 				goto err;
1549 
1550 			break;
1551 
1552 		case PIN_CONFIG_OUTPUT_ENABLE:
1553 		case PIN_CONFIG_INPUT_ENABLE:
1554 		case PIN_CONFIG_OUTPUT:
1555 			p = pin % 32;
1556 			if (arg)
1557 				regmap_write(info->map,
1558 					     REG(OCELOT_GPIO_OUT_SET, info,
1559 						 pin),
1560 					     BIT(p));
1561 			else
1562 				regmap_write(info->map,
1563 					     REG(OCELOT_GPIO_OUT_CLR, info,
1564 						 pin),
1565 					     BIT(p));
1566 			regmap_update_bits(info->map,
1567 					   REG(OCELOT_GPIO_OE, info, pin),
1568 					   BIT(p),
1569 					   param == PIN_CONFIG_INPUT_ENABLE ?
1570 					   0 : BIT(p));
1571 			break;
1572 
1573 		default:
1574 			err = -EOPNOTSUPP;
1575 		}
1576 	}
1577 err:
1578 	return err;
1579 }
1580 
1581 static const struct pinconf_ops ocelot_confops = {
1582 	.is_generic = true,
1583 	.pin_config_get = ocelot_pinconf_get,
1584 	.pin_config_set = ocelot_pinconf_set,
1585 	.pin_config_config_dbg_show = pinconf_generic_dump_config,
1586 };
1587 
1588 static const struct pinctrl_ops ocelot_pctl_ops = {
1589 	.get_groups_count = ocelot_pctl_get_groups_count,
1590 	.get_group_name = ocelot_pctl_get_group_name,
1591 	.get_group_pins = ocelot_pctl_get_group_pins,
1592 	.dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
1593 	.dt_free_map = pinconf_generic_dt_free_map,
1594 };
1595 
1596 static struct ocelot_match_data luton_desc = {
1597 	.desc = {
1598 		.name = "luton-pinctrl",
1599 		.pins = luton_pins,
1600 		.npins = ARRAY_SIZE(luton_pins),
1601 		.pctlops = &ocelot_pctl_ops,
1602 		.pmxops = &ocelot_pmx_ops,
1603 		.owner = THIS_MODULE,
1604 	},
1605 };
1606 
1607 static struct ocelot_match_data serval_desc = {
1608 	.desc = {
1609 		.name = "serval-pinctrl",
1610 		.pins = serval_pins,
1611 		.npins = ARRAY_SIZE(serval_pins),
1612 		.pctlops = &ocelot_pctl_ops,
1613 		.pmxops = &ocelot_pmx_ops,
1614 		.owner = THIS_MODULE,
1615 	},
1616 };
1617 
1618 static struct ocelot_match_data ocelot_desc = {
1619 	.desc = {
1620 		.name = "ocelot-pinctrl",
1621 		.pins = ocelot_pins,
1622 		.npins = ARRAY_SIZE(ocelot_pins),
1623 		.pctlops = &ocelot_pctl_ops,
1624 		.pmxops = &ocelot_pmx_ops,
1625 		.owner = THIS_MODULE,
1626 	},
1627 };
1628 
1629 static struct ocelot_match_data jaguar2_desc = {
1630 	.desc = {
1631 		.name = "jaguar2-pinctrl",
1632 		.pins = jaguar2_pins,
1633 		.npins = ARRAY_SIZE(jaguar2_pins),
1634 		.pctlops = &ocelot_pctl_ops,
1635 		.pmxops = &ocelot_pmx_ops,
1636 		.owner = THIS_MODULE,
1637 	},
1638 };
1639 
1640 static struct ocelot_match_data servalt_desc = {
1641 	.desc = {
1642 		.name = "servalt-pinctrl",
1643 		.pins = servalt_pins,
1644 		.npins = ARRAY_SIZE(servalt_pins),
1645 		.pctlops = &ocelot_pctl_ops,
1646 		.pmxops = &ocelot_pmx_ops,
1647 		.owner = THIS_MODULE,
1648 	},
1649 };
1650 
1651 static struct ocelot_match_data sparx5_desc = {
1652 	.desc = {
1653 		.name = "sparx5-pinctrl",
1654 		.pins = sparx5_pins,
1655 		.npins = ARRAY_SIZE(sparx5_pins),
1656 		.pctlops = &ocelot_pctl_ops,
1657 		.pmxops = &ocelot_pmx_ops,
1658 		.confops = &ocelot_confops,
1659 		.owner = THIS_MODULE,
1660 	},
1661 	.pincfg_data = {
1662 		.pd_bit = BIT(4),
1663 		.pu_bit = BIT(3),
1664 		.drive_bits = GENMASK(1, 0),
1665 		.schmitt_bit = BIT(2),
1666 	},
1667 };
1668 
1669 static struct ocelot_match_data lan966x_desc = {
1670 	.desc = {
1671 		.name = "lan966x-pinctrl",
1672 		.pins = lan966x_pins,
1673 		.npins = ARRAY_SIZE(lan966x_pins),
1674 		.pctlops = &ocelot_pctl_ops,
1675 		.pmxops = &lan966x_pmx_ops,
1676 		.confops = &ocelot_confops,
1677 		.owner = THIS_MODULE,
1678 	},
1679 	.pincfg_data = {
1680 		.pd_bit = BIT(3),
1681 		.pu_bit = BIT(2),
1682 		.drive_bits = GENMASK(1, 0),
1683 	},
1684 };
1685 
1686 static int ocelot_create_group_func_map(struct device *dev,
1687 					struct ocelot_pinctrl *info)
1688 {
1689 	int f, npins, i;
1690 	u8 *pins = kcalloc(info->desc->npins, sizeof(u8), GFP_KERNEL);
1691 
1692 	if (!pins)
1693 		return -ENOMEM;
1694 
1695 	for (f = 0; f < FUNC_MAX; f++) {
1696 		for (npins = 0, i = 0; i < info->desc->npins; i++) {
1697 			if (ocelot_pin_function_idx(info, i, f) >= 0)
1698 				pins[npins++] = i;
1699 		}
1700 
1701 		if (!npins)
1702 			continue;
1703 
1704 		info->func[f].ngroups = npins;
1705 		info->func[f].groups = devm_kcalloc(dev, npins, sizeof(char *),
1706 						    GFP_KERNEL);
1707 		if (!info->func[f].groups) {
1708 			kfree(pins);
1709 			return -ENOMEM;
1710 		}
1711 
1712 		for (i = 0; i < npins; i++)
1713 			info->func[f].groups[i] =
1714 				info->desc->pins[pins[i]].name;
1715 	}
1716 
1717 	kfree(pins);
1718 
1719 	return 0;
1720 }
1721 
1722 static int ocelot_pinctrl_register(struct platform_device *pdev,
1723 				   struct ocelot_pinctrl *info)
1724 {
1725 	int ret;
1726 
1727 	ret = ocelot_create_group_func_map(&pdev->dev, info);
1728 	if (ret) {
1729 		dev_err(&pdev->dev, "Unable to create group func map.\n");
1730 		return ret;
1731 	}
1732 
1733 	info->pctl = devm_pinctrl_register(&pdev->dev, info->desc, info);
1734 	if (IS_ERR(info->pctl)) {
1735 		dev_err(&pdev->dev, "Failed to register pinctrl\n");
1736 		return PTR_ERR(info->pctl);
1737 	}
1738 
1739 	return 0;
1740 }
1741 
1742 static int ocelot_gpio_get(struct gpio_chip *chip, unsigned int offset)
1743 {
1744 	struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1745 	unsigned int val;
1746 
1747 	regmap_read(info->map, REG(OCELOT_GPIO_IN, info, offset), &val);
1748 
1749 	return !!(val & BIT(offset % 32));
1750 }
1751 
1752 static void ocelot_gpio_set(struct gpio_chip *chip, unsigned int offset,
1753 			    int value)
1754 {
1755 	struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1756 
1757 	if (value)
1758 		regmap_write(info->map, REG(OCELOT_GPIO_OUT_SET, info, offset),
1759 			     BIT(offset % 32));
1760 	else
1761 		regmap_write(info->map, REG(OCELOT_GPIO_OUT_CLR, info, offset),
1762 			     BIT(offset % 32));
1763 }
1764 
1765 static int ocelot_gpio_get_direction(struct gpio_chip *chip,
1766 				     unsigned int offset)
1767 {
1768 	struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1769 	unsigned int val;
1770 
1771 	regmap_read(info->map, REG(OCELOT_GPIO_OE, info, offset), &val);
1772 
1773 	if (val & BIT(offset % 32))
1774 		return GPIO_LINE_DIRECTION_OUT;
1775 
1776 	return GPIO_LINE_DIRECTION_IN;
1777 }
1778 
1779 static int ocelot_gpio_direction_input(struct gpio_chip *chip,
1780 				       unsigned int offset)
1781 {
1782 	return pinctrl_gpio_direction_input(chip->base + offset);
1783 }
1784 
1785 static int ocelot_gpio_direction_output(struct gpio_chip *chip,
1786 					unsigned int offset, int value)
1787 {
1788 	struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1789 	unsigned int pin = BIT(offset % 32);
1790 
1791 	if (value)
1792 		regmap_write(info->map, REG(OCELOT_GPIO_OUT_SET, info, offset),
1793 			     pin);
1794 	else
1795 		regmap_write(info->map, REG(OCELOT_GPIO_OUT_CLR, info, offset),
1796 			     pin);
1797 
1798 	return pinctrl_gpio_direction_output(chip->base + offset);
1799 }
1800 
1801 static const struct gpio_chip ocelot_gpiolib_chip = {
1802 	.request = gpiochip_generic_request,
1803 	.free = gpiochip_generic_free,
1804 	.set = ocelot_gpio_set,
1805 	.get = ocelot_gpio_get,
1806 	.get_direction = ocelot_gpio_get_direction,
1807 	.direction_input = ocelot_gpio_direction_input,
1808 	.direction_output = ocelot_gpio_direction_output,
1809 	.owner = THIS_MODULE,
1810 };
1811 
1812 static void ocelot_irq_mask(struct irq_data *data)
1813 {
1814 	struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
1815 	struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1816 	unsigned int gpio = irqd_to_hwirq(data);
1817 
1818 	regmap_update_bits(info->map, REG(OCELOT_GPIO_INTR_ENA, info, gpio),
1819 			   BIT(gpio % 32), 0);
1820 	gpiochip_disable_irq(chip, gpio);
1821 }
1822 
1823 static void ocelot_irq_work(struct work_struct *work)
1824 {
1825 	struct ocelot_irq_work *w = container_of(work, struct ocelot_irq_work, irq_work);
1826 	struct irq_chip *parent_chip = irq_desc_get_chip(w->irq_desc);
1827 	struct gpio_chip *chip = irq_desc_get_chip_data(w->irq_desc);
1828 	struct irq_data *data = irq_desc_get_irq_data(w->irq_desc);
1829 	unsigned int gpio = irqd_to_hwirq(data);
1830 
1831 	local_irq_disable();
1832 	chained_irq_enter(parent_chip, w->irq_desc);
1833 	generic_handle_domain_irq(chip->irq.domain, gpio);
1834 	chained_irq_exit(parent_chip, w->irq_desc);
1835 	local_irq_enable();
1836 
1837 	kfree(w);
1838 }
1839 
1840 static void ocelot_irq_unmask_level(struct irq_data *data)
1841 {
1842 	struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
1843 	struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1844 	struct irq_desc *desc = irq_data_to_desc(data);
1845 	unsigned int gpio = irqd_to_hwirq(data);
1846 	unsigned int bit = BIT(gpio % 32);
1847 	bool ack = false, active = false;
1848 	u8 trigger_level;
1849 	int val;
1850 
1851 	trigger_level = irqd_get_trigger_type(data);
1852 
1853 	/* Check if the interrupt line is still active. */
1854 	regmap_read(info->map, REG(OCELOT_GPIO_IN, info, gpio), &val);
1855 	if ((!(val & bit) && trigger_level == IRQ_TYPE_LEVEL_LOW) ||
1856 	      (val & bit && trigger_level == IRQ_TYPE_LEVEL_HIGH))
1857 		active = true;
1858 
1859 	/*
1860 	 * Check if the interrupt controller has seen any changes in the
1861 	 * interrupt line.
1862 	 */
1863 	regmap_read(info->map, REG(OCELOT_GPIO_INTR, info, gpio), &val);
1864 	if (val & bit)
1865 		ack = true;
1866 
1867 	/* Try to clear any rising edges */
1868 	if (!active && ack)
1869 		regmap_write_bits(info->map, REG(OCELOT_GPIO_INTR, info, gpio),
1870 				  bit, bit);
1871 
1872 	/* Enable the interrupt now */
1873 	gpiochip_enable_irq(chip, gpio);
1874 	regmap_update_bits(info->map, REG(OCELOT_GPIO_INTR_ENA, info, gpio),
1875 			   bit, bit);
1876 
1877 	/*
1878 	 * In case the interrupt line is still active then it means that
1879 	 * there happen another interrupt while the line was active.
1880 	 * So we missed that one, so we need to kick the interrupt again
1881 	 * handler.
1882 	 */
1883 	regmap_read(info->map, REG(OCELOT_GPIO_IN, info, gpio), &val);
1884 	if ((!(val & bit) && trigger_level == IRQ_TYPE_LEVEL_LOW) ||
1885 	      (val & bit && trigger_level == IRQ_TYPE_LEVEL_HIGH))
1886 		active = true;
1887 
1888 	if (active) {
1889 		struct ocelot_irq_work *work;
1890 
1891 		work = kmalloc(sizeof(*work), GFP_ATOMIC);
1892 		if (!work)
1893 			return;
1894 
1895 		work->irq_desc = desc;
1896 		INIT_WORK(&work->irq_work, ocelot_irq_work);
1897 		queue_work(info->wq, &work->irq_work);
1898 	}
1899 }
1900 
1901 static void ocelot_irq_unmask(struct irq_data *data)
1902 {
1903 	struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
1904 	struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1905 	unsigned int gpio = irqd_to_hwirq(data);
1906 
1907 	gpiochip_enable_irq(chip, gpio);
1908 	regmap_update_bits(info->map, REG(OCELOT_GPIO_INTR_ENA, info, gpio),
1909 			   BIT(gpio % 32), BIT(gpio % 32));
1910 }
1911 
1912 static void ocelot_irq_ack(struct irq_data *data)
1913 {
1914 	struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
1915 	struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1916 	unsigned int gpio = irqd_to_hwirq(data);
1917 
1918 	regmap_write_bits(info->map, REG(OCELOT_GPIO_INTR, info, gpio),
1919 			  BIT(gpio % 32), BIT(gpio % 32));
1920 }
1921 
1922 static int ocelot_irq_set_type(struct irq_data *data, unsigned int type);
1923 
1924 static struct irq_chip ocelot_level_irqchip = {
1925 	.name		= "gpio",
1926 	.irq_mask	= ocelot_irq_mask,
1927 	.irq_ack	= ocelot_irq_ack,
1928 	.irq_unmask	= ocelot_irq_unmask_level,
1929 	.flags		= IRQCHIP_IMMUTABLE,
1930 	.irq_set_type	= ocelot_irq_set_type,
1931 	GPIOCHIP_IRQ_RESOURCE_HELPERS
1932 };
1933 
1934 static struct irq_chip ocelot_irqchip = {
1935 	.name		= "gpio",
1936 	.irq_mask	= ocelot_irq_mask,
1937 	.irq_ack	= ocelot_irq_ack,
1938 	.irq_unmask	= ocelot_irq_unmask,
1939 	.irq_set_type	= ocelot_irq_set_type,
1940 	.flags          = IRQCHIP_IMMUTABLE,
1941 	GPIOCHIP_IRQ_RESOURCE_HELPERS
1942 };
1943 
1944 static int ocelot_irq_set_type(struct irq_data *data, unsigned int type)
1945 {
1946 	if (type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW))
1947 		irq_set_chip_handler_name_locked(data, &ocelot_level_irqchip,
1948 						 handle_level_irq, NULL);
1949 	if (type & IRQ_TYPE_EDGE_BOTH)
1950 		irq_set_chip_handler_name_locked(data, &ocelot_irqchip,
1951 						 handle_edge_irq, NULL);
1952 
1953 	return 0;
1954 }
1955 
1956 static void ocelot_irq_handler(struct irq_desc *desc)
1957 {
1958 	struct irq_chip *parent_chip = irq_desc_get_chip(desc);
1959 	struct gpio_chip *chip = irq_desc_get_handler_data(desc);
1960 	struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1961 	unsigned int id_reg = OCELOT_GPIO_INTR_IDENT * info->stride;
1962 	unsigned int reg = 0, irq, i;
1963 	unsigned long irqs;
1964 
1965 	for (i = 0; i < info->stride; i++) {
1966 		regmap_read(info->map, id_reg + 4 * i, &reg);
1967 		if (!reg)
1968 			continue;
1969 
1970 		chained_irq_enter(parent_chip, desc);
1971 
1972 		irqs = reg;
1973 
1974 		for_each_set_bit(irq, &irqs,
1975 				 min(32U, info->desc->npins - 32 * i))
1976 			generic_handle_domain_irq(chip->irq.domain, irq + 32 * i);
1977 
1978 		chained_irq_exit(parent_chip, desc);
1979 	}
1980 }
1981 
1982 static int ocelot_gpiochip_register(struct platform_device *pdev,
1983 				    struct ocelot_pinctrl *info)
1984 {
1985 	struct gpio_chip *gc;
1986 	struct gpio_irq_chip *girq;
1987 	int irq;
1988 
1989 	info->gpio_chip = ocelot_gpiolib_chip;
1990 
1991 	gc = &info->gpio_chip;
1992 	gc->ngpio = info->desc->npins;
1993 	gc->parent = &pdev->dev;
1994 	gc->base = -1;
1995 	gc->label = "ocelot-gpio";
1996 
1997 	irq = platform_get_irq_optional(pdev, 0);
1998 	if (irq > 0) {
1999 		girq = &gc->irq;
2000 		gpio_irq_chip_set_chip(girq, &ocelot_irqchip);
2001 		girq->parent_handler = ocelot_irq_handler;
2002 		girq->num_parents = 1;
2003 		girq->parents = devm_kcalloc(&pdev->dev, 1,
2004 					     sizeof(*girq->parents),
2005 					     GFP_KERNEL);
2006 		if (!girq->parents)
2007 			return -ENOMEM;
2008 		girq->parents[0] = irq;
2009 		girq->default_type = IRQ_TYPE_NONE;
2010 		girq->handler = handle_edge_irq;
2011 	}
2012 
2013 	return devm_gpiochip_add_data(&pdev->dev, gc, info);
2014 }
2015 
2016 static const struct of_device_id ocelot_pinctrl_of_match[] = {
2017 	{ .compatible = "mscc,luton-pinctrl", .data = &luton_desc },
2018 	{ .compatible = "mscc,serval-pinctrl", .data = &serval_desc },
2019 	{ .compatible = "mscc,ocelot-pinctrl", .data = &ocelot_desc },
2020 	{ .compatible = "mscc,jaguar2-pinctrl", .data = &jaguar2_desc },
2021 	{ .compatible = "mscc,servalt-pinctrl", .data = &servalt_desc },
2022 	{ .compatible = "microchip,sparx5-pinctrl", .data = &sparx5_desc },
2023 	{ .compatible = "microchip,lan966x-pinctrl", .data = &lan966x_desc },
2024 	{},
2025 };
2026 MODULE_DEVICE_TABLE(of, ocelot_pinctrl_of_match);
2027 
2028 static struct regmap *ocelot_pinctrl_create_pincfg(struct platform_device *pdev,
2029 						   const struct ocelot_pinctrl *info)
2030 {
2031 	void __iomem *base;
2032 
2033 	const struct regmap_config regmap_config = {
2034 		.reg_bits = 32,
2035 		.val_bits = 32,
2036 		.reg_stride = 4,
2037 		.max_register = info->desc->npins * 4,
2038 		.name = "pincfg",
2039 	};
2040 
2041 	base = devm_platform_ioremap_resource(pdev, 1);
2042 	if (IS_ERR(base)) {
2043 		dev_dbg(&pdev->dev, "Failed to ioremap config registers (no extended pinconf)\n");
2044 		return NULL;
2045 	}
2046 
2047 	return devm_regmap_init_mmio(&pdev->dev, base, &regmap_config);
2048 }
2049 
2050 static int ocelot_pinctrl_probe(struct platform_device *pdev)
2051 {
2052 	const struct ocelot_match_data *data;
2053 	struct device *dev = &pdev->dev;
2054 	struct ocelot_pinctrl *info;
2055 	struct reset_control *reset;
2056 	struct regmap *pincfg;
2057 	int ret;
2058 	struct regmap_config regmap_config = {
2059 		.reg_bits = 32,
2060 		.val_bits = 32,
2061 		.reg_stride = 4,
2062 	};
2063 
2064 	info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
2065 	if (!info)
2066 		return -ENOMEM;
2067 
2068 	data = device_get_match_data(dev);
2069 	if (!data)
2070 		return -EINVAL;
2071 
2072 	info->desc = devm_kmemdup(dev, &data->desc, sizeof(*info->desc),
2073 				  GFP_KERNEL);
2074 	if (!info->desc)
2075 		return -ENOMEM;
2076 
2077 	info->wq = alloc_ordered_workqueue("ocelot_ordered", 0);
2078 	if (!info->wq)
2079 		return -ENOMEM;
2080 
2081 	info->pincfg_data = &data->pincfg_data;
2082 
2083 	reset = devm_reset_control_get_optional_shared(dev, "switch");
2084 	if (IS_ERR(reset))
2085 		return dev_err_probe(dev, PTR_ERR(reset),
2086 				     "Failed to get reset\n");
2087 	reset_control_reset(reset);
2088 
2089 	info->stride = 1 + (info->desc->npins - 1) / 32;
2090 
2091 	regmap_config.max_register = OCELOT_GPIO_SD_MAP * info->stride + 15 * 4;
2092 
2093 	info->map = ocelot_regmap_from_resource(pdev, 0, &regmap_config);
2094 	if (IS_ERR(info->map))
2095 		return dev_err_probe(dev, PTR_ERR(info->map),
2096 				     "Failed to create regmap\n");
2097 	dev_set_drvdata(dev, info);
2098 	info->dev = dev;
2099 
2100 	/* Pinconf registers */
2101 	if (info->desc->confops) {
2102 		pincfg = ocelot_pinctrl_create_pincfg(pdev, info);
2103 		if (IS_ERR(pincfg))
2104 			dev_dbg(dev, "Failed to create pincfg regmap\n");
2105 		else
2106 			info->pincfg = pincfg;
2107 	}
2108 
2109 	ret = ocelot_pinctrl_register(pdev, info);
2110 	if (ret)
2111 		return ret;
2112 
2113 	ret = ocelot_gpiochip_register(pdev, info);
2114 	if (ret)
2115 		return ret;
2116 
2117 	dev_info(dev, "driver registered\n");
2118 
2119 	return 0;
2120 }
2121 
2122 static int ocelot_pinctrl_remove(struct platform_device *pdev)
2123 {
2124 	struct ocelot_pinctrl *info = platform_get_drvdata(pdev);
2125 
2126 	destroy_workqueue(info->wq);
2127 
2128 	return 0;
2129 }
2130 
2131 static struct platform_driver ocelot_pinctrl_driver = {
2132 	.driver = {
2133 		.name = "pinctrl-ocelot",
2134 		.of_match_table = of_match_ptr(ocelot_pinctrl_of_match),
2135 		.suppress_bind_attrs = true,
2136 	},
2137 	.probe = ocelot_pinctrl_probe,
2138 	.remove = ocelot_pinctrl_remove,
2139 };
2140 module_platform_driver(ocelot_pinctrl_driver);
2141 
2142 MODULE_DESCRIPTION("Ocelot Chip Pinctrl Driver");
2143 MODULE_LICENSE("Dual MIT/GPL");
2144