1 // SPDX-License-Identifier: GPL-2.0+
97 #define PF8X00_SW_BASE(i)		(8 * (i - PF8X00_BUCK1) + PF8X00_SW1_CONFIG1)
106 #define PF8X00_LDO_BASE(i)		(6 * (i - PF8X00_LDO1) + PF8X00_LDO1_CONFIG1)
179 static void swxilim_select(struct pf8x00_chip *chip, int id, int ilim)  in swxilim_select()  argument
184 	switch (ilim) {  in swxilim_select()
202 	regmap_update_bits(chip->regmap, reg,  in swxilim_select()
211 	struct pf8x00_chip *chip = config->driver_data;  in handle_ilim_property()
215 	if ((desc->id >= PF8X00_BUCK1) && (desc->id <= PF8X00_BUCK7)) {  in handle_ilim_property()
216 		ret = of_property_read_u32(np, "nxp,ilim-ma", &val);  in handle_ilim_property()
218 			dev_dbg(chip->dev, "unspecified ilim for BUCK%d, use value stored in OTP\n",  in handle_ilim_property()
219 				desc->id - PF8X00_LDO4);  in handle_ilim_property()
223 		dev_warn(chip->dev, "nxp,ilim-ma is deprecated, please use regulator-max-microamp\n");  in handle_ilim_property()
224 		swxilim_select(chip, desc->id, val);  in handle_ilim_property()
227 		dev_warn(chip->dev, "nxp,ilim-ma used with incorrect regulator (%d)\n", desc->id);  in handle_ilim_property()
234 	unsigned char id = desc->id - PF8X00_LDO4;  in handle_shift_property()
236 	struct pf8x00_chip *chip = config->driver_data;  in handle_shift_property()
241 	if ((desc->id >= PF8X00_BUCK1) && (desc->id <= PF8X00_BUCK7)) {  in handle_shift_property()
242 		ret = of_property_read_u32(np, "nxp,phase-shift", &val);  in handle_shift_property()
244 			dev_dbg(chip->dev,  in handle_shift_property()
245 				"unspecified phase-shift for BUCK%d, using OTP configuration\n",  in handle_shift_property()
251 			dev_warn(config->dev,  in handle_shift_property()
260 			phase -= 1;  in handle_shift_property()
264 		regmap_update_bits(chip->regmap, reg,  in handle_shift_property()
268 		dev_warn(chip->dev, "nxp,phase-shift used with incorrect regulator (%d)\n", id);  in handle_shift_property()
288 	return regmap_update_bits(rmap, regl->suspend_enable_reg,  in pf8x00_suspend_enable()
289 				  regl->suspend_enable_mask,  in pf8x00_suspend_enable()
290 				  regl->suspend_enable_mask);  in pf8x00_suspend_enable()
298 	return regmap_update_bits(rmap, regl->suspend_enable_reg,  in pf8x00_suspend_disable()
299 				  regl->suspend_enable_mask, 0);  in pf8x00_suspend_disable()
307 	if (regl->suspend_voltage_cache == uV)  in pf8x00_set_suspend_voltage()
317 		uV, regl->suspend_voltage_reg, regl->desc.vsel_mask, ret);  in pf8x00_set_suspend_voltage()
318 	ret = regmap_update_bits(rdev->regmap, regl->suspend_voltage_reg,  in pf8x00_set_suspend_voltage()
319 				 regl->desc.vsel_mask, ret);  in pf8x00_set_suspend_voltage()
325 	regl->suspend_voltage_cache = uV;  in pf8x00_set_suspend_voltage()
508 	ret = regmap_read(chip->regmap, PF8X00_DEVICEID, &value);  in pf8x00_identify()
510 		dev_err(chip->dev, "failed to read chip family\n");  in pf8x00_identify()
519 		dev_err(chip->dev,  in pf8x00_identify()
536 		dev_err(chip->dev, "Unknown pf8x00 device id 0x%x\n", dev_id);  in pf8x00_identify()
537 		return -ENODEV;  in pf8x00_identify()
540 	dev_info(chip->dev, "%s PMIC found.\n", name);  in pf8x00_identify()
552 	chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);  in pf8x00_i2c_probe()
554 		return -ENOMEM;  in pf8x00_i2c_probe()
557 	chip->dev = &client->dev;  in pf8x00_i2c_probe()
559 	chip->regmap = devm_regmap_init_i2c(client, &pf8x00_regmap_config);  in pf8x00_i2c_probe()
560 	if (IS_ERR(chip->regmap)) {  in pf8x00_i2c_probe()
561 		ret = PTR_ERR(chip->regmap);  in pf8x00_i2c_probe()
562 		dev_err(&client->dev,  in pf8x00_i2c_probe()
575 		config.dev = chip->dev;  in pf8x00_i2c_probe()
577 		config.regmap = chip->regmap;  in pf8x00_i2c_probe()
579 		rdev = devm_regulator_register(&client->dev, &data->desc, &config);  in pf8x00_i2c_probe()
581 			dev_err(&client->dev,  in pf8x00_i2c_probe()
582 				"failed to register %s regulator\n", data->desc.name);  in pf8x00_i2c_probe()