Lines Matching +full:debounce +full:- +full:exit
1 // SPDX-License-Identifier: GPL-2.0-only
15 #include <linux/pinctrl/pinconf-generic.h>
26 #include <dt-bindings/pinctrl/mt65xx.h>
30 #include "../pinctrl-utils.h"
31 #include "mtk-eint.h"
32 #include "pinctrl-mtk-common.h"
53 if (pin >= pctl->devdata->type1_start && pin < pctl->devdata->type1_end) in mtk_get_regmap()
54 return pctl->regmap2; in mtk_get_regmap()
55 return pctl->regmap1; in mtk_get_regmap()
61 return ((pin >> pctl->devdata->mode_shf) & pctl->devdata->port_mask) in mtk_get_port()
62 << pctl->devdata->port_shf; in mtk_get_port()
73 reg_addr = mtk_get_port(pctl, offset) + pctl->devdata->dir_offset; in mtk_pmx_gpio_set_direction()
74 bit = BIT(offset & pctl->devdata->mode_mask); in mtk_pmx_gpio_set_direction()
76 if (pctl->devdata->spec_dir_set) in mtk_pmx_gpio_set_direction()
77 pctl->devdata->spec_dir_set(®_addr, offset); in mtk_pmx_gpio_set_direction()
95 reg_addr = mtk_get_port(pctl, offset) + pctl->devdata->dout_offset; in mtk_gpio_set()
96 bit = BIT(offset & pctl->devdata->mode_mask); in mtk_gpio_set()
116 if (!pctl->devdata->spec_ies_smt_set && in mtk_pconf_set_ies_smt()
117 pctl->devdata->ies_offset == MTK_PINCTRL_NOT_SUPPORT && in mtk_pconf_set_ies_smt()
119 return -EINVAL; in mtk_pconf_set_ies_smt()
121 if (!pctl->devdata->spec_ies_smt_set && in mtk_pconf_set_ies_smt()
122 pctl->devdata->smt_offset == MTK_PINCTRL_NOT_SUPPORT && in mtk_pconf_set_ies_smt()
124 return -EINVAL; in mtk_pconf_set_ies_smt()
130 if (pctl->devdata->spec_ies_smt_set) { in mtk_pconf_set_ies_smt()
131 return pctl->devdata->spec_ies_smt_set(mtk_get_regmap(pctl, pin), in mtk_pconf_set_ies_smt()
132 pctl->devdata, pin, value, arg); in mtk_pconf_set_ies_smt()
136 offset = pctl->devdata->ies_offset; in mtk_pconf_set_ies_smt()
138 offset = pctl->devdata->smt_offset; in mtk_pconf_set_ies_smt()
140 bit = BIT(offset & pctl->devdata->mode_mask); in mtk_pconf_set_ies_smt()
160 ies_smt_infos = devdata->spec_ies; in mtk_pconf_spec_set_ies_smt_range()
161 info_num = devdata->n_spec_ies; in mtk_pconf_spec_set_ies_smt_range()
164 ies_smt_infos = devdata->spec_smt; in mtk_pconf_spec_set_ies_smt_range()
165 info_num = devdata->n_spec_smt; in mtk_pconf_spec_set_ies_smt_range()
172 return -EINVAL; in mtk_pconf_spec_set_ies_smt_range()
182 return -EINVAL; in mtk_pconf_spec_set_ies_smt_range()
185 reg_addr = ies_smt_infos[i].offset + devdata->port_align; in mtk_pconf_spec_set_ies_smt_range()
187 reg_addr = ies_smt_infos[i].offset + (devdata->port_align << 1); in mtk_pconf_spec_set_ies_smt_range()
198 for (i = 0; i < pctl->devdata->n_pin_drv_grps; i++) { in mtk_find_pin_drv_grp_by_pin()
200 pctl->devdata->pin_drv_grp + i; in mtk_find_pin_drv_grp_by_pin()
201 if (pin == pin_drv->pin) in mtk_find_pin_drv_grp_by_pin()
216 if (pin >= pctl->devdata->npins) in mtk_pconf_set_driving()
217 return -EINVAL; in mtk_pconf_set_driving()
220 if (!pin_drv || pin_drv->grp > pctl->devdata->n_grp_cls) in mtk_pconf_set_driving()
221 return -EINVAL; in mtk_pconf_set_driving()
223 drv_grp = pctl->devdata->grp_desc + pin_drv->grp; in mtk_pconf_set_driving()
224 if (driving >= drv_grp->min_drv && driving <= drv_grp->max_drv in mtk_pconf_set_driving()
225 && !(driving % drv_grp->step)) { in mtk_pconf_set_driving()
226 val = driving / drv_grp->step - 1; in mtk_pconf_set_driving()
227 bits = drv_grp->high_bit - drv_grp->low_bit + 1; in mtk_pconf_set_driving()
228 mask = BIT(bits) - 1; in mtk_pconf_set_driving()
229 shift = pin_drv->bit + drv_grp->low_bit; in mtk_pconf_set_driving()
233 pin_drv->offset, mask, val); in mtk_pconf_set_driving()
236 return -EINVAL; in mtk_pconf_set_driving()
249 if (!devdata->spec_pupd) in mtk_pctrl_spec_pull_set_samereg()
250 return -EINVAL; in mtk_pctrl_spec_pull_set_samereg()
252 for (i = 0; i < devdata->n_spec_pupd; i++) { in mtk_pctrl_spec_pull_set_samereg()
253 if (pin == devdata->spec_pupd[i].pin) { in mtk_pctrl_spec_pull_set_samereg()
260 return -EINVAL; in mtk_pctrl_spec_pull_set_samereg()
262 spec_pupd_pin = devdata->spec_pupd + i; in mtk_pctrl_spec_pull_set_samereg()
263 reg_set = spec_pupd_pin->offset + devdata->port_align; in mtk_pctrl_spec_pull_set_samereg()
264 reg_rst = spec_pupd_pin->offset + (devdata->port_align << 1); in mtk_pctrl_spec_pull_set_samereg()
271 bit_pupd = BIT(spec_pupd_pin->pupd_bit); in mtk_pctrl_spec_pull_set_samereg()
274 bit_r0 = BIT(spec_pupd_pin->r0_bit); in mtk_pctrl_spec_pull_set_samereg()
275 bit_r1 = BIT(spec_pupd_pin->r1_bit); in mtk_pctrl_spec_pull_set_samereg()
295 return -EINVAL; in mtk_pctrl_spec_pull_set_samereg()
312 if (pctl->devdata->spec_pull_set) { in mtk_pconf_set_pull_select()
313 /* For special pins, bias-disable is set by R1R0, in mtk_pconf_set_pull_select()
317 ret = pctl->devdata->spec_pull_set(mtk_get_regmap(pctl, pin), in mtk_pconf_set_pull_select()
318 pctl->devdata, pin, isup, in mtk_pconf_set_pull_select()
326 dev_err(pctl->dev, "invalid pull-up argument %d on pin %d .\n", in mtk_pconf_set_pull_select()
328 return -EINVAL; in mtk_pconf_set_pull_select()
331 if (pctl->devdata->mt8365_set_clr_mode) { in mtk_pconf_set_pull_select()
332 bit = pin & pctl->devdata->mode_mask; in mtk_pconf_set_pull_select()
334 pctl->devdata->pullen_offset; in mtk_pconf_set_pull_select()
336 pctl->devdata->pullsel_offset; in mtk_pconf_set_pull_select()
337 ret = pctl->devdata->mt8365_set_clr_mode(mtk_get_regmap(pctl, pin), in mtk_pconf_set_pull_select()
341 return -EINVAL; in mtk_pconf_set_pull_select()
346 bit = BIT(pin & pctl->devdata->mode_mask); in mtk_pconf_set_pull_select()
349 pctl->devdata->pullen_offset, pctl); in mtk_pconf_set_pull_select()
352 pctl->devdata->pullen_offset, pctl); in mtk_pconf_set_pull_select()
356 pctl->devdata->pullsel_offset, pctl); in mtk_pconf_set_pull_select()
359 pctl->devdata->pullsel_offset, pctl); in mtk_pconf_set_pull_select()
388 mtk_gpio_set(pctl->chip, pin, arg); in mtk_pconf_parse_conf()
399 ret = -EINVAL; in mtk_pconf_parse_conf()
411 *config = pctl->groups[group].config; in mtk_pconf_group_get()
420 struct mtk_pinctrl_group *g = &pctl->groups[group]; in mtk_pconf_group_set()
424 ret = mtk_pconf_parse_conf(pctldev, g->pin, in mtk_pconf_group_set()
430 g->config = configs[i]; in mtk_pconf_group_set()
446 for (i = 0; i < pctl->ngroups; i++) { in mtk_pctrl_find_group_by_pin()
447 struct mtk_pinctrl_group *grp = pctl->groups + i; in mtk_pctrl_find_group_by_pin()
449 if (grp->pin == pin) in mtk_pctrl_find_group_by_pin()
459 const struct mtk_desc_pin *pin = pctl->devdata->pins + pin_num; in mtk_pctrl_find_function_by_pin()
460 const struct mtk_desc_function *func = pin->functions; in mtk_pctrl_find_function_by_pin()
462 while (func && func->name) { in mtk_pctrl_find_function_by_pin()
463 if (func->muxval == fnum) in mtk_pctrl_find_function_by_pin()
476 for (i = 0; i < pctl->devdata->npins; i++) { in mtk_pctrl_is_function_valid()
477 const struct mtk_desc_pin *pin = pctl->devdata->pins + i; in mtk_pctrl_is_function_valid()
479 if (pin->pin.number == pin_num) { in mtk_pctrl_is_function_valid()
481 pin->functions; in mtk_pctrl_is_function_valid()
483 while (func && func->name) { in mtk_pctrl_is_function_valid()
484 if (func->muxval == fnum) in mtk_pctrl_is_function_valid()
504 return -ENOSPC; in mtk_pctrl_dt_node_to_map_func()
507 (*map)[*num_maps].data.mux.group = grp->name; in mtk_pctrl_dt_node_to_map_func()
511 dev_err(pctl->dev, "invalid function %d on pin %d .\n", in mtk_pctrl_dt_node_to_map_func()
513 return -EINVAL; in mtk_pctrl_dt_node_to_map_func()
541 dev_err(pctl->dev, "missing pins property in node %pOFn .\n", in mtk_pctrl_dt_subnode_to_map()
543 return -EINVAL; in mtk_pctrl_dt_subnode_to_map()
554 num_pins = pins->length / sizeof(u32); in mtk_pctrl_dt_subnode_to_map()
563 err = -EINVAL; in mtk_pctrl_dt_subnode_to_map()
564 goto exit; in mtk_pctrl_dt_subnode_to_map()
572 goto exit; in mtk_pctrl_dt_subnode_to_map()
578 goto exit; in mtk_pctrl_dt_subnode_to_map()
583 if (pin >= pctl->devdata->npins || in mtk_pctrl_dt_subnode_to_map()
585 dev_err(pctl->dev, "invalid pins value.\n"); in mtk_pctrl_dt_subnode_to_map()
586 err = -EINVAL; in mtk_pctrl_dt_subnode_to_map()
587 goto exit; in mtk_pctrl_dt_subnode_to_map()
592 dev_err(pctl->dev, "unable to match pin %d to group\n", in mtk_pctrl_dt_subnode_to_map()
594 err = -EINVAL; in mtk_pctrl_dt_subnode_to_map()
595 goto exit; in mtk_pctrl_dt_subnode_to_map()
601 goto exit; in mtk_pctrl_dt_subnode_to_map()
605 reserved_maps, num_maps, grp->name, in mtk_pctrl_dt_subnode_to_map()
609 goto exit; in mtk_pctrl_dt_subnode_to_map()
615 exit: in mtk_pctrl_dt_subnode_to_map()
647 return pctl->ngroups; in mtk_pctrl_get_groups_count()
655 return pctl->groups[group].name; in mtk_pctrl_get_group_name()
665 *pins = (unsigned *)&pctl->groups[group].pin; in mtk_pctrl_get_group_pins()
697 *groups = pctl->grp_names; in mtk_pmx_get_func_groups()
698 *num_groups = pctl->ngroups; in mtk_pmx_get_func_groups()
709 unsigned int mask = (1L << GPIO_MODE_BITS) - 1; in mtk_pmx_set_mode()
712 if (pctl->devdata->spec_pinmux_set) in mtk_pmx_set_mode()
713 pctl->devdata->spec_pinmux_set(mtk_get_regmap(pctl, pin), in mtk_pmx_set_mode()
716 reg_addr = ((pin / pctl->devdata->mode_per_reg) << pctl->devdata->port_shf) in mtk_pmx_set_mode()
717 + pctl->devdata->pinmux_offset; in mtk_pmx_set_mode()
720 bit = pin % pctl->devdata->mode_per_reg; in mtk_pmx_set_mode()
733 for (i = 0; i < pctl->devdata->npins; i++) { in mtk_find_pin_by_eint_num()
734 pin = pctl->devdata->pins + i; in mtk_find_pin_by_eint_num()
735 if (pin->eint.eintnum == eint_num) in mtk_find_pin_by_eint_num()
749 struct mtk_pinctrl_group *g = pctl->groups + group; in mtk_pmx_set_mux()
751 ret = mtk_pctrl_is_function_valid(pctl, g->pin, function); in mtk_pmx_set_mux()
753 dev_err(pctl->dev, "invalid function %d on group %d .\n", in mtk_pmx_set_mux()
755 return -EINVAL; in mtk_pmx_set_mux()
758 desc = mtk_pctrl_find_function_by_pin(pctl, g->pin, function); in mtk_pmx_set_mux()
760 return -EINVAL; in mtk_pmx_set_mux()
761 mtk_pmx_set_mode(pctldev, g->pin, desc->muxval); in mtk_pmx_set_mux()
768 const struct mtk_desc_pin *pin = pctl->devdata->pins + offset; in mtk_pmx_find_gpio_mode()
769 const struct mtk_desc_function *func = pin->functions; in mtk_pmx_find_gpio_mode()
771 while (func && func->name) { in mtk_pmx_find_gpio_mode()
772 if (!strncmp(func->name, GPIO_MODE_PREFIX, in mtk_pmx_find_gpio_mode()
773 sizeof(GPIO_MODE_PREFIX)-1)) in mtk_pmx_find_gpio_mode()
774 return func->muxval; in mtk_pmx_find_gpio_mode()
777 return -EINVAL; in mtk_pmx_find_gpio_mode()
790 dev_err(pctl->dev, "invalid gpio pin %d.\n", offset); in mtk_pmx_gpio_request_enable()
791 return -EINVAL; in mtk_pmx_gpio_request_enable()
824 reg_addr = mtk_get_port(pctl, offset) + pctl->devdata->dir_offset; in mtk_gpio_get_direction()
825 bit = BIT(offset & pctl->devdata->mode_mask); in mtk_gpio_get_direction()
827 if (pctl->devdata->spec_dir_set) in mtk_gpio_get_direction()
828 pctl->devdata->spec_dir_set(®_addr, offset); in mtk_gpio_get_direction()
830 regmap_read(pctl->regmap1, reg_addr, &read_val); in mtk_gpio_get_direction()
845 pctl->devdata->din_offset; in mtk_gpio_get()
847 bit = BIT(offset & pctl->devdata->mode_mask); in mtk_gpio_get()
848 regmap_read(pctl->regmap1, reg_addr, &read_val); in mtk_gpio_get()
858 pin = pctl->devdata->pins + offset; in mtk_gpio_to_irq()
859 if (pin->eint.eintnum == NO_EINT_SUPPORT) in mtk_gpio_to_irq()
860 return -EINVAL; in mtk_gpio_to_irq()
862 eint_n = pin->eint.eintnum; in mtk_gpio_to_irq()
864 return mtk_eint_find_irq(pctl->eint, eint_n); in mtk_gpio_to_irq()
873 u32 debounce; in mtk_gpio_set_config() local
876 return -ENOTSUPP; in mtk_gpio_set_config()
878 pin = pctl->devdata->pins + offset; in mtk_gpio_set_config()
879 if (pin->eint.eintnum == NO_EINT_SUPPORT) in mtk_gpio_set_config()
880 return -EINVAL; in mtk_gpio_set_config()
882 debounce = pinconf_to_config_argument(config); in mtk_gpio_set_config()
883 eint_n = pin->eint.eintnum; in mtk_gpio_set_config()
885 return mtk_eint_set_debounce(pctl->eint, eint_n, debounce); in mtk_gpio_set_config()
905 return mtk_eint_do_suspend(pctl->eint); in mtk_eint_suspend()
912 return mtk_eint_do_resume(pctl->eint); in mtk_eint_resume()
924 pctl->ngroups = pctl->devdata->npins; in mtk_pctrl_build_state()
927 pctl->groups = devm_kcalloc(&pdev->dev, pctl->ngroups, in mtk_pctrl_build_state()
928 sizeof(*pctl->groups), GFP_KERNEL); in mtk_pctrl_build_state()
929 if (!pctl->groups) in mtk_pctrl_build_state()
930 return -ENOMEM; in mtk_pctrl_build_state()
933 pctl->grp_names = devm_kcalloc(&pdev->dev, pctl->ngroups, in mtk_pctrl_build_state()
934 sizeof(*pctl->grp_names), GFP_KERNEL); in mtk_pctrl_build_state()
935 if (!pctl->grp_names) in mtk_pctrl_build_state()
936 return -ENOMEM; in mtk_pctrl_build_state()
938 for (i = 0; i < pctl->devdata->npins; i++) { in mtk_pctrl_build_state()
939 const struct mtk_desc_pin *pin = pctl->devdata->pins + i; in mtk_pctrl_build_state()
940 struct mtk_pinctrl_group *group = pctl->groups + i; in mtk_pctrl_build_state()
942 group->name = pin->pin.name; in mtk_pctrl_build_state()
943 group->pin = pin->pin.number; in mtk_pctrl_build_state()
945 pctl->grp_names[i] = pin->pin.name; in mtk_pctrl_build_state()
960 return -EINVAL; in mtk_xt_get_gpio_n()
962 *gpio_chip = pctl->chip; in mtk_xt_get_gpio_n()
963 *gpio_n = pin->pin.number; in mtk_xt_get_gpio_n()
975 return -EINVAL; in mtk_xt_get_gpio_state()
977 return mtk_gpio_get(pctl->chip, pin->pin.number); in mtk_xt_get_gpio_state()
987 return -EINVAL; in mtk_xt_set_gpio_as_eint()
990 mtk_pmx_set_mode(pctl->pctl_dev, pin->pin.number, pin->eint.eintmux); in mtk_xt_set_gpio_as_eint()
992 mtk_pmx_gpio_set_direction(pctl->pctl_dev, NULL, pin->pin.number, in mtk_xt_set_gpio_as_eint()
994 /* set input-enable */ in mtk_xt_set_gpio_as_eint()
995 mtk_pconf_set_ies_smt(pctl, pin->pin.number, 1, in mtk_xt_set_gpio_as_eint()
1009 struct device_node *np = pdev->dev.of_node; in mtk_eint_init()
1011 if (!of_property_read_bool(np, "interrupt-controller")) in mtk_eint_init()
1012 return -ENODEV; in mtk_eint_init()
1014 pctl->eint = devm_kzalloc(pctl->dev, sizeof(*pctl->eint), GFP_KERNEL); in mtk_eint_init()
1015 if (!pctl->eint) in mtk_eint_init()
1016 return -ENOMEM; in mtk_eint_init()
1018 pctl->eint->base = devm_platform_ioremap_resource(pdev, 0); in mtk_eint_init()
1019 if (IS_ERR(pctl->eint->base)) in mtk_eint_init()
1020 return PTR_ERR(pctl->eint->base); in mtk_eint_init()
1022 pctl->eint->irq = irq_of_parse_and_map(np, 0); in mtk_eint_init()
1023 if (!pctl->eint->irq) in mtk_eint_init()
1024 return -EINVAL; in mtk_eint_init()
1026 pctl->eint->dev = &pdev->dev; in mtk_eint_init()
1028 * If pctl->eint->regs == NULL, it would fall back into using a generic in mtk_eint_init()
1031 pctl->eint->regs = pctl->devdata->eint_regs; in mtk_eint_init()
1032 pctl->eint->hw = &pctl->devdata->eint_hw; in mtk_eint_init()
1033 pctl->eint->pctl = pctl; in mtk_eint_init()
1034 pctl->eint->gpio_xlate = &mtk_eint_xt; in mtk_eint_init()
1036 return mtk_eint_do_init(pctl->eint); in mtk_eint_init()
1044 struct device *dev = &pdev->dev; in mtk_pctrl_init()
1047 struct device_node *np = pdev->dev.of_node, *node; in mtk_pctrl_init()
1050 pctl = devm_kzalloc(&pdev->dev, sizeof(*pctl), GFP_KERNEL); in mtk_pctrl_init()
1052 return -ENOMEM; in mtk_pctrl_init()
1056 node = of_parse_phandle(np, "mediatek,pctl-regmap", 0); in mtk_pctrl_init()
1058 pctl->regmap1 = syscon_node_to_regmap(node); in mtk_pctrl_init()
1060 if (IS_ERR(pctl->regmap1)) in mtk_pctrl_init()
1061 return PTR_ERR(pctl->regmap1); in mtk_pctrl_init()
1063 pctl->regmap1 = regmap; in mtk_pctrl_init()
1065 return dev_err_probe(dev, -EINVAL, "Cannot find pinctrl regmap.\n"); in mtk_pctrl_init()
1069 node = of_parse_phandle(np, "mediatek,pctl-regmap", 1); in mtk_pctrl_init()
1071 pctl->regmap2 = syscon_node_to_regmap(node); in mtk_pctrl_init()
1073 if (IS_ERR(pctl->regmap2)) in mtk_pctrl_init()
1074 return PTR_ERR(pctl->regmap2); in mtk_pctrl_init()
1077 pctl->devdata = data; in mtk_pctrl_init()
1082 pins = devm_kcalloc(&pdev->dev, pctl->devdata->npins, sizeof(*pins), in mtk_pctrl_init()
1085 return -ENOMEM; in mtk_pctrl_init()
1087 for (i = 0; i < pctl->devdata->npins; i++) in mtk_pctrl_init()
1088 pins[i] = pctl->devdata->pins[i].pin; in mtk_pctrl_init()
1090 pctl->pctl_desc.name = dev_name(&pdev->dev); in mtk_pctrl_init()
1091 pctl->pctl_desc.owner = THIS_MODULE; in mtk_pctrl_init()
1092 pctl->pctl_desc.pins = pins; in mtk_pctrl_init()
1093 pctl->pctl_desc.npins = pctl->devdata->npins; in mtk_pctrl_init()
1094 pctl->pctl_desc.confops = &mtk_pconf_ops; in mtk_pctrl_init()
1095 pctl->pctl_desc.pctlops = &mtk_pctrl_ops; in mtk_pctrl_init()
1096 pctl->pctl_desc.pmxops = &mtk_pmx_ops; in mtk_pctrl_init()
1097 pctl->dev = &pdev->dev; in mtk_pctrl_init()
1099 pctl->pctl_dev = devm_pinctrl_register(&pdev->dev, &pctl->pctl_desc, in mtk_pctrl_init()
1101 if (IS_ERR(pctl->pctl_dev)) in mtk_pctrl_init()
1102 return dev_err_probe(dev, PTR_ERR(pctl->pctl_dev), in mtk_pctrl_init()
1105 pctl->chip = devm_kzalloc(&pdev->dev, sizeof(*pctl->chip), GFP_KERNEL); in mtk_pctrl_init()
1106 if (!pctl->chip) in mtk_pctrl_init()
1107 return -ENOMEM; in mtk_pctrl_init()
1109 *pctl->chip = mtk_gpio_chip; in mtk_pctrl_init()
1110 pctl->chip->ngpio = pctl->devdata->npins; in mtk_pctrl_init()
1111 pctl->chip->label = dev_name(&pdev->dev); in mtk_pctrl_init()
1112 pctl->chip->parent = &pdev->dev; in mtk_pctrl_init()
1113 pctl->chip->base = -1; in mtk_pctrl_init()
1115 ret = gpiochip_add_data(pctl->chip, pctl); in mtk_pctrl_init()
1117 return -EINVAL; in mtk_pctrl_init()
1120 ret = gpiochip_add_pin_range(pctl->chip, dev_name(&pdev->dev), in mtk_pctrl_init()
1121 0, 0, pctl->devdata->npins); in mtk_pctrl_init()
1123 ret = -EINVAL; in mtk_pctrl_init()
1134 gpiochip_remove(pctl->chip); in mtk_pctrl_init()
1140 struct device *dev = &pdev->dev; in mtk_pctrl_common_probe()
1144 return -ENODEV; in mtk_pctrl_common_probe()