1 // SPDX-License-Identifier: GPL-2.0
11 #include <linux/mfd/mt6323/registers.h>
12 #include <linux/regulator/driver.h>
13 #include <linux/regulator/machine.h>
14 #include <linux/regulator/mt6323-regulator.h>
15 #include <linux/regulator/of_regulator.h>
21  * MT6323 regulators' information
23  * @desc: standard fields of regulator description.
49 		.n_voltages = (max - min)/step + 1,			\
163 	ret = regmap_read(rdev->regmap, info->desc.enable_reg, &regval);  in mt6323_get_status()
165 		dev_err(&rdev->dev, "Failed to get enable reg: %d\n", ret);  in mt6323_get_status()
169 	return (regval & info->qi) ? REGULATOR_STATUS_ON : REGULATOR_STATUS_OFF;  in mt6323_get_status()
177 	if (!info->modeset_mask) {  in mt6323_ldo_set_mode()
178 		dev_err(&rdev->dev, "regulator %s doesn't support set_mode\n",  in mt6323_ldo_set_mode()
179 			info->desc.name);  in mt6323_ldo_set_mode()
180 		return -EINVAL;  in mt6323_ldo_set_mode()
191 		return -EINVAL;  in mt6323_ldo_set_mode()
194 	val <<= ffs(info->modeset_mask) - 1;  in mt6323_ldo_set_mode()
196 	ret = regmap_update_bits(rdev->regmap, info->modeset_reg,  in mt6323_ldo_set_mode()
197 				  info->modeset_mask, val);  in mt6323_ldo_set_mode()
209 	if (!info->modeset_mask) {  in mt6323_ldo_get_mode()
210 		dev_err(&rdev->dev, "regulator %s doesn't support get_mode\n",  in mt6323_ldo_get_mode()
211 			info->desc.name);  in mt6323_ldo_get_mode()
212 		return -EINVAL;  in mt6323_ldo_get_mode()
215 	ret = regmap_read(rdev->regmap, info->modeset_reg, &val);  in mt6323_ldo_get_mode()
219 	val &= info->modeset_mask;  in mt6323_ldo_get_mode()
220 	val >>= ffs(info->modeset_mask) - 1;  in mt6323_ldo_get_mode()
290 		MT6323_ANALDO_CON4, 15, MT6323_ANALDO_CON10, 0x60, -1, 0),
322 		-1, 0),
345 	struct mt6397_chip *mt6323 = dev_get_drvdata(pdev->dev.parent);  in mt6323_set_buck_vosel_reg()  local
351 			if (regmap_read(mt6323->regmap,  in mt6323_set_buck_vosel_reg()
354 				dev_err(&pdev->dev,  in mt6323_set_buck_vosel_reg()
356 				return -EIO;  in mt6323_set_buck_vosel_reg()
371 	struct mt6397_chip *mt6323 = dev_get_drvdata(pdev->dev.parent);  in mt6323_regulator_probe()  local
379 		return -EIO;  in mt6323_regulator_probe()
382 	if (regmap_read(mt6323->regmap, MT6323_CID, &reg_value) < 0) {  in mt6323_regulator_probe()
383 		dev_err(&pdev->dev, "Failed to read Chip ID\n");  in mt6323_regulator_probe()
384 		return -EIO;  in mt6323_regulator_probe()
386 	dev_info(&pdev->dev, "Chip ID = 0x%x\n", reg_value);  in mt6323_regulator_probe()
389 		config.dev = &pdev->dev;  in mt6323_regulator_probe()
391 		config.regmap = mt6323->regmap;  in mt6323_regulator_probe()
392 		rdev = devm_regulator_register(&pdev->dev,  in mt6323_regulator_probe()
395 			dev_err(&pdev->dev, "failed to register %s\n",  in mt6323_regulator_probe()
404 	{"mt6323-regulator", 0},
411 		.name = "mt6323-regulator",
421 MODULE_DESCRIPTION("Regulator Driver for MediaTek MT6323 PMIC");