2 * Allwinner A1X SoCs pinctrl driver.
4 * Copyright (C) 2012 Maxime Ripard
6 * Maxime Ripard <maxime.ripard@free-electrons.com>
8 * This file is licensed under the terms of the GNU General Public
9 * License version 2. This program is licensed "as is" without any
10 * warranty of any kind, whether express or implied.
14 #include <linux/clk.h>
15 #include <linux/gpio.h>
16 #include <linux/irqdomain.h>
17 #include <linux/module.h>
19 #include <linux/of_address.h>
20 #include <linux/of_device.h>
21 #include <linux/of_irq.h>
22 #include <linux/pinctrl/consumer.h>
23 #include <linux/pinctrl/machine.h>
24 #include <linux/pinctrl/pinctrl.h>
25 #include <linux/pinctrl/pinconf-generic.h>
26 #include <linux/pinctrl/pinmux.h>
27 #include <linux/platform_device.h>
28 #include <linux/slab.h>
31 #include "pinctrl-sunxi.h"
32 #include "pinctrl-sunxi-pins.h"
34 static struct sunxi_pinctrl_group *
35 sunxi_pinctrl_find_group_by_name(struct sunxi_pinctrl *pctl, const char *group)
39 for (i = 0; i < pctl->ngroups; i++) {
40 struct sunxi_pinctrl_group *grp = pctl->groups + i;
42 if (!strcmp(grp->name, group))
49 static struct sunxi_pinctrl_function *
50 sunxi_pinctrl_find_function_by_name(struct sunxi_pinctrl *pctl,
53 struct sunxi_pinctrl_function *func = pctl->functions;
56 for (i = 0; i < pctl->nfunctions; i++) {
60 if (!strcmp(func[i].name, name))
67 static struct sunxi_desc_function *
68 sunxi_pinctrl_desc_find_function_by_name(struct sunxi_pinctrl *pctl,
70 const char *func_name)
74 for (i = 0; i < pctl->desc->npins; i++) {
75 const struct sunxi_desc_pin *pin = pctl->desc->pins + i;
77 if (!strcmp(pin->pin.name, pin_name)) {
78 struct sunxi_desc_function *func = pin->functions;
81 if (!strcmp(func->name, func_name))
92 static struct sunxi_desc_function *
93 sunxi_pinctrl_desc_find_function_by_pin(struct sunxi_pinctrl *pctl,
95 const char *func_name)
99 for (i = 0; i < pctl->desc->npins; i++) {
100 const struct sunxi_desc_pin *pin = pctl->desc->pins + i;
102 if (pin->pin.number == pin_num) {
103 struct sunxi_desc_function *func = pin->functions;
106 if (!strcmp(func->name, func_name))
117 static int sunxi_pctrl_get_groups_count(struct pinctrl_dev *pctldev)
119 struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
121 return pctl->ngroups;
124 static const char *sunxi_pctrl_get_group_name(struct pinctrl_dev *pctldev,
127 struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
129 return pctl->groups[group].name;
132 static int sunxi_pctrl_get_group_pins(struct pinctrl_dev *pctldev,
134 const unsigned **pins,
137 struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
139 *pins = (unsigned *)&pctl->groups[group].pin;
145 static int sunxi_pctrl_dt_node_to_map(struct pinctrl_dev *pctldev,
146 struct device_node *node,
147 struct pinctrl_map **map,
150 struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
151 unsigned long *pinconfig;
152 struct property *prop;
153 const char *function;
155 int ret, nmaps, i = 0;
161 ret = of_property_read_string(node, "allwinner,function", &function);
164 "missing allwinner,function property in node %s\n",
169 nmaps = of_property_count_strings(node, "allwinner,pins") * 2;
172 "missing allwinner,pins property in node %s\n",
177 *map = kmalloc(nmaps * sizeof(struct pinctrl_map), GFP_KERNEL);
181 of_property_for_each_string(node, "allwinner,pins", prop, group) {
182 struct sunxi_pinctrl_group *grp =
183 sunxi_pinctrl_find_group_by_name(pctl, group);
184 int j = 0, configlen = 0;
187 dev_err(pctl->dev, "unknown pin %s", group);
191 if (!sunxi_pinctrl_desc_find_function_by_name(pctl,
194 dev_err(pctl->dev, "unsupported function %s on pin %s",
199 (*map)[i].type = PIN_MAP_TYPE_MUX_GROUP;
200 (*map)[i].data.mux.group = group;
201 (*map)[i].data.mux.function = function;
205 (*map)[i].type = PIN_MAP_TYPE_CONFIGS_GROUP;
206 (*map)[i].data.configs.group_or_pin = group;
208 if (of_find_property(node, "allwinner,drive", NULL))
210 if (of_find_property(node, "allwinner,pull", NULL))
213 pinconfig = kzalloc(configlen * sizeof(*pinconfig), GFP_KERNEL);
215 if (!of_property_read_u32(node, "allwinner,drive", &val)) {
216 u16 strength = (val + 1) * 10;
218 pinconf_to_config_packed(PIN_CONFIG_DRIVE_STRENGTH,
222 if (!of_property_read_u32(node, "allwinner,pull", &val)) {
223 enum pin_config_param pull = PIN_CONFIG_END;
225 pull = PIN_CONFIG_BIAS_PULL_UP;
227 pull = PIN_CONFIG_BIAS_PULL_DOWN;
228 pinconfig[j++] = pinconf_to_config_packed(pull, 0);
231 (*map)[i].data.configs.configs = pinconfig;
232 (*map)[i].data.configs.num_configs = configlen;
242 static void sunxi_pctrl_dt_free_map(struct pinctrl_dev *pctldev,
243 struct pinctrl_map *map,
248 for (i = 0; i < num_maps; i++) {
249 if (map[i].type == PIN_MAP_TYPE_CONFIGS_GROUP)
250 kfree(map[i].data.configs.configs);
256 static const struct pinctrl_ops sunxi_pctrl_ops = {
257 .dt_node_to_map = sunxi_pctrl_dt_node_to_map,
258 .dt_free_map = sunxi_pctrl_dt_free_map,
259 .get_groups_count = sunxi_pctrl_get_groups_count,
260 .get_group_name = sunxi_pctrl_get_group_name,
261 .get_group_pins = sunxi_pctrl_get_group_pins,
264 static int sunxi_pconf_group_get(struct pinctrl_dev *pctldev,
266 unsigned long *config)
268 struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
270 *config = pctl->groups[group].config;
275 static int sunxi_pconf_group_set(struct pinctrl_dev *pctldev,
277 unsigned long *configs,
278 unsigned num_configs)
280 struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
281 struct sunxi_pinctrl_group *g = &pctl->groups[group];
287 for (i = 0; i < num_configs; i++) {
288 switch (pinconf_to_config_param(configs[i])) {
289 case PIN_CONFIG_DRIVE_STRENGTH:
290 strength = pinconf_to_config_argument(configs[i]);
294 * We convert from mA to what the register expects:
300 dlevel = strength / 10 - 1;
301 val = readl(pctl->membase + sunxi_dlevel_reg(g->pin));
302 mask = DLEVEL_PINS_MASK << sunxi_dlevel_offset(g->pin);
304 | dlevel << sunxi_dlevel_offset(g->pin),
305 pctl->membase + sunxi_dlevel_reg(g->pin));
307 case PIN_CONFIG_BIAS_PULL_UP:
308 val = readl(pctl->membase + sunxi_pull_reg(g->pin));
309 mask = PULL_PINS_MASK << sunxi_pull_offset(g->pin);
310 writel((val & ~mask) | 1 << sunxi_pull_offset(g->pin),
311 pctl->membase + sunxi_pull_reg(g->pin));
313 case PIN_CONFIG_BIAS_PULL_DOWN:
314 val = readl(pctl->membase + sunxi_pull_reg(g->pin));
315 mask = PULL_PINS_MASK << sunxi_pull_offset(g->pin);
316 writel((val & ~mask) | 2 << sunxi_pull_offset(g->pin),
317 pctl->membase + sunxi_pull_reg(g->pin));
323 /* cache the config value */
324 g->config = configs[i];
325 } /* for each config */
330 static const struct pinconf_ops sunxi_pconf_ops = {
331 .pin_config_group_get = sunxi_pconf_group_get,
332 .pin_config_group_set = sunxi_pconf_group_set,
335 static int sunxi_pmx_get_funcs_cnt(struct pinctrl_dev *pctldev)
337 struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
339 return pctl->nfunctions;
342 static const char *sunxi_pmx_get_func_name(struct pinctrl_dev *pctldev,
345 struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
347 return pctl->functions[function].name;
350 static int sunxi_pmx_get_func_groups(struct pinctrl_dev *pctldev,
352 const char * const **groups,
353 unsigned * const num_groups)
355 struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
357 *groups = pctl->functions[function].groups;
358 *num_groups = pctl->functions[function].ngroups;
363 static void sunxi_pmx_set(struct pinctrl_dev *pctldev,
367 struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
369 u32 val = readl(pctl->membase + sunxi_mux_reg(pin));
370 u32 mask = MUX_PINS_MASK << sunxi_mux_offset(pin);
371 writel((val & ~mask) | config << sunxi_mux_offset(pin),
372 pctl->membase + sunxi_mux_reg(pin));
375 static int sunxi_pmx_enable(struct pinctrl_dev *pctldev,
379 struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
380 struct sunxi_pinctrl_group *g = pctl->groups + group;
381 struct sunxi_pinctrl_function *func = pctl->functions + function;
382 struct sunxi_desc_function *desc =
383 sunxi_pinctrl_desc_find_function_by_name(pctl,
390 sunxi_pmx_set(pctldev, g->pin, desc->muxval);
396 sunxi_pmx_gpio_set_direction(struct pinctrl_dev *pctldev,
397 struct pinctrl_gpio_range *range,
401 struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
402 struct sunxi_desc_function *desc;
410 desc = sunxi_pinctrl_desc_find_function_by_pin(pctl, offset, func);
414 sunxi_pmx_set(pctldev, offset, desc->muxval);
419 static const struct pinmux_ops sunxi_pmx_ops = {
420 .get_functions_count = sunxi_pmx_get_funcs_cnt,
421 .get_function_name = sunxi_pmx_get_func_name,
422 .get_function_groups = sunxi_pmx_get_func_groups,
423 .enable = sunxi_pmx_enable,
424 .gpio_set_direction = sunxi_pmx_gpio_set_direction,
427 static struct pinctrl_desc sunxi_pctrl_desc = {
428 .confops = &sunxi_pconf_ops,
429 .pctlops = &sunxi_pctrl_ops,
430 .pmxops = &sunxi_pmx_ops,
433 static int sunxi_pinctrl_gpio_request(struct gpio_chip *chip, unsigned offset)
435 return pinctrl_request_gpio(chip->base + offset);
438 static void sunxi_pinctrl_gpio_free(struct gpio_chip *chip, unsigned offset)
440 pinctrl_free_gpio(chip->base + offset);
443 static int sunxi_pinctrl_gpio_direction_input(struct gpio_chip *chip,
446 return pinctrl_gpio_direction_input(chip->base + offset);
449 static int sunxi_pinctrl_gpio_get(struct gpio_chip *chip, unsigned offset)
451 struct sunxi_pinctrl *pctl = dev_get_drvdata(chip->dev);
453 u32 reg = sunxi_data_reg(offset);
454 u8 index = sunxi_data_offset(offset);
455 u32 val = (readl(pctl->membase + reg) >> index) & DATA_PINS_MASK;
460 static int sunxi_pinctrl_gpio_direction_output(struct gpio_chip *chip,
461 unsigned offset, int value)
463 return pinctrl_gpio_direction_output(chip->base + offset);
466 static void sunxi_pinctrl_gpio_set(struct gpio_chip *chip,
467 unsigned offset, int value)
469 struct sunxi_pinctrl *pctl = dev_get_drvdata(chip->dev);
470 u32 reg = sunxi_data_reg(offset);
471 u8 index = sunxi_data_offset(offset);
473 writel((value & DATA_PINS_MASK) << index, pctl->membase + reg);
476 static int sunxi_pinctrl_gpio_of_xlate(struct gpio_chip *gc,
477 const struct of_phandle_args *gpiospec,
482 base = PINS_PER_BANK * gpiospec->args[0];
483 pin = base + gpiospec->args[1];
485 if (pin > (gc->base + gc->ngpio))
489 *flags = gpiospec->args[2];
494 static int sunxi_pinctrl_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
496 struct sunxi_pinctrl *pctl = dev_get_drvdata(chip->dev);
497 struct sunxi_desc_function *desc;
499 if (offset > chip->ngpio)
502 desc = sunxi_pinctrl_desc_find_function_by_pin(pctl, offset, "irq");
506 pctl->irq_array[desc->irqnum] = offset;
508 dev_dbg(chip->dev, "%s: request IRQ for GPIO %d, return %d\n",
509 chip->label, offset + chip->base, desc->irqnum);
511 return irq_find_mapping(pctl->domain, desc->irqnum);
514 static struct gpio_chip sunxi_pinctrl_gpio_chip = {
515 .owner = THIS_MODULE,
516 .request = sunxi_pinctrl_gpio_request,
517 .free = sunxi_pinctrl_gpio_free,
518 .direction_input = sunxi_pinctrl_gpio_direction_input,
519 .direction_output = sunxi_pinctrl_gpio_direction_output,
520 .get = sunxi_pinctrl_gpio_get,
521 .set = sunxi_pinctrl_gpio_set,
522 .of_xlate = sunxi_pinctrl_gpio_of_xlate,
523 .to_irq = sunxi_pinctrl_gpio_to_irq,
524 .of_gpio_n_cells = 3,
528 static int sunxi_pinctrl_irq_set_type(struct irq_data *d,
531 struct sunxi_pinctrl *pctl = irq_data_get_irq_chip_data(d);
532 u32 reg = sunxi_irq_cfg_reg(d->hwirq);
533 u8 index = sunxi_irq_cfg_offset(d->hwirq);
537 case IRQ_TYPE_EDGE_RISING:
538 mode = IRQ_EDGE_RISING;
540 case IRQ_TYPE_EDGE_FALLING:
541 mode = IRQ_EDGE_FALLING;
543 case IRQ_TYPE_EDGE_BOTH:
544 mode = IRQ_EDGE_BOTH;
546 case IRQ_TYPE_LEVEL_HIGH:
547 mode = IRQ_LEVEL_HIGH;
549 case IRQ_TYPE_LEVEL_LOW:
550 mode = IRQ_LEVEL_LOW;
556 writel((mode & IRQ_CFG_IRQ_MASK) << index, pctl->membase + reg);
561 static void sunxi_pinctrl_irq_mask_ack(struct irq_data *d)
563 struct sunxi_pinctrl *pctl = irq_data_get_irq_chip_data(d);
564 u32 ctrl_reg = sunxi_irq_ctrl_reg(d->hwirq);
565 u8 ctrl_idx = sunxi_irq_ctrl_offset(d->hwirq);
566 u32 status_reg = sunxi_irq_status_reg(d->hwirq);
567 u8 status_idx = sunxi_irq_status_offset(d->hwirq);
571 val = readl(pctl->membase + ctrl_reg);
572 writel(val & ~(1 << ctrl_idx), pctl->membase + ctrl_reg);
575 writel(1 << status_idx, pctl->membase + status_reg);
578 static void sunxi_pinctrl_irq_mask(struct irq_data *d)
580 struct sunxi_pinctrl *pctl = irq_data_get_irq_chip_data(d);
581 u32 reg = sunxi_irq_ctrl_reg(d->hwirq);
582 u8 idx = sunxi_irq_ctrl_offset(d->hwirq);
586 val = readl(pctl->membase + reg);
587 writel(val & ~(1 << idx), pctl->membase + reg);
590 static void sunxi_pinctrl_irq_unmask(struct irq_data *d)
592 struct sunxi_pinctrl *pctl = irq_data_get_irq_chip_data(d);
593 struct sunxi_desc_function *func;
594 u32 reg = sunxi_irq_ctrl_reg(d->hwirq);
595 u8 idx = sunxi_irq_ctrl_offset(d->hwirq);
598 func = sunxi_pinctrl_desc_find_function_by_pin(pctl,
599 pctl->irq_array[d->hwirq],
602 /* Change muxing to INT mode */
603 sunxi_pmx_set(pctl->pctl_dev, pctl->irq_array[d->hwirq], func->muxval);
606 val = readl(pctl->membase + reg);
607 writel(val | (1 << idx), pctl->membase + reg);
610 static struct irq_chip sunxi_pinctrl_irq_chip = {
611 .irq_mask = sunxi_pinctrl_irq_mask,
612 .irq_mask_ack = sunxi_pinctrl_irq_mask_ack,
613 .irq_unmask = sunxi_pinctrl_irq_unmask,
614 .irq_set_type = sunxi_pinctrl_irq_set_type,
617 static void sunxi_pinctrl_irq_handler(unsigned irq, struct irq_desc *desc)
619 struct sunxi_pinctrl *pctl = irq_get_handler_data(irq);
620 const unsigned long reg = readl(pctl->membase + IRQ_STATUS_REG);
622 /* Clear all interrupts */
623 writel(reg, pctl->membase + IRQ_STATUS_REG);
628 for_each_set_bit(irqoffset, ®, SUNXI_IRQ_NUMBER) {
629 int pin_irq = irq_find_mapping(pctl->domain, irqoffset);
630 generic_handle_irq(pin_irq);
635 static struct of_device_id sunxi_pinctrl_match[] = {
636 { .compatible = "allwinner,sun4i-a10-pinctrl", .data = (void *)&sun4i_a10_pinctrl_data },
637 { .compatible = "allwinner,sun5i-a10s-pinctrl", .data = (void *)&sun5i_a10s_pinctrl_data },
638 { .compatible = "allwinner,sun5i-a13-pinctrl", .data = (void *)&sun5i_a13_pinctrl_data },
639 { .compatible = "allwinner,sun6i-a31-pinctrl", .data = (void *)&sun6i_a31_pinctrl_data },
640 { .compatible = "allwinner,sun7i-a20-pinctrl", .data = (void *)&sun7i_a20_pinctrl_data },
643 MODULE_DEVICE_TABLE(of, sunxi_pinctrl_match);
645 static int sunxi_pinctrl_add_function(struct sunxi_pinctrl *pctl,
648 struct sunxi_pinctrl_function *func = pctl->functions;
651 /* function already there */
652 if (strcmp(func->name, name) == 0) {
667 static int sunxi_pinctrl_build_state(struct platform_device *pdev)
669 struct sunxi_pinctrl *pctl = platform_get_drvdata(pdev);
672 pctl->ngroups = pctl->desc->npins;
674 /* Allocate groups */
675 pctl->groups = devm_kzalloc(&pdev->dev,
676 pctl->ngroups * sizeof(*pctl->groups),
681 for (i = 0; i < pctl->desc->npins; i++) {
682 const struct sunxi_desc_pin *pin = pctl->desc->pins + i;
683 struct sunxi_pinctrl_group *group = pctl->groups + i;
685 group->name = pin->pin.name;
686 group->pin = pin->pin.number;
690 * We suppose that we won't have any more functions than pins,
691 * we'll reallocate that later anyway
693 pctl->functions = devm_kzalloc(&pdev->dev,
694 pctl->desc->npins * sizeof(*pctl->functions),
696 if (!pctl->functions)
699 /* Count functions and their associated groups */
700 for (i = 0; i < pctl->desc->npins; i++) {
701 const struct sunxi_desc_pin *pin = pctl->desc->pins + i;
702 struct sunxi_desc_function *func = pin->functions;
705 sunxi_pinctrl_add_function(pctl, func->name);
710 pctl->functions = krealloc(pctl->functions,
711 pctl->nfunctions * sizeof(*pctl->functions),
714 for (i = 0; i < pctl->desc->npins; i++) {
715 const struct sunxi_desc_pin *pin = pctl->desc->pins + i;
716 struct sunxi_desc_function *func = pin->functions;
719 struct sunxi_pinctrl_function *func_item;
720 const char **func_grp;
722 func_item = sunxi_pinctrl_find_function_by_name(pctl,
727 if (!func_item->groups) {
729 devm_kzalloc(&pdev->dev,
730 func_item->ngroups * sizeof(*func_item->groups),
732 if (!func_item->groups)
736 func_grp = func_item->groups;
740 *func_grp = pin->pin.name;
748 static int sunxi_pinctrl_probe(struct platform_device *pdev)
750 struct device_node *node = pdev->dev.of_node;
751 const struct of_device_id *device;
752 struct pinctrl_pin_desc *pins;
753 struct sunxi_pinctrl *pctl;
754 int i, ret, last_pin;
757 pctl = devm_kzalloc(&pdev->dev, sizeof(*pctl), GFP_KERNEL);
760 platform_set_drvdata(pdev, pctl);
762 pctl->membase = of_iomap(node, 0);
766 device = of_match_device(sunxi_pinctrl_match, &pdev->dev);
770 pctl->desc = (struct sunxi_pinctrl_desc *)device->data;
772 ret = sunxi_pinctrl_build_state(pdev);
774 dev_err(&pdev->dev, "dt probe failed: %d\n", ret);
778 pins = devm_kzalloc(&pdev->dev,
779 pctl->desc->npins * sizeof(*pins),
784 for (i = 0; i < pctl->desc->npins; i++)
785 pins[i] = pctl->desc->pins[i].pin;
787 sunxi_pctrl_desc.name = dev_name(&pdev->dev);
788 sunxi_pctrl_desc.owner = THIS_MODULE;
789 sunxi_pctrl_desc.pins = pins;
790 sunxi_pctrl_desc.npins = pctl->desc->npins;
791 pctl->dev = &pdev->dev;
792 pctl->pctl_dev = pinctrl_register(&sunxi_pctrl_desc,
794 if (!pctl->pctl_dev) {
795 dev_err(&pdev->dev, "couldn't register pinctrl driver\n");
799 pctl->chip = devm_kzalloc(&pdev->dev, sizeof(*pctl->chip), GFP_KERNEL);
805 last_pin = pctl->desc->pins[pctl->desc->npins - 1].pin.number;
806 pctl->chip = &sunxi_pinctrl_gpio_chip;
807 pctl->chip->ngpio = round_up(last_pin, PINS_PER_BANK);
808 pctl->chip->label = dev_name(&pdev->dev);
809 pctl->chip->dev = &pdev->dev;
810 pctl->chip->base = 0;
812 ret = gpiochip_add(pctl->chip);
816 for (i = 0; i < pctl->desc->npins; i++) {
817 const struct sunxi_desc_pin *pin = pctl->desc->pins + i;
819 ret = gpiochip_add_pin_range(pctl->chip, dev_name(&pdev->dev),
826 clk = devm_clk_get(&pdev->dev, NULL);
832 clk_prepare_enable(clk);
834 pctl->irq = irq_of_parse_and_map(node, 0);
840 pctl->domain = irq_domain_add_linear(node, SUNXI_IRQ_NUMBER,
841 &irq_domain_simple_ops, NULL);
843 dev_err(&pdev->dev, "Couldn't register IRQ domain\n");
848 for (i = 0; i < SUNXI_IRQ_NUMBER; i++) {
849 int irqno = irq_create_mapping(pctl->domain, i);
851 irq_set_chip_and_handler(irqno, &sunxi_pinctrl_irq_chip,
853 irq_set_chip_data(irqno, pctl);
856 irq_set_chained_handler(pctl->irq, sunxi_pinctrl_irq_handler);
857 irq_set_handler_data(pctl->irq, pctl);
859 dev_info(&pdev->dev, "initialized sunXi PIO driver\n");
864 if (gpiochip_remove(pctl->chip))
865 dev_err(&pdev->dev, "failed to remove gpio chip\n");
867 pinctrl_unregister(pctl->pctl_dev);
871 static struct platform_driver sunxi_pinctrl_driver = {
872 .probe = sunxi_pinctrl_probe,
874 .name = "sunxi-pinctrl",
875 .owner = THIS_MODULE,
876 .of_match_table = sunxi_pinctrl_match,
879 module_platform_driver(sunxi_pinctrl_driver);
881 MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com");
882 MODULE_DESCRIPTION("Allwinner A1X pinctrl driver");
883 MODULE_LICENSE("GPL");