1 // SPDX-License-Identifier: GPL-2.0
8 #include <linux/regulator/driver.h>
9 #include <linux/regulator/machine.h>
10 #include <linux/regulator/mt6315-regulator.h>
11 #include <linux/regulator/of_regulator.h>
83 	info = container_of(rdev->desc, struct mt6315_regulator_info, desc);  in mt6315_regulator_get_mode()
84 	modeset_mask = init->modeset_mask[rdev_get_id(rdev)];  in mt6315_regulator_get_mode()
85 	ret = regmap_read(rdev->regmap, MT6315_BUCK_TOP_4PHASE_ANA_CON42, &regval);  in mt6315_regulator_get_mode()
87 		dev_err(&rdev->dev, "Failed to get mode: %d\n", ret);  in mt6315_regulator_get_mode()
94 	ret = regmap_read(rdev->regmap, MT6315_BUCK_TOP_CON1, &regval);  in mt6315_regulator_get_mode()
96 		dev_err(&rdev->dev, "Failed to get lp mode: %d\n", ret);  in mt6315_regulator_get_mode()
100 	if (regval & info->lp_mode_mask)  in mt6315_regulator_get_mode()
114 	info = container_of(rdev->desc, struct mt6315_regulator_info, desc);  in mt6315_regulator_set_mode()
115 	modeset_mask = init->modeset_mask[rdev_get_id(rdev)];  in mt6315_regulator_set_mode()
119 		ret = regmap_update_bits(rdev->regmap,  in mt6315_regulator_set_mode()
126 			ret = regmap_update_bits(rdev->regmap,  in mt6315_regulator_set_mode()
131 			ret = regmap_update_bits(rdev->regmap,  in mt6315_regulator_set_mode()
133 						 info->lp_mode_mask,  in mt6315_regulator_set_mode()
137 			ret = -EINVAL;  in mt6315_regulator_set_mode()
142 		val <<= info->lp_mode_shift;  in mt6315_regulator_set_mode()
143 		ret = regmap_update_bits(rdev->regmap,  in mt6315_regulator_set_mode()
145 					 info->lp_mode_mask,  in mt6315_regulator_set_mode()
149 		ret = -EINVAL;  in mt6315_regulator_set_mode()
150 		dev_err(&rdev->dev, "Unsupported mode: %d\n", mode);  in mt6315_regulator_set_mode()
155 		dev_err(&rdev->dev, "Failed to set mode: %d\n", ret);  in mt6315_regulator_set_mode()
168 	info = container_of(rdev->desc, struct mt6315_regulator_info, desc);  in mt6315_get_status()
169 	ret = regmap_read(rdev->regmap, info->status_reg, &regval);  in mt6315_get_status()
171 		dev_err(&rdev->dev, "Failed to get enable reg: %d\n", ret);  in mt6315_get_status()
208 		.compatible = "mediatek,mt6315-regulator",
217 	struct device *dev = &pdev->dev;  in mt6315_regulator_probe()
231 		return -ENOMEM;  in mt6315_regulator_probe()
235 		return -ENOMEM;  in mt6315_regulator_probe()
237 	switch (pdev->usid) {  in mt6315_regulator_probe()
239 		init_data->modeset_mask[MT6315_VBUCK1] = BIT(MT6315_VBUCK1) | BIT(MT6315_VBUCK2) |  in mt6315_regulator_probe()
244 		init_data->modeset_mask[MT6315_VBUCK1] = BIT(MT6315_VBUCK1) | BIT(MT6315_VBUCK2);  in mt6315_regulator_probe()
247 		init_data->modeset_mask[MT6315_VBUCK1] = BIT(MT6315_VBUCK1);  in mt6315_regulator_probe()
251 		init_data->modeset_mask[i] = BIT(i);  in mt6315_regulator_probe()
253 	chip->dev = dev;  in mt6315_regulator_probe()
254 	chip->regmap = regmap;  in mt6315_regulator_probe()
274 	struct mt6315_chip *chip = dev_get_drvdata(&pdev->dev);  in mt6315_regulator_shutdown()
277 	ret |= regmap_write(chip->regmap, MT6315_TOP_TMA_KEY_H, PROTECTION_KEY_H);  in mt6315_regulator_shutdown()
278 	ret |= regmap_write(chip->regmap, MT6315_TOP_TMA_KEY, PROTECTION_KEY);  in mt6315_regulator_shutdown()
279 	ret |= regmap_update_bits(chip->regmap, MT6315_TOP2_ELR7, 1, 1);  in mt6315_regulator_shutdown()
280 	ret |= regmap_write(chip->regmap, MT6315_TOP_TMA_KEY, 0);  in mt6315_regulator_shutdown()
281 	ret |= regmap_write(chip->regmap, MT6315_TOP_TMA_KEY_H, 0);  in mt6315_regulator_shutdown()
283 		dev_err(&pdev->dev, "[%#x] Failed to enable power off sequence. %d\n",  in mt6315_regulator_shutdown()
284 			   pdev->usid, ret);  in mt6315_regulator_shutdown()
289 		.name	= "mt6315-regulator",
299 MODULE_AUTHOR("Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>");
300 MODULE_DESCRIPTION("Regulator Driver for MediaTek MT6315 PMIC");