xref: /openbmc/u-boot/drivers/pinctrl/renesas/pfc.c (revision d1fe3182fa0d56a84cb8832bc92b717a2a17d1ad)
1910df4d0SMarek Vasut /*
2910df4d0SMarek Vasut  * Pin Control driver for SuperH Pin Function Controller.
3910df4d0SMarek Vasut  *
4910df4d0SMarek Vasut  * Authors: Magnus Damm, Paul Mundt, Laurent Pinchart
5910df4d0SMarek Vasut  *
6910df4d0SMarek Vasut  * Copyright (C) 2008 Magnus Damm
7910df4d0SMarek Vasut  * Copyright (C) 2009 - 2012 Paul Mundt
8910df4d0SMarek Vasut  * Copyright (C) 2017 Marek Vasut
9910df4d0SMarek Vasut  *
10910df4d0SMarek Vasut  * SPDX-License-Identifier:	GPL-2.0
11910df4d0SMarek Vasut  */
12910df4d0SMarek Vasut 
13910df4d0SMarek Vasut #define DRV_NAME "sh-pfc"
14910df4d0SMarek Vasut 
15910df4d0SMarek Vasut #include <common.h>
16910df4d0SMarek Vasut #include <dm.h>
17910df4d0SMarek Vasut #include <errno.h>
18910df4d0SMarek Vasut #include <dm/pinctrl.h>
19910df4d0SMarek Vasut #include <linux/io.h>
20910df4d0SMarek Vasut #include <linux/sizes.h>
21910df4d0SMarek Vasut 
22910df4d0SMarek Vasut #include "sh_pfc.h"
23910df4d0SMarek Vasut 
24910df4d0SMarek Vasut DECLARE_GLOBAL_DATA_PTR;
25910df4d0SMarek Vasut 
26910df4d0SMarek Vasut enum sh_pfc_model {
277547ad4cSMarek Vasut 	SH_PFC_R8A7790 = 0,
28427c75dfSMarek Vasut 	SH_PFC_R8A7791,
29ab2d09b4SMarek Vasut 	SH_PFC_R8A7792,
30427c75dfSMarek Vasut 	SH_PFC_R8A7793,
3134e93605SMarek Vasut 	SH_PFC_R8A7794,
327547ad4cSMarek Vasut 	SH_PFC_R8A7795,
33910df4d0SMarek Vasut 	SH_PFC_R8A7796,
34c106bb53SMarek Vasut 	SH_PFC_R8A77970,
35a59e6976SMarek Vasut 	SH_PFC_R8A77995,
36910df4d0SMarek Vasut };
37910df4d0SMarek Vasut 
38910df4d0SMarek Vasut struct sh_pfc_pin_config {
39910df4d0SMarek Vasut 	u32 type;
40910df4d0SMarek Vasut };
41910df4d0SMarek Vasut 
42910df4d0SMarek Vasut struct sh_pfc_pinctrl {
43910df4d0SMarek Vasut 	struct sh_pfc *pfc;
44910df4d0SMarek Vasut 
45910df4d0SMarek Vasut 	struct sh_pfc_pin_config *configs;
46910df4d0SMarek Vasut 
47910df4d0SMarek Vasut 	const char *func_prop_name;
48910df4d0SMarek Vasut 	const char *groups_prop_name;
49910df4d0SMarek Vasut 	const char *pins_prop_name;
50910df4d0SMarek Vasut };
51910df4d0SMarek Vasut 
52910df4d0SMarek Vasut struct sh_pfc_pin_range {
53910df4d0SMarek Vasut 	u16 start;
54910df4d0SMarek Vasut 	u16 end;
55910df4d0SMarek Vasut };
56910df4d0SMarek Vasut 
57910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv {
58910df4d0SMarek Vasut 	struct sh_pfc			pfc;
59910df4d0SMarek Vasut 	struct sh_pfc_pinctrl		pmx;
60910df4d0SMarek Vasut };
61910df4d0SMarek Vasut 
62910df4d0SMarek Vasut int sh_pfc_get_pin_index(struct sh_pfc *pfc, unsigned int pin)
63910df4d0SMarek Vasut {
64910df4d0SMarek Vasut 	unsigned int offset;
65910df4d0SMarek Vasut 	unsigned int i;
66910df4d0SMarek Vasut 
67910df4d0SMarek Vasut 	for (i = 0, offset = 0; i < pfc->nr_ranges; ++i) {
68910df4d0SMarek Vasut 		const struct sh_pfc_pin_range *range = &pfc->ranges[i];
69910df4d0SMarek Vasut 
70910df4d0SMarek Vasut 		if (pin <= range->end)
71910df4d0SMarek Vasut 			return pin >= range->start
72910df4d0SMarek Vasut 			     ? offset + pin - range->start : -1;
73910df4d0SMarek Vasut 
74910df4d0SMarek Vasut 		offset += range->end - range->start + 1;
75910df4d0SMarek Vasut 	}
76910df4d0SMarek Vasut 
77910df4d0SMarek Vasut 	return -EINVAL;
78910df4d0SMarek Vasut }
79910df4d0SMarek Vasut 
80910df4d0SMarek Vasut static int sh_pfc_enum_in_range(u16 enum_id, const struct pinmux_range *r)
81910df4d0SMarek Vasut {
82910df4d0SMarek Vasut 	if (enum_id < r->begin)
83910df4d0SMarek Vasut 		return 0;
84910df4d0SMarek Vasut 
85910df4d0SMarek Vasut 	if (enum_id > r->end)
86910df4d0SMarek Vasut 		return 0;
87910df4d0SMarek Vasut 
88910df4d0SMarek Vasut 	return 1;
89910df4d0SMarek Vasut }
90910df4d0SMarek Vasut 
91910df4d0SMarek Vasut u32 sh_pfc_read_raw_reg(void __iomem *mapped_reg, unsigned int reg_width)
92910df4d0SMarek Vasut {
93910df4d0SMarek Vasut 	switch (reg_width) {
94910df4d0SMarek Vasut 	case 8:
95910df4d0SMarek Vasut 		return readb(mapped_reg);
96910df4d0SMarek Vasut 	case 16:
97910df4d0SMarek Vasut 		return readw(mapped_reg);
98910df4d0SMarek Vasut 	case 32:
99910df4d0SMarek Vasut 		return readl(mapped_reg);
100910df4d0SMarek Vasut 	}
101910df4d0SMarek Vasut 
102910df4d0SMarek Vasut 	BUG();
103910df4d0SMarek Vasut 	return 0;
104910df4d0SMarek Vasut }
105910df4d0SMarek Vasut 
106910df4d0SMarek Vasut void sh_pfc_write_raw_reg(void __iomem *mapped_reg, unsigned int reg_width,
107910df4d0SMarek Vasut 			  u32 data)
108910df4d0SMarek Vasut {
109910df4d0SMarek Vasut 	switch (reg_width) {
110910df4d0SMarek Vasut 	case 8:
111910df4d0SMarek Vasut 		writeb(data, mapped_reg);
112910df4d0SMarek Vasut 		return;
113910df4d0SMarek Vasut 	case 16:
114910df4d0SMarek Vasut 		writew(data, mapped_reg);
115910df4d0SMarek Vasut 		return;
116910df4d0SMarek Vasut 	case 32:
117910df4d0SMarek Vasut 		writel(data, mapped_reg);
118910df4d0SMarek Vasut 		return;
119910df4d0SMarek Vasut 	}
120910df4d0SMarek Vasut 
121910df4d0SMarek Vasut 	BUG();
122910df4d0SMarek Vasut }
123910df4d0SMarek Vasut 
124910df4d0SMarek Vasut u32 sh_pfc_read_reg(struct sh_pfc *pfc, u32 reg, unsigned int width)
125910df4d0SMarek Vasut {
126910df4d0SMarek Vasut 	return sh_pfc_read_raw_reg(pfc->regs + reg, width);
127910df4d0SMarek Vasut }
128910df4d0SMarek Vasut 
129910df4d0SMarek Vasut void sh_pfc_write_reg(struct sh_pfc *pfc, u32 reg, unsigned int width, u32 data)
130910df4d0SMarek Vasut {
131910df4d0SMarek Vasut 	void __iomem *unlock_reg =
132910df4d0SMarek Vasut 		(void __iomem *)(uintptr_t)pfc->info->unlock_reg;
133910df4d0SMarek Vasut 
134910df4d0SMarek Vasut 	if (pfc->info->unlock_reg)
135910df4d0SMarek Vasut 		sh_pfc_write_raw_reg(unlock_reg, 32, ~data);
136910df4d0SMarek Vasut 
137910df4d0SMarek Vasut 	sh_pfc_write_raw_reg(pfc->regs + reg, width, data);
138910df4d0SMarek Vasut }
139910df4d0SMarek Vasut 
140910df4d0SMarek Vasut static void sh_pfc_config_reg_helper(struct sh_pfc *pfc,
141910df4d0SMarek Vasut 				     const struct pinmux_cfg_reg *crp,
142910df4d0SMarek Vasut 				     unsigned int in_pos,
143910df4d0SMarek Vasut 				     void __iomem **mapped_regp, u32 *maskp,
144910df4d0SMarek Vasut 				     unsigned int *posp)
145910df4d0SMarek Vasut {
146910df4d0SMarek Vasut 	unsigned int k;
147910df4d0SMarek Vasut 
148910df4d0SMarek Vasut 	*mapped_regp = (void __iomem *)(uintptr_t)crp->reg;
149910df4d0SMarek Vasut 
150910df4d0SMarek Vasut 	if (crp->field_width) {
151910df4d0SMarek Vasut 		*maskp = (1 << crp->field_width) - 1;
152910df4d0SMarek Vasut 		*posp = crp->reg_width - ((in_pos + 1) * crp->field_width);
153910df4d0SMarek Vasut 	} else {
154910df4d0SMarek Vasut 		*maskp = (1 << crp->var_field_width[in_pos]) - 1;
155910df4d0SMarek Vasut 		*posp = crp->reg_width;
156910df4d0SMarek Vasut 		for (k = 0; k <= in_pos; k++)
157910df4d0SMarek Vasut 			*posp -= crp->var_field_width[k];
158910df4d0SMarek Vasut 	}
159910df4d0SMarek Vasut }
160910df4d0SMarek Vasut 
161910df4d0SMarek Vasut static void sh_pfc_write_config_reg(struct sh_pfc *pfc,
162910df4d0SMarek Vasut 				    const struct pinmux_cfg_reg *crp,
163910df4d0SMarek Vasut 				    unsigned int field, u32 value)
164910df4d0SMarek Vasut {
165910df4d0SMarek Vasut 	void __iomem *mapped_reg;
166910df4d0SMarek Vasut 	void __iomem *unlock_reg =
167910df4d0SMarek Vasut 		(void __iomem *)(uintptr_t)pfc->info->unlock_reg;
168910df4d0SMarek Vasut 	unsigned int pos;
169910df4d0SMarek Vasut 	u32 mask, data;
170910df4d0SMarek Vasut 
171910df4d0SMarek Vasut 	sh_pfc_config_reg_helper(pfc, crp, field, &mapped_reg, &mask, &pos);
172910df4d0SMarek Vasut 
173910df4d0SMarek Vasut 	dev_dbg(pfc->dev, "write_reg addr = %x, value = 0x%x, field = %u, "
174910df4d0SMarek Vasut 		"r_width = %u, f_width = %u\n",
175910df4d0SMarek Vasut 		crp->reg, value, field, crp->reg_width, crp->field_width);
176910df4d0SMarek Vasut 
177910df4d0SMarek Vasut 	mask = ~(mask << pos);
178910df4d0SMarek Vasut 	value = value << pos;
179910df4d0SMarek Vasut 
180910df4d0SMarek Vasut 	data = sh_pfc_read_raw_reg(mapped_reg, crp->reg_width);
181910df4d0SMarek Vasut 	data &= mask;
182910df4d0SMarek Vasut 	data |= value;
183910df4d0SMarek Vasut 
184910df4d0SMarek Vasut 	if (pfc->info->unlock_reg)
185910df4d0SMarek Vasut 		sh_pfc_write_raw_reg(unlock_reg, 32, ~data);
186910df4d0SMarek Vasut 
187910df4d0SMarek Vasut 	sh_pfc_write_raw_reg(mapped_reg, crp->reg_width, data);
188910df4d0SMarek Vasut }
189910df4d0SMarek Vasut 
190910df4d0SMarek Vasut static int sh_pfc_get_config_reg(struct sh_pfc *pfc, u16 enum_id,
191910df4d0SMarek Vasut 				 const struct pinmux_cfg_reg **crp,
192910df4d0SMarek Vasut 				 unsigned int *fieldp, u32 *valuep)
193910df4d0SMarek Vasut {
194910df4d0SMarek Vasut 	unsigned int k = 0;
195910df4d0SMarek Vasut 
196910df4d0SMarek Vasut 	while (1) {
197910df4d0SMarek Vasut 		const struct pinmux_cfg_reg *config_reg =
198910df4d0SMarek Vasut 			pfc->info->cfg_regs + k;
199910df4d0SMarek Vasut 		unsigned int r_width = config_reg->reg_width;
200910df4d0SMarek Vasut 		unsigned int f_width = config_reg->field_width;
201910df4d0SMarek Vasut 		unsigned int curr_width;
202910df4d0SMarek Vasut 		unsigned int bit_pos;
203910df4d0SMarek Vasut 		unsigned int pos = 0;
204910df4d0SMarek Vasut 		unsigned int m = 0;
205910df4d0SMarek Vasut 
206910df4d0SMarek Vasut 		if (!r_width)
207910df4d0SMarek Vasut 			break;
208910df4d0SMarek Vasut 
209910df4d0SMarek Vasut 		for (bit_pos = 0; bit_pos < r_width; bit_pos += curr_width) {
210910df4d0SMarek Vasut 			u32 ncomb;
211910df4d0SMarek Vasut 			u32 n;
212910df4d0SMarek Vasut 
213910df4d0SMarek Vasut 			if (f_width)
214910df4d0SMarek Vasut 				curr_width = f_width;
215910df4d0SMarek Vasut 			else
216910df4d0SMarek Vasut 				curr_width = config_reg->var_field_width[m];
217910df4d0SMarek Vasut 
218910df4d0SMarek Vasut 			ncomb = 1 << curr_width;
219910df4d0SMarek Vasut 			for (n = 0; n < ncomb; n++) {
220910df4d0SMarek Vasut 				if (config_reg->enum_ids[pos + n] == enum_id) {
221910df4d0SMarek Vasut 					*crp = config_reg;
222910df4d0SMarek Vasut 					*fieldp = m;
223910df4d0SMarek Vasut 					*valuep = n;
224910df4d0SMarek Vasut 					return 0;
225910df4d0SMarek Vasut 				}
226910df4d0SMarek Vasut 			}
227910df4d0SMarek Vasut 			pos += ncomb;
228910df4d0SMarek Vasut 			m++;
229910df4d0SMarek Vasut 		}
230910df4d0SMarek Vasut 		k++;
231910df4d0SMarek Vasut 	}
232910df4d0SMarek Vasut 
233910df4d0SMarek Vasut 	return -EINVAL;
234910df4d0SMarek Vasut }
235910df4d0SMarek Vasut 
236910df4d0SMarek Vasut static int sh_pfc_mark_to_enum(struct sh_pfc *pfc, u16 mark, int pos,
237910df4d0SMarek Vasut 			      u16 *enum_idp)
238910df4d0SMarek Vasut {
239910df4d0SMarek Vasut 	const u16 *data = pfc->info->pinmux_data;
240910df4d0SMarek Vasut 	unsigned int k;
241910df4d0SMarek Vasut 
242910df4d0SMarek Vasut 	if (pos) {
243910df4d0SMarek Vasut 		*enum_idp = data[pos + 1];
244910df4d0SMarek Vasut 		return pos + 1;
245910df4d0SMarek Vasut 	}
246910df4d0SMarek Vasut 
247910df4d0SMarek Vasut 	for (k = 0; k < pfc->info->pinmux_data_size; k++) {
248910df4d0SMarek Vasut 		if (data[k] == mark) {
249910df4d0SMarek Vasut 			*enum_idp = data[k + 1];
250910df4d0SMarek Vasut 			return k + 1;
251910df4d0SMarek Vasut 		}
252910df4d0SMarek Vasut 	}
253910df4d0SMarek Vasut 
254910df4d0SMarek Vasut 	dev_err(pfc->dev, "cannot locate data/mark enum_id for mark %d\n",
255910df4d0SMarek Vasut 		mark);
256910df4d0SMarek Vasut 	return -EINVAL;
257910df4d0SMarek Vasut }
258910df4d0SMarek Vasut 
259910df4d0SMarek Vasut int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type)
260910df4d0SMarek Vasut {
261910df4d0SMarek Vasut 	const struct pinmux_range *range;
262910df4d0SMarek Vasut 	int pos = 0;
263910df4d0SMarek Vasut 
264910df4d0SMarek Vasut 	switch (pinmux_type) {
265910df4d0SMarek Vasut 	case PINMUX_TYPE_GPIO:
266910df4d0SMarek Vasut 	case PINMUX_TYPE_FUNCTION:
267910df4d0SMarek Vasut 		range = NULL;
268910df4d0SMarek Vasut 		break;
269910df4d0SMarek Vasut 
270910df4d0SMarek Vasut 	case PINMUX_TYPE_OUTPUT:
271910df4d0SMarek Vasut 		range = &pfc->info->output;
272910df4d0SMarek Vasut 		break;
273910df4d0SMarek Vasut 
274910df4d0SMarek Vasut 	case PINMUX_TYPE_INPUT:
275910df4d0SMarek Vasut 		range = &pfc->info->input;
276910df4d0SMarek Vasut 		break;
277910df4d0SMarek Vasut 
278910df4d0SMarek Vasut 	default:
279910df4d0SMarek Vasut 		return -EINVAL;
280910df4d0SMarek Vasut 	}
281910df4d0SMarek Vasut 
282910df4d0SMarek Vasut 	/* Iterate over all the configuration fields we need to update. */
283910df4d0SMarek Vasut 	while (1) {
284910df4d0SMarek Vasut 		const struct pinmux_cfg_reg *cr;
285910df4d0SMarek Vasut 		unsigned int field;
286910df4d0SMarek Vasut 		u16 enum_id;
287910df4d0SMarek Vasut 		u32 value;
288910df4d0SMarek Vasut 		int in_range;
289910df4d0SMarek Vasut 		int ret;
290910df4d0SMarek Vasut 
291910df4d0SMarek Vasut 		pos = sh_pfc_mark_to_enum(pfc, mark, pos, &enum_id);
292910df4d0SMarek Vasut 		if (pos < 0)
293910df4d0SMarek Vasut 			return pos;
294910df4d0SMarek Vasut 
295910df4d0SMarek Vasut 		if (!enum_id)
296910df4d0SMarek Vasut 			break;
297910df4d0SMarek Vasut 
298910df4d0SMarek Vasut 		/* Check if the configuration field selects a function. If it
299910df4d0SMarek Vasut 		 * doesn't, skip the field if it's not applicable to the
300910df4d0SMarek Vasut 		 * requested pinmux type.
301910df4d0SMarek Vasut 		 */
302910df4d0SMarek Vasut 		in_range = sh_pfc_enum_in_range(enum_id, &pfc->info->function);
303910df4d0SMarek Vasut 		if (!in_range) {
304910df4d0SMarek Vasut 			if (pinmux_type == PINMUX_TYPE_FUNCTION) {
305910df4d0SMarek Vasut 				/* Functions are allowed to modify all
306910df4d0SMarek Vasut 				 * fields.
307910df4d0SMarek Vasut 				 */
308910df4d0SMarek Vasut 				in_range = 1;
309910df4d0SMarek Vasut 			} else if (pinmux_type != PINMUX_TYPE_GPIO) {
310910df4d0SMarek Vasut 				/* Input/output types can only modify fields
311910df4d0SMarek Vasut 				 * that correspond to their respective ranges.
312910df4d0SMarek Vasut 				 */
313910df4d0SMarek Vasut 				in_range = sh_pfc_enum_in_range(enum_id, range);
314910df4d0SMarek Vasut 
315910df4d0SMarek Vasut 				/*
316910df4d0SMarek Vasut 				 * special case pass through for fixed
317910df4d0SMarek Vasut 				 * input-only or output-only pins without
318910df4d0SMarek Vasut 				 * function enum register association.
319910df4d0SMarek Vasut 				 */
320910df4d0SMarek Vasut 				if (in_range && enum_id == range->force)
321910df4d0SMarek Vasut 					continue;
322910df4d0SMarek Vasut 			}
323910df4d0SMarek Vasut 			/* GPIOs are only allowed to modify function fields. */
324910df4d0SMarek Vasut 		}
325910df4d0SMarek Vasut 
326910df4d0SMarek Vasut 		if (!in_range)
327910df4d0SMarek Vasut 			continue;
328910df4d0SMarek Vasut 
329910df4d0SMarek Vasut 		ret = sh_pfc_get_config_reg(pfc, enum_id, &cr, &field, &value);
330910df4d0SMarek Vasut 		if (ret < 0)
331910df4d0SMarek Vasut 			return ret;
332910df4d0SMarek Vasut 
333910df4d0SMarek Vasut 		sh_pfc_write_config_reg(pfc, cr, field, value);
334910df4d0SMarek Vasut 	}
335910df4d0SMarek Vasut 
336910df4d0SMarek Vasut 	return 0;
337910df4d0SMarek Vasut }
338910df4d0SMarek Vasut 
339910df4d0SMarek Vasut const struct sh_pfc_bias_info *
340910df4d0SMarek Vasut sh_pfc_pin_to_bias_info(const struct sh_pfc_bias_info *info,
341910df4d0SMarek Vasut 			unsigned int num, unsigned int pin)
342910df4d0SMarek Vasut {
343910df4d0SMarek Vasut 	unsigned int i;
344910df4d0SMarek Vasut 
345910df4d0SMarek Vasut 	for (i = 0; i < num; i++)
346910df4d0SMarek Vasut 		if (info[i].pin == pin)
347910df4d0SMarek Vasut 			return &info[i];
348910df4d0SMarek Vasut 
349910df4d0SMarek Vasut 	printf("Pin %u is not in bias info list\n", pin);
350910df4d0SMarek Vasut 
351910df4d0SMarek Vasut 	return NULL;
352910df4d0SMarek Vasut }
353910df4d0SMarek Vasut 
354910df4d0SMarek Vasut static int sh_pfc_init_ranges(struct sh_pfc *pfc)
355910df4d0SMarek Vasut {
356910df4d0SMarek Vasut 	struct sh_pfc_pin_range *range;
357910df4d0SMarek Vasut 	unsigned int nr_ranges;
358910df4d0SMarek Vasut 	unsigned int i;
359910df4d0SMarek Vasut 
360910df4d0SMarek Vasut 	if (pfc->info->pins[0].pin == (u16)-1) {
361910df4d0SMarek Vasut 		/* Pin number -1 denotes that the SoC doesn't report pin numbers
362910df4d0SMarek Vasut 		 * in its pin arrays yet. Consider the pin numbers range as
363910df4d0SMarek Vasut 		 * continuous and allocate a single range.
364910df4d0SMarek Vasut 		 */
365910df4d0SMarek Vasut 		pfc->nr_ranges = 1;
366910df4d0SMarek Vasut 		pfc->ranges = kzalloc(sizeof(*pfc->ranges), GFP_KERNEL);
367910df4d0SMarek Vasut 		if (pfc->ranges == NULL)
368910df4d0SMarek Vasut 			return -ENOMEM;
369910df4d0SMarek Vasut 
370910df4d0SMarek Vasut 		pfc->ranges->start = 0;
371910df4d0SMarek Vasut 		pfc->ranges->end = pfc->info->nr_pins - 1;
372910df4d0SMarek Vasut 		pfc->nr_gpio_pins = pfc->info->nr_pins;
373910df4d0SMarek Vasut 
374910df4d0SMarek Vasut 		return 0;
375910df4d0SMarek Vasut 	}
376910df4d0SMarek Vasut 
377910df4d0SMarek Vasut 	/* Count, allocate and fill the ranges. The PFC SoC data pins array must
378910df4d0SMarek Vasut 	 * be sorted by pin numbers, and pins without a GPIO port must come
379910df4d0SMarek Vasut 	 * last.
380910df4d0SMarek Vasut 	 */
381910df4d0SMarek Vasut 	for (i = 1, nr_ranges = 1; i < pfc->info->nr_pins; ++i) {
382910df4d0SMarek Vasut 		if (pfc->info->pins[i-1].pin != pfc->info->pins[i].pin - 1)
383910df4d0SMarek Vasut 			nr_ranges++;
384910df4d0SMarek Vasut 	}
385910df4d0SMarek Vasut 
386910df4d0SMarek Vasut 	pfc->nr_ranges = nr_ranges;
387910df4d0SMarek Vasut 	pfc->ranges = kzalloc(sizeof(*pfc->ranges) * nr_ranges, GFP_KERNEL);
388910df4d0SMarek Vasut 	if (pfc->ranges == NULL)
389910df4d0SMarek Vasut 		return -ENOMEM;
390910df4d0SMarek Vasut 
391910df4d0SMarek Vasut 	range = pfc->ranges;
392910df4d0SMarek Vasut 	range->start = pfc->info->pins[0].pin;
393910df4d0SMarek Vasut 
394910df4d0SMarek Vasut 	for (i = 1; i < pfc->info->nr_pins; ++i) {
395910df4d0SMarek Vasut 		if (pfc->info->pins[i-1].pin == pfc->info->pins[i].pin - 1)
396910df4d0SMarek Vasut 			continue;
397910df4d0SMarek Vasut 
398910df4d0SMarek Vasut 		range->end = pfc->info->pins[i-1].pin;
399910df4d0SMarek Vasut 		if (!(pfc->info->pins[i-1].configs & SH_PFC_PIN_CFG_NO_GPIO))
400910df4d0SMarek Vasut 			pfc->nr_gpio_pins = range->end + 1;
401910df4d0SMarek Vasut 
402910df4d0SMarek Vasut 		range++;
403910df4d0SMarek Vasut 		range->start = pfc->info->pins[i].pin;
404910df4d0SMarek Vasut 	}
405910df4d0SMarek Vasut 
406910df4d0SMarek Vasut 	range->end = pfc->info->pins[i-1].pin;
407910df4d0SMarek Vasut 	if (!(pfc->info->pins[i-1].configs & SH_PFC_PIN_CFG_NO_GPIO))
408910df4d0SMarek Vasut 		pfc->nr_gpio_pins = range->end + 1;
409910df4d0SMarek Vasut 
410910df4d0SMarek Vasut 	return 0;
411910df4d0SMarek Vasut }
412910df4d0SMarek Vasut 
413910df4d0SMarek Vasut static int sh_pfc_pinctrl_get_pins_count(struct udevice *dev)
414910df4d0SMarek Vasut {
415910df4d0SMarek Vasut 	struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev);
416910df4d0SMarek Vasut 
417910df4d0SMarek Vasut 	return priv->pfc.info->nr_pins;
418910df4d0SMarek Vasut }
419910df4d0SMarek Vasut 
420910df4d0SMarek Vasut static const char *sh_pfc_pinctrl_get_pin_name(struct udevice *dev,
421910df4d0SMarek Vasut 						  unsigned selector)
422910df4d0SMarek Vasut {
423910df4d0SMarek Vasut 	struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev);
424910df4d0SMarek Vasut 
425910df4d0SMarek Vasut 	return priv->pfc.info->pins[selector].name;
426910df4d0SMarek Vasut }
427910df4d0SMarek Vasut 
428910df4d0SMarek Vasut static int sh_pfc_pinctrl_get_groups_count(struct udevice *dev)
429910df4d0SMarek Vasut {
430910df4d0SMarek Vasut 	struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev);
431910df4d0SMarek Vasut 
432910df4d0SMarek Vasut 	return priv->pfc.info->nr_groups;
433910df4d0SMarek Vasut }
434910df4d0SMarek Vasut 
435910df4d0SMarek Vasut static const char *sh_pfc_pinctrl_get_group_name(struct udevice *dev,
436910df4d0SMarek Vasut 						  unsigned selector)
437910df4d0SMarek Vasut {
438910df4d0SMarek Vasut 	struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev);
439910df4d0SMarek Vasut 
440910df4d0SMarek Vasut 	return priv->pfc.info->groups[selector].name;
441910df4d0SMarek Vasut }
442910df4d0SMarek Vasut 
443910df4d0SMarek Vasut static int sh_pfc_pinctrl_get_functions_count(struct udevice *dev)
444910df4d0SMarek Vasut {
445910df4d0SMarek Vasut 	struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev);
446910df4d0SMarek Vasut 
447910df4d0SMarek Vasut 	return priv->pfc.info->nr_functions;
448910df4d0SMarek Vasut }
449910df4d0SMarek Vasut 
450910df4d0SMarek Vasut static const char *sh_pfc_pinctrl_get_function_name(struct udevice *dev,
451910df4d0SMarek Vasut 						  unsigned selector)
452910df4d0SMarek Vasut {
453910df4d0SMarek Vasut 	struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev);
454910df4d0SMarek Vasut 
455910df4d0SMarek Vasut 	return priv->pfc.info->functions[selector].name;
456910df4d0SMarek Vasut }
457910df4d0SMarek Vasut 
458f6e545a7SMarek Vasut int sh_pfc_config_mux_for_gpio(struct udevice *dev, unsigned pin_selector)
459f6e545a7SMarek Vasut {
460f6e545a7SMarek Vasut 	struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev);
461f6e545a7SMarek Vasut 	struct sh_pfc_pinctrl *pmx = &priv->pmx;
462f6e545a7SMarek Vasut 	struct sh_pfc *pfc = &priv->pfc;
463f6e545a7SMarek Vasut 	struct sh_pfc_pin_config *cfg;
464f6e545a7SMarek Vasut 	const struct sh_pfc_pin *pin = NULL;
465f6e545a7SMarek Vasut 	int i, idx;
466f6e545a7SMarek Vasut 
467f6e545a7SMarek Vasut 	for (i = 1; i < pfc->info->nr_pins; i++) {
468f6e545a7SMarek Vasut 		if (priv->pfc.info->pins[i].pin != pin_selector)
469f6e545a7SMarek Vasut 			continue;
470f6e545a7SMarek Vasut 
471f6e545a7SMarek Vasut 		pin = &priv->pfc.info->pins[i];
472f6e545a7SMarek Vasut 		break;
473f6e545a7SMarek Vasut 	}
474f6e545a7SMarek Vasut 
475f6e545a7SMarek Vasut 	if (!pin)
476f6e545a7SMarek Vasut 		return -EINVAL;
477f6e545a7SMarek Vasut 
478f6e545a7SMarek Vasut 	idx = sh_pfc_get_pin_index(pfc, pin->pin);
479f6e545a7SMarek Vasut 	cfg = &pmx->configs[idx];
480f6e545a7SMarek Vasut 
481f6e545a7SMarek Vasut 	if (cfg->type != PINMUX_TYPE_NONE)
482f6e545a7SMarek Vasut 		return -EBUSY;
483f6e545a7SMarek Vasut 
484f6e545a7SMarek Vasut 	return sh_pfc_config_mux(pfc, pin->enum_id, PINMUX_TYPE_GPIO);
485f6e545a7SMarek Vasut }
486f6e545a7SMarek Vasut 
4872489bb54SMarek Vasut static int sh_pfc_pinctrl_pin_set(struct udevice *dev, unsigned pin_selector,
4882489bb54SMarek Vasut 				  unsigned func_selector)
4892489bb54SMarek Vasut {
4902489bb54SMarek Vasut 	struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev);
4912489bb54SMarek Vasut 	struct sh_pfc_pinctrl *pmx = &priv->pmx;
4922489bb54SMarek Vasut 	struct sh_pfc *pfc = &priv->pfc;
4932489bb54SMarek Vasut 	const struct sh_pfc_pin *pin = &priv->pfc.info->pins[pin_selector];
4942489bb54SMarek Vasut 	int idx = sh_pfc_get_pin_index(pfc, pin->pin);
4952489bb54SMarek Vasut 	struct sh_pfc_pin_config *cfg = &pmx->configs[idx];
4962489bb54SMarek Vasut 
4972489bb54SMarek Vasut 	if (cfg->type != PINMUX_TYPE_NONE)
4982489bb54SMarek Vasut 		return -EBUSY;
4992489bb54SMarek Vasut 
5002489bb54SMarek Vasut 	return sh_pfc_config_mux(pfc, pin->enum_id, PINMUX_TYPE_FUNCTION);
5012489bb54SMarek Vasut }
5022489bb54SMarek Vasut 
503910df4d0SMarek Vasut static int sh_pfc_pinctrl_group_set(struct udevice *dev, unsigned group_selector,
504910df4d0SMarek Vasut 				     unsigned func_selector)
505910df4d0SMarek Vasut {
506910df4d0SMarek Vasut 	struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev);
507910df4d0SMarek Vasut 	struct sh_pfc_pinctrl *pmx = &priv->pmx;
508910df4d0SMarek Vasut 	struct sh_pfc *pfc = &priv->pfc;
509910df4d0SMarek Vasut 	const struct sh_pfc_pin_group *grp = &priv->pfc.info->groups[group_selector];
510910df4d0SMarek Vasut 	unsigned int i;
511910df4d0SMarek Vasut 	int ret = 0;
512910df4d0SMarek Vasut 
513910df4d0SMarek Vasut 	for (i = 0; i < grp->nr_pins; ++i) {
514910df4d0SMarek Vasut 		int idx = sh_pfc_get_pin_index(pfc, grp->pins[i]);
515910df4d0SMarek Vasut 		struct sh_pfc_pin_config *cfg = &pmx->configs[idx];
516910df4d0SMarek Vasut 
517910df4d0SMarek Vasut 		if (cfg->type != PINMUX_TYPE_NONE) {
518910df4d0SMarek Vasut 			ret = -EBUSY;
519910df4d0SMarek Vasut 			goto done;
520910df4d0SMarek Vasut 		}
521910df4d0SMarek Vasut 	}
522910df4d0SMarek Vasut 
523910df4d0SMarek Vasut 	for (i = 0; i < grp->nr_pins; ++i) {
524910df4d0SMarek Vasut 		ret = sh_pfc_config_mux(pfc, grp->mux[i], PINMUX_TYPE_FUNCTION);
525910df4d0SMarek Vasut 		if (ret < 0)
526910df4d0SMarek Vasut 			break;
527910df4d0SMarek Vasut 	}
528910df4d0SMarek Vasut 
529910df4d0SMarek Vasut done:
530910df4d0SMarek Vasut 	return ret;
531910df4d0SMarek Vasut }
532d52132c3SMarek Vasut #if CONFIG_IS_ENABLED(PINCONF)
533d52132c3SMarek Vasut static const struct pinconf_param sh_pfc_pinconf_params[] = {
534d52132c3SMarek Vasut 	{ "bias-disable",	PIN_CONFIG_BIAS_DISABLE,	0 },
535d52132c3SMarek Vasut 	{ "bias-pull-up",	PIN_CONFIG_BIAS_PULL_UP,	1 },
536d52132c3SMarek Vasut 	{ "bias-pull-down",	PIN_CONFIG_BIAS_PULL_DOWN,	1 },
537d52132c3SMarek Vasut 	{ "drive-strength",	PIN_CONFIG_DRIVE_STRENGTH,	0 },
538d52132c3SMarek Vasut 	{ "power-source",	PIN_CONFIG_POWER_SOURCE,	3300 },
539d52132c3SMarek Vasut };
540d52132c3SMarek Vasut 
541d52132c3SMarek Vasut static void __iomem *
542d52132c3SMarek Vasut sh_pfc_pinconf_find_drive_strength_reg(struct sh_pfc *pfc, unsigned int pin,
543d52132c3SMarek Vasut 				       unsigned int *offset, unsigned int *size)
544d52132c3SMarek Vasut {
545d52132c3SMarek Vasut 	const struct pinmux_drive_reg_field *field;
546d52132c3SMarek Vasut 	const struct pinmux_drive_reg *reg;
547d52132c3SMarek Vasut 	unsigned int i;
548d52132c3SMarek Vasut 
549d52132c3SMarek Vasut 	for (reg = pfc->info->drive_regs; reg->reg; ++reg) {
550d52132c3SMarek Vasut 		for (i = 0; i < ARRAY_SIZE(reg->fields); ++i) {
551d52132c3SMarek Vasut 			field = &reg->fields[i];
552d52132c3SMarek Vasut 
553d52132c3SMarek Vasut 			if (field->size && field->pin == pin) {
554d52132c3SMarek Vasut 				*offset = field->offset;
555d52132c3SMarek Vasut 				*size = field->size;
556d52132c3SMarek Vasut 
557d52132c3SMarek Vasut 				return (void __iomem *)(uintptr_t)reg->reg;
558d52132c3SMarek Vasut 			}
559d52132c3SMarek Vasut 		}
560d52132c3SMarek Vasut 	}
561d52132c3SMarek Vasut 
562d52132c3SMarek Vasut 	return NULL;
563d52132c3SMarek Vasut }
564d52132c3SMarek Vasut 
565d52132c3SMarek Vasut static int sh_pfc_pinconf_set_drive_strength(struct sh_pfc *pfc,
566d52132c3SMarek Vasut 					     unsigned int pin, u16 strength)
567d52132c3SMarek Vasut {
568d52132c3SMarek Vasut 	unsigned int offset;
569d52132c3SMarek Vasut 	unsigned int size;
570d52132c3SMarek Vasut 	unsigned int step;
571d52132c3SMarek Vasut 	void __iomem *reg;
572d52132c3SMarek Vasut 	void __iomem *unlock_reg =
573d52132c3SMarek Vasut 		(void __iomem *)(uintptr_t)pfc->info->unlock_reg;
574d52132c3SMarek Vasut 	u32 val;
575d52132c3SMarek Vasut 
576d52132c3SMarek Vasut 	reg = sh_pfc_pinconf_find_drive_strength_reg(pfc, pin, &offset, &size);
577d52132c3SMarek Vasut 	if (!reg)
578d52132c3SMarek Vasut 		return -EINVAL;
579d52132c3SMarek Vasut 
580d52132c3SMarek Vasut 	step = size == 2 ? 6 : 3;
581d52132c3SMarek Vasut 
582d52132c3SMarek Vasut 	if (strength < step || strength > 24)
583d52132c3SMarek Vasut 		return -EINVAL;
584d52132c3SMarek Vasut 
585d52132c3SMarek Vasut 	/* Convert the value from mA based on a full drive strength value of
586d52132c3SMarek Vasut 	 * 24mA. We can make the full value configurable later if needed.
587d52132c3SMarek Vasut 	 */
588d52132c3SMarek Vasut 	strength = strength / step - 1;
589d52132c3SMarek Vasut 
590d52132c3SMarek Vasut 	val = sh_pfc_read_raw_reg(reg, 32);
591d52132c3SMarek Vasut 	val &= ~GENMASK(offset + size - 1, offset);
592d52132c3SMarek Vasut 	val |= strength << offset;
593d52132c3SMarek Vasut 
594d52132c3SMarek Vasut 	if (unlock_reg)
595d52132c3SMarek Vasut 		sh_pfc_write_raw_reg(unlock_reg, 32, ~val);
596d52132c3SMarek Vasut 
597d52132c3SMarek Vasut 	sh_pfc_write_raw_reg(reg, 32, val);
598d52132c3SMarek Vasut 
599d52132c3SMarek Vasut 	return 0;
600d52132c3SMarek Vasut }
601d52132c3SMarek Vasut 
602d52132c3SMarek Vasut /* Check whether the requested parameter is supported for a pin. */
603d52132c3SMarek Vasut static bool sh_pfc_pinconf_validate(struct sh_pfc *pfc, unsigned int _pin,
604d52132c3SMarek Vasut 				    unsigned int param)
605d52132c3SMarek Vasut {
606d52132c3SMarek Vasut 	int idx = sh_pfc_get_pin_index(pfc, _pin);
607d52132c3SMarek Vasut 	const struct sh_pfc_pin *pin = &pfc->info->pins[idx];
608d52132c3SMarek Vasut 
609d52132c3SMarek Vasut 	switch (param) {
610d52132c3SMarek Vasut 	case PIN_CONFIG_BIAS_DISABLE:
611d52132c3SMarek Vasut 		return pin->configs &
612d52132c3SMarek Vasut 			(SH_PFC_PIN_CFG_PULL_UP | SH_PFC_PIN_CFG_PULL_DOWN);
613d52132c3SMarek Vasut 
614d52132c3SMarek Vasut 	case PIN_CONFIG_BIAS_PULL_UP:
615d52132c3SMarek Vasut 		return pin->configs & SH_PFC_PIN_CFG_PULL_UP;
616d52132c3SMarek Vasut 
617d52132c3SMarek Vasut 	case PIN_CONFIG_BIAS_PULL_DOWN:
618d52132c3SMarek Vasut 		return pin->configs & SH_PFC_PIN_CFG_PULL_DOWN;
619d52132c3SMarek Vasut 
620d52132c3SMarek Vasut 	case PIN_CONFIG_DRIVE_STRENGTH:
621d52132c3SMarek Vasut 		return pin->configs & SH_PFC_PIN_CFG_DRIVE_STRENGTH;
622d52132c3SMarek Vasut 
623d52132c3SMarek Vasut 	case PIN_CONFIG_POWER_SOURCE:
624d52132c3SMarek Vasut 		return pin->configs & SH_PFC_PIN_CFG_IO_VOLTAGE;
625d52132c3SMarek Vasut 
626d52132c3SMarek Vasut 	default:
627d52132c3SMarek Vasut 		return false;
628d52132c3SMarek Vasut 	}
629d52132c3SMarek Vasut }
630d52132c3SMarek Vasut 
631d52132c3SMarek Vasut static int sh_pfc_pinconf_set(struct sh_pfc_pinctrl *pmx, unsigned _pin,
632d52132c3SMarek Vasut 			      unsigned int param, unsigned int arg)
633d52132c3SMarek Vasut {
634d52132c3SMarek Vasut 	struct sh_pfc *pfc = pmx->pfc;
635d52132c3SMarek Vasut 	void __iomem *pocctrl;
636d52132c3SMarek Vasut 	void __iomem *unlock_reg =
637d52132c3SMarek Vasut 		(void __iomem *)(uintptr_t)pfc->info->unlock_reg;
638d52132c3SMarek Vasut 	u32 addr, val;
639d52132c3SMarek Vasut 	int bit, ret;
640d52132c3SMarek Vasut 
641d52132c3SMarek Vasut 	if (!sh_pfc_pinconf_validate(pfc, _pin, param))
642d52132c3SMarek Vasut 		return -ENOTSUPP;
643d52132c3SMarek Vasut 
644d52132c3SMarek Vasut 	switch (param) {
645d52132c3SMarek Vasut 	case PIN_CONFIG_BIAS_PULL_UP:
646d52132c3SMarek Vasut 	case PIN_CONFIG_BIAS_PULL_DOWN:
647d52132c3SMarek Vasut 	case PIN_CONFIG_BIAS_DISABLE:
648d52132c3SMarek Vasut 		if (!pfc->info->ops || !pfc->info->ops->set_bias)
649d52132c3SMarek Vasut 			return -ENOTSUPP;
650d52132c3SMarek Vasut 
651d52132c3SMarek Vasut 		pfc->info->ops->set_bias(pfc, _pin, param);
652d52132c3SMarek Vasut 
653d52132c3SMarek Vasut 		break;
654d52132c3SMarek Vasut 
655d52132c3SMarek Vasut 	case PIN_CONFIG_DRIVE_STRENGTH:
656d52132c3SMarek Vasut 		ret = sh_pfc_pinconf_set_drive_strength(pfc, _pin, arg);
657d52132c3SMarek Vasut 		if (ret < 0)
658d52132c3SMarek Vasut 			return ret;
659d52132c3SMarek Vasut 
660d52132c3SMarek Vasut 		break;
661d52132c3SMarek Vasut 
662d52132c3SMarek Vasut 	case PIN_CONFIG_POWER_SOURCE:
663d52132c3SMarek Vasut 		if (!pfc->info->ops || !pfc->info->ops->pin_to_pocctrl)
664d52132c3SMarek Vasut 			return -ENOTSUPP;
665d52132c3SMarek Vasut 
666d52132c3SMarek Vasut 		bit = pfc->info->ops->pin_to_pocctrl(pfc, _pin, &addr);
667d52132c3SMarek Vasut 		if (bit < 0) {
668d52132c3SMarek Vasut 			printf("invalid pin %#x", _pin);
669d52132c3SMarek Vasut 			return bit;
670d52132c3SMarek Vasut 		}
671d52132c3SMarek Vasut 
672d52132c3SMarek Vasut 		if (arg != 1800 && arg != 3300)
673d52132c3SMarek Vasut 			return -EINVAL;
674d52132c3SMarek Vasut 
675d52132c3SMarek Vasut 		pocctrl = (void __iomem *)(uintptr_t)addr;
676d52132c3SMarek Vasut 
677d52132c3SMarek Vasut 		val = sh_pfc_read_raw_reg(pocctrl, 32);
678d52132c3SMarek Vasut 		if (arg == 3300)
679d52132c3SMarek Vasut 			val |= BIT(bit);
680d52132c3SMarek Vasut 		else
681d52132c3SMarek Vasut 			val &= ~BIT(bit);
682d52132c3SMarek Vasut 
683d52132c3SMarek Vasut 		if (unlock_reg)
684d52132c3SMarek Vasut 			sh_pfc_write_raw_reg(unlock_reg, 32, ~val);
685d52132c3SMarek Vasut 
686d52132c3SMarek Vasut 		sh_pfc_write_raw_reg(pocctrl, 32, val);
687d52132c3SMarek Vasut 
688d52132c3SMarek Vasut 		break;
689d52132c3SMarek Vasut 
690d52132c3SMarek Vasut 	default:
691d52132c3SMarek Vasut 		return -ENOTSUPP;
692d52132c3SMarek Vasut 	}
693d52132c3SMarek Vasut 
694d52132c3SMarek Vasut 	return 0;
695d52132c3SMarek Vasut }
696d52132c3SMarek Vasut 
6972489bb54SMarek Vasut static int sh_pfc_pinconf_pin_set(struct udevice *dev,
6982489bb54SMarek Vasut 				  unsigned int pin_selector,
6992489bb54SMarek Vasut 				  unsigned int param, unsigned int arg)
7002489bb54SMarek Vasut {
7012489bb54SMarek Vasut 	struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev);
7022489bb54SMarek Vasut 	struct sh_pfc_pinctrl *pmx = &priv->pmx;
7032489bb54SMarek Vasut 	struct sh_pfc *pfc = &priv->pfc;
7042489bb54SMarek Vasut 	const struct sh_pfc_pin *pin = &pfc->info->pins[pin_selector];
7052489bb54SMarek Vasut 
7062489bb54SMarek Vasut 	sh_pfc_pinconf_set(pmx, pin->pin, param, arg);
7072489bb54SMarek Vasut 
7082489bb54SMarek Vasut 	return 0;
7092489bb54SMarek Vasut }
710d52132c3SMarek Vasut 
711d52132c3SMarek Vasut static int sh_pfc_pinconf_group_set(struct udevice *dev,
712d52132c3SMarek Vasut 				      unsigned int group_selector,
713d52132c3SMarek Vasut 				      unsigned int param, unsigned int arg)
714d52132c3SMarek Vasut {
715d52132c3SMarek Vasut 	struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev);
716d52132c3SMarek Vasut 	struct sh_pfc_pinctrl *pmx = &priv->pmx;
717d52132c3SMarek Vasut 	struct sh_pfc *pfc = &priv->pfc;
718d52132c3SMarek Vasut 	const struct sh_pfc_pin_group *grp = &pfc->info->groups[group_selector];
719d52132c3SMarek Vasut 	unsigned int i;
720d52132c3SMarek Vasut 
721d52132c3SMarek Vasut 	for (i = 0; i < grp->nr_pins; i++)
722d52132c3SMarek Vasut 		sh_pfc_pinconf_set(pmx, grp->pins[i], param, arg);
723d52132c3SMarek Vasut 
724d52132c3SMarek Vasut 	return 0;
725d52132c3SMarek Vasut }
726d52132c3SMarek Vasut #endif
727910df4d0SMarek Vasut 
728910df4d0SMarek Vasut static struct pinctrl_ops sh_pfc_pinctrl_ops = {
729910df4d0SMarek Vasut 	.get_pins_count		= sh_pfc_pinctrl_get_pins_count,
730910df4d0SMarek Vasut 	.get_pin_name		= sh_pfc_pinctrl_get_pin_name,
731910df4d0SMarek Vasut 	.get_groups_count	= sh_pfc_pinctrl_get_groups_count,
732910df4d0SMarek Vasut 	.get_group_name		= sh_pfc_pinctrl_get_group_name,
733910df4d0SMarek Vasut 	.get_functions_count	= sh_pfc_pinctrl_get_functions_count,
734910df4d0SMarek Vasut 	.get_function_name	= sh_pfc_pinctrl_get_function_name,
735910df4d0SMarek Vasut 
736d52132c3SMarek Vasut #if CONFIG_IS_ENABLED(PINCONF)
737d52132c3SMarek Vasut 	.pinconf_num_params	= ARRAY_SIZE(sh_pfc_pinconf_params),
738d52132c3SMarek Vasut 	.pinconf_params		= sh_pfc_pinconf_params,
7392489bb54SMarek Vasut 	.pinconf_set		= sh_pfc_pinconf_pin_set,
740d52132c3SMarek Vasut 	.pinconf_group_set	= sh_pfc_pinconf_group_set,
741d52132c3SMarek Vasut #endif
7422489bb54SMarek Vasut 	.pinmux_set		= sh_pfc_pinctrl_pin_set,
743910df4d0SMarek Vasut 	.pinmux_group_set	= sh_pfc_pinctrl_group_set,
744910df4d0SMarek Vasut 	.set_state		= pinctrl_generic_set_state,
745910df4d0SMarek Vasut };
746910df4d0SMarek Vasut 
747910df4d0SMarek Vasut static int sh_pfc_map_pins(struct sh_pfc *pfc, struct sh_pfc_pinctrl *pmx)
748910df4d0SMarek Vasut {
749910df4d0SMarek Vasut 	unsigned int i;
750910df4d0SMarek Vasut 
751910df4d0SMarek Vasut 	/* Allocate and initialize the pins and configs arrays. */
752910df4d0SMarek Vasut 	pmx->configs = kzalloc(sizeof(*pmx->configs) * pfc->info->nr_pins,
753910df4d0SMarek Vasut 				    GFP_KERNEL);
754910df4d0SMarek Vasut 	if (unlikely(!pmx->configs))
755910df4d0SMarek Vasut 		return -ENOMEM;
756910df4d0SMarek Vasut 
757910df4d0SMarek Vasut 	for (i = 0; i < pfc->info->nr_pins; ++i) {
758910df4d0SMarek Vasut 		struct sh_pfc_pin_config *cfg = &pmx->configs[i];
759910df4d0SMarek Vasut 		cfg->type = PINMUX_TYPE_NONE;
760910df4d0SMarek Vasut 	}
761910df4d0SMarek Vasut 
762910df4d0SMarek Vasut 	return 0;
763910df4d0SMarek Vasut }
764910df4d0SMarek Vasut 
765910df4d0SMarek Vasut 
766910df4d0SMarek Vasut static int sh_pfc_pinctrl_probe(struct udevice *dev)
767910df4d0SMarek Vasut {
768910df4d0SMarek Vasut 	struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev);
769910df4d0SMarek Vasut 	enum sh_pfc_model model = dev_get_driver_data(dev);
770910df4d0SMarek Vasut 	fdt_addr_t base;
771910df4d0SMarek Vasut 
772910df4d0SMarek Vasut 	base = devfdt_get_addr(dev);
773910df4d0SMarek Vasut 	if (base == FDT_ADDR_T_NONE)
774910df4d0SMarek Vasut 		return -EINVAL;
775910df4d0SMarek Vasut 
776910df4d0SMarek Vasut 	priv->pfc.regs = devm_ioremap(dev, base, SZ_2K);
777910df4d0SMarek Vasut 	if (!priv->pfc.regs)
778910df4d0SMarek Vasut 		return -ENOMEM;
779910df4d0SMarek Vasut 
7807547ad4cSMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7790
7817547ad4cSMarek Vasut 	if (model == SH_PFC_R8A7790)
7827547ad4cSMarek Vasut 		priv->pfc.info = &r8a7790_pinmux_info;
7837547ad4cSMarek Vasut #endif
784427c75dfSMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7791
785427c75dfSMarek Vasut 	if (model == SH_PFC_R8A7791)
786427c75dfSMarek Vasut 		priv->pfc.info = &r8a7791_pinmux_info;
787427c75dfSMarek Vasut #endif
788ab2d09b4SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7792
789ab2d09b4SMarek Vasut 	if (model == SH_PFC_R8A7792)
790ab2d09b4SMarek Vasut 		priv->pfc.info = &r8a7792_pinmux_info;
791ab2d09b4SMarek Vasut #endif
792427c75dfSMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7793
793427c75dfSMarek Vasut 	if (model == SH_PFC_R8A7793)
794427c75dfSMarek Vasut 		priv->pfc.info = &r8a7793_pinmux_info;
795427c75dfSMarek Vasut #endif
79634e93605SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7794
79734e93605SMarek Vasut 	if (model == SH_PFC_R8A7794)
79834e93605SMarek Vasut 		priv->pfc.info = &r8a7794_pinmux_info;
79934e93605SMarek Vasut #endif
800910df4d0SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7795
801910df4d0SMarek Vasut 	if (model == SH_PFC_R8A7795)
802910df4d0SMarek Vasut 		priv->pfc.info = &r8a7795_pinmux_info;
803910df4d0SMarek Vasut #endif
804910df4d0SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7796
805910df4d0SMarek Vasut 	if (model == SH_PFC_R8A7796)
806910df4d0SMarek Vasut 		priv->pfc.info = &r8a7796_pinmux_info;
807910df4d0SMarek Vasut #endif
808c106bb53SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A77970
809c106bb53SMarek Vasut 	if (model == SH_PFC_R8A77970)
810c106bb53SMarek Vasut 		priv->pfc.info = &r8a77970_pinmux_info;
811c106bb53SMarek Vasut #endif
812a59e6976SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A77995
813a59e6976SMarek Vasut 	if (model == SH_PFC_R8A77995)
814a59e6976SMarek Vasut 		priv->pfc.info = &r8a77995_pinmux_info;
815a59e6976SMarek Vasut #endif
816910df4d0SMarek Vasut 
817910df4d0SMarek Vasut 	priv->pmx.pfc = &priv->pfc;
818910df4d0SMarek Vasut 	sh_pfc_init_ranges(&priv->pfc);
819910df4d0SMarek Vasut 	sh_pfc_map_pins(&priv->pfc, &priv->pmx);
820910df4d0SMarek Vasut 
821910df4d0SMarek Vasut 	return 0;
822910df4d0SMarek Vasut }
823910df4d0SMarek Vasut 
824910df4d0SMarek Vasut static const struct udevice_id sh_pfc_pinctrl_ids[] = {
8257547ad4cSMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7790
8267547ad4cSMarek Vasut 	{
8277547ad4cSMarek Vasut 		.compatible = "renesas,pfc-r8a7790",
8287547ad4cSMarek Vasut 		.data = SH_PFC_R8A7790,
8297547ad4cSMarek Vasut 	},
8307547ad4cSMarek Vasut #endif
831427c75dfSMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7791
832427c75dfSMarek Vasut 	{
833427c75dfSMarek Vasut 		.compatible = "renesas,pfc-r8a7791",
834427c75dfSMarek Vasut 		.data = SH_PFC_R8A7791,
835427c75dfSMarek Vasut 	},
836427c75dfSMarek Vasut #endif
837ab2d09b4SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7792
838ab2d09b4SMarek Vasut 	{
839ab2d09b4SMarek Vasut 		.compatible = "renesas,pfc-r8a7792",
840ab2d09b4SMarek Vasut 		.data = SH_PFC_R8A7792,
841ab2d09b4SMarek Vasut 	},
842ab2d09b4SMarek Vasut #endif
843427c75dfSMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7793
844427c75dfSMarek Vasut 	{
845427c75dfSMarek Vasut 		.compatible = "renesas,pfc-r8a7793",
846427c75dfSMarek Vasut 		.data = SH_PFC_R8A7793,
847427c75dfSMarek Vasut 	},
848427c75dfSMarek Vasut #endif
84934e93605SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7794
85034e93605SMarek Vasut 	{
85134e93605SMarek Vasut 		.compatible = "renesas,pfc-r8a7794",
85234e93605SMarek Vasut 		.data = SH_PFC_R8A7794,
85334e93605SMarek Vasut 	},
85434e93605SMarek Vasut #endif
855910df4d0SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7795
856910df4d0SMarek Vasut 	{
857910df4d0SMarek Vasut 		.compatible = "renesas,pfc-r8a7795",
858910df4d0SMarek Vasut 		.data = SH_PFC_R8A7795,
859910df4d0SMarek Vasut 	},
860910df4d0SMarek Vasut #endif
861910df4d0SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7796
862910df4d0SMarek Vasut 	{
863910df4d0SMarek Vasut 		.compatible = "renesas,pfc-r8a7796",
864910df4d0SMarek Vasut 		.data = SH_PFC_R8A7796,
865*d1fe3182SMarek Vasut 	}, {
866*d1fe3182SMarek Vasut 		.compatible = "renesas,pfc-r8a77965",
867*d1fe3182SMarek Vasut 		.data = SH_PFC_R8A7796,
868910df4d0SMarek Vasut 	},
869910df4d0SMarek Vasut #endif
870c106bb53SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A77970
871c106bb53SMarek Vasut 	{
872c106bb53SMarek Vasut 		.compatible = "renesas,pfc-r8a77970",
873c106bb53SMarek Vasut 		.data = SH_PFC_R8A77970,
874c106bb53SMarek Vasut 	},
875c106bb53SMarek Vasut #endif
876a59e6976SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A77995
877a59e6976SMarek Vasut 	{
878a59e6976SMarek Vasut 		.compatible = "renesas,pfc-r8a77995",
879a59e6976SMarek Vasut 		.data = SH_PFC_R8A77995,
880a59e6976SMarek Vasut 	},
881a59e6976SMarek Vasut #endif
882910df4d0SMarek Vasut 	{ },
883910df4d0SMarek Vasut };
884910df4d0SMarek Vasut 
885910df4d0SMarek Vasut U_BOOT_DRIVER(pinctrl_sh_pfc) = {
886910df4d0SMarek Vasut 	.name		= "sh_pfc_pinctrl",
887910df4d0SMarek Vasut 	.id		= UCLASS_PINCTRL,
888910df4d0SMarek Vasut 	.of_match	= sh_pfc_pinctrl_ids,
889910df4d0SMarek Vasut 	.priv_auto_alloc_size = sizeof(struct sh_pfc_pinctrl_priv),
890910df4d0SMarek Vasut 	.ops		= &sh_pfc_pinctrl_ops,
891910df4d0SMarek Vasut 	.probe		= sh_pfc_pinctrl_probe,
892910df4d0SMarek Vasut };
893