1 // SPDX-License-Identifier: GPL-2.0-only
17 #include <linux/pinctrl/pinconf-generic.h>
23 #include <linux/regmap.h>
28 #include <dt-bindings/pinctrl/mt65xx.h>
32 #include "../pinctrl-utils.h"
33 #include "mtk-eint.h"
34 #include "pinctrl-mtk-common.h"
52 static struct regmap *mtk_get_regmap(struct mtk_pinctrl *pctl,  in mtk_get_regmap()  argument
55 	if (pin >= pctl->devdata->type1_start && pin < pctl->devdata->type1_end)  in mtk_get_regmap()
56 		return pctl->regmap2;  in mtk_get_regmap()
57 	return pctl->regmap1;  in mtk_get_regmap()
60 static unsigned int mtk_get_port(struct mtk_pinctrl *pctl, unsigned long pin)  in mtk_get_port()  argument
63 	return ((pin >> pctl->devdata->mode_shf) & pctl->devdata->port_mask)  in mtk_get_port()
64 			<< pctl->devdata->port_shf;  in mtk_get_port()
73 	struct mtk_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);  in mtk_pmx_gpio_set_direction()  local
75 	reg_addr = mtk_get_port(pctl, offset) + pctl->devdata->dir_offset;  in mtk_pmx_gpio_set_direction()
76 	bit = BIT(offset & pctl->devdata->mode_mask);  in mtk_pmx_gpio_set_direction()
78 	if (pctl->devdata->spec_dir_set)  in mtk_pmx_gpio_set_direction()
79 		pctl->devdata->spec_dir_set(&reg_addr, offset);  in mtk_pmx_gpio_set_direction()
83 		reg_addr = CLR_ADDR(reg_addr, pctl);  in mtk_pmx_gpio_set_direction()
85 		reg_addr = SET_ADDR(reg_addr, pctl);  in mtk_pmx_gpio_set_direction()
87 	regmap_write(mtk_get_regmap(pctl, offset), reg_addr, bit);  in mtk_pmx_gpio_set_direction()
95 	struct mtk_pinctrl *pctl = gpiochip_get_data(chip);  in mtk_gpio_set()  local
97 	reg_addr = mtk_get_port(pctl, offset) + pctl->devdata->dout_offset;  in mtk_gpio_set()
98 	bit = BIT(offset & pctl->devdata->mode_mask);  in mtk_gpio_set()
101 		reg_addr = SET_ADDR(reg_addr, pctl);  in mtk_gpio_set()
103 		reg_addr = CLR_ADDR(reg_addr, pctl);  in mtk_gpio_set()
105 	regmap_write(mtk_get_regmap(pctl, offset), reg_addr, bit);  in mtk_gpio_set()
108 static int mtk_pconf_set_ies_smt(struct mtk_pinctrl *pctl, unsigned pin,  in mtk_pconf_set_ies_smt()  argument
118 	if (!pctl->devdata->spec_ies_smt_set &&  in mtk_pconf_set_ies_smt()
119 		pctl->devdata->ies_offset == MTK_PINCTRL_NOT_SUPPORT &&  in mtk_pconf_set_ies_smt()
121 		return -EINVAL;  in mtk_pconf_set_ies_smt()
123 	if (!pctl->devdata->spec_ies_smt_set &&  in mtk_pconf_set_ies_smt()
124 		pctl->devdata->smt_offset == MTK_PINCTRL_NOT_SUPPORT &&  in mtk_pconf_set_ies_smt()
126 		return -EINVAL;  in mtk_pconf_set_ies_smt()
132 	if (pctl->devdata->spec_ies_smt_set) {  in mtk_pconf_set_ies_smt()
133 		return pctl->devdata->spec_ies_smt_set(mtk_get_regmap(pctl, pin),  in mtk_pconf_set_ies_smt()
134 			pctl->devdata, pin, value, arg);  in mtk_pconf_set_ies_smt()
138 		offset = pctl->devdata->ies_offset;  in mtk_pconf_set_ies_smt()
140 		offset = pctl->devdata->smt_offset;  in mtk_pconf_set_ies_smt()
142 	bit = BIT(offset & pctl->devdata->mode_mask);  in mtk_pconf_set_ies_smt()
145 		reg_addr = SET_ADDR(mtk_get_port(pctl, pin) + offset, pctl);  in mtk_pconf_set_ies_smt()
147 		reg_addr = CLR_ADDR(mtk_get_port(pctl, pin) + offset, pctl);  in mtk_pconf_set_ies_smt()
149 	regmap_write(mtk_get_regmap(pctl, pin), reg_addr, bit);  in mtk_pconf_set_ies_smt()
153 int mtk_pconf_spec_set_ies_smt_range(struct regmap *regmap,  in mtk_pconf_spec_set_ies_smt_range()  argument
162 		ies_smt_infos = devdata->spec_ies;  in mtk_pconf_spec_set_ies_smt_range()
163 		info_num = devdata->n_spec_ies;  in mtk_pconf_spec_set_ies_smt_range()
166 		ies_smt_infos = devdata->spec_smt;  in mtk_pconf_spec_set_ies_smt_range()
167 		info_num = devdata->n_spec_smt;  in mtk_pconf_spec_set_ies_smt_range()
174 		return -EINVAL;  in mtk_pconf_spec_set_ies_smt_range()
184 		return -EINVAL;  in mtk_pconf_spec_set_ies_smt_range()
187 		reg_addr = ies_smt_infos[i].offset + devdata->port_align;  in mtk_pconf_spec_set_ies_smt_range()
189 		reg_addr = ies_smt_infos[i].offset + (devdata->port_align << 1);  in mtk_pconf_spec_set_ies_smt_range()
192 	regmap_write(regmap, reg_addr, bit);  in mtk_pconf_spec_set_ies_smt_range()
197 		struct mtk_pinctrl *pctl,  unsigned long pin) {  in mtk_find_pin_drv_grp_by_pin()  argument
200 	for (i = 0; i < pctl->devdata->n_pin_drv_grps; i++) {  in mtk_find_pin_drv_grp_by_pin()
202 				pctl->devdata->pin_drv_grp + i;  in mtk_find_pin_drv_grp_by_pin()
203 		if (pin == pin_drv->pin)  in mtk_find_pin_drv_grp_by_pin()
210 static int mtk_pconf_set_driving(struct mtk_pinctrl *pctl,  in mtk_pconf_set_driving()  argument
218 	if (pin >= pctl->devdata->npins)  in mtk_pconf_set_driving()
219 		return -EINVAL;  in mtk_pconf_set_driving()
221 	pin_drv = mtk_find_pin_drv_grp_by_pin(pctl, pin);  in mtk_pconf_set_driving()
222 	if (!pin_drv || pin_drv->grp > pctl->devdata->n_grp_cls)  in mtk_pconf_set_driving()
223 		return -EINVAL;  in mtk_pconf_set_driving()
225 	drv_grp = pctl->devdata->grp_desc + pin_drv->grp;  in mtk_pconf_set_driving()
226 	if (driving >= drv_grp->min_drv && driving <= drv_grp->max_drv  in mtk_pconf_set_driving()
227 		&& !(driving % drv_grp->step)) {  in mtk_pconf_set_driving()
228 		val = driving / drv_grp->step - 1;  in mtk_pconf_set_driving()
229 		bits = drv_grp->high_bit - drv_grp->low_bit + 1;  in mtk_pconf_set_driving()
230 		mask = BIT(bits) - 1;  in mtk_pconf_set_driving()
231 		shift = pin_drv->bit + drv_grp->low_bit;  in mtk_pconf_set_driving()
234 		return regmap_update_bits(mtk_get_regmap(pctl, pin),  in mtk_pconf_set_driving()
235 				pin_drv->offset, mask, val);  in mtk_pconf_set_driving()
238 	return -EINVAL;  in mtk_pconf_set_driving()
241 int mtk_pctrl_spec_pull_set_samereg(struct regmap *regmap,  in mtk_pctrl_spec_pull_set_samereg()  argument
251 	if (!devdata->spec_pupd)  in mtk_pctrl_spec_pull_set_samereg()
252 		return -EINVAL;  in mtk_pctrl_spec_pull_set_samereg()
254 	for (i = 0; i < devdata->n_spec_pupd; i++) {  in mtk_pctrl_spec_pull_set_samereg()
255 		if (pin == devdata->spec_pupd[i].pin) {  in mtk_pctrl_spec_pull_set_samereg()
262 		return -EINVAL;  in mtk_pctrl_spec_pull_set_samereg()
264 	spec_pupd_pin = devdata->spec_pupd + i;  in mtk_pctrl_spec_pull_set_samereg()
265 	reg_set = spec_pupd_pin->offset + devdata->port_align;  in mtk_pctrl_spec_pull_set_samereg()
266 	reg_rst = spec_pupd_pin->offset + (devdata->port_align << 1);  in mtk_pctrl_spec_pull_set_samereg()
273 	bit_pupd = BIT(spec_pupd_pin->pupd_bit);  in mtk_pctrl_spec_pull_set_samereg()
274 	regmap_write(regmap, reg_pupd, bit_pupd);  in mtk_pctrl_spec_pull_set_samereg()
276 	bit_r0 = BIT(spec_pupd_pin->r0_bit);  in mtk_pctrl_spec_pull_set_samereg()
277 	bit_r1 = BIT(spec_pupd_pin->r1_bit);  in mtk_pctrl_spec_pull_set_samereg()
281 		regmap_write(regmap, reg_rst, bit_r0);  in mtk_pctrl_spec_pull_set_samereg()
282 		regmap_write(regmap, reg_rst, bit_r1);  in mtk_pctrl_spec_pull_set_samereg()
285 		regmap_write(regmap, reg_set, bit_r0);  in mtk_pctrl_spec_pull_set_samereg()
286 		regmap_write(regmap, reg_rst, bit_r1);  in mtk_pctrl_spec_pull_set_samereg()
289 		regmap_write(regmap, reg_rst, bit_r0);  in mtk_pctrl_spec_pull_set_samereg()
290 		regmap_write(regmap, reg_set, bit_r1);  in mtk_pctrl_spec_pull_set_samereg()
293 		regmap_write(regmap, reg_set, bit_r0);  in mtk_pctrl_spec_pull_set_samereg()
294 		regmap_write(regmap, reg_set, bit_r1);  in mtk_pctrl_spec_pull_set_samereg()
297 		return -EINVAL;  in mtk_pctrl_spec_pull_set_samereg()
303 static int mtk_pconf_set_pull_select(struct mtk_pinctrl *pctl,  in mtk_pconf_set_pull_select()  argument
314 	if (pctl->devdata->spec_pull_set) {  in mtk_pconf_set_pull_select()
315 		/* For special pins, bias-disable is set by R1R0,  in mtk_pconf_set_pull_select()
319 		ret = pctl->devdata->spec_pull_set(mtk_get_regmap(pctl, pin),  in mtk_pconf_set_pull_select()
320 						   pctl->devdata, pin, isup,  in mtk_pconf_set_pull_select()
328 		dev_err(pctl->dev, "invalid pull-up argument %d on pin %d .\n",  in mtk_pconf_set_pull_select()
330 		return -EINVAL;  in mtk_pconf_set_pull_select()
333 	bit = BIT(pin & pctl->devdata->mode_mask);  in mtk_pconf_set_pull_select()
335 		reg_pullen = SET_ADDR(mtk_get_port(pctl, pin) +  in mtk_pconf_set_pull_select()
336 			pctl->devdata->pullen_offset, pctl);  in mtk_pconf_set_pull_select()
338 		reg_pullen = CLR_ADDR(mtk_get_port(pctl, pin) +  in mtk_pconf_set_pull_select()
339 			pctl->devdata->pullen_offset, pctl);  in mtk_pconf_set_pull_select()
342 		reg_pullsel = SET_ADDR(mtk_get_port(pctl, pin) +  in mtk_pconf_set_pull_select()
343 			pctl->devdata->pullsel_offset, pctl);  in mtk_pconf_set_pull_select()
345 		reg_pullsel = CLR_ADDR(mtk_get_port(pctl, pin) +  in mtk_pconf_set_pull_select()
346 			pctl->devdata->pullsel_offset, pctl);  in mtk_pconf_set_pull_select()
348 	regmap_write(mtk_get_regmap(pctl, pin), reg_pullen, bit);  in mtk_pconf_set_pull_select()
349 	regmap_write(mtk_get_regmap(pctl, pin), reg_pullsel, bit);  in mtk_pconf_set_pull_select()
358 	struct mtk_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);  in mtk_pconf_parse_conf()  local
362 		ret = mtk_pconf_set_pull_select(pctl, pin, false, false, arg);  in mtk_pconf_parse_conf()
365 		ret = mtk_pconf_set_pull_select(pctl, pin, true, true, arg);  in mtk_pconf_parse_conf()
368 		ret = mtk_pconf_set_pull_select(pctl, pin, true, false, arg);  in mtk_pconf_parse_conf()
372 		ret = mtk_pconf_set_ies_smt(pctl, pin, arg, param);  in mtk_pconf_parse_conf()
375 		mtk_gpio_set(pctl->chip, pin, arg);  in mtk_pconf_parse_conf()
380 		ret = mtk_pconf_set_ies_smt(pctl, pin, arg, param);  in mtk_pconf_parse_conf()
383 		ret = mtk_pconf_set_driving(pctl, pin, arg);  in mtk_pconf_parse_conf()
386 		ret = -EINVAL;  in mtk_pconf_parse_conf()
396 	struct mtk_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);  in mtk_pconf_group_get()  local
398 	*config = pctl->groups[group].config;  in mtk_pconf_group_get()
406 	struct mtk_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);  in mtk_pconf_group_set()  local
407 	struct mtk_pinctrl_group *g = &pctl->groups[group];  in mtk_pconf_group_set()
411 		ret = mtk_pconf_parse_conf(pctldev, g->pin,  in mtk_pconf_group_set()
417 		g->config = configs[i];  in mtk_pconf_group_set()
429 mtk_pctrl_find_group_by_pin(struct mtk_pinctrl *pctl, u32 pin)  in mtk_pctrl_find_group_by_pin()  argument
433 	for (i = 0; i < pctl->ngroups; i++) {  in mtk_pctrl_find_group_by_pin()
434 		struct mtk_pinctrl_group *grp = pctl->groups + i;  in mtk_pctrl_find_group_by_pin()
436 		if (grp->pin == pin)  in mtk_pctrl_find_group_by_pin()
444 		struct mtk_pinctrl *pctl, u32 pin_num, u32 fnum)  in mtk_pctrl_find_function_by_pin()  argument
446 	const struct mtk_desc_pin *pin = pctl->devdata->pins + pin_num;  in mtk_pctrl_find_function_by_pin()
447 	const struct mtk_desc_function *func = pin->functions;  in mtk_pctrl_find_function_by_pin()
449 	while (func && func->name) {  in mtk_pctrl_find_function_by_pin()
450 		if (func->muxval == fnum)  in mtk_pctrl_find_function_by_pin()
458 static bool mtk_pctrl_is_function_valid(struct mtk_pinctrl *pctl,  in mtk_pctrl_is_function_valid()  argument
463 	for (i = 0; i < pctl->devdata->npins; i++) {  in mtk_pctrl_is_function_valid()
464 		const struct mtk_desc_pin *pin = pctl->devdata->pins + i;  in mtk_pctrl_is_function_valid()
466 		if (pin->pin.number == pin_num) {  in mtk_pctrl_is_function_valid()
468 					pin->functions;  in mtk_pctrl_is_function_valid()
470 			while (func && func->name) {  in mtk_pctrl_is_function_valid()
471 				if (func->muxval == fnum)  in mtk_pctrl_is_function_valid()
483 static int mtk_pctrl_dt_node_to_map_func(struct mtk_pinctrl *pctl,  in mtk_pctrl_dt_node_to_map_func()  argument
491 		return -ENOSPC;  in mtk_pctrl_dt_node_to_map_func()
494 	(*map)[*num_maps].data.mux.group = grp->name;  in mtk_pctrl_dt_node_to_map_func()
496 	ret = mtk_pctrl_is_function_valid(pctl, pin, fnum);  in mtk_pctrl_dt_node_to_map_func()
498 		dev_err(pctl->dev, "invalid function %d on pin %d .\n",  in mtk_pctrl_dt_node_to_map_func()
500 		return -EINVAL;  in mtk_pctrl_dt_node_to_map_func()
524 	struct mtk_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);  in mtk_pctrl_dt_subnode_to_map()  local
528 		dev_err(pctl->dev, "missing pins property in node %pOFn .\n",  in mtk_pctrl_dt_subnode_to_map()
530 		return -EINVAL;  in mtk_pctrl_dt_subnode_to_map()
541 	num_pins = pins->length / sizeof(u32);  in mtk_pctrl_dt_subnode_to_map()
550 		err = -EINVAL;  in mtk_pctrl_dt_subnode_to_map()
570 		if (pin >= pctl->devdata->npins ||  in mtk_pctrl_dt_subnode_to_map()
572 			dev_err(pctl->dev, "invalid pins value.\n");  in mtk_pctrl_dt_subnode_to_map()
573 			err = -EINVAL;  in mtk_pctrl_dt_subnode_to_map()
577 		grp = mtk_pctrl_find_group_by_pin(pctl, pin);  in mtk_pctrl_dt_subnode_to_map()
579 			dev_err(pctl->dev, "unable to match pin %d to group\n",  in mtk_pctrl_dt_subnode_to_map()
581 			err = -EINVAL;  in mtk_pctrl_dt_subnode_to_map()
585 		err = mtk_pctrl_dt_node_to_map_func(pctl, pin, func, grp, map,  in mtk_pctrl_dt_subnode_to_map()
592 					reserved_maps, num_maps, grp->name,  in mtk_pctrl_dt_subnode_to_map()
634 	struct mtk_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);  in mtk_pctrl_get_groups_count()  local
636 	return pctl->ngroups;  in mtk_pctrl_get_groups_count()
642 	struct mtk_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);  in mtk_pctrl_get_group_name()  local
644 	return pctl->groups[group].name;  in mtk_pctrl_get_group_name()
652 	struct mtk_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);  in mtk_pctrl_get_group_pins()  local
654 	*pins = (unsigned *)&pctl->groups[group].pin;  in mtk_pctrl_get_group_pins()
684 	struct mtk_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);  in mtk_pmx_get_func_groups()  local
686 	*groups = pctl->grp_names;  in mtk_pmx_get_func_groups()
687 	*num_groups = pctl->ngroups;  in mtk_pmx_get_func_groups()
698 	unsigned int mask = (1L << GPIO_MODE_BITS) - 1;  in mtk_pmx_set_mode()
699 	struct mtk_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);  in mtk_pmx_set_mode()  local
701 	if (pctl->devdata->spec_pinmux_set)  in mtk_pmx_set_mode()
702 		pctl->devdata->spec_pinmux_set(mtk_get_regmap(pctl, pin),  in mtk_pmx_set_mode()
705 	reg_addr = ((pin / pctl->devdata->mode_per_reg) << pctl->devdata->port_shf)  in mtk_pmx_set_mode()
706 			+ pctl->devdata->pinmux_offset;  in mtk_pmx_set_mode()
709 	bit = pin % pctl->devdata->mode_per_reg;  in mtk_pmx_set_mode()
712 	return regmap_update_bits(mtk_get_regmap(pctl, pin),  in mtk_pmx_set_mode()
717 mtk_find_pin_by_eint_num(struct mtk_pinctrl *pctl, unsigned int eint_num)  in mtk_find_pin_by_eint_num()  argument
722 	for (i = 0; i < pctl->devdata->npins; i++) {  in mtk_find_pin_by_eint_num()
723 		pin = pctl->devdata->pins + i;  in mtk_find_pin_by_eint_num()
724 		if (pin->eint.eintnum == eint_num)  in mtk_find_pin_by_eint_num()
737 	struct mtk_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);  in mtk_pmx_set_mux()  local
738 	struct mtk_pinctrl_group *g = pctl->groups + group;  in mtk_pmx_set_mux()
740 	ret = mtk_pctrl_is_function_valid(pctl, g->pin, function);  in mtk_pmx_set_mux()
742 		dev_err(pctl->dev, "invalid function %d on group %d .\n",  in mtk_pmx_set_mux()
744 		return -EINVAL;  in mtk_pmx_set_mux()
747 	desc = mtk_pctrl_find_function_by_pin(pctl, g->pin, function);  in mtk_pmx_set_mux()
749 		return -EINVAL;  in mtk_pmx_set_mux()
750 	mtk_pmx_set_mode(pctldev, g->pin, desc->muxval);  in mtk_pmx_set_mux()
754 static int mtk_pmx_find_gpio_mode(struct mtk_pinctrl *pctl,  in mtk_pmx_find_gpio_mode()  argument
757 	const struct mtk_desc_pin *pin = pctl->devdata->pins + offset;  in mtk_pmx_find_gpio_mode()
758 	const struct mtk_desc_function *func = pin->functions;  in mtk_pmx_find_gpio_mode()
760 	while (func && func->name) {  in mtk_pmx_find_gpio_mode()
761 		if (!strncmp(func->name, GPIO_MODE_PREFIX,  in mtk_pmx_find_gpio_mode()
762 			sizeof(GPIO_MODE_PREFIX)-1))  in mtk_pmx_find_gpio_mode()
763 			return func->muxval;  in mtk_pmx_find_gpio_mode()
766 	return -EINVAL;  in mtk_pmx_find_gpio_mode()
774 	struct mtk_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);  in mtk_pmx_gpio_request_enable()  local
776 	muxval = mtk_pmx_find_gpio_mode(pctl, offset);  in mtk_pmx_gpio_request_enable()
779 		dev_err(pctl->dev, "invalid gpio pin %d.\n", offset);  in mtk_pmx_gpio_request_enable()
780 		return -EINVAL;  in mtk_pmx_gpio_request_enable()
784 	mtk_pconf_set_ies_smt(pctl, offset, 1, PIN_CONFIG_INPUT_ENABLE);  in mtk_pmx_gpio_request_enable()
801 	return pinctrl_gpio_direction_input(chip->base + offset);  in mtk_gpio_direction_input()
808 	return pinctrl_gpio_direction_output(chip->base + offset);  in mtk_gpio_direction_output()
817 	struct mtk_pinctrl *pctl = gpiochip_get_data(chip);  in mtk_gpio_get_direction()  local
819 	reg_addr =  mtk_get_port(pctl, offset) + pctl->devdata->dir_offset;  in mtk_gpio_get_direction()
820 	bit = BIT(offset & pctl->devdata->mode_mask);  in mtk_gpio_get_direction()
822 	if (pctl->devdata->spec_dir_set)  in mtk_gpio_get_direction()
823 		pctl->devdata->spec_dir_set(&reg_addr, offset);  in mtk_gpio_get_direction()
825 	regmap_read(pctl->regmap1, reg_addr, &read_val);  in mtk_gpio_get_direction()
837 	struct mtk_pinctrl *pctl = gpiochip_get_data(chip);  in mtk_gpio_get()  local
839 	reg_addr = mtk_get_port(pctl, offset) +  in mtk_gpio_get()
840 		pctl->devdata->din_offset;  in mtk_gpio_get()
842 	bit = BIT(offset & pctl->devdata->mode_mask);  in mtk_gpio_get()
843 	regmap_read(pctl->regmap1, reg_addr, &read_val);  in mtk_gpio_get()
849 	struct mtk_pinctrl *pctl = gpiochip_get_data(chip);  in mtk_gpio_to_irq()  local
853 	pin = pctl->devdata->pins + offset;  in mtk_gpio_to_irq()
854 	if (pin->eint.eintnum == NO_EINT_SUPPORT)  in mtk_gpio_to_irq()
855 		return -EINVAL;  in mtk_gpio_to_irq()
857 	eint_n = pin->eint.eintnum;  in mtk_gpio_to_irq()
859 	return mtk_eint_find_irq(pctl->eint, eint_n);  in mtk_gpio_to_irq()
865 	struct mtk_pinctrl *pctl = gpiochip_get_data(chip);  in mtk_gpio_set_config()  local
871 		return -ENOTSUPP;  in mtk_gpio_set_config()
873 	pin = pctl->devdata->pins + offset;  in mtk_gpio_set_config()
874 	if (pin->eint.eintnum == NO_EINT_SUPPORT)  in mtk_gpio_set_config()
875 		return -EINVAL;  in mtk_gpio_set_config()
878 	eint_n = pin->eint.eintnum;  in mtk_gpio_set_config()
880 	return mtk_eint_set_debounce(pctl->eint, eint_n, debounce);  in mtk_gpio_set_config()
899 	struct mtk_pinctrl *pctl = dev_get_drvdata(device);  in mtk_eint_suspend()  local
901 	return mtk_eint_do_suspend(pctl->eint);  in mtk_eint_suspend()
906 	struct mtk_pinctrl *pctl = dev_get_drvdata(device);  in mtk_eint_resume()  local
908 	return mtk_eint_do_resume(pctl->eint);  in mtk_eint_resume()
918 	struct mtk_pinctrl *pctl = platform_get_drvdata(pdev);  in mtk_pctrl_build_state()  local
921 	pctl->ngroups = pctl->devdata->npins;  in mtk_pctrl_build_state()
924 	pctl->groups = devm_kcalloc(&pdev->dev, pctl->ngroups,  in mtk_pctrl_build_state()
925 				    sizeof(*pctl->groups), GFP_KERNEL);  in mtk_pctrl_build_state()
926 	if (!pctl->groups)  in mtk_pctrl_build_state()
927 		return -ENOMEM;  in mtk_pctrl_build_state()
930 	pctl->grp_names = devm_kcalloc(&pdev->dev, pctl->ngroups,  in mtk_pctrl_build_state()
931 				       sizeof(*pctl->grp_names), GFP_KERNEL);  in mtk_pctrl_build_state()
932 	if (!pctl->grp_names)  in mtk_pctrl_build_state()
933 		return -ENOMEM;  in mtk_pctrl_build_state()
935 	for (i = 0; i < pctl->devdata->npins; i++) {  in mtk_pctrl_build_state()
936 		const struct mtk_desc_pin *pin = pctl->devdata->pins + i;  in mtk_pctrl_build_state()
937 		struct mtk_pinctrl_group *group = pctl->groups + i;  in mtk_pctrl_build_state()
939 		group->name = pin->pin.name;  in mtk_pctrl_build_state()
940 		group->pin = pin->pin.number;  in mtk_pctrl_build_state()
942 		pctl->grp_names[i] = pin->pin.name;  in mtk_pctrl_build_state()
952 	struct mtk_pinctrl *pctl = (struct mtk_pinctrl *)data;  in mtk_xt_get_gpio_n()  local
955 	pin = mtk_find_pin_by_eint_num(pctl, eint_n);  in mtk_xt_get_gpio_n()
957 		return -EINVAL;  in mtk_xt_get_gpio_n()
959 	*gpio_chip = pctl->chip;  in mtk_xt_get_gpio_n()
960 	*gpio_n = pin->pin.number;  in mtk_xt_get_gpio_n()
967 	struct mtk_pinctrl *pctl = (struct mtk_pinctrl *)data;  in mtk_xt_get_gpio_state()  local
970 	pin = mtk_find_pin_by_eint_num(pctl, eint_n);  in mtk_xt_get_gpio_state()
972 		return -EINVAL;  in mtk_xt_get_gpio_state()
974 	return mtk_gpio_get(pctl->chip, pin->pin.number);  in mtk_xt_get_gpio_state()
979 	struct mtk_pinctrl *pctl = (struct mtk_pinctrl *)data;  in mtk_xt_set_gpio_as_eint()  local
982 	pin = mtk_find_pin_by_eint_num(pctl, eint_n);  in mtk_xt_set_gpio_as_eint()
984 		return -EINVAL;  in mtk_xt_set_gpio_as_eint()
987 	mtk_pmx_set_mode(pctl->pctl_dev, pin->pin.number, pin->eint.eintmux);  in mtk_xt_set_gpio_as_eint()
989 	mtk_pmx_gpio_set_direction(pctl->pctl_dev, NULL, pin->pin.number,  in mtk_xt_set_gpio_as_eint()
991 	/* set input-enable */  in mtk_xt_set_gpio_as_eint()
992 	mtk_pconf_set_ies_smt(pctl, pin->pin.number, 1,  in mtk_xt_set_gpio_as_eint()
1004 static int mtk_eint_init(struct mtk_pinctrl *pctl, struct platform_device *pdev)  in mtk_eint_init()  argument
1006 	struct device_node *np = pdev->dev.of_node;  in mtk_eint_init()
1008 	if (!of_property_read_bool(np, "interrupt-controller"))  in mtk_eint_init()
1009 		return -ENODEV;  in mtk_eint_init()
1011 	pctl->eint = devm_kzalloc(pctl->dev, sizeof(*pctl->eint), GFP_KERNEL);  in mtk_eint_init()
1012 	if (!pctl->eint)  in mtk_eint_init()
1013 		return -ENOMEM;  in mtk_eint_init()
1015 	pctl->eint->base = devm_platform_ioremap_resource(pdev, 0);  in mtk_eint_init()
1016 	if (IS_ERR(pctl->eint->base))  in mtk_eint_init()
1017 		return PTR_ERR(pctl->eint->base);  in mtk_eint_init()
1019 	pctl->eint->irq = irq_of_parse_and_map(np, 0);  in mtk_eint_init()
1020 	if (!pctl->eint->irq)  in mtk_eint_init()
1021 		return -EINVAL;  in mtk_eint_init()
1023 	pctl->eint->dev = &pdev->dev;  in mtk_eint_init()
1025 	 * If pctl->eint->regs == NULL, it would fall back into using a generic  in mtk_eint_init()
1028 	pctl->eint->regs = pctl->devdata->eint_regs;  in mtk_eint_init()
1029 	pctl->eint->hw = &pctl->devdata->eint_hw;  in mtk_eint_init()
1030 	pctl->eint->pctl = pctl;  in mtk_eint_init()
1031 	pctl->eint->gpio_xlate = &mtk_eint_xt;  in mtk_eint_init()
1033 	return mtk_eint_do_init(pctl->eint);  in mtk_eint_init()
1039 		struct regmap *regmap)  in mtk_pctrl_init()  argument
1041 	struct device *dev = &pdev->dev;  in mtk_pctrl_init()
1043 	struct mtk_pinctrl *pctl;  in mtk_pctrl_init()  local
1044 	struct device_node *np = pdev->dev.of_node, *node;  in mtk_pctrl_init()
1048 	pctl = devm_kzalloc(&pdev->dev, sizeof(*pctl), GFP_KERNEL);  in mtk_pctrl_init()
1049 	if (!pctl)  in mtk_pctrl_init()
1050 		return -ENOMEM;  in mtk_pctrl_init()
1052 	platform_set_drvdata(pdev, pctl);  in mtk_pctrl_init()
1054 	prop = of_find_property(np, "pins-are-numbered", NULL);  in mtk_pctrl_init()
1056 		return dev_err_probe(dev, -EINVAL,  in mtk_pctrl_init()
1057 				     "only support pins-are-numbered format\n");  in mtk_pctrl_init()
1059 	node = of_parse_phandle(np, "mediatek,pctl-regmap", 0);  in mtk_pctrl_init()
1061 		pctl->regmap1 = syscon_node_to_regmap(node);  in mtk_pctrl_init()
1063 		if (IS_ERR(pctl->regmap1))  in mtk_pctrl_init()
1064 			return PTR_ERR(pctl->regmap1);  in mtk_pctrl_init()
1065 	} else if (regmap) {  in mtk_pctrl_init()
1066 		pctl->regmap1  = regmap;  in mtk_pctrl_init()
1068 		return dev_err_probe(dev, -EINVAL, "Cannot find pinctrl regmap.\n");  in mtk_pctrl_init()
1072 	node = of_parse_phandle(np, "mediatek,pctl-regmap", 1);  in mtk_pctrl_init()
1074 		pctl->regmap2 = syscon_node_to_regmap(node);  in mtk_pctrl_init()
1076 		if (IS_ERR(pctl->regmap2))  in mtk_pctrl_init()
1077 			return PTR_ERR(pctl->regmap2);  in mtk_pctrl_init()
1080 	pctl->devdata = data;  in mtk_pctrl_init()
1085 	pins = devm_kcalloc(&pdev->dev, pctl->devdata->npins, sizeof(*pins),  in mtk_pctrl_init()
1088 		return -ENOMEM;  in mtk_pctrl_init()
1090 	for (i = 0; i < pctl->devdata->npins; i++)  in mtk_pctrl_init()
1091 		pins[i] = pctl->devdata->pins[i].pin;  in mtk_pctrl_init()
1093 	pctl->pctl_desc.name = dev_name(&pdev->dev);  in mtk_pctrl_init()
1094 	pctl->pctl_desc.owner = THIS_MODULE;  in mtk_pctrl_init()
1095 	pctl->pctl_desc.pins = pins;  in mtk_pctrl_init()
1096 	pctl->pctl_desc.npins = pctl->devdata->npins;  in mtk_pctrl_init()
1097 	pctl->pctl_desc.confops = &mtk_pconf_ops;  in mtk_pctrl_init()
1098 	pctl->pctl_desc.pctlops = &mtk_pctrl_ops;  in mtk_pctrl_init()
1099 	pctl->pctl_desc.pmxops = &mtk_pmx_ops;  in mtk_pctrl_init()
1100 	pctl->dev = &pdev->dev;  in mtk_pctrl_init()
1102 	pctl->pctl_dev = devm_pinctrl_register(&pdev->dev, &pctl->pctl_desc,  in mtk_pctrl_init()
1103 					       pctl);  in mtk_pctrl_init()
1104 	if (IS_ERR(pctl->pctl_dev))  in mtk_pctrl_init()
1105 		return dev_err_probe(dev, PTR_ERR(pctl->pctl_dev),  in mtk_pctrl_init()
1108 	pctl->chip = devm_kzalloc(&pdev->dev, sizeof(*pctl->chip), GFP_KERNEL);  in mtk_pctrl_init()
1109 	if (!pctl->chip)  in mtk_pctrl_init()
1110 		return -ENOMEM;  in mtk_pctrl_init()
1112 	*pctl->chip = mtk_gpio_chip;  in mtk_pctrl_init()
1113 	pctl->chip->ngpio = pctl->devdata->npins;  in mtk_pctrl_init()
1114 	pctl->chip->label = dev_name(&pdev->dev);  in mtk_pctrl_init()
1115 	pctl->chip->parent = &pdev->dev;  in mtk_pctrl_init()
1116 	pctl->chip->base = -1;  in mtk_pctrl_init()
1118 	ret = gpiochip_add_data(pctl->chip, pctl);  in mtk_pctrl_init()
1120 		return -EINVAL;  in mtk_pctrl_init()
1123 	ret = gpiochip_add_pin_range(pctl->chip, dev_name(&pdev->dev),  in mtk_pctrl_init()
1124 			0, 0, pctl->devdata->npins);  in mtk_pctrl_init()
1126 		ret = -EINVAL;  in mtk_pctrl_init()
1130 	ret = mtk_eint_init(pctl, pdev);  in mtk_pctrl_init()
1137 	gpiochip_remove(pctl->chip);  in mtk_pctrl_init()
1143 	struct device *dev = &pdev->dev;  in mtk_pctrl_common_probe()
1147 		return -ENODEV;  in mtk_pctrl_common_probe()