1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Renesas RZ/G2L Pin Control and GPIO driver core
4  *
5  * Copyright (C) 2021 Renesas Electronics Corporation.
6  */
7 
8 #include <linux/bitops.h>
9 #include <linux/clk.h>
10 #include <linux/gpio/driver.h>
11 #include <linux/interrupt.h>
12 #include <linux/io.h>
13 #include <linux/module.h>
14 #include <linux/mutex.h>
15 #include <linux/of.h>
16 #include <linux/of_irq.h>
17 #include <linux/platform_device.h>
18 #include <linux/seq_file.h>
19 #include <linux/spinlock.h>
20 
21 #include <linux/pinctrl/consumer.h>
22 #include <linux/pinctrl/pinconf-generic.h>
23 #include <linux/pinctrl/pinconf.h>
24 #include <linux/pinctrl/pinctrl.h>
25 #include <linux/pinctrl/pinmux.h>
26 
27 #include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
28 
29 #include "../core.h"
30 #include "../pinconf.h"
31 #include "../pinmux.h"
32 
33 #define DRV_NAME	"pinctrl-rzg2l"
34 
35 /*
36  * Use 16 lower bits [15:0] for pin identifier
37  * Use 16 higher bits [31:16] for pin mux function
38  */
39 #define MUX_PIN_ID_MASK		GENMASK(15, 0)
40 #define MUX_FUNC_MASK		GENMASK(31, 16)
41 #define MUX_FUNC_OFFS		16
42 #define MUX_FUNC(pinconf)	(((pinconf) & MUX_FUNC_MASK) >> MUX_FUNC_OFFS)
43 
44 /* PIN capabilities */
45 #define PIN_CFG_IOLH_A			BIT(0)
46 #define PIN_CFG_IOLH_B			BIT(1)
47 #define PIN_CFG_SR			BIT(2)
48 #define PIN_CFG_IEN			BIT(3)
49 #define PIN_CFG_PUPD			BIT(4)
50 #define PIN_CFG_IO_VMC_SD0		BIT(5)
51 #define PIN_CFG_IO_VMC_SD1		BIT(6)
52 #define PIN_CFG_IO_VMC_QSPI		BIT(7)
53 #define PIN_CFG_IO_VMC_ETH0		BIT(8)
54 #define PIN_CFG_IO_VMC_ETH1		BIT(9)
55 #define PIN_CFG_FILONOFF		BIT(10)
56 #define PIN_CFG_FILNUM			BIT(11)
57 #define PIN_CFG_FILCLKSEL		BIT(12)
58 
59 #define RZG2L_MPXED_PIN_FUNCS		(PIN_CFG_IOLH_A | \
60 					 PIN_CFG_SR | \
61 					 PIN_CFG_PUPD | \
62 					 PIN_CFG_FILONOFF | \
63 					 PIN_CFG_FILNUM | \
64 					 PIN_CFG_FILCLKSEL)
65 
66 #define RZG2L_MPXED_ETH_PIN_FUNCS(x)	((x) | \
67 					 PIN_CFG_FILONOFF | \
68 					 PIN_CFG_FILNUM | \
69 					 PIN_CFG_FILCLKSEL)
70 
71 /*
72  * n indicates number of pins in the port, a is the register index
73  * and f is pin configuration capabilities supported.
74  */
75 #define RZG2L_GPIO_PORT_PACK(n, a, f)	(((n) << 28) | ((a) << 20) | (f))
76 #define RZG2L_GPIO_PORT_GET_PINCNT(x)	(((x) & GENMASK(30, 28)) >> 28)
77 #define RZG2L_GPIO_PORT_GET_INDEX(x)	(((x) & GENMASK(26, 20)) >> 20)
78 #define RZG2L_GPIO_PORT_GET_CFGS(x)	((x) & GENMASK(19, 0))
79 
80 /*
81  * BIT(31) indicates dedicated pin, p is the register index while
82  * referencing to SR/IEN/IOLH/FILxx registers, b is the register bits
83  * (b * 8) and f is the pin configuration capabilities supported.
84  */
85 #define RZG2L_SINGLE_PIN		BIT(31)
86 #define RZG2L_SINGLE_PIN_PACK(p, b, f)	(RZG2L_SINGLE_PIN | \
87 					 ((p) << 24) | ((b) << 20) | (f))
88 #define RZG2L_SINGLE_PIN_GET_PORT_OFFSET(x)	(((x) & GENMASK(30, 24)) >> 24)
89 #define RZG2L_SINGLE_PIN_GET_BIT(x)	(((x) & GENMASK(22, 20)) >> 20)
90 #define RZG2L_SINGLE_PIN_GET_CFGS(x)	((x) & GENMASK(19, 0))
91 
92 #define P(n)			(0x0000 + 0x10 + (n))
93 #define PM(n)			(0x0100 + 0x20 + (n) * 2)
94 #define PMC(n)			(0x0200 + 0x10 + (n))
95 #define PFC(n)			(0x0400 + 0x40 + (n) * 4)
96 #define PIN(n)			(0x0800 + 0x10 + (n))
97 #define IOLH(n)			(0x1000 + (n) * 8)
98 #define IEN(n)			(0x1800 + (n) * 8)
99 #define ISEL(n)			(0x2c80 + (n) * 8)
100 #define PWPR			(0x3014)
101 #define SD_CH(n)		(0x3000 + (n) * 4)
102 #define QSPI			(0x3008)
103 
104 #define PVDD_1800		1	/* I/O domain voltage <= 1.8V */
105 #define PVDD_3300		0	/* I/O domain voltage >= 3.3V */
106 
107 #define PWPR_B0WI		BIT(7)	/* Bit Write Disable */
108 #define PWPR_PFCWE		BIT(6)	/* PFC Register Write Enable */
109 
110 #define PM_MASK			0x03
111 #define PVDD_MASK		0x01
112 #define PFC_MASK		0x07
113 #define IEN_MASK		0x01
114 #define IOLH_MASK		0x03
115 
116 #define PM_INPUT		0x1
117 #define PM_OUTPUT		0x2
118 
119 #define RZG2L_PIN_ID_TO_PORT(id)	((id) / RZG2L_PINS_PER_PORT)
120 #define RZG2L_PIN_ID_TO_PORT_OFFSET(id)	(RZG2L_PIN_ID_TO_PORT(id) + 0x10)
121 #define RZG2L_PIN_ID_TO_PIN(id)		((id) % RZG2L_PINS_PER_PORT)
122 
123 #define RZG2L_TINT_MAX_INTERRUPT	32
124 #define RZG2L_TINT_IRQ_START_INDEX	9
125 #define RZG2L_PACK_HWIRQ(t, i)		(((t) << 16) | (i))
126 
127 struct rzg2l_dedicated_configs {
128 	const char *name;
129 	u32 config;
130 };
131 
132 struct rzg2l_pinctrl_data {
133 	const char * const *port_pins;
134 	const u32 *port_pin_configs;
135 	unsigned int n_ports;
136 	struct rzg2l_dedicated_configs *dedicated_pins;
137 	unsigned int n_port_pins;
138 	unsigned int n_dedicated_pins;
139 };
140 
141 struct rzg2l_pinctrl {
142 	struct pinctrl_dev		*pctl;
143 	struct pinctrl_desc		desc;
144 	struct pinctrl_pin_desc		*pins;
145 
146 	const struct rzg2l_pinctrl_data	*data;
147 	void __iomem			*base;
148 	struct device			*dev;
149 
150 	struct gpio_chip		gpio_chip;
151 	struct pinctrl_gpio_range	gpio_range;
152 	DECLARE_BITMAP(tint_slot, RZG2L_TINT_MAX_INTERRUPT);
153 	spinlock_t			bitmap_lock; /* protect tint_slot bitmap */
154 	unsigned int			hwirq[RZG2L_TINT_MAX_INTERRUPT];
155 
156 	spinlock_t			lock; /* lock read/write registers */
157 	struct mutex			mutex; /* serialize adding groups and functions */
158 };
159 
160 static const unsigned int iolh_groupa_mA[] = { 2, 4, 8, 12 };
161 static const unsigned int iolh_groupb_oi[] = { 100, 66, 50, 33 };
162 
163 static void rzg2l_pinctrl_set_pfc_mode(struct rzg2l_pinctrl *pctrl,
164 				       u8 port, u8 pin, u8 func)
165 {
166 	unsigned long flags;
167 	u32 reg;
168 
169 	spin_lock_irqsave(&pctrl->lock, flags);
170 
171 	/* Set pin to 'Non-use (Hi-Z input protection)'  */
172 	reg = readw(pctrl->base + PM(port));
173 	reg &= ~(PM_MASK << (pin * 2));
174 	writew(reg, pctrl->base + PM(port));
175 
176 	/* Temporarily switch to GPIO mode with PMC register */
177 	reg = readb(pctrl->base + PMC(port));
178 	writeb(reg & ~BIT(pin), pctrl->base + PMC(port));
179 
180 	/* Set the PWPR register to allow PFC register to write */
181 	writel(0x0, pctrl->base + PWPR);        /* B0WI=0, PFCWE=0 */
182 	writel(PWPR_PFCWE, pctrl->base + PWPR);  /* B0WI=0, PFCWE=1 */
183 
184 	/* Select Pin function mode with PFC register */
185 	reg = readl(pctrl->base + PFC(port));
186 	reg &= ~(PFC_MASK << (pin * 4));
187 	writel(reg | (func << (pin * 4)), pctrl->base + PFC(port));
188 
189 	/* Set the PWPR register to be write-protected */
190 	writel(0x0, pctrl->base + PWPR);        /* B0WI=0, PFCWE=0 */
191 	writel(PWPR_B0WI, pctrl->base + PWPR);  /* B0WI=1, PFCWE=0 */
192 
193 	/* Switch to Peripheral pin function with PMC register */
194 	reg = readb(pctrl->base + PMC(port));
195 	writeb(reg | BIT(pin), pctrl->base + PMC(port));
196 
197 	spin_unlock_irqrestore(&pctrl->lock, flags);
198 };
199 
200 static int rzg2l_pinctrl_set_mux(struct pinctrl_dev *pctldev,
201 				 unsigned int func_selector,
202 				 unsigned int group_selector)
203 {
204 	struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
205 	struct function_desc *func;
206 	unsigned int i, *psel_val;
207 	struct group_desc *group;
208 	int *pins;
209 
210 	func = pinmux_generic_get_function(pctldev, func_selector);
211 	if (!func)
212 		return -EINVAL;
213 	group = pinctrl_generic_get_group(pctldev, group_selector);
214 	if (!group)
215 		return -EINVAL;
216 
217 	psel_val = func->data;
218 	pins = group->pins;
219 
220 	for (i = 0; i < group->num_pins; i++) {
221 		dev_dbg(pctrl->dev, "port:%u pin: %u PSEL:%u\n",
222 			RZG2L_PIN_ID_TO_PORT(pins[i]), RZG2L_PIN_ID_TO_PIN(pins[i]),
223 			psel_val[i]);
224 		rzg2l_pinctrl_set_pfc_mode(pctrl, RZG2L_PIN_ID_TO_PORT(pins[i]),
225 					   RZG2L_PIN_ID_TO_PIN(pins[i]), psel_val[i]);
226 	}
227 
228 	return 0;
229 };
230 
231 static int rzg2l_map_add_config(struct pinctrl_map *map,
232 				const char *group_or_pin,
233 				enum pinctrl_map_type type,
234 				unsigned long *configs,
235 				unsigned int num_configs)
236 {
237 	unsigned long *cfgs;
238 
239 	cfgs = kmemdup(configs, num_configs * sizeof(*cfgs),
240 		       GFP_KERNEL);
241 	if (!cfgs)
242 		return -ENOMEM;
243 
244 	map->type = type;
245 	map->data.configs.group_or_pin = group_or_pin;
246 	map->data.configs.configs = cfgs;
247 	map->data.configs.num_configs = num_configs;
248 
249 	return 0;
250 }
251 
252 static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev,
253 				   struct device_node *np,
254 				   struct device_node *parent,
255 				   struct pinctrl_map **map,
256 				   unsigned int *num_maps,
257 				   unsigned int *index)
258 {
259 	struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
260 	struct pinctrl_map *maps = *map;
261 	unsigned int nmaps = *num_maps;
262 	unsigned long *configs = NULL;
263 	unsigned int *pins, *psel_val;
264 	unsigned int num_pinmux = 0;
265 	unsigned int idx = *index;
266 	unsigned int num_pins, i;
267 	unsigned int num_configs;
268 	struct property *pinmux;
269 	struct property *prop;
270 	int ret, gsel, fsel;
271 	const char **pin_fn;
272 	const char *name;
273 	const char *pin;
274 
275 	pinmux = of_find_property(np, "pinmux", NULL);
276 	if (pinmux)
277 		num_pinmux = pinmux->length / sizeof(u32);
278 
279 	ret = of_property_count_strings(np, "pins");
280 	if (ret == -EINVAL) {
281 		num_pins = 0;
282 	} else if (ret < 0) {
283 		dev_err(pctrl->dev, "Invalid pins list in DT\n");
284 		return ret;
285 	} else {
286 		num_pins = ret;
287 	}
288 
289 	if (!num_pinmux && !num_pins)
290 		return 0;
291 
292 	if (num_pinmux && num_pins) {
293 		dev_err(pctrl->dev,
294 			"DT node must contain either a pinmux or pins and not both\n");
295 		return -EINVAL;
296 	}
297 
298 	ret = pinconf_generic_parse_dt_config(np, NULL, &configs, &num_configs);
299 	if (ret < 0)
300 		return ret;
301 
302 	if (num_pins && !num_configs) {
303 		dev_err(pctrl->dev, "DT node must contain a config\n");
304 		ret = -ENODEV;
305 		goto done;
306 	}
307 
308 	if (num_pinmux)
309 		nmaps += 1;
310 
311 	if (num_pins)
312 		nmaps += num_pins;
313 
314 	maps = krealloc_array(maps, nmaps, sizeof(*maps), GFP_KERNEL);
315 	if (!maps) {
316 		ret = -ENOMEM;
317 		goto done;
318 	}
319 
320 	*map = maps;
321 	*num_maps = nmaps;
322 	if (num_pins) {
323 		of_property_for_each_string(np, "pins", prop, pin) {
324 			ret = rzg2l_map_add_config(&maps[idx], pin,
325 						   PIN_MAP_TYPE_CONFIGS_PIN,
326 						   configs, num_configs);
327 			if (ret < 0)
328 				goto done;
329 
330 			idx++;
331 		}
332 		ret = 0;
333 		goto done;
334 	}
335 
336 	pins = devm_kcalloc(pctrl->dev, num_pinmux, sizeof(*pins), GFP_KERNEL);
337 	psel_val = devm_kcalloc(pctrl->dev, num_pinmux, sizeof(*psel_val),
338 				GFP_KERNEL);
339 	pin_fn = devm_kzalloc(pctrl->dev, sizeof(*pin_fn), GFP_KERNEL);
340 	if (!pins || !psel_val || !pin_fn) {
341 		ret = -ENOMEM;
342 		goto done;
343 	}
344 
345 	/* Collect pin locations and mux settings from DT properties */
346 	for (i = 0; i < num_pinmux; ++i) {
347 		u32 value;
348 
349 		ret = of_property_read_u32_index(np, "pinmux", i, &value);
350 		if (ret)
351 			goto done;
352 		pins[i] = value & MUX_PIN_ID_MASK;
353 		psel_val[i] = MUX_FUNC(value);
354 	}
355 
356 	if (parent) {
357 		name = devm_kasprintf(pctrl->dev, GFP_KERNEL, "%pOFn.%pOFn",
358 				      parent, np);
359 		if (!name) {
360 			ret = -ENOMEM;
361 			goto done;
362 		}
363 	} else {
364 		name = np->name;
365 	}
366 
367 	mutex_lock(&pctrl->mutex);
368 
369 	/* Register a single pin group listing all the pins we read from DT */
370 	gsel = pinctrl_generic_add_group(pctldev, name, pins, num_pinmux, NULL);
371 	if (gsel < 0) {
372 		ret = gsel;
373 		goto unlock;
374 	}
375 
376 	/*
377 	 * Register a single group function where the 'data' is an array PSEL
378 	 * register values read from DT.
379 	 */
380 	pin_fn[0] = name;
381 	fsel = pinmux_generic_add_function(pctldev, name, pin_fn, 1, psel_val);
382 	if (fsel < 0) {
383 		ret = fsel;
384 		goto remove_group;
385 	}
386 
387 	mutex_unlock(&pctrl->mutex);
388 
389 	maps[idx].type = PIN_MAP_TYPE_MUX_GROUP;
390 	maps[idx].data.mux.group = name;
391 	maps[idx].data.mux.function = name;
392 	idx++;
393 
394 	dev_dbg(pctrl->dev, "Parsed %pOF with %d pins\n", np, num_pinmux);
395 	ret = 0;
396 	goto done;
397 
398 remove_group:
399 	pinctrl_generic_remove_group(pctldev, gsel);
400 unlock:
401 	mutex_unlock(&pctrl->mutex);
402 done:
403 	*index = idx;
404 	kfree(configs);
405 	return ret;
406 }
407 
408 static void rzg2l_dt_free_map(struct pinctrl_dev *pctldev,
409 			      struct pinctrl_map *map,
410 			      unsigned int num_maps)
411 {
412 	unsigned int i;
413 
414 	if (!map)
415 		return;
416 
417 	for (i = 0; i < num_maps; ++i) {
418 		if (map[i].type == PIN_MAP_TYPE_CONFIGS_GROUP ||
419 		    map[i].type == PIN_MAP_TYPE_CONFIGS_PIN)
420 			kfree(map[i].data.configs.configs);
421 	}
422 	kfree(map);
423 }
424 
425 static int rzg2l_dt_node_to_map(struct pinctrl_dev *pctldev,
426 				struct device_node *np,
427 				struct pinctrl_map **map,
428 				unsigned int *num_maps)
429 {
430 	struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
431 	struct device_node *child;
432 	unsigned int index;
433 	int ret;
434 
435 	*map = NULL;
436 	*num_maps = 0;
437 	index = 0;
438 
439 	for_each_child_of_node(np, child) {
440 		ret = rzg2l_dt_subnode_to_map(pctldev, child, np, map,
441 					      num_maps, &index);
442 		if (ret < 0) {
443 			of_node_put(child);
444 			goto done;
445 		}
446 	}
447 
448 	if (*num_maps == 0) {
449 		ret = rzg2l_dt_subnode_to_map(pctldev, np, NULL, map,
450 					      num_maps, &index);
451 		if (ret < 0)
452 			goto done;
453 	}
454 
455 	if (*num_maps)
456 		return 0;
457 
458 	dev_err(pctrl->dev, "no mapping found in node %pOF\n", np);
459 	ret = -EINVAL;
460 
461 done:
462 	rzg2l_dt_free_map(pctldev, *map, *num_maps);
463 
464 	return ret;
465 }
466 
467 static int rzg2l_validate_gpio_pin(struct rzg2l_pinctrl *pctrl,
468 				   u32 cfg, u32 port, u8 bit)
469 {
470 	u8 pincount = RZG2L_GPIO_PORT_GET_PINCNT(cfg);
471 	u32 port_index = RZG2L_GPIO_PORT_GET_INDEX(cfg);
472 	u32 data;
473 
474 	if (bit >= pincount || port >= pctrl->data->n_port_pins)
475 		return -EINVAL;
476 
477 	data = pctrl->data->port_pin_configs[port];
478 	if (port_index != RZG2L_GPIO_PORT_GET_INDEX(data))
479 		return -EINVAL;
480 
481 	return 0;
482 }
483 
484 static u32 rzg2l_read_pin_config(struct rzg2l_pinctrl *pctrl, u32 offset,
485 				 u8 bit, u32 mask)
486 {
487 	void __iomem *addr = pctrl->base + offset;
488 
489 	/* handle _L/_H for 32-bit register read/write */
490 	if (bit >= 4) {
491 		bit -= 4;
492 		addr += 4;
493 	}
494 
495 	return (readl(addr) >> (bit * 8)) & mask;
496 }
497 
498 static void rzg2l_rmw_pin_config(struct rzg2l_pinctrl *pctrl, u32 offset,
499 				 u8 bit, u32 mask, u32 val)
500 {
501 	void __iomem *addr = pctrl->base + offset;
502 	unsigned long flags;
503 	u32 reg;
504 
505 	/* handle _L/_H for 32-bit register read/write */
506 	if (bit >= 4) {
507 		bit -= 4;
508 		addr += 4;
509 	}
510 
511 	spin_lock_irqsave(&pctrl->lock, flags);
512 	reg = readl(addr) & ~(mask << (bit * 8));
513 	writel(reg | (val << (bit * 8)), addr);
514 	spin_unlock_irqrestore(&pctrl->lock, flags);
515 }
516 
517 static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev,
518 				     unsigned int _pin,
519 				     unsigned long *config)
520 {
521 	struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
522 	enum pin_config_param param = pinconf_to_config_param(*config);
523 	const struct pinctrl_pin_desc *pin = &pctrl->desc.pins[_pin];
524 	unsigned int *pin_data = pin->drv_data;
525 	unsigned int arg = 0;
526 	unsigned long flags;
527 	void __iomem *addr;
528 	u32 port_offset;
529 	u32 cfg = 0;
530 	u8 bit = 0;
531 
532 	if (!pin_data)
533 		return -EINVAL;
534 
535 	if (*pin_data & RZG2L_SINGLE_PIN) {
536 		port_offset = RZG2L_SINGLE_PIN_GET_PORT_OFFSET(*pin_data);
537 		cfg = RZG2L_SINGLE_PIN_GET_CFGS(*pin_data);
538 		bit = RZG2L_SINGLE_PIN_GET_BIT(*pin_data);
539 	} else {
540 		cfg = RZG2L_GPIO_PORT_GET_CFGS(*pin_data);
541 		port_offset = RZG2L_PIN_ID_TO_PORT_OFFSET(_pin);
542 		bit = RZG2L_PIN_ID_TO_PIN(_pin);
543 
544 		if (rzg2l_validate_gpio_pin(pctrl, *pin_data, RZG2L_PIN_ID_TO_PORT(_pin), bit))
545 			return -EINVAL;
546 	}
547 
548 	switch (param) {
549 	case PIN_CONFIG_INPUT_ENABLE:
550 		if (!(cfg & PIN_CFG_IEN))
551 			return -EINVAL;
552 		arg = rzg2l_read_pin_config(pctrl, IEN(port_offset), bit, IEN_MASK);
553 		if (!arg)
554 			return -EINVAL;
555 		break;
556 
557 	case PIN_CONFIG_POWER_SOURCE: {
558 		u32 pwr_reg = 0x0;
559 
560 		if (cfg & PIN_CFG_IO_VMC_SD0)
561 			pwr_reg = SD_CH(0);
562 		else if (cfg & PIN_CFG_IO_VMC_SD1)
563 			pwr_reg = SD_CH(1);
564 		else if (cfg & PIN_CFG_IO_VMC_QSPI)
565 			pwr_reg = QSPI;
566 		else
567 			return -EINVAL;
568 
569 		spin_lock_irqsave(&pctrl->lock, flags);
570 		addr = pctrl->base + pwr_reg;
571 		arg = (readl(addr) & PVDD_MASK) ? 1800 : 3300;
572 		spin_unlock_irqrestore(&pctrl->lock, flags);
573 		break;
574 	}
575 
576 	case PIN_CONFIG_DRIVE_STRENGTH: {
577 		unsigned int index;
578 
579 		if (!(cfg & PIN_CFG_IOLH_A))
580 			return -EINVAL;
581 
582 		index = rzg2l_read_pin_config(pctrl, IOLH(port_offset), bit, IOLH_MASK);
583 		arg = iolh_groupa_mA[index];
584 		break;
585 	}
586 
587 	case PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS: {
588 		unsigned int index;
589 
590 		if (!(cfg & PIN_CFG_IOLH_B))
591 			return -EINVAL;
592 
593 		index = rzg2l_read_pin_config(pctrl, IOLH(port_offset), bit, IOLH_MASK);
594 		arg = iolh_groupb_oi[index];
595 		break;
596 	}
597 
598 	default:
599 		return -ENOTSUPP;
600 	}
601 
602 	*config = pinconf_to_config_packed(param, arg);
603 
604 	return 0;
605 };
606 
607 static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev,
608 				     unsigned int _pin,
609 				     unsigned long *_configs,
610 				     unsigned int num_configs)
611 {
612 	struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
613 	const struct pinctrl_pin_desc *pin = &pctrl->desc.pins[_pin];
614 	unsigned int *pin_data = pin->drv_data;
615 	enum pin_config_param param;
616 	unsigned long flags;
617 	void __iomem *addr;
618 	u32 port_offset;
619 	unsigned int i;
620 	u32 cfg = 0;
621 	u8 bit = 0;
622 
623 	if (!pin_data)
624 		return -EINVAL;
625 
626 	if (*pin_data & RZG2L_SINGLE_PIN) {
627 		port_offset = RZG2L_SINGLE_PIN_GET_PORT_OFFSET(*pin_data);
628 		cfg = RZG2L_SINGLE_PIN_GET_CFGS(*pin_data);
629 		bit = RZG2L_SINGLE_PIN_GET_BIT(*pin_data);
630 	} else {
631 		cfg = RZG2L_GPIO_PORT_GET_CFGS(*pin_data);
632 		port_offset = RZG2L_PIN_ID_TO_PORT_OFFSET(_pin);
633 		bit = RZG2L_PIN_ID_TO_PIN(_pin);
634 
635 		if (rzg2l_validate_gpio_pin(pctrl, *pin_data, RZG2L_PIN_ID_TO_PORT(_pin), bit))
636 			return -EINVAL;
637 	}
638 
639 	for (i = 0; i < num_configs; i++) {
640 		param = pinconf_to_config_param(_configs[i]);
641 		switch (param) {
642 		case PIN_CONFIG_INPUT_ENABLE: {
643 			unsigned int arg =
644 					pinconf_to_config_argument(_configs[i]);
645 
646 			if (!(cfg & PIN_CFG_IEN))
647 				return -EINVAL;
648 
649 			rzg2l_rmw_pin_config(pctrl, IEN(port_offset), bit, IEN_MASK, !!arg);
650 			break;
651 		}
652 
653 		case PIN_CONFIG_POWER_SOURCE: {
654 			unsigned int mV = pinconf_to_config_argument(_configs[i]);
655 			u32 pwr_reg = 0x0;
656 
657 			if (mV != 1800 && mV != 3300)
658 				return -EINVAL;
659 
660 			if (cfg & PIN_CFG_IO_VMC_SD0)
661 				pwr_reg = SD_CH(0);
662 			else if (cfg & PIN_CFG_IO_VMC_SD1)
663 				pwr_reg = SD_CH(1);
664 			else if (cfg & PIN_CFG_IO_VMC_QSPI)
665 				pwr_reg = QSPI;
666 			else
667 				return -EINVAL;
668 
669 			addr = pctrl->base + pwr_reg;
670 			spin_lock_irqsave(&pctrl->lock, flags);
671 			writel((mV == 1800) ? PVDD_1800 : PVDD_3300, addr);
672 			spin_unlock_irqrestore(&pctrl->lock, flags);
673 			break;
674 		}
675 
676 		case PIN_CONFIG_DRIVE_STRENGTH: {
677 			unsigned int arg = pinconf_to_config_argument(_configs[i]);
678 			unsigned int index;
679 
680 			if (!(cfg & PIN_CFG_IOLH_A))
681 				return -EINVAL;
682 
683 			for (index = 0; index < ARRAY_SIZE(iolh_groupa_mA); index++) {
684 				if (arg == iolh_groupa_mA[index])
685 					break;
686 			}
687 			if (index >= ARRAY_SIZE(iolh_groupa_mA))
688 				return -EINVAL;
689 
690 			rzg2l_rmw_pin_config(pctrl, IOLH(port_offset), bit, IOLH_MASK, index);
691 			break;
692 		}
693 
694 		case PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS: {
695 			unsigned int arg = pinconf_to_config_argument(_configs[i]);
696 			unsigned int index;
697 
698 			if (!(cfg & PIN_CFG_IOLH_B))
699 				return -EINVAL;
700 
701 			for (index = 0; index < ARRAY_SIZE(iolh_groupb_oi); index++) {
702 				if (arg == iolh_groupb_oi[index])
703 					break;
704 			}
705 			if (index >= ARRAY_SIZE(iolh_groupb_oi))
706 				return -EINVAL;
707 
708 			rzg2l_rmw_pin_config(pctrl, IOLH(port_offset), bit, IOLH_MASK, index);
709 			break;
710 		}
711 
712 		default:
713 			return -EOPNOTSUPP;
714 		}
715 	}
716 
717 	return 0;
718 }
719 
720 static int rzg2l_pinctrl_pinconf_group_set(struct pinctrl_dev *pctldev,
721 					   unsigned int group,
722 					   unsigned long *configs,
723 					   unsigned int num_configs)
724 {
725 	const unsigned int *pins;
726 	unsigned int i, npins;
727 	int ret;
728 
729 	ret = pinctrl_generic_get_group_pins(pctldev, group, &pins, &npins);
730 	if (ret)
731 		return ret;
732 
733 	for (i = 0; i < npins; i++) {
734 		ret = rzg2l_pinctrl_pinconf_set(pctldev, pins[i], configs,
735 						num_configs);
736 		if (ret)
737 			return ret;
738 	}
739 
740 	return 0;
741 };
742 
743 static int rzg2l_pinctrl_pinconf_group_get(struct pinctrl_dev *pctldev,
744 					   unsigned int group,
745 					   unsigned long *config)
746 {
747 	const unsigned int *pins;
748 	unsigned int i, npins, prev_config = 0;
749 	int ret;
750 
751 	ret = pinctrl_generic_get_group_pins(pctldev, group, &pins, &npins);
752 	if (ret)
753 		return ret;
754 
755 	for (i = 0; i < npins; i++) {
756 		ret = rzg2l_pinctrl_pinconf_get(pctldev, pins[i], config);
757 		if (ret)
758 			return ret;
759 
760 		/* Check config matching between to pin  */
761 		if (i && prev_config != *config)
762 			return -EOPNOTSUPP;
763 
764 		prev_config = *config;
765 	}
766 
767 	return 0;
768 };
769 
770 static const struct pinctrl_ops rzg2l_pinctrl_pctlops = {
771 	.get_groups_count = pinctrl_generic_get_group_count,
772 	.get_group_name = pinctrl_generic_get_group_name,
773 	.get_group_pins = pinctrl_generic_get_group_pins,
774 	.dt_node_to_map = rzg2l_dt_node_to_map,
775 	.dt_free_map = rzg2l_dt_free_map,
776 };
777 
778 static const struct pinmux_ops rzg2l_pinctrl_pmxops = {
779 	.get_functions_count = pinmux_generic_get_function_count,
780 	.get_function_name = pinmux_generic_get_function_name,
781 	.get_function_groups = pinmux_generic_get_function_groups,
782 	.set_mux = rzg2l_pinctrl_set_mux,
783 	.strict = true,
784 };
785 
786 static const struct pinconf_ops rzg2l_pinctrl_confops = {
787 	.is_generic = true,
788 	.pin_config_get = rzg2l_pinctrl_pinconf_get,
789 	.pin_config_set = rzg2l_pinctrl_pinconf_set,
790 	.pin_config_group_set = rzg2l_pinctrl_pinconf_group_set,
791 	.pin_config_group_get = rzg2l_pinctrl_pinconf_group_get,
792 	.pin_config_config_dbg_show = pinconf_generic_dump_config,
793 };
794 
795 static int rzg2l_gpio_request(struct gpio_chip *chip, unsigned int offset)
796 {
797 	struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip);
798 	u32 port = RZG2L_PIN_ID_TO_PORT(offset);
799 	u8 bit = RZG2L_PIN_ID_TO_PIN(offset);
800 	unsigned long flags;
801 	u8 reg8;
802 	int ret;
803 
804 	ret = pinctrl_gpio_request(chip->base + offset);
805 	if (ret)
806 		return ret;
807 
808 	spin_lock_irqsave(&pctrl->lock, flags);
809 
810 	/* Select GPIO mode in PMC Register */
811 	reg8 = readb(pctrl->base + PMC(port));
812 	reg8 &= ~BIT(bit);
813 	writeb(reg8, pctrl->base + PMC(port));
814 
815 	spin_unlock_irqrestore(&pctrl->lock, flags);
816 
817 	return 0;
818 }
819 
820 static void rzg2l_gpio_set_direction(struct rzg2l_pinctrl *pctrl, u32 port,
821 				     u8 bit, bool output)
822 {
823 	unsigned long flags;
824 	u16 reg16;
825 
826 	spin_lock_irqsave(&pctrl->lock, flags);
827 
828 	reg16 = readw(pctrl->base + PM(port));
829 	reg16 &= ~(PM_MASK << (bit * 2));
830 
831 	reg16 |= (output ? PM_OUTPUT : PM_INPUT) << (bit * 2);
832 	writew(reg16, pctrl->base + PM(port));
833 
834 	spin_unlock_irqrestore(&pctrl->lock, flags);
835 }
836 
837 static int rzg2l_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
838 {
839 	struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip);
840 	u32 port = RZG2L_PIN_ID_TO_PORT(offset);
841 	u8 bit = RZG2L_PIN_ID_TO_PIN(offset);
842 
843 	if (!(readb(pctrl->base + PMC(port)) & BIT(bit))) {
844 		u16 reg16;
845 
846 		reg16 = readw(pctrl->base + PM(port));
847 		reg16 = (reg16 >> (bit * 2)) & PM_MASK;
848 		if (reg16 == PM_OUTPUT)
849 			return GPIO_LINE_DIRECTION_OUT;
850 	}
851 
852 	return GPIO_LINE_DIRECTION_IN;
853 }
854 
855 static int rzg2l_gpio_direction_input(struct gpio_chip *chip,
856 				      unsigned int offset)
857 {
858 	struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip);
859 	u32 port = RZG2L_PIN_ID_TO_PORT(offset);
860 	u8 bit = RZG2L_PIN_ID_TO_PIN(offset);
861 
862 	rzg2l_gpio_set_direction(pctrl, port, bit, false);
863 
864 	return 0;
865 }
866 
867 static void rzg2l_gpio_set(struct gpio_chip *chip, unsigned int offset,
868 			   int value)
869 {
870 	struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip);
871 	u32 port = RZG2L_PIN_ID_TO_PORT(offset);
872 	u8 bit = RZG2L_PIN_ID_TO_PIN(offset);
873 	unsigned long flags;
874 	u8 reg8;
875 
876 	spin_lock_irqsave(&pctrl->lock, flags);
877 
878 	reg8 = readb(pctrl->base + P(port));
879 
880 	if (value)
881 		writeb(reg8 | BIT(bit), pctrl->base + P(port));
882 	else
883 		writeb(reg8 & ~BIT(bit), pctrl->base + P(port));
884 
885 	spin_unlock_irqrestore(&pctrl->lock, flags);
886 }
887 
888 static int rzg2l_gpio_direction_output(struct gpio_chip *chip,
889 				       unsigned int offset, int value)
890 {
891 	struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip);
892 	u32 port = RZG2L_PIN_ID_TO_PORT(offset);
893 	u8 bit = RZG2L_PIN_ID_TO_PIN(offset);
894 
895 	rzg2l_gpio_set(chip, offset, value);
896 	rzg2l_gpio_set_direction(pctrl, port, bit, true);
897 
898 	return 0;
899 }
900 
901 static int rzg2l_gpio_get(struct gpio_chip *chip, unsigned int offset)
902 {
903 	struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip);
904 	u32 port = RZG2L_PIN_ID_TO_PORT(offset);
905 	u8 bit = RZG2L_PIN_ID_TO_PIN(offset);
906 	u16 reg16;
907 
908 	reg16 = readw(pctrl->base + PM(port));
909 	reg16 = (reg16 >> (bit * 2)) & PM_MASK;
910 
911 	if (reg16 == PM_INPUT)
912 		return !!(readb(pctrl->base + PIN(port)) & BIT(bit));
913 	else if (reg16 == PM_OUTPUT)
914 		return !!(readb(pctrl->base + P(port)) & BIT(bit));
915 	else
916 		return -EINVAL;
917 }
918 
919 static void rzg2l_gpio_free(struct gpio_chip *chip, unsigned int offset)
920 {
921 	unsigned int virq;
922 
923 	pinctrl_gpio_free(chip->base + offset);
924 
925 	virq = irq_find_mapping(chip->irq.domain, offset);
926 	if (virq)
927 		irq_dispose_mapping(virq);
928 
929 	/*
930 	 * Set the GPIO as an input to ensure that the next GPIO request won't
931 	 * drive the GPIO pin as an output.
932 	 */
933 	rzg2l_gpio_direction_input(chip, offset);
934 }
935 
936 static const char * const rzg2l_gpio_names[] = {
937 	"P0_0", "P0_1", "P0_2", "P0_3", "P0_4", "P0_5", "P0_6", "P0_7",
938 	"P1_0", "P1_1", "P1_2", "P1_3", "P1_4", "P1_5", "P1_6", "P1_7",
939 	"P2_0", "P2_1", "P2_2", "P2_3", "P2_4", "P2_5", "P2_6", "P2_7",
940 	"P3_0", "P3_1", "P3_2", "P3_3", "P3_4", "P3_5", "P3_6", "P3_7",
941 	"P4_0", "P4_1", "P4_2", "P4_3", "P4_4", "P4_5", "P4_6", "P4_7",
942 	"P5_0", "P5_1", "P5_2", "P5_3", "P5_4", "P5_5", "P5_6", "P5_7",
943 	"P6_0", "P6_1", "P6_2", "P6_3", "P6_4", "P6_5", "P6_6", "P6_7",
944 	"P7_0", "P7_1", "P7_2", "P7_3", "P7_4", "P7_5", "P7_6", "P7_7",
945 	"P8_0", "P8_1", "P8_2", "P8_3", "P8_4", "P8_5", "P8_6", "P8_7",
946 	"P9_0", "P9_1", "P9_2", "P9_3", "P9_4", "P9_5", "P9_6", "P9_7",
947 	"P10_0", "P10_1", "P10_2", "P10_3", "P10_4", "P10_5", "P10_6", "P10_7",
948 	"P11_0", "P11_1", "P11_2", "P11_3", "P11_4", "P11_5", "P11_6", "P11_7",
949 	"P12_0", "P12_1", "P12_2", "P12_3", "P12_4", "P12_5", "P12_6", "P12_7",
950 	"P13_0", "P13_1", "P13_2", "P13_3", "P13_4", "P13_5", "P13_6", "P13_7",
951 	"P14_0", "P14_1", "P14_2", "P14_3", "P14_4", "P14_5", "P14_6", "P14_7",
952 	"P15_0", "P15_1", "P15_2", "P15_3", "P15_4", "P15_5", "P15_6", "P15_7",
953 	"P16_0", "P16_1", "P16_2", "P16_3", "P16_4", "P16_5", "P16_6", "P16_7",
954 	"P17_0", "P17_1", "P17_2", "P17_3", "P17_4", "P17_5", "P17_6", "P17_7",
955 	"P18_0", "P18_1", "P18_2", "P18_3", "P18_4", "P18_5", "P18_6", "P18_7",
956 	"P19_0", "P19_1", "P19_2", "P19_3", "P19_4", "P19_5", "P19_6", "P19_7",
957 	"P20_0", "P20_1", "P20_2", "P20_3", "P20_4", "P20_5", "P20_6", "P20_7",
958 	"P21_0", "P21_1", "P21_2", "P21_3", "P21_4", "P21_5", "P21_6", "P21_7",
959 	"P22_0", "P22_1", "P22_2", "P22_3", "P22_4", "P22_5", "P22_6", "P22_7",
960 	"P23_0", "P23_1", "P23_2", "P23_3", "P23_4", "P23_5", "P23_6", "P23_7",
961 	"P24_0", "P24_1", "P24_2", "P24_3", "P24_4", "P24_5", "P24_6", "P24_7",
962 	"P25_0", "P25_1", "P25_2", "P25_3", "P25_4", "P25_5", "P25_6", "P25_7",
963 	"P26_0", "P26_1", "P26_2", "P26_3", "P26_4", "P26_5", "P26_6", "P26_7",
964 	"P27_0", "P27_1", "P27_2", "P27_3", "P27_4", "P27_5", "P27_6", "P27_7",
965 	"P28_0", "P28_1", "P28_2", "P28_3", "P28_4", "P28_5", "P28_6", "P28_7",
966 	"P29_0", "P29_1", "P29_2", "P29_3", "P29_4", "P29_5", "P29_6", "P29_7",
967 	"P30_0", "P30_1", "P30_2", "P30_3", "P30_4", "P30_5", "P30_6", "P30_7",
968 	"P31_0", "P31_1", "P31_2", "P31_3", "P31_4", "P31_5", "P31_6", "P31_7",
969 	"P32_0", "P32_1", "P32_2", "P32_3", "P32_4", "P32_5", "P32_6", "P32_7",
970 	"P33_0", "P33_1", "P33_2", "P33_3", "P33_4", "P33_5", "P33_6", "P33_7",
971 	"P34_0", "P34_1", "P34_2", "P34_3", "P34_4", "P34_5", "P34_6", "P34_7",
972 	"P35_0", "P35_1", "P35_2", "P35_3", "P35_4", "P35_5", "P35_6", "P35_7",
973 	"P36_0", "P36_1", "P36_2", "P36_3", "P36_4", "P36_5", "P36_6", "P36_7",
974 	"P37_0", "P37_1", "P37_2", "P37_3", "P37_4", "P37_5", "P37_6", "P37_7",
975 	"P38_0", "P38_1", "P38_2", "P38_3", "P38_4", "P38_5", "P38_6", "P38_7",
976 	"P39_0", "P39_1", "P39_2", "P39_3", "P39_4", "P39_5", "P39_6", "P39_7",
977 	"P40_0", "P40_1", "P40_2", "P40_3", "P40_4", "P40_5", "P40_6", "P40_7",
978 	"P41_0", "P41_1", "P41_2", "P41_3", "P41_4", "P41_5", "P41_6", "P41_7",
979 	"P42_0", "P42_1", "P42_2", "P42_3", "P42_4", "P42_5", "P42_6", "P42_7",
980 	"P43_0", "P43_1", "P43_2", "P43_3", "P43_4", "P43_5", "P43_6", "P43_7",
981 	"P44_0", "P44_1", "P44_2", "P44_3", "P44_4", "P44_5", "P44_6", "P44_7",
982 	"P45_0", "P45_1", "P45_2", "P45_3", "P45_4", "P45_5", "P45_6", "P45_7",
983 	"P46_0", "P46_1", "P46_2", "P46_3", "P46_4", "P46_5", "P46_6", "P46_7",
984 	"P47_0", "P47_1", "P47_2", "P47_3", "P47_4", "P47_5", "P47_6", "P47_7",
985 	"P48_0", "P48_1", "P48_2", "P48_3", "P48_4", "P48_5", "P48_6", "P48_7",
986 };
987 
988 static const u32 rzg2l_gpio_configs[] = {
989 	RZG2L_GPIO_PORT_PACK(2, 0x10, RZG2L_MPXED_PIN_FUNCS),
990 	RZG2L_GPIO_PORT_PACK(2, 0x11, RZG2L_MPXED_PIN_FUNCS),
991 	RZG2L_GPIO_PORT_PACK(2, 0x12, RZG2L_MPXED_PIN_FUNCS),
992 	RZG2L_GPIO_PORT_PACK(2, 0x13, RZG2L_MPXED_PIN_FUNCS),
993 	RZG2L_GPIO_PORT_PACK(2, 0x14, RZG2L_MPXED_PIN_FUNCS),
994 	RZG2L_GPIO_PORT_PACK(3, 0x15, RZG2L_MPXED_PIN_FUNCS),
995 	RZG2L_GPIO_PORT_PACK(2, 0x16, RZG2L_MPXED_PIN_FUNCS),
996 	RZG2L_GPIO_PORT_PACK(3, 0x17, RZG2L_MPXED_PIN_FUNCS),
997 	RZG2L_GPIO_PORT_PACK(3, 0x18, RZG2L_MPXED_PIN_FUNCS),
998 	RZG2L_GPIO_PORT_PACK(2, 0x19, RZG2L_MPXED_PIN_FUNCS),
999 	RZG2L_GPIO_PORT_PACK(2, 0x1a, RZG2L_MPXED_PIN_FUNCS),
1000 	RZG2L_GPIO_PORT_PACK(2, 0x1b, RZG2L_MPXED_PIN_FUNCS),
1001 	RZG2L_GPIO_PORT_PACK(2, 0x1c, RZG2L_MPXED_PIN_FUNCS),
1002 	RZG2L_GPIO_PORT_PACK(3, 0x1d, RZG2L_MPXED_PIN_FUNCS),
1003 	RZG2L_GPIO_PORT_PACK(2, 0x1e, RZG2L_MPXED_PIN_FUNCS),
1004 	RZG2L_GPIO_PORT_PACK(2, 0x1f, RZG2L_MPXED_PIN_FUNCS),
1005 	RZG2L_GPIO_PORT_PACK(2, 0x20, RZG2L_MPXED_PIN_FUNCS),
1006 	RZG2L_GPIO_PORT_PACK(3, 0x21, RZG2L_MPXED_PIN_FUNCS),
1007 	RZG2L_GPIO_PORT_PACK(2, 0x22, RZG2L_MPXED_PIN_FUNCS),
1008 	RZG2L_GPIO_PORT_PACK(2, 0x23, RZG2L_MPXED_PIN_FUNCS),
1009 	RZG2L_GPIO_PORT_PACK(3, 0x24, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1010 	RZG2L_GPIO_PORT_PACK(2, 0x25, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1011 	RZG2L_GPIO_PORT_PACK(2, 0x26, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1012 	RZG2L_GPIO_PORT_PACK(2, 0x27, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1013 	RZG2L_GPIO_PORT_PACK(2, 0x28, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1014 	RZG2L_GPIO_PORT_PACK(2, 0x29, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1015 	RZG2L_GPIO_PORT_PACK(2, 0x2a, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1016 	RZG2L_GPIO_PORT_PACK(2, 0x2b, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1017 	RZG2L_GPIO_PORT_PACK(2, 0x2c, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1018 	RZG2L_GPIO_PORT_PACK(2, 0x2d, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1019 	RZG2L_GPIO_PORT_PACK(2, 0x2e, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1020 	RZG2L_GPIO_PORT_PACK(2, 0x2f, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1021 	RZG2L_GPIO_PORT_PACK(2, 0x30, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1022 	RZG2L_GPIO_PORT_PACK(2, 0x31, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1023 	RZG2L_GPIO_PORT_PACK(2, 0x32, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1024 	RZG2L_GPIO_PORT_PACK(2, 0x33, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1025 	RZG2L_GPIO_PORT_PACK(2, 0x34, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1026 	RZG2L_GPIO_PORT_PACK(3, 0x35, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1027 	RZG2L_GPIO_PORT_PACK(2, 0x36, RZG2L_MPXED_PIN_FUNCS),
1028 	RZG2L_GPIO_PORT_PACK(3, 0x37, RZG2L_MPXED_PIN_FUNCS),
1029 	RZG2L_GPIO_PORT_PACK(3, 0x38, RZG2L_MPXED_PIN_FUNCS),
1030 	RZG2L_GPIO_PORT_PACK(2, 0x39, RZG2L_MPXED_PIN_FUNCS),
1031 	RZG2L_GPIO_PORT_PACK(5, 0x3a, RZG2L_MPXED_PIN_FUNCS),
1032 	RZG2L_GPIO_PORT_PACK(4, 0x3b, RZG2L_MPXED_PIN_FUNCS),
1033 	RZG2L_GPIO_PORT_PACK(4, 0x3c, RZG2L_MPXED_PIN_FUNCS),
1034 	RZG2L_GPIO_PORT_PACK(4, 0x3d, RZG2L_MPXED_PIN_FUNCS),
1035 	RZG2L_GPIO_PORT_PACK(4, 0x3e, RZG2L_MPXED_PIN_FUNCS),
1036 	RZG2L_GPIO_PORT_PACK(4, 0x3f, RZG2L_MPXED_PIN_FUNCS),
1037 	RZG2L_GPIO_PORT_PACK(5, 0x40, RZG2L_MPXED_PIN_FUNCS),
1038 };
1039 
1040 static const u32 r9a07g043_gpio_configs[] = {
1041 	RZG2L_GPIO_PORT_PACK(4, 0x10, RZG2L_MPXED_PIN_FUNCS),
1042 	RZG2L_GPIO_PORT_PACK(5, 0x11, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1043 	RZG2L_GPIO_PORT_PACK(4, 0x12, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1044 	RZG2L_GPIO_PORT_PACK(4, 0x13, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1045 	RZG2L_GPIO_PORT_PACK(6, 0x14, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1046 	RZG2L_GPIO_PORT_PACK(5, 0x15, RZG2L_MPXED_PIN_FUNCS),
1047 	RZG2L_GPIO_PORT_PACK(5, 0x16, RZG2L_MPXED_PIN_FUNCS),
1048 	RZG2L_GPIO_PORT_PACK(5, 0x17, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1049 	RZG2L_GPIO_PORT_PACK(5, 0x18, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1050 	RZG2L_GPIO_PORT_PACK(4, 0x19, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1051 	RZG2L_GPIO_PORT_PACK(5, 0x1a, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1052 	RZG2L_GPIO_PORT_PACK(4, 0x1b, RZG2L_MPXED_PIN_FUNCS),
1053 	RZG2L_GPIO_PORT_PACK(2, 0x1c, RZG2L_MPXED_PIN_FUNCS),
1054 	RZG2L_GPIO_PORT_PACK(5, 0x1d, RZG2L_MPXED_PIN_FUNCS),
1055 	RZG2L_GPIO_PORT_PACK(3, 0x1e, RZG2L_MPXED_PIN_FUNCS),
1056 	RZG2L_GPIO_PORT_PACK(4, 0x1f, RZG2L_MPXED_PIN_FUNCS),
1057 	RZG2L_GPIO_PORT_PACK(2, 0x20, RZG2L_MPXED_PIN_FUNCS),
1058 	RZG2L_GPIO_PORT_PACK(4, 0x21, RZG2L_MPXED_PIN_FUNCS),
1059 	RZG2L_GPIO_PORT_PACK(6, 0x22, RZG2L_MPXED_PIN_FUNCS),
1060 };
1061 
1062 static struct {
1063 	struct rzg2l_dedicated_configs common[35];
1064 	struct rzg2l_dedicated_configs rzg2l_pins[7];
1065 } rzg2l_dedicated_pins = {
1066 	.common = {
1067 		{ "NMI", RZG2L_SINGLE_PIN_PACK(0x1, 0,
1068 		 (PIN_CFG_FILONOFF | PIN_CFG_FILNUM | PIN_CFG_FILCLKSEL)) },
1069 		{ "TMS/SWDIO", RZG2L_SINGLE_PIN_PACK(0x2, 0,
1070 		 (PIN_CFG_IOLH_A | PIN_CFG_SR | PIN_CFG_IEN)) },
1071 		{ "TDO", RZG2L_SINGLE_PIN_PACK(0x3, 0,
1072 		 (PIN_CFG_IOLH_A | PIN_CFG_SR | PIN_CFG_IEN)) },
1073 		{ "AUDIO_CLK1", RZG2L_SINGLE_PIN_PACK(0x4, 0, PIN_CFG_IEN) },
1074 		{ "AUDIO_CLK2", RZG2L_SINGLE_PIN_PACK(0x4, 1, PIN_CFG_IEN) },
1075 		{ "SD0_CLK", RZG2L_SINGLE_PIN_PACK(0x6, 0,
1076 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_SD0)) },
1077 		{ "SD0_CMD", RZG2L_SINGLE_PIN_PACK(0x6, 1,
1078 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1079 		{ "SD0_RST#", RZG2L_SINGLE_PIN_PACK(0x6, 2,
1080 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_SD0)) },
1081 		{ "SD0_DATA0", RZG2L_SINGLE_PIN_PACK(0x7, 0,
1082 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1083 		{ "SD0_DATA1", RZG2L_SINGLE_PIN_PACK(0x7, 1,
1084 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1085 		{ "SD0_DATA2", RZG2L_SINGLE_PIN_PACK(0x7, 2,
1086 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1087 		{ "SD0_DATA3", RZG2L_SINGLE_PIN_PACK(0x7, 3,
1088 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1089 		{ "SD0_DATA4", RZG2L_SINGLE_PIN_PACK(0x7, 4,
1090 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1091 		{ "SD0_DATA5", RZG2L_SINGLE_PIN_PACK(0x7, 5,
1092 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1093 		{ "SD0_DATA6", RZG2L_SINGLE_PIN_PACK(0x7, 6,
1094 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1095 		{ "SD0_DATA7", RZG2L_SINGLE_PIN_PACK(0x7, 7,
1096 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1097 		{ "SD1_CLK", RZG2L_SINGLE_PIN_PACK(0x8, 0,
1098 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_SD1)) },
1099 		{ "SD1_CMD", RZG2L_SINGLE_PIN_PACK(0x8, 1,
1100 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
1101 		{ "SD1_DATA0", RZG2L_SINGLE_PIN_PACK(0x9, 0,
1102 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
1103 		{ "SD1_DATA1", RZG2L_SINGLE_PIN_PACK(0x9, 1,
1104 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
1105 		{ "SD1_DATA2", RZG2L_SINGLE_PIN_PACK(0x9, 2,
1106 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
1107 		{ "SD1_DATA3", RZG2L_SINGLE_PIN_PACK(0x9, 3,
1108 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
1109 		{ "QSPI0_SPCLK", RZG2L_SINGLE_PIN_PACK(0xa, 0,
1110 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1111 		{ "QSPI0_IO0", RZG2L_SINGLE_PIN_PACK(0xa, 1,
1112 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1113 		{ "QSPI0_IO1", RZG2L_SINGLE_PIN_PACK(0xa, 2,
1114 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1115 		{ "QSPI0_IO2", RZG2L_SINGLE_PIN_PACK(0xa, 3,
1116 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1117 		{ "QSPI0_IO3", RZG2L_SINGLE_PIN_PACK(0xa, 4,
1118 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1119 		{ "QSPI0_SSL", RZG2L_SINGLE_PIN_PACK(0xa, 5,
1120 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1121 		{ "QSPI_RESET#", RZG2L_SINGLE_PIN_PACK(0xc, 0,
1122 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1123 		{ "QSPI_WP#", RZG2L_SINGLE_PIN_PACK(0xc, 1,
1124 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1125 		{ "WDTOVF_PERROUT#", RZG2L_SINGLE_PIN_PACK(0xd, 0, (PIN_CFG_IOLH_A | PIN_CFG_SR)) },
1126 		{ "RIIC0_SDA", RZG2L_SINGLE_PIN_PACK(0xe, 0, PIN_CFG_IEN) },
1127 		{ "RIIC0_SCL", RZG2L_SINGLE_PIN_PACK(0xe, 1, PIN_CFG_IEN) },
1128 		{ "RIIC1_SDA", RZG2L_SINGLE_PIN_PACK(0xe, 2, PIN_CFG_IEN) },
1129 		{ "RIIC1_SCL", RZG2L_SINGLE_PIN_PACK(0xe, 3, PIN_CFG_IEN) },
1130 	},
1131 	.rzg2l_pins = {
1132 		{ "QSPI_INT#", RZG2L_SINGLE_PIN_PACK(0xc, 2, (PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1133 		{ "QSPI1_SPCLK", RZG2L_SINGLE_PIN_PACK(0xb, 0,
1134 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1135 		{ "QSPI1_IO0", RZG2L_SINGLE_PIN_PACK(0xb, 1,
1136 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1137 		{ "QSPI1_IO1", RZG2L_SINGLE_PIN_PACK(0xb, 2,
1138 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1139 		{ "QSPI1_IO2", RZG2L_SINGLE_PIN_PACK(0xb, 3,
1140 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1141 		{ "QSPI1_IO3", RZG2L_SINGLE_PIN_PACK(0xb, 4,
1142 		 (PIN_CFG_IOLH_B | PIN_CFG_SR  | PIN_CFG_IO_VMC_QSPI)) },
1143 		{ "QSPI1_SSL", RZG2L_SINGLE_PIN_PACK(0xb, 5,
1144 		 (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1145 	}
1146 };
1147 
1148 static int rzg2l_gpio_get_gpioint(unsigned int virq, const struct rzg2l_pinctrl_data *data)
1149 {
1150 	unsigned int gpioint;
1151 	unsigned int i;
1152 	u32 port, bit;
1153 
1154 	port = virq / 8;
1155 	bit = virq % 8;
1156 
1157 	if (port >= data->n_ports ||
1158 	    bit >= RZG2L_GPIO_PORT_GET_PINCNT(data->port_pin_configs[port]))
1159 		return -EINVAL;
1160 
1161 	gpioint = bit;
1162 	for (i = 0; i < port; i++)
1163 		gpioint += RZG2L_GPIO_PORT_GET_PINCNT(data->port_pin_configs[i]);
1164 
1165 	return gpioint;
1166 }
1167 
1168 static void rzg2l_gpio_irq_disable(struct irq_data *d)
1169 {
1170 	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
1171 	struct rzg2l_pinctrl *pctrl = container_of(gc, struct rzg2l_pinctrl, gpio_chip);
1172 	unsigned int hwirq = irqd_to_hwirq(d);
1173 	unsigned long flags;
1174 	void __iomem *addr;
1175 	u32 port;
1176 	u8 bit;
1177 
1178 	irq_chip_disable_parent(d);
1179 
1180 	port = RZG2L_PIN_ID_TO_PORT(hwirq);
1181 	bit = RZG2L_PIN_ID_TO_PIN(hwirq);
1182 
1183 	addr = pctrl->base + ISEL(port);
1184 	if (bit >= 4) {
1185 		bit -= 4;
1186 		addr += 4;
1187 	}
1188 
1189 	spin_lock_irqsave(&pctrl->lock, flags);
1190 	writel(readl(addr) & ~BIT(bit * 8), addr);
1191 	spin_unlock_irqrestore(&pctrl->lock, flags);
1192 
1193 	gpiochip_disable_irq(gc, hwirq);
1194 }
1195 
1196 static void rzg2l_gpio_irq_enable(struct irq_data *d)
1197 {
1198 	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
1199 	struct rzg2l_pinctrl *pctrl = container_of(gc, struct rzg2l_pinctrl, gpio_chip);
1200 	unsigned int hwirq = irqd_to_hwirq(d);
1201 	unsigned long flags;
1202 	void __iomem *addr;
1203 	u32 port;
1204 	u8 bit;
1205 
1206 	gpiochip_enable_irq(gc, hwirq);
1207 
1208 	port = RZG2L_PIN_ID_TO_PORT(hwirq);
1209 	bit = RZG2L_PIN_ID_TO_PIN(hwirq);
1210 
1211 	addr = pctrl->base + ISEL(port);
1212 	if (bit >= 4) {
1213 		bit -= 4;
1214 		addr += 4;
1215 	}
1216 
1217 	spin_lock_irqsave(&pctrl->lock, flags);
1218 	writel(readl(addr) | BIT(bit * 8), addr);
1219 	spin_unlock_irqrestore(&pctrl->lock, flags);
1220 
1221 	irq_chip_enable_parent(d);
1222 }
1223 
1224 static int rzg2l_gpio_irq_set_type(struct irq_data *d, unsigned int type)
1225 {
1226 	return irq_chip_set_type_parent(d, type);
1227 }
1228 
1229 static void rzg2l_gpio_irqc_eoi(struct irq_data *d)
1230 {
1231 	irq_chip_eoi_parent(d);
1232 }
1233 
1234 static void rzg2l_gpio_irq_print_chip(struct irq_data *data, struct seq_file *p)
1235 {
1236 	struct gpio_chip *gc = irq_data_get_irq_chip_data(data);
1237 
1238 	seq_printf(p, dev_name(gc->parent));
1239 }
1240 
1241 static const struct irq_chip rzg2l_gpio_irqchip = {
1242 	.name = "rzg2l-gpio",
1243 	.irq_disable = rzg2l_gpio_irq_disable,
1244 	.irq_enable = rzg2l_gpio_irq_enable,
1245 	.irq_mask = irq_chip_mask_parent,
1246 	.irq_unmask = irq_chip_unmask_parent,
1247 	.irq_set_type = rzg2l_gpio_irq_set_type,
1248 	.irq_eoi = rzg2l_gpio_irqc_eoi,
1249 	.irq_print_chip = rzg2l_gpio_irq_print_chip,
1250 	.flags = IRQCHIP_IMMUTABLE,
1251 	GPIOCHIP_IRQ_RESOURCE_HELPERS,
1252 };
1253 
1254 static int rzg2l_gpio_child_to_parent_hwirq(struct gpio_chip *gc,
1255 					    unsigned int child,
1256 					    unsigned int child_type,
1257 					    unsigned int *parent,
1258 					    unsigned int *parent_type)
1259 {
1260 	struct rzg2l_pinctrl *pctrl = gpiochip_get_data(gc);
1261 	unsigned long flags;
1262 	int gpioint, irq;
1263 
1264 	gpioint = rzg2l_gpio_get_gpioint(child, pctrl->data);
1265 	if (gpioint < 0)
1266 		return gpioint;
1267 
1268 	spin_lock_irqsave(&pctrl->bitmap_lock, flags);
1269 	irq = bitmap_find_free_region(pctrl->tint_slot, RZG2L_TINT_MAX_INTERRUPT, get_order(1));
1270 	spin_unlock_irqrestore(&pctrl->bitmap_lock, flags);
1271 	if (irq < 0)
1272 		return -ENOSPC;
1273 	pctrl->hwirq[irq] = child;
1274 	irq += RZG2L_TINT_IRQ_START_INDEX;
1275 
1276 	/* All these interrupts are level high in the CPU */
1277 	*parent_type = IRQ_TYPE_LEVEL_HIGH;
1278 	*parent = RZG2L_PACK_HWIRQ(gpioint, irq);
1279 	return 0;
1280 }
1281 
1282 static int rzg2l_gpio_populate_parent_fwspec(struct gpio_chip *chip,
1283 					     union gpio_irq_fwspec *gfwspec,
1284 					     unsigned int parent_hwirq,
1285 					     unsigned int parent_type)
1286 {
1287 	struct irq_fwspec *fwspec = &gfwspec->fwspec;
1288 
1289 	fwspec->fwnode = chip->irq.parent_domain->fwnode;
1290 	fwspec->param_count = 2;
1291 	fwspec->param[0] = parent_hwirq;
1292 	fwspec->param[1] = parent_type;
1293 
1294 	return 0;
1295 }
1296 
1297 static void rzg2l_gpio_irq_domain_free(struct irq_domain *domain, unsigned int virq,
1298 				       unsigned int nr_irqs)
1299 {
1300 	struct irq_data *d;
1301 
1302 	d = irq_domain_get_irq_data(domain, virq);
1303 	if (d) {
1304 		struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
1305 		struct rzg2l_pinctrl *pctrl = container_of(gc, struct rzg2l_pinctrl, gpio_chip);
1306 		irq_hw_number_t hwirq = irqd_to_hwirq(d);
1307 		unsigned long flags;
1308 		unsigned int i;
1309 
1310 		for (i = 0; i < RZG2L_TINT_MAX_INTERRUPT; i++) {
1311 			if (pctrl->hwirq[i] == hwirq) {
1312 				spin_lock_irqsave(&pctrl->bitmap_lock, flags);
1313 				bitmap_release_region(pctrl->tint_slot, i, get_order(1));
1314 				spin_unlock_irqrestore(&pctrl->bitmap_lock, flags);
1315 				pctrl->hwirq[i] = 0;
1316 				break;
1317 			}
1318 		}
1319 	}
1320 	irq_domain_free_irqs_common(domain, virq, nr_irqs);
1321 }
1322 
1323 static void rzg2l_init_irq_valid_mask(struct gpio_chip *gc,
1324 				      unsigned long *valid_mask,
1325 				      unsigned int ngpios)
1326 {
1327 	struct rzg2l_pinctrl *pctrl = gpiochip_get_data(gc);
1328 	struct gpio_chip *chip = &pctrl->gpio_chip;
1329 	unsigned int offset;
1330 
1331 	/* Forbid unused lines to be mapped as IRQs */
1332 	for (offset = 0; offset < chip->ngpio; offset++) {
1333 		u32 port, bit;
1334 
1335 		port = offset / 8;
1336 		bit = offset % 8;
1337 
1338 		if (port >= pctrl->data->n_ports ||
1339 		    bit >= RZG2L_GPIO_PORT_GET_PINCNT(pctrl->data->port_pin_configs[port]))
1340 			clear_bit(offset, valid_mask);
1341 	}
1342 }
1343 
1344 static int rzg2l_gpio_register(struct rzg2l_pinctrl *pctrl)
1345 {
1346 	struct device_node *np = pctrl->dev->of_node;
1347 	struct gpio_chip *chip = &pctrl->gpio_chip;
1348 	const char *name = dev_name(pctrl->dev);
1349 	struct irq_domain *parent_domain;
1350 	struct of_phandle_args of_args;
1351 	struct device_node *parent_np;
1352 	struct gpio_irq_chip *girq;
1353 	int ret;
1354 
1355 	parent_np = of_irq_find_parent(np);
1356 	if (!parent_np)
1357 		return -ENXIO;
1358 
1359 	parent_domain = irq_find_host(parent_np);
1360 	of_node_put(parent_np);
1361 	if (!parent_domain)
1362 		return -EPROBE_DEFER;
1363 
1364 	ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, &of_args);
1365 	if (ret) {
1366 		dev_err(pctrl->dev, "Unable to parse gpio-ranges\n");
1367 		return ret;
1368 	}
1369 
1370 	if (of_args.args[0] != 0 || of_args.args[1] != 0 ||
1371 	    of_args.args[2] != pctrl->data->n_port_pins) {
1372 		dev_err(pctrl->dev, "gpio-ranges does not match selected SOC\n");
1373 		return -EINVAL;
1374 	}
1375 
1376 	chip->names = pctrl->data->port_pins;
1377 	chip->request = rzg2l_gpio_request;
1378 	chip->free = rzg2l_gpio_free;
1379 	chip->get_direction = rzg2l_gpio_get_direction;
1380 	chip->direction_input = rzg2l_gpio_direction_input;
1381 	chip->direction_output = rzg2l_gpio_direction_output;
1382 	chip->get = rzg2l_gpio_get;
1383 	chip->set = rzg2l_gpio_set;
1384 	chip->label = name;
1385 	chip->parent = pctrl->dev;
1386 	chip->owner = THIS_MODULE;
1387 	chip->base = -1;
1388 	chip->ngpio = of_args.args[2];
1389 
1390 	girq = &chip->irq;
1391 	gpio_irq_chip_set_chip(girq, &rzg2l_gpio_irqchip);
1392 	girq->fwnode = of_node_to_fwnode(np);
1393 	girq->parent_domain = parent_domain;
1394 	girq->child_to_parent_hwirq = rzg2l_gpio_child_to_parent_hwirq;
1395 	girq->populate_parent_alloc_arg = rzg2l_gpio_populate_parent_fwspec;
1396 	girq->child_irq_domain_ops.free = rzg2l_gpio_irq_domain_free;
1397 	girq->init_valid_mask = rzg2l_init_irq_valid_mask;
1398 
1399 	pctrl->gpio_range.id = 0;
1400 	pctrl->gpio_range.pin_base = 0;
1401 	pctrl->gpio_range.base = 0;
1402 	pctrl->gpio_range.npins = chip->ngpio;
1403 	pctrl->gpio_range.name = chip->label;
1404 	pctrl->gpio_range.gc = chip;
1405 	ret = devm_gpiochip_add_data(pctrl->dev, chip, pctrl);
1406 	if (ret) {
1407 		dev_err(pctrl->dev, "failed to add GPIO controller\n");
1408 		return ret;
1409 	}
1410 
1411 	dev_dbg(pctrl->dev, "Registered gpio controller\n");
1412 
1413 	return 0;
1414 }
1415 
1416 static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl)
1417 {
1418 	struct pinctrl_pin_desc *pins;
1419 	unsigned int i, j;
1420 	u32 *pin_data;
1421 	int ret;
1422 
1423 	pctrl->desc.name = DRV_NAME;
1424 	pctrl->desc.npins = pctrl->data->n_port_pins + pctrl->data->n_dedicated_pins;
1425 	pctrl->desc.pctlops = &rzg2l_pinctrl_pctlops;
1426 	pctrl->desc.pmxops = &rzg2l_pinctrl_pmxops;
1427 	pctrl->desc.confops = &rzg2l_pinctrl_confops;
1428 	pctrl->desc.owner = THIS_MODULE;
1429 
1430 	pins = devm_kcalloc(pctrl->dev, pctrl->desc.npins, sizeof(*pins), GFP_KERNEL);
1431 	if (!pins)
1432 		return -ENOMEM;
1433 
1434 	pin_data = devm_kcalloc(pctrl->dev, pctrl->desc.npins,
1435 				sizeof(*pin_data), GFP_KERNEL);
1436 	if (!pin_data)
1437 		return -ENOMEM;
1438 
1439 	pctrl->pins = pins;
1440 	pctrl->desc.pins = pins;
1441 
1442 	for (i = 0, j = 0; i < pctrl->data->n_port_pins; i++) {
1443 		pins[i].number = i;
1444 		pins[i].name = pctrl->data->port_pins[i];
1445 		if (i && !(i % RZG2L_PINS_PER_PORT))
1446 			j++;
1447 		pin_data[i] = pctrl->data->port_pin_configs[j];
1448 		pins[i].drv_data = &pin_data[i];
1449 	}
1450 
1451 	for (i = 0; i < pctrl->data->n_dedicated_pins; i++) {
1452 		unsigned int index = pctrl->data->n_port_pins + i;
1453 
1454 		pins[index].number = index;
1455 		pins[index].name = pctrl->data->dedicated_pins[i].name;
1456 		pin_data[index] = pctrl->data->dedicated_pins[i].config;
1457 		pins[index].drv_data = &pin_data[index];
1458 	}
1459 
1460 	ret = devm_pinctrl_register_and_init(pctrl->dev, &pctrl->desc, pctrl,
1461 					     &pctrl->pctl);
1462 	if (ret) {
1463 		dev_err(pctrl->dev, "pinctrl registration failed\n");
1464 		return ret;
1465 	}
1466 
1467 	ret = pinctrl_enable(pctrl->pctl);
1468 	if (ret) {
1469 		dev_err(pctrl->dev, "pinctrl enable failed\n");
1470 		return ret;
1471 	}
1472 
1473 	ret = rzg2l_gpio_register(pctrl);
1474 	if (ret) {
1475 		dev_err(pctrl->dev, "failed to add GPIO chip: %i\n", ret);
1476 		return ret;
1477 	}
1478 
1479 	return 0;
1480 }
1481 
1482 static int rzg2l_pinctrl_probe(struct platform_device *pdev)
1483 {
1484 	struct rzg2l_pinctrl *pctrl;
1485 	struct clk *clk;
1486 	int ret;
1487 
1488 	BUILD_BUG_ON(ARRAY_SIZE(rzg2l_gpio_configs) * RZG2L_PINS_PER_PORT >
1489 		     ARRAY_SIZE(rzg2l_gpio_names));
1490 
1491 	BUILD_BUG_ON(ARRAY_SIZE(r9a07g043_gpio_configs) * RZG2L_PINS_PER_PORT >
1492 		     ARRAY_SIZE(rzg2l_gpio_names));
1493 
1494 	pctrl = devm_kzalloc(&pdev->dev, sizeof(*pctrl), GFP_KERNEL);
1495 	if (!pctrl)
1496 		return -ENOMEM;
1497 
1498 	pctrl->dev = &pdev->dev;
1499 
1500 	pctrl->data = of_device_get_match_data(&pdev->dev);
1501 	if (!pctrl->data)
1502 		return -EINVAL;
1503 
1504 	pctrl->base = devm_platform_ioremap_resource(pdev, 0);
1505 	if (IS_ERR(pctrl->base))
1506 		return PTR_ERR(pctrl->base);
1507 
1508 	clk = devm_clk_get_enabled(pctrl->dev, NULL);
1509 	if (IS_ERR(clk))
1510 		return dev_err_probe(pctrl->dev, PTR_ERR(clk),
1511 				     "failed to enable GPIO clk\n");
1512 
1513 	spin_lock_init(&pctrl->lock);
1514 	spin_lock_init(&pctrl->bitmap_lock);
1515 	mutex_init(&pctrl->mutex);
1516 
1517 	platform_set_drvdata(pdev, pctrl);
1518 
1519 	ret = rzg2l_pinctrl_register(pctrl);
1520 	if (ret)
1521 		return ret;
1522 
1523 	dev_info(pctrl->dev, "%s support registered\n", DRV_NAME);
1524 	return 0;
1525 }
1526 
1527 static struct rzg2l_pinctrl_data r9a07g043_data = {
1528 	.port_pins = rzg2l_gpio_names,
1529 	.port_pin_configs = r9a07g043_gpio_configs,
1530 	.n_ports = ARRAY_SIZE(r9a07g043_gpio_configs),
1531 	.dedicated_pins = rzg2l_dedicated_pins.common,
1532 	.n_port_pins = ARRAY_SIZE(r9a07g043_gpio_configs) * RZG2L_PINS_PER_PORT,
1533 	.n_dedicated_pins = ARRAY_SIZE(rzg2l_dedicated_pins.common),
1534 };
1535 
1536 static struct rzg2l_pinctrl_data r9a07g044_data = {
1537 	.port_pins = rzg2l_gpio_names,
1538 	.port_pin_configs = rzg2l_gpio_configs,
1539 	.n_ports = ARRAY_SIZE(rzg2l_gpio_configs),
1540 	.dedicated_pins = rzg2l_dedicated_pins.common,
1541 	.n_port_pins = ARRAY_SIZE(rzg2l_gpio_configs) * RZG2L_PINS_PER_PORT,
1542 	.n_dedicated_pins = ARRAY_SIZE(rzg2l_dedicated_pins.common) +
1543 		ARRAY_SIZE(rzg2l_dedicated_pins.rzg2l_pins),
1544 };
1545 
1546 static const struct of_device_id rzg2l_pinctrl_of_table[] = {
1547 	{
1548 		.compatible = "renesas,r9a07g043-pinctrl",
1549 		.data = &r9a07g043_data,
1550 	},
1551 	{
1552 		.compatible = "renesas,r9a07g044-pinctrl",
1553 		.data = &r9a07g044_data,
1554 	},
1555 	{ /* sentinel */ }
1556 };
1557 
1558 static struct platform_driver rzg2l_pinctrl_driver = {
1559 	.driver = {
1560 		.name = DRV_NAME,
1561 		.of_match_table = of_match_ptr(rzg2l_pinctrl_of_table),
1562 	},
1563 	.probe = rzg2l_pinctrl_probe,
1564 };
1565 
1566 static int __init rzg2l_pinctrl_init(void)
1567 {
1568 	return platform_driver_register(&rzg2l_pinctrl_driver);
1569 }
1570 core_initcall(rzg2l_pinctrl_init);
1571 
1572 MODULE_AUTHOR("Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>");
1573 MODULE_DESCRIPTION("Pin and gpio controller driver for RZ/G2L family");
1574