3  * TI LP8788 MFD - buck regulator driver
96 /* BUCK 1 ~ 4 voltage ranges */
102 static void lp8788_buck1_set_dvs(struct lp8788_buck *buck)  in lp8788_buck1_set_dvs()  argument
104 	struct lp8788_buck1_dvs *dvs = (struct lp8788_buck1_dvs *)buck->dvs;  in lp8788_buck1_set_dvs()
111 	gpiod_set_value(buck->gpio1, pinstate);  in lp8788_buck1_set_dvs()
114 static void lp8788_buck2_set_dvs(struct lp8788_buck *buck)  in lp8788_buck2_set_dvs()  argument
116 	struct lp8788_buck2_dvs *dvs = (struct lp8788_buck2_dvs *)buck->dvs;  in lp8788_buck2_set_dvs()
143 	gpiod_set_value(buck->gpio1, pin1);  in lp8788_buck2_set_dvs()
144 	gpiod_set_value(buck->gpio2, pin2);  in lp8788_buck2_set_dvs()
147 static void lp8788_set_dvs(struct lp8788_buck *buck, enum lp8788_buck_id id)  in lp8788_set_dvs()  argument
151 		lp8788_buck1_set_dvs(buck);  in lp8788_set_dvs()
154 		lp8788_buck2_set_dvs(buck);  in lp8788_set_dvs()
162 lp8788_get_buck_dvs_ctrl_mode(struct lp8788_buck *buck, enum lp8788_buck_id id)  in lp8788_get_buck_dvs_ctrl_mode()  argument
177 	lp8788_read_byte(buck->lp, LP8788_BUCK_DVS_SEL, &val);  in lp8788_get_buck_dvs_ctrl_mode()
199 static u8 lp8788_select_buck_vout_addr(struct lp8788_buck *buck,  in lp8788_select_buck_vout_addr()  argument
202 	enum lp8788_dvs_mode mode = lp8788_get_buck_dvs_ctrl_mode(buck, id);  in lp8788_select_buck_vout_addr()
209 			idx = gpiod_get_value(buck->gpio1);  in lp8788_select_buck_vout_addr()
211 			lp8788_read_byte(buck->lp, LP8788_BUCK_DVS_SEL, &val);  in lp8788_select_buck_vout_addr()
218 			pin1 = gpiod_get_value(buck->gpio1);  in lp8788_select_buck_vout_addr()
219 			pin2 = gpiod_get_value(buck->gpio2);  in lp8788_select_buck_vout_addr()
230 			lp8788_read_byte(buck->lp, LP8788_BUCK_DVS_SEL, &val);  in lp8788_select_buck_vout_addr()
247 	struct lp8788_buck *buck = rdev_get_drvdata(rdev);  in lp8788_buck12_set_voltage_sel()  local
251 	if (buck->dvs)  in lp8788_buck12_set_voltage_sel()
252 		lp8788_set_dvs(buck, id);  in lp8788_buck12_set_voltage_sel()
254 	addr = lp8788_select_buck_vout_addr(buck, id);  in lp8788_buck12_set_voltage_sel()
258 	return lp8788_update_bits(buck->lp, addr, LP8788_VOUT_M, selector);  in lp8788_buck12_set_voltage_sel()
263 	struct lp8788_buck *buck = rdev_get_drvdata(rdev);  in lp8788_buck12_get_voltage_sel()  local
268 	addr = lp8788_select_buck_vout_addr(buck, id);  in lp8788_buck12_get_voltage_sel()
272 	ret = lp8788_read_byte(buck->lp, addr, &val);  in lp8788_buck12_get_voltage_sel()
281 	struct lp8788_buck *buck = rdev_get_drvdata(rdev);  in lp8788_buck_enable_time()  local
285 	if (lp8788_read_byte(buck->lp, addr, &val))  in lp8788_buck_enable_time()
295 	struct lp8788_buck *buck = rdev_get_drvdata(rdev);  in lp8788_buck_set_mode()  local
311 	return lp8788_update_bits(buck->lp, LP8788_BUCK_PWM, mask, val);  in lp8788_buck_set_mode()
316 	struct lp8788_buck *buck = rdev_get_drvdata(rdev);  in lp8788_buck_get_mode()  local
321 	ret = lp8788_read_byte(buck->lp, LP8788_BUCK_PWM, &val);  in lp8788_buck_get_mode()
411 				struct lp8788_buck *buck,  in lp8788_dvs_gpio_request()  argument
414 	struct lp8788_platform_data *pdata = buck->lp->pdata;  in lp8788_dvs_gpio_request()
419 		buck->gpio1 = devm_gpiod_get(dev, "dvs", GPIOD_OUT_LOW);  in lp8788_dvs_gpio_request()
420 		if (IS_ERR(buck->gpio1))  in lp8788_dvs_gpio_request()
421 			return PTR_ERR(buck->gpio1);  in lp8788_dvs_gpio_request()
422 		gpiod_set_consumer_name(buck->gpio1, "LP8788_B1_DVS");  in lp8788_dvs_gpio_request()
424 		buck->dvs = pdata->buck1_dvs;  in lp8788_dvs_gpio_request()
427 		buck->gpio1 = devm_gpiod_get_index(dev, "dvs", 0, GPIOD_OUT_LOW);  in lp8788_dvs_gpio_request()
428 		if (IS_ERR(buck->gpio1))  in lp8788_dvs_gpio_request()
429 			return PTR_ERR(buck->gpio1);  in lp8788_dvs_gpio_request()
430 		gpiod_set_consumer_name(buck->gpio1, "LP8788_B2_DVS1");  in lp8788_dvs_gpio_request()
432 		buck->gpio2 = devm_gpiod_get_index(dev, "dvs", 1, GPIOD_OUT_LOW);  in lp8788_dvs_gpio_request()
433 		if (IS_ERR(buck->gpio2))  in lp8788_dvs_gpio_request()
434 			return PTR_ERR(buck->gpio2);  in lp8788_dvs_gpio_request()
435 		gpiod_set_consumer_name(buck->gpio2, "LP8788_B2_DVS2");  in lp8788_dvs_gpio_request()
437 		buck->dvs = pdata->buck2_dvs;  in lp8788_dvs_gpio_request()
447 			struct lp8788_buck *buck, enum lp8788_buck_id id)  in lp8788_init_dvs()  argument
449 	struct lp8788_platform_data *pdata = buck->lp->pdata;  in lp8788_init_dvs()
466 	if (lp8788_dvs_gpio_request(pdev, buck, id))  in lp8788_init_dvs()
469 	return lp8788_update_bits(buck->lp, LP8788_BUCK_DVS_SEL, mask[id],  in lp8788_init_dvs()
473 	return lp8788_update_bits(buck->lp, LP8788_BUCK_DVS_SEL, mask[id],  in lp8788_init_dvs()
481 	struct lp8788_buck *buck;  in lp8788_buck_probe()  local
489 	buck = devm_kzalloc(&pdev->dev, sizeof(struct lp8788_buck), GFP_KERNEL);  in lp8788_buck_probe()
490 	if (!buck)  in lp8788_buck_probe()
493 	buck->lp = lp;  in lp8788_buck_probe()
495 	ret = lp8788_init_dvs(pdev, buck, id);  in lp8788_buck_probe()
501 	cfg.driver_data = buck;  in lp8788_buck_probe()
507 		dev_err(&pdev->dev, "BUCK%d regulator register err = %d\n",  in lp8788_buck_probe()
512 	buck->regulator = rdev;  in lp8788_buck_probe()
513 	platform_set_drvdata(pdev, buck);  in lp8788_buck_probe()
538 MODULE_DESCRIPTION("TI LP8788 BUCK Driver");
541 MODULE_ALIAS("platform:lp8788-buck");