1 // SPDX-License-Identifier: GPL-2.0+
3 // max77802.c - Regulator driver for the Maxim 77802
5 // Copyright (C) 2013-2014 Google, Inc
12 // This driver is based on max8997.c
24 #include <linux/mfd/max77686-private.h>
25 #include <dt-bindings/regulator/maxim,max77802.h>
83 	return -EINVAL;  in max77802_get_opmode_shift()
87  * max77802_set_suspend_disable - Disable the regulator during system suspend
91  * Configure the regulator so the PMIC will turn it OFF during system suspend.
100 	if (WARN_ON_ONCE(id >= ARRAY_SIZE(max77802->opmode)))  in max77802_set_suspend_disable()
101 		return -EINVAL;  in max77802_set_suspend_disable()
102 	max77802->opmode[id] = val;  in max77802_set_suspend_disable()
103 	return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,  in max77802_set_suspend_disable()
104 				  rdev->desc->enable_mask, val << shift);  in max77802_set_suspend_disable()
127 		dev_warn(&rdev->dev, "%s: regulator mode: 0x%x not supported\n",  in max77802_set_mode()
128 			 rdev->desc->name, mode);  in max77802_set_mode()
129 		return -EINVAL;  in max77802_set_mode()
132 	if (WARN_ON_ONCE(id >= ARRAY_SIZE(max77802->opmode)))  in max77802_set_mode()
133 		return -EINVAL;  in max77802_set_mode()
135 	max77802->opmode[id] = val;  in max77802_set_mode()
136 	return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,  in max77802_set_mode()
137 				  rdev->desc->enable_mask, val << shift);  in max77802_set_mode()
145 	if (WARN_ON_ONCE(id >= ARRAY_SIZE(max77802->opmode)))  in max77802_get_mode()
146 		return -EINVAL;  in max77802_get_mode()
147 	return max77802_map_mode(max77802->opmode[id]);  in max77802_get_mode()
151  * max77802_set_suspend_mode - set regulator opmode when the system is suspended
158  * Enable Control Logic1 by PWRREQ (BUCK 2-4 and LDOs 2, 4-19, 22-35)
174 	if (WARN_ON_ONCE(id >= ARRAY_SIZE(max77802->opmode)))  in max77802_set_suspend_mode()
175 		return -EINVAL;  in max77802_set_suspend_mode()
181 	if (max77802->opmode[id] == MAX77802_OFF_PWRREQ) {  in max77802_set_suspend_mode()
182 		dev_warn(&rdev->dev, "%s: is disabled, mode: 0x%x not set\n",  in max77802_set_suspend_mode()
183 			 rdev->desc->name, mode);  in max77802_set_suspend_mode()
194 		if (max77802->opmode[id] == MAX77802_OPMODE_NORMAL)  in max77802_set_suspend_mode()
205 		if (max77802->opmode[id] == MAX77802_OPMODE_LP)  in max77802_set_suspend_mode()
206 			dev_warn(&rdev->dev, "%s: in Low Power: 0x%x invalid\n",  in max77802_set_suspend_mode()
207 				 rdev->desc->name, mode);  in max77802_set_suspend_mode()
210 		dev_warn(&rdev->dev, "%s: regulator mode: 0x%x not supported\n",  in max77802_set_suspend_mode()
211 			 rdev->desc->name, mode);  in max77802_set_suspend_mode()
212 		return -EINVAL;  in max77802_set_suspend_mode()
215 	return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,  in max77802_set_suspend_mode()
216 				  rdev->desc->enable_mask, val << shift);  in max77802_set_suspend_mode()
225 	if (WARN_ON_ONCE(id >= ARRAY_SIZE(max77802->opmode)))  in max77802_enable()
226 		return -EINVAL;  in max77802_enable()
227 	if (max77802->opmode[id] == MAX77802_OFF_PWRREQ)  in max77802_enable()
228 		max77802->opmode[id] = MAX77802_OPMODE_NORMAL;  in max77802_enable()
230 	return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,  in max77802_enable()
231 				  rdev->desc->enable_mask,  in max77802_enable()
232 				  max77802->opmode[id] << shift);  in max77802_enable()
236  * LDOs 2, 4-19, 22-35
282 /* BUCKs 2-4 */
297 /* BUCKs 5, 7-10 */
310 /* LDOs 3-7, 9-14, 18-26, 28, 29, 32-34 */
324 	.vsel_reg	= MAX77802_REG_LDO1CTRL1 + num - 1,		\
326 	.enable_reg	= MAX77802_REG_LDO1CTRL1 + num - 1,		\
345 	.vsel_reg	= MAX77802_REG_LDO1CTRL1 + num - 1,		\
347 	.enable_reg	= MAX77802_REG_LDO1CTRL1 + num - 1,		\
377 /* BUCKS 2-4 */
424 /* BUCKs 7-10 */
438 	.vsel_reg	= MAX77802_REG_BUCK7OUT + (num - 7) * 3,	\
440 	.enable_reg	= MAX77802_REG_BUCK7CTRL + (num - 7) * 3,	\
492 	struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent);  in max77802_pmic_probe()
497 	max77802 = devm_kzalloc(&pdev->dev,  in max77802_pmic_probe()
501 		return -ENOMEM;  in max77802_pmic_probe()
503 	config.dev = iodev->dev;  in max77802_pmic_probe()
504 	config.regmap = iodev->regmap;  in max77802_pmic_probe()
514 		ret = regmap_read(iodev->regmap, regulators[i].enable_reg, &val);  in max77802_pmic_probe()
516 			dev_warn(&pdev->dev,  in max77802_pmic_probe()
528 		if (id < ARRAY_SIZE(max77802->opmode)) {  in max77802_pmic_probe()
530 				max77802->opmode[id] = MAX77802_OPMODE_NORMAL;  in max77802_pmic_probe()
532 				max77802->opmode[id] = val;  in max77802_pmic_probe()
535 		rdev = devm_regulator_register(&pdev->dev,  in max77802_pmic_probe()
539 			dev_err(&pdev->dev,  in max77802_pmic_probe()
549 	{"max77802-pmic", 0},
556 		.name = "max77802-pmic",