Lines Matching +full:ssbi +full:- +full:gpio
1 // SPDX-License-Identifier: GPL-2.0-only
7 #include <linux/gpio/driver.h>
18 #include <linux/pinctrl/pinconf-generic.h>
23 #include <dt-bindings/pinctrl/qcom,pmic-mpp.h>
26 #include "../pinctrl-utils.h"
91 * struct pm8xxx_pin_data - dynamic configuration for a pin
136 {"qcom,amux-route", PM8XXX_CONFIG_AMUX, 0},
137 {"qcom,analog-level", PM8XXX_CONFIG_ALEVEL, 0},
176 switch (pin->mode) { in pm8xxx_mpp_update()
178 if (pin->dtest) { in pm8xxx_mpp_update()
180 ctrl = pin->dtest - 1; in pm8xxx_mpp_update()
181 } else if (pin->input && pin->output) { in pm8xxx_mpp_update()
183 if (pin->high_z) in pm8xxx_mpp_update()
185 else if (pin->pullup == 600) in pm8xxx_mpp_update()
187 else if (pin->pullup == 10000) in pm8xxx_mpp_update()
191 } else if (pin->input) { in pm8xxx_mpp_update()
193 if (pin->dtest) in pm8xxx_mpp_update()
194 ctrl = pin->dtest; in pm8xxx_mpp_update()
199 ctrl = !!pin->output_value; in pm8xxx_mpp_update()
200 if (pin->paired) in pm8xxx_mpp_update()
204 level = pin->power_source; in pm8xxx_mpp_update()
207 if (pin->output) { in pm8xxx_mpp_update()
209 level = pin->aout_level; in pm8xxx_mpp_update()
210 ctrl = pin->output_value; in pm8xxx_mpp_update()
211 if (pin->paired) in pm8xxx_mpp_update()
215 level = pin->amux; in pm8xxx_mpp_update()
220 level = (pin->drive_strength / 5) - 1; in pm8xxx_mpp_update()
221 if (pin->dtest) { in pm8xxx_mpp_update()
223 ctrl = pin->dtest - 1; in pm8xxx_mpp_update()
226 ctrl = pin->output_value; in pm8xxx_mpp_update()
227 if (pin->paired) in pm8xxx_mpp_update()
232 return -EINVAL; in pm8xxx_mpp_update()
236 ret = regmap_write(pctrl->regmap, pin->reg, val); in pm8xxx_mpp_update()
238 dev_err(pctrl->dev, "failed to write register\n"); in pm8xxx_mpp_update()
247 return pctrl->npins; in pm8xxx_get_groups_count()
264 *pins = &pctrl->desc.pins[group].number; in pm8xxx_get_group_pins()
297 *num_groups = pctrl->npins; in pm8xxx_get_function_groups()
306 struct pm8xxx_pin_data *pin = pctrl->desc.pins[group].drv_data; in pm8xxx_pinmux_set_mux()
308 pin->mode = function; in pm8xxx_pinmux_set_mux()
326 struct pm8xxx_pin_data *pin = pctrl->desc.pins[offset].drv_data; in pm8xxx_pin_config_get()
332 arg = pin->pullup; in pm8xxx_pin_config_get()
335 arg = pin->high_z; in pm8xxx_pin_config_get()
338 arg = pin->input; in pm8xxx_pin_config_get()
341 arg = pin->output_value; in pm8xxx_pin_config_get()
344 arg = pin->power_source; in pm8xxx_pin_config_get()
347 arg = pin->drive_strength; in pm8xxx_pin_config_get()
350 arg = pin->dtest; in pm8xxx_pin_config_get()
353 arg = pin->amux; in pm8xxx_pin_config_get()
356 arg = pin->aout_level; in pm8xxx_pin_config_get()
359 arg = pin->paired; in pm8xxx_pin_config_get()
362 return -EINVAL; in pm8xxx_pin_config_get()
376 struct pm8xxx_pin_data *pin = pctrl->desc.pins[offset].drv_data; in pm8xxx_pin_config_set()
387 pin->pullup = arg; in pm8xxx_pin_config_set()
390 pin->high_z = true; in pm8xxx_pin_config_set()
393 pin->input = true; in pm8xxx_pin_config_set()
396 pin->output = true; in pm8xxx_pin_config_set()
397 pin->output_value = !!arg; in pm8xxx_pin_config_set()
400 pin->power_source = arg; in pm8xxx_pin_config_set()
403 pin->drive_strength = arg; in pm8xxx_pin_config_set()
406 pin->dtest = arg; in pm8xxx_pin_config_set()
409 pin->amux = arg; in pm8xxx_pin_config_set()
412 pin->aout_level = arg; in pm8xxx_pin_config_set()
415 pin->paired = !!arg; in pm8xxx_pin_config_set()
418 dev_err(pctrl->dev, in pm8xxx_pin_config_set()
421 return -EINVAL; in pm8xxx_pin_config_set()
448 struct pm8xxx_pin_data *pin = pctrl->desc.pins[offset].drv_data; in pm8xxx_mpp_direction_input()
450 switch (pin->mode) { in pm8xxx_mpp_direction_input()
452 pin->input = true; in pm8xxx_mpp_direction_input()
455 pin->input = true; in pm8xxx_mpp_direction_input()
456 pin->output = true; in pm8xxx_mpp_direction_input()
459 return -EINVAL; in pm8xxx_mpp_direction_input()
472 struct pm8xxx_pin_data *pin = pctrl->desc.pins[offset].drv_data; in pm8xxx_mpp_direction_output()
474 switch (pin->mode) { in pm8xxx_mpp_direction_output()
476 pin->output = true; in pm8xxx_mpp_direction_output()
479 pin->input = false; in pm8xxx_mpp_direction_output()
480 pin->output = true; in pm8xxx_mpp_direction_output()
483 pin->input = false; in pm8xxx_mpp_direction_output()
484 pin->output = true; in pm8xxx_mpp_direction_output()
496 struct pm8xxx_pin_data *pin = pctrl->desc.pins[offset].drv_data; in pm8xxx_mpp_get()
500 if (!pin->input) in pm8xxx_mpp_get()
501 return !!pin->output_value; in pm8xxx_mpp_get()
503 irq = chip->to_irq(chip, offset); in pm8xxx_mpp_get()
517 struct pm8xxx_pin_data *pin = pctrl->desc.pins[offset].drv_data; in pm8xxx_mpp_set()
519 pin->output_value = !!value; in pm8xxx_mpp_set()
528 if (chip->of_gpio_n_cells < 2) in pm8xxx_mpp_of_xlate()
529 return -EINVAL; in pm8xxx_mpp_of_xlate()
532 *flags = gpio_desc->args[1]; in pm8xxx_mpp_of_xlate()
534 return gpio_desc->args[0] - PM8XXX_MPP_PHYSICAL_OFFSET; in pm8xxx_mpp_of_xlate()
544 unsigned gpio) in pm8xxx_mpp_dbg_show_one() argument
547 struct pm8xxx_pin_data *pin = pctrl->desc.pins[offset].drv_data; in pm8xxx_mpp_dbg_show_one()
559 seq_printf(s, " mpp%-2d:", offset + PM8XXX_MPP_PHYSICAL_OFFSET); in pm8xxx_mpp_dbg_show_one()
561 switch (pin->mode) { in pm8xxx_mpp_dbg_show_one()
564 if (pin->dtest) { in pm8xxx_mpp_dbg_show_one()
565 seq_printf(s, "dtest%d\n", pin->dtest); in pm8xxx_mpp_dbg_show_one()
566 } else if (pin->input && pin->output) { in pm8xxx_mpp_dbg_show_one()
567 if (pin->high_z) in pm8xxx_mpp_dbg_show_one()
568 seq_puts(s, "bi-dir high-z"); in pm8xxx_mpp_dbg_show_one()
570 seq_printf(s, "bi-dir %dOhm", pin->pullup); in pm8xxx_mpp_dbg_show_one()
571 } else if (pin->input) { in pm8xxx_mpp_dbg_show_one()
572 if (pin->dtest) in pm8xxx_mpp_dbg_show_one()
573 seq_printf(s, "in dtest%d", pin->dtest); in pm8xxx_mpp_dbg_show_one()
575 seq_puts(s, "in gpio"); in pm8xxx_mpp_dbg_show_one()
576 } else if (pin->output) { in pm8xxx_mpp_dbg_show_one()
579 if (!pin->paired) { in pm8xxx_mpp_dbg_show_one()
580 seq_puts(s, str_high_low(pin->output_value)); in pm8xxx_mpp_dbg_show_one()
582 seq_puts(s, pin->output_value ? in pm8xxx_mpp_dbg_show_one()
589 if (pin->output) { in pm8xxx_mpp_dbg_show_one()
590 seq_printf(s, "out %s ", aout_lvls[pin->aout_level]); in pm8xxx_mpp_dbg_show_one()
591 if (!pin->paired) { in pm8xxx_mpp_dbg_show_one()
592 seq_puts(s, str_high_low(pin->output_value)); in pm8xxx_mpp_dbg_show_one()
594 seq_puts(s, pin->output_value ? in pm8xxx_mpp_dbg_show_one()
598 seq_printf(s, "input mux %s", amuxs[pin->amux]); in pm8xxx_mpp_dbg_show_one()
602 seq_printf(s, " sink %dmA ", pin->drive_strength); in pm8xxx_mpp_dbg_show_one()
603 if (pin->dtest) { in pm8xxx_mpp_dbg_show_one()
604 seq_printf(s, "dtest%d", pin->dtest); in pm8xxx_mpp_dbg_show_one()
606 if (!pin->paired) { in pm8xxx_mpp_dbg_show_one()
607 seq_puts(s, str_high_low(pin->output_value)); in pm8xxx_mpp_dbg_show_one()
609 seq_puts(s, pin->output_value ? in pm8xxx_mpp_dbg_show_one()
619 unsigned gpio = chip->base; in pm8xxx_mpp_dbg_show() local
622 for (i = 0; i < chip->ngpio; i++, gpio++) { in pm8xxx_mpp_dbg_show()
623 pm8xxx_mpp_dbg_show_one(s, NULL, chip, i, gpio); in pm8xxx_mpp_dbg_show()
651 ret = regmap_read(pctrl->regmap, pin->reg, &val); in pm8xxx_pin_populate()
653 dev_err(pctrl->dev, "failed to read register\n"); in pm8xxx_pin_populate()
663 pin->mode = PM8XXX_MPP_DIGITAL; in pm8xxx_pin_populate()
664 pin->input = true; in pm8xxx_pin_populate()
665 pin->power_source = level; in pm8xxx_pin_populate()
666 pin->dtest = ctrl; in pm8xxx_pin_populate()
669 pin->mode = PM8XXX_MPP_DIGITAL; in pm8xxx_pin_populate()
670 pin->output = true; in pm8xxx_pin_populate()
671 pin->power_source = level; in pm8xxx_pin_populate()
672 pin->output_value = !!(ctrl & BIT(0)); in pm8xxx_pin_populate()
673 pin->paired = !!(ctrl & BIT(1)); in pm8xxx_pin_populate()
676 pin->mode = PM8XXX_MPP_DIGITAL; in pm8xxx_pin_populate()
677 pin->input = true; in pm8xxx_pin_populate()
678 pin->output = true; in pm8xxx_pin_populate()
679 pin->power_source = level; in pm8xxx_pin_populate()
682 pin->pullup = 600; in pm8xxx_pin_populate()
685 pin->high_z = true; in pm8xxx_pin_populate()
688 pin->pullup = 10000; in pm8xxx_pin_populate()
691 pin->pullup = 30000; in pm8xxx_pin_populate()
696 pin->mode = PM8XXX_MPP_ANALOG; in pm8xxx_pin_populate()
697 pin->input = true; in pm8xxx_pin_populate()
698 pin->amux = level; in pm8xxx_pin_populate()
701 pin->mode = PM8XXX_MPP_ANALOG; in pm8xxx_pin_populate()
702 pin->output = true; in pm8xxx_pin_populate()
703 pin->aout_level = level; in pm8xxx_pin_populate()
704 pin->output_value = !!(ctrl & BIT(0)); in pm8xxx_pin_populate()
705 pin->paired = !!(ctrl & BIT(1)); in pm8xxx_pin_populate()
708 pin->mode = PM8XXX_MPP_SINK; in pm8xxx_pin_populate()
709 pin->drive_strength = 5 * (level + 1); in pm8xxx_pin_populate()
710 pin->output_value = !!(ctrl & BIT(0)); in pm8xxx_pin_populate()
711 pin->paired = !!(ctrl & BIT(1)); in pm8xxx_pin_populate()
714 pin->mode = PM8XXX_MPP_SINK; in pm8xxx_pin_populate()
715 pin->dtest = ctrl + 1; in pm8xxx_pin_populate()
716 pin->drive_strength = 5 * (level + 1); in pm8xxx_pin_populate()
719 pin->mode = PM8XXX_MPP_DIGITAL; in pm8xxx_pin_populate()
720 pin->power_source = level; in pm8xxx_pin_populate()
722 pin->dtest = ctrl; in pm8xxx_pin_populate()
734 struct pm8xxx_mpp *pctrl = container_of(domain->host_data, in pm8xxx_mpp_domain_translate()
737 if (fwspec->param_count != 2 || in pm8xxx_mpp_domain_translate()
738 fwspec->param[0] < PM8XXX_MPP_PHYSICAL_OFFSET || in pm8xxx_mpp_domain_translate()
739 fwspec->param[0] > pctrl->chip.ngpio) in pm8xxx_mpp_domain_translate()
740 return -EINVAL; in pm8xxx_mpp_domain_translate()
742 *hwirq = fwspec->param[0] - PM8XXX_MPP_PHYSICAL_OFFSET; in pm8xxx_mpp_domain_translate()
743 *type = fwspec->param[1]; in pm8xxx_mpp_domain_translate()
793 .name = "ssbi-mpp",
805 { .compatible = "qcom,pm8018-mpp", .data = (void *) 6 },
806 { .compatible = "qcom,pm8038-mpp", .data = (void *) 6 },
807 { .compatible = "qcom,pm8058-mpp", .data = (void *) 12 },
808 { .compatible = "qcom,pm8821-mpp", .data = (void *) 4 },
809 { .compatible = "qcom,pm8917-mpp", .data = (void *) 10 },
810 { .compatible = "qcom,pm8921-mpp", .data = (void *) 12 },
826 pctrl = devm_kzalloc(&pdev->dev, sizeof(*pctrl), GFP_KERNEL); in pm8xxx_mpp_probe()
828 return -ENOMEM; in pm8xxx_mpp_probe()
830 pctrl->dev = &pdev->dev; in pm8xxx_mpp_probe()
831 pctrl->npins = (uintptr_t) device_get_match_data(&pdev->dev); in pm8xxx_mpp_probe()
833 pctrl->regmap = dev_get_regmap(pdev->dev.parent, NULL); in pm8xxx_mpp_probe()
834 if (!pctrl->regmap) { in pm8xxx_mpp_probe()
835 dev_err(&pdev->dev, "parent regmap unavailable\n"); in pm8xxx_mpp_probe()
836 return -ENXIO; in pm8xxx_mpp_probe()
839 pctrl->desc = pm8xxx_pinctrl_desc; in pm8xxx_mpp_probe()
840 pctrl->desc.npins = pctrl->npins; in pm8xxx_mpp_probe()
842 pins = devm_kcalloc(&pdev->dev, in pm8xxx_mpp_probe()
843 pctrl->desc.npins, in pm8xxx_mpp_probe()
847 return -ENOMEM; in pm8xxx_mpp_probe()
849 pin_data = devm_kcalloc(&pdev->dev, in pm8xxx_mpp_probe()
850 pctrl->desc.npins, in pm8xxx_mpp_probe()
854 return -ENOMEM; in pm8xxx_mpp_probe()
856 for (i = 0; i < pctrl->desc.npins; i++) { in pm8xxx_mpp_probe()
867 pctrl->desc.pins = pins; in pm8xxx_mpp_probe()
869 pctrl->desc.num_custom_params = ARRAY_SIZE(pm8xxx_mpp_bindings); in pm8xxx_mpp_probe()
870 pctrl->desc.custom_params = pm8xxx_mpp_bindings; in pm8xxx_mpp_probe()
872 pctrl->desc.custom_conf_items = pm8xxx_conf_items; in pm8xxx_mpp_probe()
875 pctrl->pctrl = devm_pinctrl_register(&pdev->dev, &pctrl->desc, pctrl); in pm8xxx_mpp_probe()
876 if (IS_ERR(pctrl->pctrl)) { in pm8xxx_mpp_probe()
877 dev_err(&pdev->dev, "couldn't register pm8xxx mpp driver\n"); in pm8xxx_mpp_probe()
878 return PTR_ERR(pctrl->pctrl); in pm8xxx_mpp_probe()
881 pctrl->chip = pm8xxx_mpp_template; in pm8xxx_mpp_probe()
882 pctrl->chip.base = -1; in pm8xxx_mpp_probe()
883 pctrl->chip.parent = &pdev->dev; in pm8xxx_mpp_probe()
884 pctrl->chip.of_gpio_n_cells = 2; in pm8xxx_mpp_probe()
885 pctrl->chip.label = dev_name(pctrl->dev); in pm8xxx_mpp_probe()
886 pctrl->chip.ngpio = pctrl->npins; in pm8xxx_mpp_probe()
888 parent_node = of_irq_find_parent(pctrl->dev->of_node); in pm8xxx_mpp_probe()
890 return -ENXIO; in pm8xxx_mpp_probe()
895 return -ENXIO; in pm8xxx_mpp_probe()
897 girq = &pctrl->chip.irq; in pm8xxx_mpp_probe()
899 girq->default_type = IRQ_TYPE_NONE; in pm8xxx_mpp_probe()
900 girq->handler = handle_level_irq; in pm8xxx_mpp_probe()
901 girq->fwnode = dev_fwnode(pctrl->dev); in pm8xxx_mpp_probe()
902 girq->parent_domain = parent_domain; in pm8xxx_mpp_probe()
903 if (of_device_is_compatible(pdev->dev.of_node, "qcom,pm8821-mpp")) in pm8xxx_mpp_probe()
904 girq->child_to_parent_hwirq = pm8821_mpp_child_to_parent_hwirq; in pm8xxx_mpp_probe()
906 girq->child_to_parent_hwirq = pm8xxx_mpp_child_to_parent_hwirq; in pm8xxx_mpp_probe()
907 girq->populate_parent_alloc_arg = gpiochip_populate_parent_fwspec_twocell; in pm8xxx_mpp_probe()
908 girq->child_offset_to_irq = pm8xxx_mpp_child_offset_to_irq; in pm8xxx_mpp_probe()
909 girq->child_irq_domain_ops.translate = pm8xxx_mpp_domain_translate; in pm8xxx_mpp_probe()
911 ret = gpiochip_add_data(&pctrl->chip, pctrl); in pm8xxx_mpp_probe()
913 dev_err(&pdev->dev, "failed register gpiochip\n"); in pm8xxx_mpp_probe()
917 ret = gpiochip_add_pin_range(&pctrl->chip, in pm8xxx_mpp_probe()
918 dev_name(pctrl->dev), in pm8xxx_mpp_probe()
919 0, 0, pctrl->chip.ngpio); in pm8xxx_mpp_probe()
921 dev_err(pctrl->dev, "failed to add pin range\n"); in pm8xxx_mpp_probe()
927 dev_dbg(&pdev->dev, "Qualcomm pm8xxx mpp driver probed\n"); in pm8xxx_mpp_probe()
932 gpiochip_remove(&pctrl->chip); in pm8xxx_mpp_probe()
941 gpiochip_remove(&pctrl->chip); in pm8xxx_mpp_remove()
946 .name = "qcom-ssbi-mpp",