2 * Pinctrl driver for Rockchip SoCs
4 * Copyright (c) 2013 MundoReader S.L.
5 * Author: Heiko Stuebner <heiko@sntech.de>
7 * With some ideas taken from pinctrl-samsung:
8 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
9 * http://www.samsung.com
10 * Copyright (c) 2012 Linaro Ltd
11 * http://www.linaro.org
14 * Copyright (C) 2011-2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License version 2 as published
18 * by the Free Software Foundation.
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
26 #include <linux/init.h>
27 #include <linux/platform_device.h>
29 #include <linux/bitops.h>
30 #include <linux/gpio.h>
31 #include <linux/of_address.h>
32 #include <linux/of_irq.h>
33 #include <linux/pinctrl/machine.h>
34 #include <linux/pinctrl/pinconf.h>
35 #include <linux/pinctrl/pinctrl.h>
36 #include <linux/pinctrl/pinmux.h>
37 #include <linux/pinctrl/pinconf-generic.h>
38 #include <linux/irqchip/chained_irq.h>
39 #include <linux/clk.h>
40 #include <linux/regmap.h>
41 #include <linux/mfd/syscon.h>
42 #include <dt-bindings/pinctrl/rockchip.h>
47 /* GPIO control registers */
48 #define GPIO_SWPORT_DR 0x00
49 #define GPIO_SWPORT_DDR 0x04
50 #define GPIO_INTEN 0x30
51 #define GPIO_INTMASK 0x34
52 #define GPIO_INTTYPE_LEVEL 0x38
53 #define GPIO_INT_POLARITY 0x3c
54 #define GPIO_INT_STATUS 0x40
55 #define GPIO_INT_RAWSTATUS 0x44
56 #define GPIO_DEBOUNCE 0x48
57 #define GPIO_PORTS_EOI 0x4c
58 #define GPIO_EXT_PORT 0x50
59 #define GPIO_LS_SYNC 0x60
61 enum rockchip_pinctrl_type {
73 * Encode variants of iomux registers into a type variable
75 #define IOMUX_GPIO_ONLY BIT(0)
76 #define IOMUX_WIDTH_4BIT BIT(1)
77 #define IOMUX_SOURCE_PMU BIT(2)
78 #define IOMUX_UNROUTED BIT(3)
79 #define IOMUX_WIDTH_3BIT BIT(4)
82 * @type: iomux variant using IOMUX_* constants
83 * @offset: if initialized to -1 it will be autocalculated, by specifying
84 * an initial offset value the relevant source offset can be reset
85 * to a new value for autocalculating the following iomux registers.
87 struct rockchip_iomux {
93 * enum type index corresponding to rockchip_perpin_drv_list arrays index.
95 enum rockchip_pin_drv_type {
96 DRV_TYPE_IO_DEFAULT = 0,
97 DRV_TYPE_IO_1V8_OR_3V0,
99 DRV_TYPE_IO_1V8_3V0_AUTO,
100 DRV_TYPE_IO_3V3_ONLY,
105 * enum type index corresponding to rockchip_pull_list arrays index.
107 enum rockchip_pin_pull_type {
108 PULL_TYPE_IO_DEFAULT = 0,
109 PULL_TYPE_IO_1V8_ONLY,
114 * @drv_type: drive strength variant using rockchip_perpin_drv_type
115 * @offset: if initialized to -1 it will be autocalculated, by specifying
116 * an initial offset value the relevant source offset can be reset
117 * to a new value for autocalculating the following drive strength
118 * registers. if used chips own cal_drv func instead to calculate
119 * registers offset, the variant could be ignored.
121 struct rockchip_drv {
122 enum rockchip_pin_drv_type drv_type;
127 * @reg_base: register base of the gpio bank
128 * @reg_pull: optional separate register for additional pull settings
129 * @clk: clock of the gpio bank
130 * @irq: interrupt of the gpio bank
131 * @saved_masks: Saved content of GPIO_INTEN at suspend time.
132 * @pin_base: first pin number
133 * @nr_pins: number of pins in this bank
134 * @name: name of the bank
135 * @bank_num: number of the bank, to account for holes
136 * @iomux: array describing the 4 iomux sources of the bank
137 * @drv: array describing the 4 drive strength sources of the bank
138 * @pull_type: array describing the 4 pull type sources of the bank
139 * @valid: is all necessary information present
140 * @of_node: dt node of this bank
141 * @drvdata: common pinctrl basedata
142 * @domain: irqdomain of the gpio bank
143 * @gpio_chip: gpiolib chip
144 * @grange: gpio range
145 * @slock: spinlock for the gpio bank
146 * @route_mask: bits describing the routing pins of per bank
148 struct rockchip_pin_bank {
149 void __iomem *reg_base;
150 struct regmap *regmap_pull;
158 struct rockchip_iomux iomux[4];
159 struct rockchip_drv drv[4];
160 enum rockchip_pin_pull_type pull_type[4];
162 struct device_node *of_node;
163 struct rockchip_pinctrl *drvdata;
164 struct irq_domain *domain;
165 struct gpio_chip gpio_chip;
166 struct pinctrl_gpio_range grange;
167 raw_spinlock_t slock;
168 u32 toggle_edge_mode;
173 #define PIN_BANK(id, pins, label) \
186 #define PIN_BANK_IOMUX_FLAGS(id, pins, label, iom0, iom1, iom2, iom3) \
192 { .type = iom0, .offset = -1 }, \
193 { .type = iom1, .offset = -1 }, \
194 { .type = iom2, .offset = -1 }, \
195 { .type = iom3, .offset = -1 }, \
199 #define PIN_BANK_DRV_FLAGS(id, pins, label, type0, type1, type2, type3) \
211 { .drv_type = type0, .offset = -1 }, \
212 { .drv_type = type1, .offset = -1 }, \
213 { .drv_type = type2, .offset = -1 }, \
214 { .drv_type = type3, .offset = -1 }, \
218 #define PIN_BANK_DRV_FLAGS_PULL_FLAGS(id, pins, label, drv0, drv1, \
219 drv2, drv3, pull0, pull1, \
232 { .drv_type = drv0, .offset = -1 }, \
233 { .drv_type = drv1, .offset = -1 }, \
234 { .drv_type = drv2, .offset = -1 }, \
235 { .drv_type = drv3, .offset = -1 }, \
237 .pull_type[0] = pull0, \
238 .pull_type[1] = pull1, \
239 .pull_type[2] = pull2, \
240 .pull_type[3] = pull3, \
243 #define PIN_BANK_IOMUX_DRV_FLAGS_OFFSET(id, pins, label, iom0, iom1, \
244 iom2, iom3, drv0, drv1, drv2, \
245 drv3, offset0, offset1, \
252 { .type = iom0, .offset = -1 }, \
253 { .type = iom1, .offset = -1 }, \
254 { .type = iom2, .offset = -1 }, \
255 { .type = iom3, .offset = -1 }, \
258 { .drv_type = drv0, .offset = offset0 }, \
259 { .drv_type = drv1, .offset = offset1 }, \
260 { .drv_type = drv2, .offset = offset2 }, \
261 { .drv_type = drv3, .offset = offset3 }, \
265 #define PIN_BANK_IOMUX_FLAGS_DRV_FLAGS_OFFSET_PULL_FLAGS(id, pins, \
266 label, iom0, iom1, iom2, \
267 iom3, drv0, drv1, drv2, \
268 drv3, offset0, offset1, \
269 offset2, offset3, pull0, \
270 pull1, pull2, pull3) \
276 { .type = iom0, .offset = -1 }, \
277 { .type = iom1, .offset = -1 }, \
278 { .type = iom2, .offset = -1 }, \
279 { .type = iom3, .offset = -1 }, \
282 { .drv_type = drv0, .offset = offset0 }, \
283 { .drv_type = drv1, .offset = offset1 }, \
284 { .drv_type = drv2, .offset = offset2 }, \
285 { .drv_type = drv3, .offset = offset3 }, \
287 .pull_type[0] = pull0, \
288 .pull_type[1] = pull1, \
289 .pull_type[2] = pull2, \
290 .pull_type[3] = pull3, \
294 * struct rockchip_mux_recalced_data: represent a pin iomux data.
297 * @bit: index at register.
298 * @reg: register offset.
301 struct rockchip_mux_recalced_data {
310 * struct rockchip_mux_recalced_data: represent a pin iomux data.
311 * @bank_num: bank number.
312 * @pin: index at register or used to calc index.
313 * @func: the min pin.
314 * @route_offset: the max pin.
315 * @route_val: the register offset.
317 struct rockchip_mux_route_data {
327 struct rockchip_pin_ctrl {
328 struct rockchip_pin_bank *pin_banks;
332 enum rockchip_pinctrl_type type;
337 struct rockchip_mux_recalced_data *iomux_recalced;
339 struct rockchip_mux_route_data *iomux_routes;
342 void (*pull_calc_reg)(struct rockchip_pin_bank *bank,
343 int pin_num, struct regmap **regmap,
345 void (*drv_calc_reg)(struct rockchip_pin_bank *bank,
346 int pin_num, struct regmap **regmap,
348 int (*schmitt_calc_reg)(struct rockchip_pin_bank *bank,
349 int pin_num, struct regmap **regmap,
353 struct rockchip_pin_config {
355 unsigned long *configs;
356 unsigned int nconfigs;
360 * struct rockchip_pin_group: represent group of pins of a pinmux function.
361 * @name: name of the pin group, used to lookup the group.
362 * @pins: the pins included in this group.
363 * @npins: number of pins included in this group.
364 * @func: the mux function number to be programmed when selected.
365 * @configs: the config values to be set for each pin
366 * @nconfigs: number of configs for each pin
368 struct rockchip_pin_group {
372 struct rockchip_pin_config *data;
376 * struct rockchip_pmx_func: represent a pin function.
377 * @name: name of the pin function, used to lookup the function.
378 * @groups: one or more names of pin groups that provide this function.
379 * @num_groups: number of groups included in @groups.
381 struct rockchip_pmx_func {
387 struct rockchip_pinctrl {
388 struct regmap *regmap_base;
390 struct regmap *regmap_pull;
391 struct regmap *regmap_pmu;
393 struct rockchip_pin_ctrl *ctrl;
394 struct pinctrl_desc pctl;
395 struct pinctrl_dev *pctl_dev;
396 struct rockchip_pin_group *groups;
397 unsigned int ngroups;
398 struct rockchip_pmx_func *functions;
399 unsigned int nfunctions;
402 static struct regmap_config rockchip_regmap_config = {
408 static inline const struct rockchip_pin_group *pinctrl_name_to_group(
409 const struct rockchip_pinctrl *info,
414 for (i = 0; i < info->ngroups; i++) {
415 if (!strcmp(info->groups[i].name, name))
416 return &info->groups[i];
423 * given a pin number that is local to a pin controller, find out the pin bank
424 * and the register base of the pin bank.
426 static struct rockchip_pin_bank *pin_to_bank(struct rockchip_pinctrl *info,
429 struct rockchip_pin_bank *b = info->ctrl->pin_banks;
431 while (pin >= (b->pin_base + b->nr_pins))
437 static struct rockchip_pin_bank *bank_num_to_bank(
438 struct rockchip_pinctrl *info,
441 struct rockchip_pin_bank *b = info->ctrl->pin_banks;
444 for (i = 0; i < info->ctrl->nr_banks; i++, b++) {
445 if (b->bank_num == num)
449 return ERR_PTR(-EINVAL);
453 * Pinctrl_ops handling
456 static int rockchip_get_groups_count(struct pinctrl_dev *pctldev)
458 struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
460 return info->ngroups;
463 static const char *rockchip_get_group_name(struct pinctrl_dev *pctldev,
466 struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
468 return info->groups[selector].name;
471 static int rockchip_get_group_pins(struct pinctrl_dev *pctldev,
472 unsigned selector, const unsigned **pins,
475 struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
477 if (selector >= info->ngroups)
480 *pins = info->groups[selector].pins;
481 *npins = info->groups[selector].npins;
486 static int rockchip_dt_node_to_map(struct pinctrl_dev *pctldev,
487 struct device_node *np,
488 struct pinctrl_map **map, unsigned *num_maps)
490 struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
491 const struct rockchip_pin_group *grp;
492 struct pinctrl_map *new_map;
493 struct device_node *parent;
498 * first find the group of this node and check if we need to create
499 * config maps for pins
501 grp = pinctrl_name_to_group(info, np->name);
503 dev_err(info->dev, "unable to find group for node %s\n",
508 map_num += grp->npins;
509 new_map = devm_kzalloc(pctldev->dev, sizeof(*new_map) * map_num,
518 parent = of_get_parent(np);
520 devm_kfree(pctldev->dev, new_map);
523 new_map[0].type = PIN_MAP_TYPE_MUX_GROUP;
524 new_map[0].data.mux.function = parent->name;
525 new_map[0].data.mux.group = np->name;
528 /* create config map */
530 for (i = 0; i < grp->npins; i++) {
531 new_map[i].type = PIN_MAP_TYPE_CONFIGS_PIN;
532 new_map[i].data.configs.group_or_pin =
533 pin_get_name(pctldev, grp->pins[i]);
534 new_map[i].data.configs.configs = grp->data[i].configs;
535 new_map[i].data.configs.num_configs = grp->data[i].nconfigs;
538 dev_dbg(pctldev->dev, "maps: function %s group %s num %d\n",
539 (*map)->data.mux.function, (*map)->data.mux.group, map_num);
544 static void rockchip_dt_free_map(struct pinctrl_dev *pctldev,
545 struct pinctrl_map *map, unsigned num_maps)
549 static const struct pinctrl_ops rockchip_pctrl_ops = {
550 .get_groups_count = rockchip_get_groups_count,
551 .get_group_name = rockchip_get_group_name,
552 .get_group_pins = rockchip_get_group_pins,
553 .dt_node_to_map = rockchip_dt_node_to_map,
554 .dt_free_map = rockchip_dt_free_map,
561 static struct rockchip_mux_recalced_data rv1108_mux_recalced_data[] = {
625 static struct rockchip_mux_recalced_data rk3128_mux_recalced_data[] = {
659 static struct rockchip_mux_recalced_data rk3328_mux_recalced_data[] = {
681 static void rockchip_get_recalced_mux(struct rockchip_pin_bank *bank, int pin,
682 int *reg, u8 *bit, int *mask)
684 struct rockchip_pinctrl *info = bank->drvdata;
685 struct rockchip_pin_ctrl *ctrl = info->ctrl;
686 struct rockchip_mux_recalced_data *data;
689 for (i = 0; i < ctrl->niomux_recalced; i++) {
690 data = &ctrl->iomux_recalced[i];
691 if (data->num == bank->bank_num &&
696 if (i >= ctrl->niomux_recalced)
704 static struct rockchip_mux_route_data rk3128_mux_route_data[] = {
710 .route_offset = 0x144,
711 .route_val = BIT(16 + 3) | BIT(16 + 4),
717 .route_offset = 0x144,
718 .route_val = BIT(16 + 3) | BIT(16 + 4) | BIT(3),
724 .route_offset = 0x144,
725 .route_val = BIT(16 + 3) | BIT(16 + 4) | BIT(4),
731 .route_offset = 0x144,
732 .route_val = BIT(16 + 5),
738 .route_offset = 0x144,
739 .route_val = BIT(16 + 5) | BIT(5),
745 .route_offset = 0x144,
746 .route_val = BIT(16 + 6),
752 .route_offset = 0x144,
753 .route_val = BIT(16 + 6) | BIT(6),
757 static struct rockchip_mux_route_data rk3228_mux_route_data[] = {
763 .route_offset = 0x50,
764 .route_val = BIT(16),
770 .route_offset = 0x50,
771 .route_val = BIT(16) | BIT(0),
777 .route_offset = 0x50,
778 .route_val = BIT(16 + 1),
784 .route_offset = 0x50,
785 .route_val = BIT(16 + 1) | BIT(1),
791 .route_offset = 0x50,
792 .route_val = BIT(16 + 2),
798 .route_offset = 0x50,
799 .route_val = BIT(16 + 2) | BIT(2),
805 .route_offset = 0x50,
806 .route_val = BIT(16 + 3),
812 .route_offset = 0x50,
813 .route_val = BIT(16 + 3) | BIT(3),
819 .route_offset = 0x50,
820 .route_val = BIT(16 + 4),
826 .route_offset = 0x50,
827 .route_val = BIT(16 + 4) | BIT(4),
833 .route_offset = 0x50,
834 .route_val = BIT(16 + 5),
840 .route_offset = 0x50,
841 .route_val = BIT(16 + 5) | BIT(5),
847 .route_offset = 0x50,
848 .route_val = BIT(16 + 7),
854 .route_offset = 0x50,
855 .route_val = BIT(16 + 7) | BIT(7),
861 .route_offset = 0x50,
862 .route_val = BIT(16 + 8),
868 .route_offset = 0x50,
869 .route_val = BIT(16 + 8) | BIT(8),
875 .route_offset = 0x50,
876 .route_val = BIT(16 + 11),
882 .route_offset = 0x50,
883 .route_val = BIT(16 + 11) | BIT(11),
887 static struct rockchip_mux_route_data rk3288_mux_route_data[] = {
889 /* edphdmi_cecinoutt1 */
893 .route_offset = 0x264,
894 .route_val = BIT(16 + 12) | BIT(12),
896 /* edphdmi_cecinout */
900 .route_offset = 0x264,
901 .route_val = BIT(16 + 12),
905 static struct rockchip_mux_route_data rk3328_mux_route_data[] = {
911 .route_offset = 0x50,
912 .route_val = BIT(16) | BIT(16 + 1),
918 .route_offset = 0x50,
919 .route_val = BIT(16) | BIT(16 + 1) | BIT(0),
925 .route_offset = 0x50,
926 .route_val = BIT(16 + 2) | BIT(2),
928 /* gmac-m1-optimized_rxd3 */
932 .route_offset = 0x50,
933 .route_val = BIT(16 + 10) | BIT(10),
939 .route_offset = 0x50,
940 .route_val = BIT(16 + 3),
946 .route_offset = 0x50,
947 .route_val = BIT(16 + 3) | BIT(3),
953 .route_offset = 0x50,
954 .route_val = BIT(16 + 4) | BIT(16 + 5) | BIT(5),
960 .route_offset = 0x50,
961 .route_val = BIT(16 + 6),
967 .route_offset = 0x50,
968 .route_val = BIT(16 + 6) | BIT(6),
974 .route_offset = 0x50,
975 .route_val = BIT(16 + 7) | BIT(7),
981 .route_offset = 0x50,
982 .route_val = BIT(16 + 8) | BIT(8),
988 .route_offset = 0x50,
989 .route_val = BIT(16 + 9) | BIT(9),
993 static struct rockchip_mux_route_data rk3399_mux_route_data[] = {
999 .route_offset = 0xe21c,
1000 .route_val = BIT(16 + 10) | BIT(16 + 11),
1006 .route_offset = 0xe21c,
1007 .route_val = BIT(16 + 10) | BIT(16 + 11) | BIT(10),
1013 .route_offset = 0xe21c,
1014 .route_val = BIT(16 + 10) | BIT(16 + 11) | BIT(11),
1020 .route_offset = 0xe21c,
1021 .route_val = BIT(16 + 14),
1027 .route_offset = 0xe21c,
1028 .route_val = BIT(16 + 14) | BIT(14),
1032 static bool rockchip_get_mux_route(struct rockchip_pin_bank *bank, int pin,
1033 int mux, u32 *reg, u32 *value)
1035 struct rockchip_pinctrl *info = bank->drvdata;
1036 struct rockchip_pin_ctrl *ctrl = info->ctrl;
1037 struct rockchip_mux_route_data *data;
1040 for (i = 0; i < ctrl->niomux_routes; i++) {
1041 data = &ctrl->iomux_routes[i];
1042 if ((data->bank_num == bank->bank_num) &&
1043 (data->pin == pin) && (data->func == mux))
1047 if (i >= ctrl->niomux_routes)
1050 *reg = data->route_offset;
1051 *value = data->route_val;
1056 static int rockchip_get_mux(struct rockchip_pin_bank *bank, int pin)
1058 struct rockchip_pinctrl *info = bank->drvdata;
1059 int iomux_num = (pin / 8);
1060 struct regmap *regmap;
1062 int reg, ret, mask, mux_type;
1068 if (bank->iomux[iomux_num].type & IOMUX_UNROUTED) {
1069 dev_err(info->dev, "pin %d is unrouted\n", pin);
1073 if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY)
1074 return RK_FUNC_GPIO;
1076 regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU)
1077 ? info->regmap_pmu : info->regmap_base;
1079 /* get basic quadrupel of mux registers and the correct reg inside */
1080 mux_type = bank->iomux[iomux_num].type;
1081 reg = bank->iomux[iomux_num].offset;
1082 if (mux_type & IOMUX_WIDTH_4BIT) {
1085 bit = (pin % 4) * 4;
1087 } else if (mux_type & IOMUX_WIDTH_3BIT) {
1090 bit = (pin % 8 % 5) * 3;
1093 bit = (pin % 8) * 2;
1097 if (bank->recalced_mask & BIT(pin))
1098 rockchip_get_recalced_mux(bank, pin, ®, &bit, &mask);
1100 ret = regmap_read(regmap, reg, &val);
1104 return ((val >> bit) & mask);
1107 static int rockchip_verify_mux(struct rockchip_pin_bank *bank,
1110 struct rockchip_pinctrl *info = bank->drvdata;
1111 int iomux_num = (pin / 8);
1116 if (bank->iomux[iomux_num].type & IOMUX_UNROUTED) {
1117 dev_err(info->dev, "pin %d is unrouted\n", pin);
1121 if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY) {
1122 if (mux != RK_FUNC_GPIO) {
1124 "pin %d only supports a gpio mux\n", pin);
1133 * Set a new mux function for a pin.
1135 * The register is divided into the upper and lower 16 bit. When changing
1136 * a value, the previous register value is not read and changed. Instead
1137 * it seems the changed bits are marked in the upper 16 bit, while the
1138 * changed value gets set in the same offset in the lower 16 bit.
1139 * All pin settings seem to be 2 bit wide in both the upper and lower
1141 * @bank: pin bank to change
1142 * @pin: pin to change
1143 * @mux: new mux function to set
1145 static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux)
1147 struct rockchip_pinctrl *info = bank->drvdata;
1148 int iomux_num = (pin / 8);
1149 struct regmap *regmap;
1150 int reg, ret, mask, mux_type;
1152 u32 data, rmask, route_reg, route_val;
1154 ret = rockchip_verify_mux(bank, pin, mux);
1158 if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY)
1161 dev_dbg(info->dev, "setting mux of GPIO%d-%d to %d\n",
1162 bank->bank_num, pin, mux);
1164 regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU)
1165 ? info->regmap_pmu : info->regmap_base;
1167 /* get basic quadrupel of mux registers and the correct reg inside */
1168 mux_type = bank->iomux[iomux_num].type;
1169 reg = bank->iomux[iomux_num].offset;
1170 if (mux_type & IOMUX_WIDTH_4BIT) {
1173 bit = (pin % 4) * 4;
1175 } else if (mux_type & IOMUX_WIDTH_3BIT) {
1178 bit = (pin % 8 % 5) * 3;
1181 bit = (pin % 8) * 2;
1185 if (bank->recalced_mask & BIT(pin))
1186 rockchip_get_recalced_mux(bank, pin, ®, &bit, &mask);
1188 if (bank->route_mask & BIT(pin)) {
1189 if (rockchip_get_mux_route(bank, pin, mux, &route_reg,
1191 ret = regmap_write(regmap, route_reg, route_val);
1197 data = (mask << (bit + 16));
1198 rmask = data | (data >> 16);
1199 data |= (mux & mask) << bit;
1200 ret = regmap_update_bits(regmap, reg, rmask, data);
1205 #define RV1108_PULL_PMU_OFFSET 0x10
1206 #define RV1108_PULL_OFFSET 0x110
1207 #define RV1108_PULL_PINS_PER_REG 8
1208 #define RV1108_PULL_BITS_PER_PIN 2
1209 #define RV1108_PULL_BANK_STRIDE 16
1211 static void rv1108_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1212 int pin_num, struct regmap **regmap,
1215 struct rockchip_pinctrl *info = bank->drvdata;
1217 /* The first 24 pins of the first bank are located in PMU */
1218 if (bank->bank_num == 0) {
1219 *regmap = info->regmap_pmu;
1220 *reg = RV1108_PULL_PMU_OFFSET;
1222 *reg = RV1108_PULL_OFFSET;
1223 *regmap = info->regmap_base;
1224 /* correct the offset, as we're starting with the 2nd bank */
1226 *reg += bank->bank_num * RV1108_PULL_BANK_STRIDE;
1229 *reg += ((pin_num / RV1108_PULL_PINS_PER_REG) * 4);
1230 *bit = (pin_num % RV1108_PULL_PINS_PER_REG);
1231 *bit *= RV1108_PULL_BITS_PER_PIN;
1234 #define RV1108_DRV_PMU_OFFSET 0x20
1235 #define RV1108_DRV_GRF_OFFSET 0x210
1236 #define RV1108_DRV_BITS_PER_PIN 2
1237 #define RV1108_DRV_PINS_PER_REG 8
1238 #define RV1108_DRV_BANK_STRIDE 16
1240 static void rv1108_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
1241 int pin_num, struct regmap **regmap,
1244 struct rockchip_pinctrl *info = bank->drvdata;
1246 /* The first 24 pins of the first bank are located in PMU */
1247 if (bank->bank_num == 0) {
1248 *regmap = info->regmap_pmu;
1249 *reg = RV1108_DRV_PMU_OFFSET;
1251 *regmap = info->regmap_base;
1252 *reg = RV1108_DRV_GRF_OFFSET;
1254 /* correct the offset, as we're starting with the 2nd bank */
1256 *reg += bank->bank_num * RV1108_DRV_BANK_STRIDE;
1259 *reg += ((pin_num / RV1108_DRV_PINS_PER_REG) * 4);
1260 *bit = pin_num % RV1108_DRV_PINS_PER_REG;
1261 *bit *= RV1108_DRV_BITS_PER_PIN;
1264 #define RV1108_SCHMITT_PMU_OFFSET 0x30
1265 #define RV1108_SCHMITT_GRF_OFFSET 0x388
1266 #define RV1108_SCHMITT_BANK_STRIDE 8
1267 #define RV1108_SCHMITT_PINS_PER_GRF_REG 16
1268 #define RV1108_SCHMITT_PINS_PER_PMU_REG 8
1270 static int rv1108_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
1272 struct regmap **regmap,
1275 struct rockchip_pinctrl *info = bank->drvdata;
1278 if (bank->bank_num == 0) {
1279 *regmap = info->regmap_pmu;
1280 *reg = RV1108_SCHMITT_PMU_OFFSET;
1281 pins_per_reg = RV1108_SCHMITT_PINS_PER_PMU_REG;
1283 *regmap = info->regmap_base;
1284 *reg = RV1108_SCHMITT_GRF_OFFSET;
1285 pins_per_reg = RV1108_SCHMITT_PINS_PER_GRF_REG;
1286 *reg += (bank->bank_num - 1) * RV1108_SCHMITT_BANK_STRIDE;
1288 *reg += ((pin_num / pins_per_reg) * 4);
1289 *bit = pin_num % pins_per_reg;
1294 #define RK2928_PULL_OFFSET 0x118
1295 #define RK2928_PULL_PINS_PER_REG 16
1296 #define RK2928_PULL_BANK_STRIDE 8
1298 static void rk2928_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1299 int pin_num, struct regmap **regmap,
1302 struct rockchip_pinctrl *info = bank->drvdata;
1304 *regmap = info->regmap_base;
1305 *reg = RK2928_PULL_OFFSET;
1306 *reg += bank->bank_num * RK2928_PULL_BANK_STRIDE;
1307 *reg += (pin_num / RK2928_PULL_PINS_PER_REG) * 4;
1309 *bit = pin_num % RK2928_PULL_PINS_PER_REG;
1312 #define RK3128_PULL_OFFSET 0x118
1314 static void rk3128_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1315 int pin_num, struct regmap **regmap,
1318 struct rockchip_pinctrl *info = bank->drvdata;
1320 *regmap = info->regmap_base;
1321 *reg = RK3128_PULL_OFFSET;
1322 *reg += bank->bank_num * RK2928_PULL_BANK_STRIDE;
1323 *reg += ((pin_num / RK2928_PULL_PINS_PER_REG) * 4);
1325 *bit = pin_num % RK2928_PULL_PINS_PER_REG;
1328 #define RK3188_PULL_OFFSET 0x164
1329 #define RK3188_PULL_BITS_PER_PIN 2
1330 #define RK3188_PULL_PINS_PER_REG 8
1331 #define RK3188_PULL_BANK_STRIDE 16
1332 #define RK3188_PULL_PMU_OFFSET 0x64
1334 static void rk3188_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1335 int pin_num, struct regmap **regmap,
1338 struct rockchip_pinctrl *info = bank->drvdata;
1340 /* The first 12 pins of the first bank are located elsewhere */
1341 if (bank->bank_num == 0 && pin_num < 12) {
1342 *regmap = info->regmap_pmu ? info->regmap_pmu
1343 : bank->regmap_pull;
1344 *reg = info->regmap_pmu ? RK3188_PULL_PMU_OFFSET : 0;
1345 *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1346 *bit = pin_num % RK3188_PULL_PINS_PER_REG;
1347 *bit *= RK3188_PULL_BITS_PER_PIN;
1349 *regmap = info->regmap_pull ? info->regmap_pull
1350 : info->regmap_base;
1351 *reg = info->regmap_pull ? 0 : RK3188_PULL_OFFSET;
1353 /* correct the offset, as it is the 2nd pull register */
1355 *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
1356 *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1359 * The bits in these registers have an inverse ordering
1360 * with the lowest pin being in bits 15:14 and the highest
1363 *bit = 7 - (pin_num % RK3188_PULL_PINS_PER_REG);
1364 *bit *= RK3188_PULL_BITS_PER_PIN;
1368 #define RK3288_PULL_OFFSET 0x140
1369 static void rk3288_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1370 int pin_num, struct regmap **regmap,
1373 struct rockchip_pinctrl *info = bank->drvdata;
1375 /* The first 24 pins of the first bank are located in PMU */
1376 if (bank->bank_num == 0) {
1377 *regmap = info->regmap_pmu;
1378 *reg = RK3188_PULL_PMU_OFFSET;
1380 *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1381 *bit = pin_num % RK3188_PULL_PINS_PER_REG;
1382 *bit *= RK3188_PULL_BITS_PER_PIN;
1384 *regmap = info->regmap_base;
1385 *reg = RK3288_PULL_OFFSET;
1387 /* correct the offset, as we're starting with the 2nd bank */
1389 *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
1390 *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1392 *bit = (pin_num % RK3188_PULL_PINS_PER_REG);
1393 *bit *= RK3188_PULL_BITS_PER_PIN;
1397 #define RK3288_DRV_PMU_OFFSET 0x70
1398 #define RK3288_DRV_GRF_OFFSET 0x1c0
1399 #define RK3288_DRV_BITS_PER_PIN 2
1400 #define RK3288_DRV_PINS_PER_REG 8
1401 #define RK3288_DRV_BANK_STRIDE 16
1403 static void rk3288_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
1404 int pin_num, struct regmap **regmap,
1407 struct rockchip_pinctrl *info = bank->drvdata;
1409 /* The first 24 pins of the first bank are located in PMU */
1410 if (bank->bank_num == 0) {
1411 *regmap = info->regmap_pmu;
1412 *reg = RK3288_DRV_PMU_OFFSET;
1414 *reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
1415 *bit = pin_num % RK3288_DRV_PINS_PER_REG;
1416 *bit *= RK3288_DRV_BITS_PER_PIN;
1418 *regmap = info->regmap_base;
1419 *reg = RK3288_DRV_GRF_OFFSET;
1421 /* correct the offset, as we're starting with the 2nd bank */
1423 *reg += bank->bank_num * RK3288_DRV_BANK_STRIDE;
1424 *reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
1426 *bit = (pin_num % RK3288_DRV_PINS_PER_REG);
1427 *bit *= RK3288_DRV_BITS_PER_PIN;
1431 #define RK3228_PULL_OFFSET 0x100
1433 static void rk3228_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1434 int pin_num, struct regmap **regmap,
1437 struct rockchip_pinctrl *info = bank->drvdata;
1439 *regmap = info->regmap_base;
1440 *reg = RK3228_PULL_OFFSET;
1441 *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
1442 *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1444 *bit = (pin_num % RK3188_PULL_PINS_PER_REG);
1445 *bit *= RK3188_PULL_BITS_PER_PIN;
1448 #define RK3228_DRV_GRF_OFFSET 0x200
1450 static void rk3228_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
1451 int pin_num, struct regmap **regmap,
1454 struct rockchip_pinctrl *info = bank->drvdata;
1456 *regmap = info->regmap_base;
1457 *reg = RK3228_DRV_GRF_OFFSET;
1458 *reg += bank->bank_num * RK3288_DRV_BANK_STRIDE;
1459 *reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
1461 *bit = (pin_num % RK3288_DRV_PINS_PER_REG);
1462 *bit *= RK3288_DRV_BITS_PER_PIN;
1465 #define RK3368_PULL_GRF_OFFSET 0x100
1466 #define RK3368_PULL_PMU_OFFSET 0x10
1468 static void rk3368_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1469 int pin_num, struct regmap **regmap,
1472 struct rockchip_pinctrl *info = bank->drvdata;
1474 /* The first 32 pins of the first bank are located in PMU */
1475 if (bank->bank_num == 0) {
1476 *regmap = info->regmap_pmu;
1477 *reg = RK3368_PULL_PMU_OFFSET;
1479 *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1480 *bit = pin_num % RK3188_PULL_PINS_PER_REG;
1481 *bit *= RK3188_PULL_BITS_PER_PIN;
1483 *regmap = info->regmap_base;
1484 *reg = RK3368_PULL_GRF_OFFSET;
1486 /* correct the offset, as we're starting with the 2nd bank */
1488 *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
1489 *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1491 *bit = (pin_num % RK3188_PULL_PINS_PER_REG);
1492 *bit *= RK3188_PULL_BITS_PER_PIN;
1496 #define RK3368_DRV_PMU_OFFSET 0x20
1497 #define RK3368_DRV_GRF_OFFSET 0x200
1499 static void rk3368_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
1500 int pin_num, struct regmap **regmap,
1503 struct rockchip_pinctrl *info = bank->drvdata;
1505 /* The first 32 pins of the first bank are located in PMU */
1506 if (bank->bank_num == 0) {
1507 *regmap = info->regmap_pmu;
1508 *reg = RK3368_DRV_PMU_OFFSET;
1510 *reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
1511 *bit = pin_num % RK3288_DRV_PINS_PER_REG;
1512 *bit *= RK3288_DRV_BITS_PER_PIN;
1514 *regmap = info->regmap_base;
1515 *reg = RK3368_DRV_GRF_OFFSET;
1517 /* correct the offset, as we're starting with the 2nd bank */
1519 *reg += bank->bank_num * RK3288_DRV_BANK_STRIDE;
1520 *reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
1522 *bit = (pin_num % RK3288_DRV_PINS_PER_REG);
1523 *bit *= RK3288_DRV_BITS_PER_PIN;
1527 #define RK3399_PULL_GRF_OFFSET 0xe040
1528 #define RK3399_PULL_PMU_OFFSET 0x40
1529 #define RK3399_DRV_3BITS_PER_PIN 3
1531 static void rk3399_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
1532 int pin_num, struct regmap **regmap,
1535 struct rockchip_pinctrl *info = bank->drvdata;
1537 /* The bank0:16 and bank1:32 pins are located in PMU */
1538 if ((bank->bank_num == 0) || (bank->bank_num == 1)) {
1539 *regmap = info->regmap_pmu;
1540 *reg = RK3399_PULL_PMU_OFFSET;
1542 *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
1544 *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1545 *bit = pin_num % RK3188_PULL_PINS_PER_REG;
1546 *bit *= RK3188_PULL_BITS_PER_PIN;
1548 *regmap = info->regmap_base;
1549 *reg = RK3399_PULL_GRF_OFFSET;
1551 /* correct the offset, as we're starting with the 3rd bank */
1553 *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
1554 *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
1556 *bit = (pin_num % RK3188_PULL_PINS_PER_REG);
1557 *bit *= RK3188_PULL_BITS_PER_PIN;
1561 static void rk3399_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
1562 int pin_num, struct regmap **regmap,
1565 struct rockchip_pinctrl *info = bank->drvdata;
1566 int drv_num = (pin_num / 8);
1568 /* The bank0:16 and bank1:32 pins are located in PMU */
1569 if ((bank->bank_num == 0) || (bank->bank_num == 1))
1570 *regmap = info->regmap_pmu;
1572 *regmap = info->regmap_base;
1574 *reg = bank->drv[drv_num].offset;
1575 if ((bank->drv[drv_num].drv_type == DRV_TYPE_IO_1V8_3V0_AUTO) ||
1576 (bank->drv[drv_num].drv_type == DRV_TYPE_IO_3V3_ONLY))
1577 *bit = (pin_num % 8) * 3;
1579 *bit = (pin_num % 8) * 2;
1582 static int rockchip_perpin_drv_list[DRV_TYPE_MAX][8] = {
1583 { 2, 4, 8, 12, -1, -1, -1, -1 },
1584 { 3, 6, 9, 12, -1, -1, -1, -1 },
1585 { 5, 10, 15, 20, -1, -1, -1, -1 },
1586 { 4, 6, 8, 10, 12, 14, 16, 18 },
1587 { 4, 7, 10, 13, 16, 19, 22, 26 }
1590 static int rockchip_get_drive_perpin(struct rockchip_pin_bank *bank,
1593 struct rockchip_pinctrl *info = bank->drvdata;
1594 struct rockchip_pin_ctrl *ctrl = info->ctrl;
1595 struct regmap *regmap;
1597 u32 data, temp, rmask_bits;
1599 int drv_type = bank->drv[pin_num / 8].drv_type;
1601 ctrl->drv_calc_reg(bank, pin_num, ®map, ®, &bit);
1604 case DRV_TYPE_IO_1V8_3V0_AUTO:
1605 case DRV_TYPE_IO_3V3_ONLY:
1606 rmask_bits = RK3399_DRV_3BITS_PER_PIN;
1609 /* regular case, nothing to do */
1613 * drive-strength offset is special, as it is
1614 * spread over 2 registers
1616 ret = regmap_read(regmap, reg, &data);
1620 ret = regmap_read(regmap, reg + 0x4, &temp);
1625 * the bit data[15] contains bit 0 of the value
1626 * while temp[1:0] contains bits 2 and 1
1633 return rockchip_perpin_drv_list[drv_type][data];
1635 /* setting fully enclosed in the second register */
1640 dev_err(info->dev, "unsupported bit: %d for pinctrl drive type: %d\n",
1646 case DRV_TYPE_IO_DEFAULT:
1647 case DRV_TYPE_IO_1V8_OR_3V0:
1648 case DRV_TYPE_IO_1V8_ONLY:
1649 rmask_bits = RK3288_DRV_BITS_PER_PIN;
1652 dev_err(info->dev, "unsupported pinctrl drive type: %d\n",
1657 ret = regmap_read(regmap, reg, &data);
1662 data &= (1 << rmask_bits) - 1;
1664 return rockchip_perpin_drv_list[drv_type][data];
1667 static int rockchip_set_drive_perpin(struct rockchip_pin_bank *bank,
1668 int pin_num, int strength)
1670 struct rockchip_pinctrl *info = bank->drvdata;
1671 struct rockchip_pin_ctrl *ctrl = info->ctrl;
1672 struct regmap *regmap;
1674 u32 data, rmask, rmask_bits, temp;
1676 int drv_type = bank->drv[pin_num / 8].drv_type;
1678 dev_dbg(info->dev, "setting drive of GPIO%d-%d to %d\n",
1679 bank->bank_num, pin_num, strength);
1681 ctrl->drv_calc_reg(bank, pin_num, ®map, ®, &bit);
1684 for (i = 0; i < ARRAY_SIZE(rockchip_perpin_drv_list[drv_type]); i++) {
1685 if (rockchip_perpin_drv_list[drv_type][i] == strength) {
1688 } else if (rockchip_perpin_drv_list[drv_type][i] < 0) {
1689 ret = rockchip_perpin_drv_list[drv_type][i];
1695 dev_err(info->dev, "unsupported driver strength %d\n",
1701 case DRV_TYPE_IO_1V8_3V0_AUTO:
1702 case DRV_TYPE_IO_3V3_ONLY:
1703 rmask_bits = RK3399_DRV_3BITS_PER_PIN;
1706 /* regular case, nothing to do */
1710 * drive-strength offset is special, as it is spread
1711 * over 2 registers, the bit data[15] contains bit 0
1712 * of the value while temp[1:0] contains bits 2 and 1
1714 data = (ret & 0x1) << 15;
1715 temp = (ret >> 0x1) & 0x3;
1717 rmask = BIT(15) | BIT(31);
1719 ret = regmap_update_bits(regmap, reg, rmask, data);
1723 rmask = 0x3 | (0x3 << 16);
1724 temp |= (0x3 << 16);
1726 ret = regmap_update_bits(regmap, reg, rmask, temp);
1730 /* setting fully enclosed in the second register */
1735 dev_err(info->dev, "unsupported bit: %d for pinctrl drive type: %d\n",
1740 case DRV_TYPE_IO_DEFAULT:
1741 case DRV_TYPE_IO_1V8_OR_3V0:
1742 case DRV_TYPE_IO_1V8_ONLY:
1743 rmask_bits = RK3288_DRV_BITS_PER_PIN;
1746 dev_err(info->dev, "unsupported pinctrl drive type: %d\n",
1751 /* enable the write to the equivalent lower bits */
1752 data = ((1 << rmask_bits) - 1) << (bit + 16);
1753 rmask = data | (data >> 16);
1754 data |= (ret << bit);
1756 ret = regmap_update_bits(regmap, reg, rmask, data);
1761 static int rockchip_pull_list[PULL_TYPE_MAX][4] = {
1763 PIN_CONFIG_BIAS_DISABLE,
1764 PIN_CONFIG_BIAS_PULL_UP,
1765 PIN_CONFIG_BIAS_PULL_DOWN,
1766 PIN_CONFIG_BIAS_BUS_HOLD
1769 PIN_CONFIG_BIAS_DISABLE,
1770 PIN_CONFIG_BIAS_PULL_DOWN,
1771 PIN_CONFIG_BIAS_DISABLE,
1772 PIN_CONFIG_BIAS_PULL_UP
1776 static int rockchip_get_pull(struct rockchip_pin_bank *bank, int pin_num)
1778 struct rockchip_pinctrl *info = bank->drvdata;
1779 struct rockchip_pin_ctrl *ctrl = info->ctrl;
1780 struct regmap *regmap;
1781 int reg, ret, pull_type;
1785 /* rk3066b does support any pulls */
1786 if (ctrl->type == RK3066B)
1787 return PIN_CONFIG_BIAS_DISABLE;
1789 ctrl->pull_calc_reg(bank, pin_num, ®map, ®, &bit);
1791 ret = regmap_read(regmap, reg, &data);
1795 switch (ctrl->type) {
1798 return !(data & BIT(bit))
1799 ? PIN_CONFIG_BIAS_PULL_PIN_DEFAULT
1800 : PIN_CONFIG_BIAS_DISABLE;
1806 pull_type = bank->pull_type[pin_num / 8];
1808 data &= (1 << RK3188_PULL_BITS_PER_PIN) - 1;
1810 return rockchip_pull_list[pull_type][data];
1812 dev_err(info->dev, "unsupported pinctrl type\n");
1817 static int rockchip_set_pull(struct rockchip_pin_bank *bank,
1818 int pin_num, int pull)
1820 struct rockchip_pinctrl *info = bank->drvdata;
1821 struct rockchip_pin_ctrl *ctrl = info->ctrl;
1822 struct regmap *regmap;
1823 int reg, ret, i, pull_type;
1827 dev_dbg(info->dev, "setting pull of GPIO%d-%d to %d\n",
1828 bank->bank_num, pin_num, pull);
1830 /* rk3066b does support any pulls */
1831 if (ctrl->type == RK3066B)
1832 return pull ? -EINVAL : 0;
1834 ctrl->pull_calc_reg(bank, pin_num, ®map, ®, &bit);
1836 switch (ctrl->type) {
1839 data = BIT(bit + 16);
1840 if (pull == PIN_CONFIG_BIAS_DISABLE)
1842 ret = regmap_write(regmap, reg, data);
1849 pull_type = bank->pull_type[pin_num / 8];
1851 for (i = 0; i < ARRAY_SIZE(rockchip_pull_list[pull_type]);
1853 if (rockchip_pull_list[pull_type][i] == pull) {
1860 dev_err(info->dev, "unsupported pull setting %d\n",
1865 /* enable the write to the equivalent lower bits */
1866 data = ((1 << RK3188_PULL_BITS_PER_PIN) - 1) << (bit + 16);
1867 rmask = data | (data >> 16);
1868 data |= (ret << bit);
1870 ret = regmap_update_bits(regmap, reg, rmask, data);
1873 dev_err(info->dev, "unsupported pinctrl type\n");
1880 #define RK3328_SCHMITT_BITS_PER_PIN 1
1881 #define RK3328_SCHMITT_PINS_PER_REG 16
1882 #define RK3328_SCHMITT_BANK_STRIDE 8
1883 #define RK3328_SCHMITT_GRF_OFFSET 0x380
1885 static int rk3328_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
1887 struct regmap **regmap,
1890 struct rockchip_pinctrl *info = bank->drvdata;
1892 *regmap = info->regmap_base;
1893 *reg = RK3328_SCHMITT_GRF_OFFSET;
1895 *reg += bank->bank_num * RK3328_SCHMITT_BANK_STRIDE;
1896 *reg += ((pin_num / RK3328_SCHMITT_PINS_PER_REG) * 4);
1897 *bit = pin_num % RK3328_SCHMITT_PINS_PER_REG;
1902 static int rockchip_get_schmitt(struct rockchip_pin_bank *bank, int pin_num)
1904 struct rockchip_pinctrl *info = bank->drvdata;
1905 struct rockchip_pin_ctrl *ctrl = info->ctrl;
1906 struct regmap *regmap;
1911 ret = ctrl->schmitt_calc_reg(bank, pin_num, ®map, ®, &bit);
1915 ret = regmap_read(regmap, reg, &data);
1923 static int rockchip_set_schmitt(struct rockchip_pin_bank *bank,
1924 int pin_num, int enable)
1926 struct rockchip_pinctrl *info = bank->drvdata;
1927 struct rockchip_pin_ctrl *ctrl = info->ctrl;
1928 struct regmap *regmap;
1933 dev_dbg(info->dev, "setting input schmitt of GPIO%d-%d to %d\n",
1934 bank->bank_num, pin_num, enable);
1936 ret = ctrl->schmitt_calc_reg(bank, pin_num, ®map, ®, &bit);
1940 /* enable the write to the equivalent lower bits */
1941 data = BIT(bit + 16) | (enable << bit);
1942 rmask = BIT(bit + 16) | BIT(bit);
1944 return regmap_update_bits(regmap, reg, rmask, data);
1948 * Pinmux_ops handling
1951 static int rockchip_pmx_get_funcs_count(struct pinctrl_dev *pctldev)
1953 struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1955 return info->nfunctions;
1958 static const char *rockchip_pmx_get_func_name(struct pinctrl_dev *pctldev,
1961 struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1963 return info->functions[selector].name;
1966 static int rockchip_pmx_get_groups(struct pinctrl_dev *pctldev,
1967 unsigned selector, const char * const **groups,
1968 unsigned * const num_groups)
1970 struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1972 *groups = info->functions[selector].groups;
1973 *num_groups = info->functions[selector].ngroups;
1978 static int rockchip_pmx_set(struct pinctrl_dev *pctldev, unsigned selector,
1981 struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1982 const unsigned int *pins = info->groups[group].pins;
1983 const struct rockchip_pin_config *data = info->groups[group].data;
1984 struct rockchip_pin_bank *bank;
1987 dev_dbg(info->dev, "enable function %s group %s\n",
1988 info->functions[selector].name, info->groups[group].name);
1991 * for each pin in the pin group selected, program the corresponding
1992 * pin function number in the config register.
1994 for (cnt = 0; cnt < info->groups[group].npins; cnt++) {
1995 bank = pin_to_bank(info, pins[cnt]);
1996 ret = rockchip_set_mux(bank, pins[cnt] - bank->pin_base,
2003 /* revert the already done pin settings */
2004 for (cnt--; cnt >= 0; cnt--)
2005 rockchip_set_mux(bank, pins[cnt] - bank->pin_base, 0);
2013 static int rockchip_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
2015 struct rockchip_pin_bank *bank = gpiochip_get_data(chip);
2019 ret = clk_enable(bank->clk);
2021 dev_err(bank->drvdata->dev,
2022 "failed to enable clock for bank %s\n", bank->name);
2025 data = readl_relaxed(bank->reg_base + GPIO_SWPORT_DDR);
2026 clk_disable(bank->clk);
2028 return !(data & BIT(offset));
2032 * The calls to gpio_direction_output() and gpio_direction_input()
2033 * leads to this function call (via the pinctrl_gpio_direction_{input|output}()
2034 * function called from the gpiolib interface).
2036 static int _rockchip_pmx_gpio_set_direction(struct gpio_chip *chip,
2037 int pin, bool input)
2039 struct rockchip_pin_bank *bank;
2041 unsigned long flags;
2044 bank = gpiochip_get_data(chip);
2046 ret = rockchip_set_mux(bank, pin, RK_FUNC_GPIO);
2050 clk_enable(bank->clk);
2051 raw_spin_lock_irqsave(&bank->slock, flags);
2053 data = readl_relaxed(bank->reg_base + GPIO_SWPORT_DDR);
2054 /* set bit to 1 for output, 0 for input */
2059 writel_relaxed(data, bank->reg_base + GPIO_SWPORT_DDR);
2061 raw_spin_unlock_irqrestore(&bank->slock, flags);
2062 clk_disable(bank->clk);
2067 static int rockchip_pmx_gpio_set_direction(struct pinctrl_dev *pctldev,
2068 struct pinctrl_gpio_range *range,
2069 unsigned offset, bool input)
2071 struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
2072 struct gpio_chip *chip;
2076 pin = offset - chip->base;
2077 dev_dbg(info->dev, "gpio_direction for pin %u as %s-%d to %s\n",
2078 offset, range->name, pin, input ? "input" : "output");
2080 return _rockchip_pmx_gpio_set_direction(chip, offset - chip->base,
2084 static const struct pinmux_ops rockchip_pmx_ops = {
2085 .get_functions_count = rockchip_pmx_get_funcs_count,
2086 .get_function_name = rockchip_pmx_get_func_name,
2087 .get_function_groups = rockchip_pmx_get_groups,
2088 .set_mux = rockchip_pmx_set,
2089 .gpio_set_direction = rockchip_pmx_gpio_set_direction,
2093 * Pinconf_ops handling
2096 static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl,
2097 enum pin_config_param pull)
2099 switch (ctrl->type) {
2102 return (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT ||
2103 pull == PIN_CONFIG_BIAS_DISABLE);
2105 return pull ? false : true;
2111 return (pull != PIN_CONFIG_BIAS_PULL_PIN_DEFAULT);
2117 static void rockchip_gpio_set(struct gpio_chip *gc, unsigned offset, int value);
2118 static int rockchip_gpio_get(struct gpio_chip *gc, unsigned offset);
2120 /* set the pin config settings for a specified pin */
2121 static int rockchip_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
2122 unsigned long *configs, unsigned num_configs)
2124 struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
2125 struct rockchip_pin_bank *bank = pin_to_bank(info, pin);
2126 enum pin_config_param param;
2131 for (i = 0; i < num_configs; i++) {
2132 param = pinconf_to_config_param(configs[i]);
2133 arg = pinconf_to_config_argument(configs[i]);
2136 case PIN_CONFIG_BIAS_DISABLE:
2137 rc = rockchip_set_pull(bank, pin - bank->pin_base,
2142 case PIN_CONFIG_BIAS_PULL_UP:
2143 case PIN_CONFIG_BIAS_PULL_DOWN:
2144 case PIN_CONFIG_BIAS_PULL_PIN_DEFAULT:
2145 case PIN_CONFIG_BIAS_BUS_HOLD:
2146 if (!rockchip_pinconf_pull_valid(info->ctrl, param))
2152 rc = rockchip_set_pull(bank, pin - bank->pin_base,
2157 case PIN_CONFIG_OUTPUT:
2158 rockchip_gpio_set(&bank->gpio_chip,
2159 pin - bank->pin_base, arg);
2160 rc = _rockchip_pmx_gpio_set_direction(&bank->gpio_chip,
2161 pin - bank->pin_base, false);
2165 case PIN_CONFIG_DRIVE_STRENGTH:
2166 /* rk3288 is the first with per-pin drive-strength */
2167 if (!info->ctrl->drv_calc_reg)
2170 rc = rockchip_set_drive_perpin(bank,
2171 pin - bank->pin_base, arg);
2175 case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
2176 if (!info->ctrl->schmitt_calc_reg)
2179 rc = rockchip_set_schmitt(bank,
2180 pin - bank->pin_base, arg);
2188 } /* for each config */
2193 /* get the pin config settings for a specified pin */
2194 static int rockchip_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin,
2195 unsigned long *config)
2197 struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
2198 struct rockchip_pin_bank *bank = pin_to_bank(info, pin);
2199 enum pin_config_param param = pinconf_to_config_param(*config);
2204 case PIN_CONFIG_BIAS_DISABLE:
2205 if (rockchip_get_pull(bank, pin - bank->pin_base) != param)
2210 case PIN_CONFIG_BIAS_PULL_UP:
2211 case PIN_CONFIG_BIAS_PULL_DOWN:
2212 case PIN_CONFIG_BIAS_PULL_PIN_DEFAULT:
2213 case PIN_CONFIG_BIAS_BUS_HOLD:
2214 if (!rockchip_pinconf_pull_valid(info->ctrl, param))
2217 if (rockchip_get_pull(bank, pin - bank->pin_base) != param)
2222 case PIN_CONFIG_OUTPUT:
2223 rc = rockchip_get_mux(bank, pin - bank->pin_base);
2224 if (rc != RK_FUNC_GPIO)
2227 rc = rockchip_gpio_get(&bank->gpio_chip, pin - bank->pin_base);
2233 case PIN_CONFIG_DRIVE_STRENGTH:
2234 /* rk3288 is the first with per-pin drive-strength */
2235 if (!info->ctrl->drv_calc_reg)
2238 rc = rockchip_get_drive_perpin(bank, pin - bank->pin_base);
2244 case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
2245 if (!info->ctrl->schmitt_calc_reg)
2248 rc = rockchip_get_schmitt(bank, pin - bank->pin_base);
2259 *config = pinconf_to_config_packed(param, arg);
2264 static const struct pinconf_ops rockchip_pinconf_ops = {
2265 .pin_config_get = rockchip_pinconf_get,
2266 .pin_config_set = rockchip_pinconf_set,
2270 static const struct of_device_id rockchip_bank_match[] = {
2271 { .compatible = "rockchip,gpio-bank" },
2272 { .compatible = "rockchip,rk3188-gpio-bank0" },
2276 static void rockchip_pinctrl_child_count(struct rockchip_pinctrl *info,
2277 struct device_node *np)
2279 struct device_node *child;
2281 for_each_child_of_node(np, child) {
2282 if (of_match_node(rockchip_bank_match, child))
2286 info->ngroups += of_get_child_count(child);
2290 static int rockchip_pinctrl_parse_groups(struct device_node *np,
2291 struct rockchip_pin_group *grp,
2292 struct rockchip_pinctrl *info,
2295 struct rockchip_pin_bank *bank;
2302 dev_dbg(info->dev, "group(%d): %s\n", index, np->name);
2304 /* Initialise group */
2305 grp->name = np->name;
2308 * the binding format is rockchip,pins = <bank pin mux CONFIG>,
2309 * do sanity check and calculate pins number
2311 list = of_get_property(np, "rockchip,pins", &size);
2312 /* we do not check return since it's safe node passed down */
2313 size /= sizeof(*list);
2314 if (!size || size % 4) {
2315 dev_err(info->dev, "wrong pins number or pins and configs should be by 4\n");
2319 grp->npins = size / 4;
2321 grp->pins = devm_kzalloc(info->dev, grp->npins * sizeof(unsigned int),
2323 grp->data = devm_kzalloc(info->dev, grp->npins *
2324 sizeof(struct rockchip_pin_config),
2326 if (!grp->pins || !grp->data)
2329 for (i = 0, j = 0; i < size; i += 4, j++) {
2330 const __be32 *phandle;
2331 struct device_node *np_config;
2333 num = be32_to_cpu(*list++);
2334 bank = bank_num_to_bank(info, num);
2336 return PTR_ERR(bank);
2338 grp->pins[j] = bank->pin_base + be32_to_cpu(*list++);
2339 grp->data[j].func = be32_to_cpu(*list++);
2345 np_config = of_find_node_by_phandle(be32_to_cpup(phandle));
2346 ret = pinconf_generic_parse_dt_config(np_config, NULL,
2347 &grp->data[j].configs, &grp->data[j].nconfigs);
2355 static int rockchip_pinctrl_parse_functions(struct device_node *np,
2356 struct rockchip_pinctrl *info,
2359 struct device_node *child;
2360 struct rockchip_pmx_func *func;
2361 struct rockchip_pin_group *grp;
2363 static u32 grp_index;
2366 dev_dbg(info->dev, "parse function(%d): %s\n", index, np->name);
2368 func = &info->functions[index];
2370 /* Initialise function */
2371 func->name = np->name;
2372 func->ngroups = of_get_child_count(np);
2373 if (func->ngroups <= 0)
2376 func->groups = devm_kzalloc(info->dev,
2377 func->ngroups * sizeof(char *), GFP_KERNEL);
2381 for_each_child_of_node(np, child) {
2382 func->groups[i] = child->name;
2383 grp = &info->groups[grp_index++];
2384 ret = rockchip_pinctrl_parse_groups(child, grp, info, i++);
2394 static int rockchip_pinctrl_parse_dt(struct platform_device *pdev,
2395 struct rockchip_pinctrl *info)
2397 struct device *dev = &pdev->dev;
2398 struct device_node *np = dev->of_node;
2399 struct device_node *child;
2403 rockchip_pinctrl_child_count(info, np);
2405 dev_dbg(&pdev->dev, "nfunctions = %d\n", info->nfunctions);
2406 dev_dbg(&pdev->dev, "ngroups = %d\n", info->ngroups);
2408 info->functions = devm_kzalloc(dev, info->nfunctions *
2409 sizeof(struct rockchip_pmx_func),
2411 if (!info->functions)
2414 info->groups = devm_kzalloc(dev, info->ngroups *
2415 sizeof(struct rockchip_pin_group),
2422 for_each_child_of_node(np, child) {
2423 if (of_match_node(rockchip_bank_match, child))
2426 ret = rockchip_pinctrl_parse_functions(child, info, i++);
2428 dev_err(&pdev->dev, "failed to parse function\n");
2437 static int rockchip_pinctrl_register(struct platform_device *pdev,
2438 struct rockchip_pinctrl *info)
2440 struct pinctrl_desc *ctrldesc = &info->pctl;
2441 struct pinctrl_pin_desc *pindesc, *pdesc;
2442 struct rockchip_pin_bank *pin_bank;
2446 ctrldesc->name = "rockchip-pinctrl";
2447 ctrldesc->owner = THIS_MODULE;
2448 ctrldesc->pctlops = &rockchip_pctrl_ops;
2449 ctrldesc->pmxops = &rockchip_pmx_ops;
2450 ctrldesc->confops = &rockchip_pinconf_ops;
2452 pindesc = devm_kzalloc(&pdev->dev, sizeof(*pindesc) *
2453 info->ctrl->nr_pins, GFP_KERNEL);
2457 ctrldesc->pins = pindesc;
2458 ctrldesc->npins = info->ctrl->nr_pins;
2461 for (bank = 0 , k = 0; bank < info->ctrl->nr_banks; bank++) {
2462 pin_bank = &info->ctrl->pin_banks[bank];
2463 for (pin = 0; pin < pin_bank->nr_pins; pin++, k++) {
2465 pdesc->name = kasprintf(GFP_KERNEL, "%s-%d",
2466 pin_bank->name, pin);
2471 ret = rockchip_pinctrl_parse_dt(pdev, info);
2475 info->pctl_dev = devm_pinctrl_register(&pdev->dev, ctrldesc, info);
2476 if (IS_ERR(info->pctl_dev)) {
2477 dev_err(&pdev->dev, "could not register pinctrl driver\n");
2478 return PTR_ERR(info->pctl_dev);
2481 for (bank = 0; bank < info->ctrl->nr_banks; ++bank) {
2482 pin_bank = &info->ctrl->pin_banks[bank];
2483 pin_bank->grange.name = pin_bank->name;
2484 pin_bank->grange.id = bank;
2485 pin_bank->grange.pin_base = pin_bank->pin_base;
2486 pin_bank->grange.base = pin_bank->gpio_chip.base;
2487 pin_bank->grange.npins = pin_bank->gpio_chip.ngpio;
2488 pin_bank->grange.gc = &pin_bank->gpio_chip;
2489 pinctrl_add_gpio_range(info->pctl_dev, &pin_bank->grange);
2499 static void rockchip_gpio_set(struct gpio_chip *gc, unsigned offset, int value)
2501 struct rockchip_pin_bank *bank = gpiochip_get_data(gc);
2502 void __iomem *reg = bank->reg_base + GPIO_SWPORT_DR;
2503 unsigned long flags;
2506 clk_enable(bank->clk);
2507 raw_spin_lock_irqsave(&bank->slock, flags);
2510 data &= ~BIT(offset);
2512 data |= BIT(offset);
2515 raw_spin_unlock_irqrestore(&bank->slock, flags);
2516 clk_disable(bank->clk);
2520 * Returns the level of the pin for input direction and setting of the DR
2521 * register for output gpios.
2523 static int rockchip_gpio_get(struct gpio_chip *gc, unsigned offset)
2525 struct rockchip_pin_bank *bank = gpiochip_get_data(gc);
2528 clk_enable(bank->clk);
2529 data = readl(bank->reg_base + GPIO_EXT_PORT);
2530 clk_disable(bank->clk);
2537 * gpiolib gpio_direction_input callback function. The setting of the pin
2538 * mux function as 'gpio input' will be handled by the pinctrl subsystem
2541 static int rockchip_gpio_direction_input(struct gpio_chip *gc, unsigned offset)
2543 return pinctrl_gpio_direction_input(gc->base + offset);
2547 * gpiolib gpio_direction_output callback function. The setting of the pin
2548 * mux function as 'gpio output' will be handled by the pinctrl subsystem
2551 static int rockchip_gpio_direction_output(struct gpio_chip *gc,
2552 unsigned offset, int value)
2554 rockchip_gpio_set(gc, offset, value);
2555 return pinctrl_gpio_direction_output(gc->base + offset);
2559 * gpiolib gpio_to_irq callback function. Creates a mapping between a GPIO pin
2560 * and a virtual IRQ, if not already present.
2562 static int rockchip_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
2564 struct rockchip_pin_bank *bank = gpiochip_get_data(gc);
2570 virq = irq_create_mapping(bank->domain, offset);
2572 return (virq) ? : -ENXIO;
2575 static const struct gpio_chip rockchip_gpiolib_chip = {
2576 .request = gpiochip_generic_request,
2577 .free = gpiochip_generic_free,
2578 .set = rockchip_gpio_set,
2579 .get = rockchip_gpio_get,
2580 .get_direction = rockchip_gpio_get_direction,
2581 .direction_input = rockchip_gpio_direction_input,
2582 .direction_output = rockchip_gpio_direction_output,
2583 .to_irq = rockchip_gpio_to_irq,
2584 .owner = THIS_MODULE,
2588 * Interrupt handling
2591 static void rockchip_irq_demux(struct irq_desc *desc)
2593 struct irq_chip *chip = irq_desc_get_chip(desc);
2594 struct rockchip_pin_bank *bank = irq_desc_get_handler_data(desc);
2597 dev_dbg(bank->drvdata->dev, "got irq for bank %s\n", bank->name);
2599 chained_irq_enter(chip, desc);
2601 pend = readl_relaxed(bank->reg_base + GPIO_INT_STATUS);
2604 unsigned int irq, virq;
2608 virq = irq_linear_revmap(bank->domain, irq);
2611 dev_err(bank->drvdata->dev, "unmapped irq %d\n", irq);
2615 dev_dbg(bank->drvdata->dev, "handling irq %d\n", irq);
2618 * Triggering IRQ on both rising and falling edge
2619 * needs manual intervention.
2621 if (bank->toggle_edge_mode & BIT(irq)) {
2622 u32 data, data_old, polarity;
2623 unsigned long flags;
2625 data = readl_relaxed(bank->reg_base + GPIO_EXT_PORT);
2627 raw_spin_lock_irqsave(&bank->slock, flags);
2629 polarity = readl_relaxed(bank->reg_base +
2631 if (data & BIT(irq))
2632 polarity &= ~BIT(irq);
2634 polarity |= BIT(irq);
2636 bank->reg_base + GPIO_INT_POLARITY);
2638 raw_spin_unlock_irqrestore(&bank->slock, flags);
2641 data = readl_relaxed(bank->reg_base +
2643 } while ((data & BIT(irq)) != (data_old & BIT(irq)));
2646 generic_handle_irq(virq);
2649 chained_irq_exit(chip, desc);
2652 static int rockchip_irq_set_type(struct irq_data *d, unsigned int type)
2654 struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
2655 struct rockchip_pin_bank *bank = gc->private;
2656 u32 mask = BIT(d->hwirq);
2660 unsigned long flags;
2663 /* make sure the pin is configured as gpio input */
2664 ret = rockchip_set_mux(bank, d->hwirq, RK_FUNC_GPIO);
2668 clk_enable(bank->clk);
2669 raw_spin_lock_irqsave(&bank->slock, flags);
2671 data = readl_relaxed(bank->reg_base + GPIO_SWPORT_DDR);
2673 writel_relaxed(data, bank->reg_base + GPIO_SWPORT_DDR);
2675 raw_spin_unlock_irqrestore(&bank->slock, flags);
2677 if (type & IRQ_TYPE_EDGE_BOTH)
2678 irq_set_handler_locked(d, handle_edge_irq);
2680 irq_set_handler_locked(d, handle_level_irq);
2682 raw_spin_lock_irqsave(&bank->slock, flags);
2685 level = readl_relaxed(gc->reg_base + GPIO_INTTYPE_LEVEL);
2686 polarity = readl_relaxed(gc->reg_base + GPIO_INT_POLARITY);
2689 case IRQ_TYPE_EDGE_BOTH:
2690 bank->toggle_edge_mode |= mask;
2694 * Determine gpio state. If 1 next interrupt should be falling
2697 data = readl(bank->reg_base + GPIO_EXT_PORT);
2703 case IRQ_TYPE_EDGE_RISING:
2704 bank->toggle_edge_mode &= ~mask;
2708 case IRQ_TYPE_EDGE_FALLING:
2709 bank->toggle_edge_mode &= ~mask;
2713 case IRQ_TYPE_LEVEL_HIGH:
2714 bank->toggle_edge_mode &= ~mask;
2718 case IRQ_TYPE_LEVEL_LOW:
2719 bank->toggle_edge_mode &= ~mask;
2725 raw_spin_unlock_irqrestore(&bank->slock, flags);
2726 clk_disable(bank->clk);
2730 writel_relaxed(level, gc->reg_base + GPIO_INTTYPE_LEVEL);
2731 writel_relaxed(polarity, gc->reg_base + GPIO_INT_POLARITY);
2734 raw_spin_unlock_irqrestore(&bank->slock, flags);
2735 clk_disable(bank->clk);
2740 static void rockchip_irq_suspend(struct irq_data *d)
2742 struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
2743 struct rockchip_pin_bank *bank = gc->private;
2745 clk_enable(bank->clk);
2746 bank->saved_masks = irq_reg_readl(gc, GPIO_INTMASK);
2747 irq_reg_writel(gc, ~gc->wake_active, GPIO_INTMASK);
2748 clk_disable(bank->clk);
2751 static void rockchip_irq_resume(struct irq_data *d)
2753 struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
2754 struct rockchip_pin_bank *bank = gc->private;
2756 clk_enable(bank->clk);
2757 irq_reg_writel(gc, bank->saved_masks, GPIO_INTMASK);
2758 clk_disable(bank->clk);
2761 static void rockchip_irq_enable(struct irq_data *d)
2763 struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
2764 struct rockchip_pin_bank *bank = gc->private;
2766 clk_enable(bank->clk);
2767 irq_gc_mask_clr_bit(d);
2770 static void rockchip_irq_disable(struct irq_data *d)
2772 struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
2773 struct rockchip_pin_bank *bank = gc->private;
2775 irq_gc_mask_set_bit(d);
2776 clk_disable(bank->clk);
2779 static int rockchip_interrupts_register(struct platform_device *pdev,
2780 struct rockchip_pinctrl *info)
2782 struct rockchip_pin_ctrl *ctrl = info->ctrl;
2783 struct rockchip_pin_bank *bank = ctrl->pin_banks;
2784 unsigned int clr = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
2785 struct irq_chip_generic *gc;
2789 for (i = 0; i < ctrl->nr_banks; ++i, ++bank) {
2791 dev_warn(&pdev->dev, "bank %s is not valid\n",
2796 ret = clk_enable(bank->clk);
2798 dev_err(&pdev->dev, "failed to enable clock for bank %s\n",
2803 bank->domain = irq_domain_add_linear(bank->of_node, 32,
2804 &irq_generic_chip_ops, NULL);
2805 if (!bank->domain) {
2806 dev_warn(&pdev->dev, "could not initialize irq domain for bank %s\n",
2808 clk_disable(bank->clk);
2812 ret = irq_alloc_domain_generic_chips(bank->domain, 32, 1,
2813 "rockchip_gpio_irq", handle_level_irq,
2814 clr, 0, IRQ_GC_INIT_MASK_CACHE);
2816 dev_err(&pdev->dev, "could not alloc generic chips for bank %s\n",
2818 irq_domain_remove(bank->domain);
2819 clk_disable(bank->clk);
2824 * Linux assumes that all interrupts start out disabled/masked.
2825 * Our driver only uses the concept of masked and always keeps
2826 * things enabled, so for us that's all masked and all enabled.
2828 writel_relaxed(0xffffffff, bank->reg_base + GPIO_INTMASK);
2829 writel_relaxed(0xffffffff, bank->reg_base + GPIO_INTEN);
2831 gc = irq_get_domain_generic_chip(bank->domain, 0);
2832 gc->reg_base = bank->reg_base;
2834 gc->chip_types[0].regs.mask = GPIO_INTMASK;
2835 gc->chip_types[0].regs.ack = GPIO_PORTS_EOI;
2836 gc->chip_types[0].chip.irq_ack = irq_gc_ack_set_bit;
2837 gc->chip_types[0].chip.irq_mask = irq_gc_mask_set_bit;
2838 gc->chip_types[0].chip.irq_unmask = irq_gc_mask_clr_bit;
2839 gc->chip_types[0].chip.irq_enable = rockchip_irq_enable;
2840 gc->chip_types[0].chip.irq_disable = rockchip_irq_disable;
2841 gc->chip_types[0].chip.irq_set_wake = irq_gc_set_wake;
2842 gc->chip_types[0].chip.irq_suspend = rockchip_irq_suspend;
2843 gc->chip_types[0].chip.irq_resume = rockchip_irq_resume;
2844 gc->chip_types[0].chip.irq_set_type = rockchip_irq_set_type;
2845 gc->wake_enabled = IRQ_MSK(bank->nr_pins);
2847 irq_set_chained_handler_and_data(bank->irq,
2848 rockchip_irq_demux, bank);
2850 /* map the gpio irqs here, when the clock is still running */
2851 for (j = 0 ; j < 32 ; j++)
2852 irq_create_mapping(bank->domain, j);
2854 clk_disable(bank->clk);
2860 static int rockchip_gpiolib_register(struct platform_device *pdev,
2861 struct rockchip_pinctrl *info)
2863 struct rockchip_pin_ctrl *ctrl = info->ctrl;
2864 struct rockchip_pin_bank *bank = ctrl->pin_banks;
2865 struct gpio_chip *gc;
2869 for (i = 0; i < ctrl->nr_banks; ++i, ++bank) {
2871 dev_warn(&pdev->dev, "bank %s is not valid\n",
2876 bank->gpio_chip = rockchip_gpiolib_chip;
2878 gc = &bank->gpio_chip;
2879 gc->base = bank->pin_base;
2880 gc->ngpio = bank->nr_pins;
2881 gc->parent = &pdev->dev;
2882 gc->of_node = bank->of_node;
2883 gc->label = bank->name;
2885 ret = gpiochip_add_data(gc, bank);
2887 dev_err(&pdev->dev, "failed to register gpio_chip %s, error code: %d\n",
2893 rockchip_interrupts_register(pdev, info);
2898 for (--i, --bank; i >= 0; --i, --bank) {
2901 gpiochip_remove(&bank->gpio_chip);
2906 static int rockchip_gpiolib_unregister(struct platform_device *pdev,
2907 struct rockchip_pinctrl *info)
2909 struct rockchip_pin_ctrl *ctrl = info->ctrl;
2910 struct rockchip_pin_bank *bank = ctrl->pin_banks;
2913 for (i = 0; i < ctrl->nr_banks; ++i, ++bank) {
2916 gpiochip_remove(&bank->gpio_chip);
2922 static int rockchip_get_bank_data(struct rockchip_pin_bank *bank,
2923 struct rockchip_pinctrl *info)
2925 struct resource res;
2928 if (of_address_to_resource(bank->of_node, 0, &res)) {
2929 dev_err(info->dev, "cannot find IO resource for bank\n");
2933 bank->reg_base = devm_ioremap_resource(info->dev, &res);
2934 if (IS_ERR(bank->reg_base))
2935 return PTR_ERR(bank->reg_base);
2938 * special case, where parts of the pull setting-registers are
2939 * part of the PMU register space
2941 if (of_device_is_compatible(bank->of_node,
2942 "rockchip,rk3188-gpio-bank0")) {
2943 struct device_node *node;
2945 node = of_parse_phandle(bank->of_node->parent,
2948 if (of_address_to_resource(bank->of_node, 1, &res)) {
2949 dev_err(info->dev, "cannot find IO resource for bank\n");
2953 base = devm_ioremap_resource(info->dev, &res);
2955 return PTR_ERR(base);
2956 rockchip_regmap_config.max_register =
2957 resource_size(&res) - 4;
2958 rockchip_regmap_config.name =
2959 "rockchip,rk3188-gpio-bank0-pull";
2960 bank->regmap_pull = devm_regmap_init_mmio(info->dev,
2962 &rockchip_regmap_config);
2966 bank->irq = irq_of_parse_and_map(bank->of_node, 0);
2968 bank->clk = of_clk_get(bank->of_node, 0);
2969 if (IS_ERR(bank->clk))
2970 return PTR_ERR(bank->clk);
2972 return clk_prepare(bank->clk);
2975 static const struct of_device_id rockchip_pinctrl_dt_match[];
2977 /* retrieve the soc specific data */
2978 static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data(
2979 struct rockchip_pinctrl *d,
2980 struct platform_device *pdev)
2982 const struct of_device_id *match;
2983 struct device_node *node = pdev->dev.of_node;
2984 struct device_node *np;
2985 struct rockchip_pin_ctrl *ctrl;
2986 struct rockchip_pin_bank *bank;
2987 int grf_offs, pmu_offs, drv_grf_offs, drv_pmu_offs, i, j;
2989 match = of_match_node(rockchip_pinctrl_dt_match, node);
2990 ctrl = (struct rockchip_pin_ctrl *)match->data;
2992 for_each_child_of_node(node, np) {
2993 if (!of_find_property(np, "gpio-controller", NULL))
2996 bank = ctrl->pin_banks;
2997 for (i = 0; i < ctrl->nr_banks; ++i, ++bank) {
2998 if (!strcmp(bank->name, np->name)) {
3001 if (!rockchip_get_bank_data(bank, d))
3009 grf_offs = ctrl->grf_mux_offset;
3010 pmu_offs = ctrl->pmu_mux_offset;
3011 drv_pmu_offs = ctrl->pmu_drv_offset;
3012 drv_grf_offs = ctrl->grf_drv_offset;
3013 bank = ctrl->pin_banks;
3014 for (i = 0; i < ctrl->nr_banks; ++i, ++bank) {
3017 raw_spin_lock_init(&bank->slock);
3019 bank->pin_base = ctrl->nr_pins;
3020 ctrl->nr_pins += bank->nr_pins;
3022 /* calculate iomux and drv offsets */
3023 for (j = 0; j < 4; j++) {
3024 struct rockchip_iomux *iom = &bank->iomux[j];
3025 struct rockchip_drv *drv = &bank->drv[j];
3028 if (bank_pins >= bank->nr_pins)
3031 /* preset iomux offset value, set new start value */
3032 if (iom->offset >= 0) {
3033 if (iom->type & IOMUX_SOURCE_PMU)
3034 pmu_offs = iom->offset;
3036 grf_offs = iom->offset;
3037 } else { /* set current iomux offset */
3038 iom->offset = (iom->type & IOMUX_SOURCE_PMU) ?
3039 pmu_offs : grf_offs;
3042 /* preset drv offset value, set new start value */
3043 if (drv->offset >= 0) {
3044 if (iom->type & IOMUX_SOURCE_PMU)
3045 drv_pmu_offs = drv->offset;
3047 drv_grf_offs = drv->offset;
3048 } else { /* set current drv offset */
3049 drv->offset = (iom->type & IOMUX_SOURCE_PMU) ?
3050 drv_pmu_offs : drv_grf_offs;
3053 dev_dbg(d->dev, "bank %d, iomux %d has iom_offset 0x%x drv_offset 0x%x\n",
3054 i, j, iom->offset, drv->offset);
3057 * Increase offset according to iomux width.
3058 * 4bit iomux'es are spread over two registers.
3060 inc = (iom->type & (IOMUX_WIDTH_4BIT |
3061 IOMUX_WIDTH_3BIT)) ? 8 : 4;
3062 if (iom->type & IOMUX_SOURCE_PMU)
3068 * Increase offset according to drv width.
3069 * 3bit drive-strenth'es are spread over two registers.
3071 if ((drv->drv_type == DRV_TYPE_IO_1V8_3V0_AUTO) ||
3072 (drv->drv_type == DRV_TYPE_IO_3V3_ONLY))
3077 if (iom->type & IOMUX_SOURCE_PMU)
3078 drv_pmu_offs += inc;
3080 drv_grf_offs += inc;
3085 /* calculate the per-bank recalced_mask */
3086 for (j = 0; j < ctrl->niomux_recalced; j++) {
3089 if (ctrl->iomux_recalced[j].num == bank->bank_num) {
3090 pin = ctrl->iomux_recalced[j].pin;
3091 bank->recalced_mask |= BIT(pin);
3095 /* calculate the per-bank route_mask */
3096 for (j = 0; j < ctrl->niomux_routes; j++) {
3099 if (ctrl->iomux_routes[j].bank_num == bank->bank_num) {
3100 pin = ctrl->iomux_routes[j].pin;
3101 bank->route_mask |= BIT(pin);
3109 #define RK3288_GRF_GPIO6C_IOMUX 0x64
3110 #define GPIO6C6_SEL_WRITE_ENABLE BIT(28)
3112 static u32 rk3288_grf_gpio6c_iomux;
3114 static int __maybe_unused rockchip_pinctrl_suspend(struct device *dev)
3116 struct rockchip_pinctrl *info = dev_get_drvdata(dev);
3117 int ret = pinctrl_force_sleep(info->pctl_dev);
3123 * RK3288 GPIO6_C6 mux would be modified by Maskrom when resume, so save
3124 * the setting here, and restore it at resume.
3126 if (info->ctrl->type == RK3288) {
3127 ret = regmap_read(info->regmap_base, RK3288_GRF_GPIO6C_IOMUX,
3128 &rk3288_grf_gpio6c_iomux);
3130 pinctrl_force_default(info->pctl_dev);
3138 static int __maybe_unused rockchip_pinctrl_resume(struct device *dev)
3140 struct rockchip_pinctrl *info = dev_get_drvdata(dev);
3141 int ret = regmap_write(info->regmap_base, RK3288_GRF_GPIO6C_IOMUX,
3142 rk3288_grf_gpio6c_iomux |
3143 GPIO6C6_SEL_WRITE_ENABLE);
3148 return pinctrl_force_default(info->pctl_dev);
3151 static SIMPLE_DEV_PM_OPS(rockchip_pinctrl_dev_pm_ops, rockchip_pinctrl_suspend,
3152 rockchip_pinctrl_resume);
3154 static int rockchip_pinctrl_probe(struct platform_device *pdev)
3156 struct rockchip_pinctrl *info;
3157 struct device *dev = &pdev->dev;
3158 struct rockchip_pin_ctrl *ctrl;
3159 struct device_node *np = pdev->dev.of_node, *node;
3160 struct resource *res;
3164 if (!dev->of_node) {
3165 dev_err(dev, "device tree node not found\n");
3169 info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
3175 ctrl = rockchip_pinctrl_get_soc_data(info, pdev);
3177 dev_err(dev, "driver data not available\n");
3182 node = of_parse_phandle(np, "rockchip,grf", 0);
3184 info->regmap_base = syscon_node_to_regmap(node);
3185 if (IS_ERR(info->regmap_base))
3186 return PTR_ERR(info->regmap_base);
3188 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
3189 base = devm_ioremap_resource(&pdev->dev, res);
3191 return PTR_ERR(base);
3193 rockchip_regmap_config.max_register = resource_size(res) - 4;
3194 rockchip_regmap_config.name = "rockchip,pinctrl";
3195 info->regmap_base = devm_regmap_init_mmio(&pdev->dev, base,
3196 &rockchip_regmap_config);
3198 /* to check for the old dt-bindings */
3199 info->reg_size = resource_size(res);
3201 /* Honor the old binding, with pull registers as 2nd resource */
3202 if (ctrl->type == RK3188 && info->reg_size < 0x200) {
3203 res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
3204 base = devm_ioremap_resource(&pdev->dev, res);
3206 return PTR_ERR(base);
3208 rockchip_regmap_config.max_register =
3209 resource_size(res) - 4;
3210 rockchip_regmap_config.name = "rockchip,pinctrl-pull";
3211 info->regmap_pull = devm_regmap_init_mmio(&pdev->dev,
3213 &rockchip_regmap_config);
3217 /* try to find the optional reference to the pmu syscon */
3218 node = of_parse_phandle(np, "rockchip,pmu", 0);
3220 info->regmap_pmu = syscon_node_to_regmap(node);
3221 if (IS_ERR(info->regmap_pmu))
3222 return PTR_ERR(info->regmap_pmu);
3225 ret = rockchip_gpiolib_register(pdev, info);
3229 ret = rockchip_pinctrl_register(pdev, info);
3231 rockchip_gpiolib_unregister(pdev, info);
3235 platform_set_drvdata(pdev, info);
3240 static struct rockchip_pin_bank rv1108_pin_banks[] = {
3241 PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU,
3245 PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0),
3246 PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0, 0, 0, 0),
3247 PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", 0, 0, 0, 0),
3250 static struct rockchip_pin_ctrl rv1108_pin_ctrl = {
3251 .pin_banks = rv1108_pin_banks,
3252 .nr_banks = ARRAY_SIZE(rv1108_pin_banks),
3253 .label = "RV1108-GPIO",
3255 .grf_mux_offset = 0x10,
3256 .pmu_mux_offset = 0x0,
3257 .iomux_recalced = rv1108_mux_recalced_data,
3258 .niomux_recalced = ARRAY_SIZE(rv1108_mux_recalced_data),
3259 .pull_calc_reg = rv1108_calc_pull_reg_and_bit,
3260 .drv_calc_reg = rv1108_calc_drv_reg_and_bit,
3261 .schmitt_calc_reg = rv1108_calc_schmitt_reg_and_bit,
3264 static struct rockchip_pin_bank rk2928_pin_banks[] = {
3265 PIN_BANK(0, 32, "gpio0"),
3266 PIN_BANK(1, 32, "gpio1"),
3267 PIN_BANK(2, 32, "gpio2"),
3268 PIN_BANK(3, 32, "gpio3"),
3271 static struct rockchip_pin_ctrl rk2928_pin_ctrl = {
3272 .pin_banks = rk2928_pin_banks,
3273 .nr_banks = ARRAY_SIZE(rk2928_pin_banks),
3274 .label = "RK2928-GPIO",
3276 .grf_mux_offset = 0xa8,
3277 .pull_calc_reg = rk2928_calc_pull_reg_and_bit,
3280 static struct rockchip_pin_bank rk3036_pin_banks[] = {
3281 PIN_BANK(0, 32, "gpio0"),
3282 PIN_BANK(1, 32, "gpio1"),
3283 PIN_BANK(2, 32, "gpio2"),
3286 static struct rockchip_pin_ctrl rk3036_pin_ctrl = {
3287 .pin_banks = rk3036_pin_banks,
3288 .nr_banks = ARRAY_SIZE(rk3036_pin_banks),
3289 .label = "RK3036-GPIO",
3291 .grf_mux_offset = 0xa8,
3292 .pull_calc_reg = rk2928_calc_pull_reg_and_bit,
3295 static struct rockchip_pin_bank rk3066a_pin_banks[] = {
3296 PIN_BANK(0, 32, "gpio0"),
3297 PIN_BANK(1, 32, "gpio1"),
3298 PIN_BANK(2, 32, "gpio2"),
3299 PIN_BANK(3, 32, "gpio3"),
3300 PIN_BANK(4, 32, "gpio4"),
3301 PIN_BANK(6, 16, "gpio6"),
3304 static struct rockchip_pin_ctrl rk3066a_pin_ctrl = {
3305 .pin_banks = rk3066a_pin_banks,
3306 .nr_banks = ARRAY_SIZE(rk3066a_pin_banks),
3307 .label = "RK3066a-GPIO",
3309 .grf_mux_offset = 0xa8,
3310 .pull_calc_reg = rk2928_calc_pull_reg_and_bit,
3313 static struct rockchip_pin_bank rk3066b_pin_banks[] = {
3314 PIN_BANK(0, 32, "gpio0"),
3315 PIN_BANK(1, 32, "gpio1"),
3316 PIN_BANK(2, 32, "gpio2"),
3317 PIN_BANK(3, 32, "gpio3"),
3320 static struct rockchip_pin_ctrl rk3066b_pin_ctrl = {
3321 .pin_banks = rk3066b_pin_banks,
3322 .nr_banks = ARRAY_SIZE(rk3066b_pin_banks),
3323 .label = "RK3066b-GPIO",
3325 .grf_mux_offset = 0x60,
3328 static struct rockchip_pin_bank rk3128_pin_banks[] = {
3329 PIN_BANK(0, 32, "gpio0"),
3330 PIN_BANK(1, 32, "gpio1"),
3331 PIN_BANK(2, 32, "gpio2"),
3332 PIN_BANK(3, 32, "gpio3"),
3335 static struct rockchip_pin_ctrl rk3128_pin_ctrl = {
3336 .pin_banks = rk3128_pin_banks,
3337 .nr_banks = ARRAY_SIZE(rk3128_pin_banks),
3338 .label = "RK3128-GPIO",
3340 .grf_mux_offset = 0xa8,
3341 .iomux_recalced = rk3128_mux_recalced_data,
3342 .niomux_recalced = ARRAY_SIZE(rk3128_mux_recalced_data),
3343 .iomux_routes = rk3128_mux_route_data,
3344 .niomux_routes = ARRAY_SIZE(rk3128_mux_route_data),
3345 .pull_calc_reg = rk3128_calc_pull_reg_and_bit,
3348 static struct rockchip_pin_bank rk3188_pin_banks[] = {
3349 PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_GPIO_ONLY, 0, 0, 0),
3350 PIN_BANK(1, 32, "gpio1"),
3351 PIN_BANK(2, 32, "gpio2"),
3352 PIN_BANK(3, 32, "gpio3"),
3355 static struct rockchip_pin_ctrl rk3188_pin_ctrl = {
3356 .pin_banks = rk3188_pin_banks,
3357 .nr_banks = ARRAY_SIZE(rk3188_pin_banks),
3358 .label = "RK3188-GPIO",
3360 .grf_mux_offset = 0x60,
3361 .pull_calc_reg = rk3188_calc_pull_reg_and_bit,
3364 static struct rockchip_pin_bank rk3228_pin_banks[] = {
3365 PIN_BANK(0, 32, "gpio0"),
3366 PIN_BANK(1, 32, "gpio1"),
3367 PIN_BANK(2, 32, "gpio2"),
3368 PIN_BANK(3, 32, "gpio3"),
3371 static struct rockchip_pin_ctrl rk3228_pin_ctrl = {
3372 .pin_banks = rk3228_pin_banks,
3373 .nr_banks = ARRAY_SIZE(rk3228_pin_banks),
3374 .label = "RK3228-GPIO",
3376 .grf_mux_offset = 0x0,
3377 .iomux_routes = rk3228_mux_route_data,
3378 .niomux_routes = ARRAY_SIZE(rk3228_mux_route_data),
3379 .pull_calc_reg = rk3228_calc_pull_reg_and_bit,
3380 .drv_calc_reg = rk3228_calc_drv_reg_and_bit,
3383 static struct rockchip_pin_bank rk3288_pin_banks[] = {
3384 PIN_BANK_IOMUX_FLAGS(0, 24, "gpio0", IOMUX_SOURCE_PMU,
3389 PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_UNROUTED,
3394 PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0, 0, 0, IOMUX_UNROUTED),
3395 PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", 0, 0, 0, IOMUX_WIDTH_4BIT),
3396 PIN_BANK_IOMUX_FLAGS(4, 32, "gpio4", IOMUX_WIDTH_4BIT,
3401 PIN_BANK_IOMUX_FLAGS(5, 32, "gpio5", IOMUX_UNROUTED,
3406 PIN_BANK_IOMUX_FLAGS(6, 32, "gpio6", 0, 0, 0, IOMUX_UNROUTED),
3407 PIN_BANK_IOMUX_FLAGS(7, 32, "gpio7", 0,
3412 PIN_BANK(8, 16, "gpio8"),
3415 static struct rockchip_pin_ctrl rk3288_pin_ctrl = {
3416 .pin_banks = rk3288_pin_banks,
3417 .nr_banks = ARRAY_SIZE(rk3288_pin_banks),
3418 .label = "RK3288-GPIO",
3420 .grf_mux_offset = 0x0,
3421 .pmu_mux_offset = 0x84,
3422 .iomux_routes = rk3288_mux_route_data,
3423 .niomux_routes = ARRAY_SIZE(rk3288_mux_route_data),
3424 .pull_calc_reg = rk3288_calc_pull_reg_and_bit,
3425 .drv_calc_reg = rk3288_calc_drv_reg_and_bit,
3428 static struct rockchip_pin_bank rk3328_pin_banks[] = {
3429 PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", 0, 0, 0, 0),
3430 PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0),
3431 PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0,
3435 PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3",
3442 static struct rockchip_pin_ctrl rk3328_pin_ctrl = {
3443 .pin_banks = rk3328_pin_banks,
3444 .nr_banks = ARRAY_SIZE(rk3328_pin_banks),
3445 .label = "RK3328-GPIO",
3447 .grf_mux_offset = 0x0,
3448 .iomux_recalced = rk3328_mux_recalced_data,
3449 .niomux_recalced = ARRAY_SIZE(rk3328_mux_recalced_data),
3450 .iomux_routes = rk3328_mux_route_data,
3451 .niomux_routes = ARRAY_SIZE(rk3328_mux_route_data),
3452 .pull_calc_reg = rk3228_calc_pull_reg_and_bit,
3453 .drv_calc_reg = rk3228_calc_drv_reg_and_bit,
3454 .schmitt_calc_reg = rk3328_calc_schmitt_reg_and_bit,
3457 static struct rockchip_pin_bank rk3368_pin_banks[] = {
3458 PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU,
3463 PIN_BANK(1, 32, "gpio1"),
3464 PIN_BANK(2, 32, "gpio2"),
3465 PIN_BANK(3, 32, "gpio3"),
3468 static struct rockchip_pin_ctrl rk3368_pin_ctrl = {
3469 .pin_banks = rk3368_pin_banks,
3470 .nr_banks = ARRAY_SIZE(rk3368_pin_banks),
3471 .label = "RK3368-GPIO",
3473 .grf_mux_offset = 0x0,
3474 .pmu_mux_offset = 0x0,
3475 .pull_calc_reg = rk3368_calc_pull_reg_and_bit,
3476 .drv_calc_reg = rk3368_calc_drv_reg_and_bit,
3479 static struct rockchip_pin_bank rk3399_pin_banks[] = {
3480 PIN_BANK_IOMUX_FLAGS_DRV_FLAGS_OFFSET_PULL_FLAGS(0, 32, "gpio0",
3485 DRV_TYPE_IO_1V8_ONLY,
3486 DRV_TYPE_IO_1V8_ONLY,
3487 DRV_TYPE_IO_DEFAULT,
3488 DRV_TYPE_IO_DEFAULT,
3493 PULL_TYPE_IO_1V8_ONLY,
3494 PULL_TYPE_IO_1V8_ONLY,
3495 PULL_TYPE_IO_DEFAULT,
3496 PULL_TYPE_IO_DEFAULT
3498 PIN_BANK_IOMUX_DRV_FLAGS_OFFSET(1, 32, "gpio1", IOMUX_SOURCE_PMU,
3502 DRV_TYPE_IO_1V8_OR_3V0,
3503 DRV_TYPE_IO_1V8_OR_3V0,
3504 DRV_TYPE_IO_1V8_OR_3V0,
3505 DRV_TYPE_IO_1V8_OR_3V0,
3511 PIN_BANK_DRV_FLAGS_PULL_FLAGS(2, 32, "gpio2", DRV_TYPE_IO_1V8_OR_3V0,
3512 DRV_TYPE_IO_1V8_OR_3V0,
3513 DRV_TYPE_IO_1V8_ONLY,
3514 DRV_TYPE_IO_1V8_ONLY,
3515 PULL_TYPE_IO_DEFAULT,
3516 PULL_TYPE_IO_DEFAULT,
3517 PULL_TYPE_IO_1V8_ONLY,
3518 PULL_TYPE_IO_1V8_ONLY
3520 PIN_BANK_DRV_FLAGS(3, 32, "gpio3", DRV_TYPE_IO_3V3_ONLY,
3521 DRV_TYPE_IO_3V3_ONLY,
3522 DRV_TYPE_IO_3V3_ONLY,
3523 DRV_TYPE_IO_1V8_OR_3V0
3525 PIN_BANK_DRV_FLAGS(4, 32, "gpio4", DRV_TYPE_IO_1V8_OR_3V0,
3526 DRV_TYPE_IO_1V8_3V0_AUTO,
3527 DRV_TYPE_IO_1V8_OR_3V0,
3528 DRV_TYPE_IO_1V8_OR_3V0
3532 static struct rockchip_pin_ctrl rk3399_pin_ctrl = {
3533 .pin_banks = rk3399_pin_banks,
3534 .nr_banks = ARRAY_SIZE(rk3399_pin_banks),
3535 .label = "RK3399-GPIO",
3537 .grf_mux_offset = 0xe000,
3538 .pmu_mux_offset = 0x0,
3539 .grf_drv_offset = 0xe100,
3540 .pmu_drv_offset = 0x80,
3541 .iomux_routes = rk3399_mux_route_data,
3542 .niomux_routes = ARRAY_SIZE(rk3399_mux_route_data),
3543 .pull_calc_reg = rk3399_calc_pull_reg_and_bit,
3544 .drv_calc_reg = rk3399_calc_drv_reg_and_bit,
3547 static const struct of_device_id rockchip_pinctrl_dt_match[] = {
3548 { .compatible = "rockchip,rv1108-pinctrl",
3549 .data = &rv1108_pin_ctrl },
3550 { .compatible = "rockchip,rk2928-pinctrl",
3551 .data = &rk2928_pin_ctrl },
3552 { .compatible = "rockchip,rk3036-pinctrl",
3553 .data = &rk3036_pin_ctrl },
3554 { .compatible = "rockchip,rk3066a-pinctrl",
3555 .data = &rk3066a_pin_ctrl },
3556 { .compatible = "rockchip,rk3066b-pinctrl",
3557 .data = &rk3066b_pin_ctrl },
3558 { .compatible = "rockchip,rk3128-pinctrl",
3559 .data = (void *)&rk3128_pin_ctrl },
3560 { .compatible = "rockchip,rk3188-pinctrl",
3561 .data = &rk3188_pin_ctrl },
3562 { .compatible = "rockchip,rk3228-pinctrl",
3563 .data = &rk3228_pin_ctrl },
3564 { .compatible = "rockchip,rk3288-pinctrl",
3565 .data = &rk3288_pin_ctrl },
3566 { .compatible = "rockchip,rk3328-pinctrl",
3567 .data = &rk3328_pin_ctrl },
3568 { .compatible = "rockchip,rk3368-pinctrl",
3569 .data = &rk3368_pin_ctrl },
3570 { .compatible = "rockchip,rk3399-pinctrl",
3571 .data = &rk3399_pin_ctrl },
3575 static struct platform_driver rockchip_pinctrl_driver = {
3576 .probe = rockchip_pinctrl_probe,
3578 .name = "rockchip-pinctrl",
3579 .pm = &rockchip_pinctrl_dev_pm_ops,
3580 .of_match_table = rockchip_pinctrl_dt_match,
3584 static int __init rockchip_pinctrl_drv_register(void)
3586 return platform_driver_register(&rockchip_pinctrl_driver);
3588 postcore_initcall(rockchip_pinctrl_drv_register);