25 struct gpio_charger {  struct
51 static inline struct gpio_charger *psy_to_gpio_charger(struct power_supply *psy)  in psy_to_gpio_charger()  argument
56 static int set_charge_current_limit(struct gpio_charger *gpio_charger, int val)  in set_charge_current_limit()  argument
59 	int ndescs = gpio_charger->current_limit_gpios->ndescs;  in set_charge_current_limit()
60 	struct gpio_desc **gpios = gpio_charger->current_limit_gpios->desc;  in set_charge_current_limit()
63 	if (!gpio_charger->current_limit_map_size)  in set_charge_current_limit()
66 	for (i = 0; i < gpio_charger->current_limit_map_size; i++) {  in set_charge_current_limit()
67 		if (gpio_charger->current_limit_map[i].limit_ua <= val)  in set_charge_current_limit()
70 	mapping = gpio_charger->current_limit_map[i];  in set_charge_current_limit()
77 	gpio_charger->charge_current_limit = mapping.limit_ua;  in set_charge_current_limit()
79 	dev_dbg(gpio_charger->dev, "set charge current limit to %d (requested: %d)\n",  in set_charge_current_limit()
80 		gpio_charger->charge_current_limit, val);  in set_charge_current_limit()
88 	struct gpio_charger *gpio_charger = psy_to_gpio_charger(psy);  in gpio_charger_get_property()  local
92 		val->intval = gpiod_get_value_cansleep(gpio_charger->gpiod);  in gpio_charger_get_property()
95 		if (gpiod_get_value_cansleep(gpio_charger->charge_status))  in gpio_charger_get_property()
101 		val->intval = gpio_charger->charge_current_limit;  in gpio_charger_get_property()
113 	struct gpio_charger *gpio_charger = psy_to_gpio_charger(psy);  in gpio_charger_set_property()  local
117 		return set_charge_current_limit(gpio_charger, val->intval);  in gpio_charger_set_property()
186 				    struct gpio_charger *gpio_charger)  in init_charge_current_limit()  argument
191 	gpio_charger->current_limit_gpios = devm_gpiod_get_array_optional(dev,  in init_charge_current_limit()
193 	if (IS_ERR(gpio_charger->current_limit_gpios)) {  in init_charge_current_limit()
195 		return PTR_ERR(gpio_charger->current_limit_gpios);  in init_charge_current_limit()
198 	if (!gpio_charger->current_limit_gpios)  in init_charge_current_limit()
211 	gpio_charger->current_limit_map = devm_kmalloc_array(dev,  in init_charge_current_limit()
212 		len / 2, sizeof(*gpio_charger->current_limit_map), GFP_KERNEL);  in init_charge_current_limit()
213 	if (!gpio_charger->current_limit_map)  in init_charge_current_limit()
216 	gpio_charger->current_limit_map_size = len / 2;  in init_charge_current_limit()
219 		(u32*) gpio_charger->current_limit_map, len);  in init_charge_current_limit()
223 	for (i=0; i < gpio_charger->current_limit_map_size; i++) {  in init_charge_current_limit()
224 		if (gpio_charger->current_limit_map[i].limit_ua > cur_limit) {  in init_charge_current_limit()
229 		cur_limit = gpio_charger->current_limit_map[i].limit_ua;  in init_charge_current_limit()
233 	len = gpio_charger->current_limit_map_size - 1;  in init_charge_current_limit()
234 	set_charge_current_limit(gpio_charger,  in init_charge_current_limit()
235 		gpio_charger->current_limit_map[len].limit_ua);  in init_charge_current_limit()
256 	struct gpio_charger *gpio_charger;  in gpio_charger_probe()  local
268 	gpio_charger = devm_kzalloc(dev, sizeof(*gpio_charger), GFP_KERNEL);  in gpio_charger_probe()
269 	if (!gpio_charger)  in gpio_charger_probe()
271 	gpio_charger->dev = dev;  in gpio_charger_probe()
277 	gpio_charger->gpiod = devm_gpiod_get_optional(dev, NULL, GPIOD_IN);  in gpio_charger_probe()
278 	if (IS_ERR(gpio_charger->gpiod)) {  in gpio_charger_probe()
280 		return dev_err_probe(dev, PTR_ERR(gpio_charger->gpiod),  in gpio_charger_probe()
284 	if (gpio_charger->gpiod) {  in gpio_charger_probe()
293 		gpio_charger->charge_status = charge_status;  in gpio_charger_probe()
298 	ret = init_charge_current_limit(dev, gpio_charger);  in gpio_charger_probe()
301 	if (gpio_charger->current_limit_map) {  in gpio_charger_probe()
307 	charger_desc = &gpio_charger->charger_desc;  in gpio_charger_probe()
316 	psy_cfg.drv_data = gpio_charger;  in gpio_charger_probe()
331 	gpio_charger->charger = devm_power_supply_register(dev, charger_desc,  in gpio_charger_probe()
333 	if (IS_ERR(gpio_charger->charger)) {  in gpio_charger_probe()
334 		ret = PTR_ERR(gpio_charger->charger);  in gpio_charger_probe()
339 	gpio_charger->irq = gpio_charger_get_irq(dev, gpio_charger->charger,  in gpio_charger_probe()
340 						 gpio_charger->gpiod);  in gpio_charger_probe()
342 	charge_status_irq = gpio_charger_get_irq(dev, gpio_charger->charger,  in gpio_charger_probe()
343 						 gpio_charger->charge_status);  in gpio_charger_probe()
344 	gpio_charger->charge_status_irq = charge_status_irq;  in gpio_charger_probe()
346 	platform_set_drvdata(pdev, gpio_charger);  in gpio_charger_probe()
356 	struct gpio_charger *gpio_charger = dev_get_drvdata(dev);  in gpio_charger_suspend()  local
359 		gpio_charger->wakeup_enabled =  in gpio_charger_suspend()
360 			!enable_irq_wake(gpio_charger->irq);  in gpio_charger_suspend()
367 	struct gpio_charger *gpio_charger = dev_get_drvdata(dev);  in gpio_charger_resume()  local
369 	if (device_may_wakeup(dev) && gpio_charger->wakeup_enabled)  in gpio_charger_resume()
370 		disable_irq_wake(gpio_charger->irq);  in gpio_charger_resume()
371 	power_supply_changed(gpio_charger->charger);  in gpio_charger_resume()