1 // SPDX-License-Identifier: GPL-2.0-only
17 #include <linux/regmap.h>
20 #include <linux/pinctrl/pinconf-generic.h>
26 #include "pinctrl-utils.h"
52 		.property = "maxim,active-fps-source",
55 		.property = "maxim,active-fps-power-up-slot",
58 		.property = "maxim,active-fps-power-down-slot",
61 		.property = "maxim,suspend-fps-source",
64 		.property = "maxim,suspend-fps-power-up-slot",
67 		.property = "maxim,suspend-fps-power-down-slot",
105 	struct pinctrl_dev *pctl;  member
106 	struct regmap *rmap;
150 	FUNCTION_GROUP("lpm-control-in", LOW_POWER_MODE_CONTROL_IN),
151 	FUNCTION_GROUP("fps-out", FLEXIBLE_POWER_SEQUENCER_OUT),
152 	FUNCTION_GROUP("32k-out1", 32K_OUT1),
153 	FUNCTION_GROUP("sd0-dvs-in", SD0_DYNAMIC_VOLTAGE_SCALING_IN),
154 	FUNCTION_GROUP("sd1-dvs-in", SD1_DYNAMIC_VOLTAGE_SCALING_IN),
155 	FUNCTION_GROUP("reference-out", REFERENCE_OUT),
181 	return mpci->num_pin_groups;  in max77620_pinctrl_get_groups_count()
189 	return mpci->pin_groups[group].name;  in max77620_pinctrl_get_group_name()
198 	*pins = mpci->pin_groups[group].pins;  in max77620_pinctrl_get_group_pins()
199 	*num_pins = mpci->pin_groups[group].npins;  in max77620_pinctrl_get_group_pins()
216 	return mpci->num_functions;  in max77620_pinctrl_get_funcs_count()
224 	return mpci->functions[function].name;  in max77620_pinctrl_get_func_name()
234 	*groups = mpci->functions[function].groups;  in max77620_pinctrl_get_func_groups()
235 	*num_groups = mpci->functions[function].ngroups;  in max77620_pinctrl_get_func_groups()
249 	} else if (function == mpci->pin_groups[group].alt_option) {  in max77620_pinctrl_enable()
252 		dev_err(mpci->dev, "GPIO %u doesn't have function %u\n",  in max77620_pinctrl_enable()
254 		return -EINVAL;  in max77620_pinctrl_enable()
256 	ret = regmap_update_bits(mpci->rmap, MAX77620_REG_AME_GPIO,  in max77620_pinctrl_enable()
259 		dev_err(mpci->dev, "REG AME GPIO update failed: %d\n", ret);  in max77620_pinctrl_enable()
275 	struct device *dev = mpci->dev;  in max77620_pinconf_get()
283 		if (mpci->pin_info[pin].drv_type == MAX77620_PIN_OD_DRV)  in max77620_pinconf_get()
288 		if (mpci->pin_info[pin].drv_type == MAX77620_PIN_PP_DRV)  in max77620_pinconf_get()
293 		ret = regmap_read(mpci->rmap, MAX77620_REG_PUE_GPIO, &val);  in max77620_pinconf_get()
303 		ret = regmap_read(mpci->rmap, MAX77620_REG_PDE_GPIO, &val);  in max77620_pinconf_get()
314 		return -ENOTSUPP;  in max77620_pinconf_get()
328 	ret = regmap_read(mpci->rmap, addr, &val);  in max77620_get_default_fps()
330 		dev_err(mpci->dev, "Reg PUE_GPIO read failed: %d\n", ret);  in max77620_get_default_fps()
341 	struct max77620_fps_config *fps_config = &mpci->fps_config[pin];  in max77620_set_fps_param()
349 	addr = MAX77620_REG_FPS_GPIO1 + pin - 1;  in max77620_set_fps_param()
355 		param_val = fps_config->active_fps_src;  in max77620_set_fps_param()
357 			param_val = fps_config->suspend_fps_src;  in max77620_set_fps_param()
364 		param_val = fps_config->active_power_up_slots;  in max77620_set_fps_param()
366 			param_val = fps_config->suspend_power_up_slots;  in max77620_set_fps_param()
373 		param_val = fps_config->active_power_down_slots;  in max77620_set_fps_param()
375 			param_val = fps_config->suspend_power_down_slots;  in max77620_set_fps_param()
379 		dev_err(mpci->dev, "Invalid parameter %d for pin %d\n",  in max77620_set_fps_param()
381 		return -EINVAL;  in max77620_set_fps_param()
387 	ret = regmap_update_bits(mpci->rmap, addr, mask, param_val << shift);  in max77620_set_fps_param()
389 		dev_err(mpci->dev, "Reg 0x%02x update failed %d\n", addr, ret);  in max77620_set_fps_param()
399 	struct device *dev = mpci->dev;  in max77620_pinconf_set()
416 			ret = regmap_update_bits(mpci->rmap,  in max77620_pinconf_set()
423 			mpci->pin_info[pin].drv_type = val ?  in max77620_pinconf_set()
429 			ret = regmap_update_bits(mpci->rmap,  in max77620_pinconf_set()
436 			mpci->pin_info[pin].drv_type = val ?  in max77620_pinconf_set()
444 				return -EINVAL;  in max77620_pinconf_set()
446 			fps_config = &mpci->fps_config[pin];  in max77620_pinconf_set()
450 				addr = MAX77620_REG_FPS_GPIO1 + pin - 1;  in max77620_pinconf_set()
453 						&fps_config->active_fps_src);  in max77620_pinconf_set()
460 				fps_config->active_fps_src = param_val;  in max77620_pinconf_set()
462 				fps_config->active_power_up_slots = param_val;  in max77620_pinconf_set()
464 				fps_config->active_power_down_slots = param_val;  in max77620_pinconf_set()
475 				return -EINVAL;  in max77620_pinconf_set()
477 			fps_config = &mpci->fps_config[pin];  in max77620_pinconf_set()
481 				addr = MAX77620_REG_FPS_GPIO1 + pin - 1;  in max77620_pinconf_set()
484 						&fps_config->suspend_fps_src);  in max77620_pinconf_set()
491 				fps_config->suspend_fps_src = param_val;  in max77620_pinconf_set()
493 				fps_config->suspend_power_up_slots = param_val;  in max77620_pinconf_set()
495 				fps_config->suspend_power_down_slots =  in max77620_pinconf_set()
506 			ret = regmap_update_bits(mpci->rmap,  in max77620_pinconf_set()
515 			ret = regmap_update_bits(mpci->rmap,  in max77620_pinconf_set()
527 			return -ENOTSUPP;  in max77620_pinconf_set()
552 	struct max77620_chip *max77620 = dev_get_drvdata(pdev->dev.parent);  in max77620_pinctrl_probe()
556 	device_set_node(&pdev->dev, dev_fwnode(pdev->dev.parent));  in max77620_pinctrl_probe()
558 	mpci = devm_kzalloc(&pdev->dev, sizeof(*mpci), GFP_KERNEL);  in max77620_pinctrl_probe()
560 		return -ENOMEM;  in max77620_pinctrl_probe()
562 	mpci->dev = &pdev->dev;  in max77620_pinctrl_probe()
563 	mpci->rmap = max77620->rmap;  in max77620_pinctrl_probe()
565 	mpci->pins = max77620_pins_desc;  in max77620_pinctrl_probe()
566 	mpci->num_pins = ARRAY_SIZE(max77620_pins_desc);  in max77620_pinctrl_probe()
567 	mpci->functions = max77620_pin_function;  in max77620_pinctrl_probe()
568 	mpci->num_functions = ARRAY_SIZE(max77620_pin_function);  in max77620_pinctrl_probe()
569 	mpci->pin_groups = max77620_pingroups;  in max77620_pinctrl_probe()
570 	mpci->num_pin_groups = ARRAY_SIZE(max77620_pingroups);  in max77620_pinctrl_probe()
573 	max77620_pinctrl_desc.name = dev_name(&pdev->dev);  in max77620_pinctrl_probe()
581 		mpci->fps_config[i].active_fps_src = -1;  in max77620_pinctrl_probe()
582 		mpci->fps_config[i].active_power_up_slots = -1;  in max77620_pinctrl_probe()
583 		mpci->fps_config[i].active_power_down_slots = -1;  in max77620_pinctrl_probe()
584 		mpci->fps_config[i].suspend_fps_src = -1;  in max77620_pinctrl_probe()
585 		mpci->fps_config[i].suspend_power_up_slots = -1;  in max77620_pinctrl_probe()
586 		mpci->fps_config[i].suspend_power_down_slots = -1;  in max77620_pinctrl_probe()
589 	mpci->pctl = devm_pinctrl_register(&pdev->dev, &max77620_pinctrl_desc,  in max77620_pinctrl_probe()
591 	if (IS_ERR(mpci->pctl)) {  in max77620_pinctrl_probe()
592 		dev_err(&pdev->dev, "Couldn't register pinctrl driver\n");  in max77620_pinctrl_probe()
593 		return PTR_ERR(mpci->pctl);  in max77620_pinctrl_probe()
651 	{ .name = "max77620-pinctrl", },
652 	{ .name = "max20024-pinctrl", },
659 		.name = "max77620-pinctrl",