1 // SPDX-License-Identifier: GPL-2.0
7 // Copyright (c) 2020-2021 Huawei Technologies Co., Ltd.
17 #include <linux/spmi.h>
63  * HI6421V600_LDO() - specify a LDO power line
87 			.vsel_mask	= ARRAY_SIZE(vtable) - 1,	       \
105 	mutex_lock(&priv->enable_mutex);  in hi6421_spmi_regulator_enable()
107 	ret = regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,  in hi6421_spmi_regulator_enable()
108 				 rdev->desc->enable_mask,  in hi6421_spmi_regulator_enable()
109 				 rdev->desc->enable_mask);  in hi6421_spmi_regulator_enable()
112 	usleep_range(rdev->desc->off_on_delay, rdev->desc->off_on_delay + 60);  in hi6421_spmi_regulator_enable()
114 	mutex_unlock(&priv->enable_mutex);  in hi6421_spmi_regulator_enable()
124 	sreg = container_of(rdev->desc, struct hi6421_spmi_reg_info, desc);  in hi6421_spmi_regulator_get_mode()
125 	regmap_read(rdev->regmap, rdev->desc->enable_reg, &reg_val);  in hi6421_spmi_regulator_get_mode()
127 	if (reg_val & sreg->eco_mode_mask)  in hi6421_spmi_regulator_get_mode()
139 	sreg = container_of(rdev->desc, struct hi6421_spmi_reg_info, desc);  in hi6421_spmi_regulator_set_mode()
145 		if (!sreg->eco_mode_mask)  in hi6421_spmi_regulator_set_mode()
146 			return -EINVAL;  in hi6421_spmi_regulator_set_mode()
148 		val = sreg->eco_mode_mask;  in hi6421_spmi_regulator_set_mode()
151 		return -EINVAL;  in hi6421_spmi_regulator_set_mode()
154 	return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,  in hi6421_spmi_regulator_set_mode()
155 				  sreg->eco_mode_mask, val);  in hi6421_spmi_regulator_set_mode()
165 	sreg = container_of(rdev->desc, struct hi6421_spmi_reg_info, desc);  in hi6421_spmi_regulator_get_optimum_mode()
167 	if (!sreg->eco_uA || ((unsigned int)load_uA > sreg->eco_uA))  in hi6421_spmi_regulator_get_optimum_mode()
186 /* HI6421v600 regulators with known registers */
235 	struct device *pmic_dev = pdev->dev.parent;  in hi6421_spmi_regulator_probe()
239 	struct device *dev = &pdev->dev;  in hi6421_spmi_regulator_probe()
245 	 * This driver is meant to be called by hi6421-spmi-core,  in hi6421_spmi_regulator_probe()
251 		return -ENODEV;  in hi6421_spmi_regulator_probe()
255 		return -ENOMEM;  in hi6421_spmi_regulator_probe()
257 	mutex_init(&priv->enable_mutex);  in hi6421_spmi_regulator_probe()
262 		config.dev = pdev->dev.parent;  in hi6421_spmi_regulator_probe()
266 		rdev = devm_regulator_register(dev, &info->desc, &config);  in hi6421_spmi_regulator_probe()
269 				info->desc.name);  in hi6421_spmi_regulator_probe()
278 	{ .name = "hi6421v600-regulator" },
286 		.name = "hi6421v600-regulator",
293 MODULE_DESCRIPTION("Hi6421v600 SPMI regulator driver");