1 // SPDX-License-Identifier: GPL-2.0+
36 #define RTQ6752_ENABLE_MASK	(BIT(RTQ6752_IDX_MAX) - 1)
56 	mutex_lock(&priv->lock);  in rtq6752_set_vdd_enable()
57 	if (!priv->enable_flag) {  in rtq6752_set_vdd_enable()
58 		if (priv->enable_gpio) {  in rtq6752_set_vdd_enable()
59 			gpiod_set_value(priv->enable_gpio, 1);  in rtq6752_set_vdd_enable()
65 		regcache_cache_only(priv->regmap, false);  in rtq6752_set_vdd_enable()
66 		ret = regcache_sync(priv->regmap);  in rtq6752_set_vdd_enable()
68 			mutex_unlock(&priv->lock);  in rtq6752_set_vdd_enable()
73 	priv->enable_flag |= BIT(rid);  in rtq6752_set_vdd_enable()
74 	mutex_unlock(&priv->lock);  in rtq6752_set_vdd_enable()
88 	mutex_lock(&priv->lock);  in rtq6752_set_vdd_disable()
89 	priv->enable_flag &= ~BIT(rid);  in rtq6752_set_vdd_disable()
91 	if (!priv->enable_flag) {  in rtq6752_set_vdd_disable()
92 		regcache_cache_only(priv->regmap, true);  in rtq6752_set_vdd_disable()
93 		regcache_mark_dirty(priv->regmap);  in rtq6752_set_vdd_disable()
95 		if (priv->enable_gpio)  in rtq6752_set_vdd_disable()
96 			gpiod_set_value(priv->enable_gpio, 0);  in rtq6752_set_vdd_disable()
99 	mutex_unlock(&priv->lock);  in rtq6752_set_vdd_disable()
112 	ret = regmap_read(rdev->regmap, RTQ6752_REG_FAULT, &val);  in rtq6752_get_error_flags()
136 		.name = "rtq6752-pavdd",
137 		.of_match = of_match_ptr("pavdd"),
155 		.name = "rtq6752-navdd",
180 	/* Configure PAVDD on and softstart delay time to the minimum */  in rtq6752_init_device_properties()
181 	ret = regmap_raw_write(priv->regmap, RTQ6752_REG_PAVDDONDLY, raw_vals,  in rtq6752_init_device_properties()
187 	return regmap_raw_write(priv->regmap, RTQ6752_REG_NAVDDONDLY, raw_vals,  in rtq6752_init_device_properties()
226 	priv = devm_kzalloc(&i2c->dev, sizeof(*priv), GFP_KERNEL);  in rtq6752_probe()
228 		return -ENOMEM;  in rtq6752_probe()
230 	mutex_init(&priv->lock);  in rtq6752_probe()
232 	priv->enable_gpio = devm_gpiod_get_optional(&i2c->dev, "enable",  in rtq6752_probe()
234 	if (IS_ERR(priv->enable_gpio)) {  in rtq6752_probe()
235 		dev_err(&i2c->dev, "Failed to get 'enable' gpio\n");  in rtq6752_probe()
236 		return PTR_ERR(priv->enable_gpio);  in rtq6752_probe()
240 	/* Default EN pin to high, PAVDD and NAVDD will be on */  in rtq6752_probe()
241 	priv->enable_flag = RTQ6752_ENABLE_MASK;  in rtq6752_probe()
243 	priv->regmap = devm_regmap_init_i2c(i2c, &rtq6752_regmap_config);  in rtq6752_probe()
244 	if (IS_ERR(priv->regmap)) {  in rtq6752_probe()
245 		dev_err(&i2c->dev, "Failed to init regmap\n");  in rtq6752_probe()
246 		return PTR_ERR(priv->regmap);  in rtq6752_probe()
251 		dev_err(&i2c->dev, "Failed to init device properties\n");  in rtq6752_probe()
255 	reg_cfg.dev = &i2c->dev;  in rtq6752_probe()
256 	reg_cfg.regmap = priv->regmap;  in rtq6752_probe()
260 		rdev = devm_regulator_register(&i2c->dev,  in rtq6752_probe()
264 			dev_err(&i2c->dev, "Failed to init %d regulator\n", i);  in rtq6752_probe()
273 	{ .compatible = "richtek,rtq6752", },
280 		.name = "rtq6752",
289 MODULE_DESCRIPTION("Richtek RTQ6752 Regulator Driver");