1 // SPDX-License-Identifier: GPL-2.0+
18 #include <linux/mfd/samsung/s2mpa01.h>
52 	struct s2mpa01_info *s2mpa01 = rdev_get_drvdata(rdev);  in s2mpa01_regulator_set_voltage_time_sel()  local
59 		ramp_delay = s2mpa01->ramp_delay24;  in s2mpa01_regulator_set_voltage_time_sel()
62 		ramp_delay = s2mpa01->ramp_delay3;  in s2mpa01_regulator_set_voltage_time_sel()
65 		ramp_delay = s2mpa01->ramp_delay5;  in s2mpa01_regulator_set_voltage_time_sel()
69 		ramp_delay = s2mpa01->ramp_delay16;  in s2mpa01_regulator_set_voltage_time_sel()
72 		ramp_delay = s2mpa01->ramp_delay7;  in s2mpa01_regulator_set_voltage_time_sel()
77 		ramp_delay = s2mpa01->ramp_delay8910;  in s2mpa01_regulator_set_voltage_time_sel()
82 		ramp_delay = rdev->desc->ramp_delay;  in s2mpa01_regulator_set_voltage_time_sel()
84 	old_volt = rdev->desc->min_uV + (rdev->desc->uV_step * old_selector);  in s2mpa01_regulator_set_voltage_time_sel()
85 	new_volt = rdev->desc->min_uV + (rdev->desc->uV_step * new_selector);  in s2mpa01_regulator_set_voltage_time_sel()
87 	return DIV_ROUND_UP(abs(new_volt - old_volt), ramp_delay);  in s2mpa01_regulator_set_voltage_time_sel()
92 	struct s2mpa01_info *s2mpa01 = rdev_get_drvdata(rdev);  in s2mpa01_set_ramp_delay()  local
105 		if (ramp_delay > s2mpa01->ramp_delay16)  in s2mpa01_set_ramp_delay()
106 			s2mpa01->ramp_delay16 = ramp_delay;  in s2mpa01_set_ramp_delay()
108 			ramp_delay = s2mpa01->ramp_delay16;  in s2mpa01_set_ramp_delay()
119 		if (ramp_delay > s2mpa01->ramp_delay24)  in s2mpa01_set_ramp_delay()
120 			s2mpa01->ramp_delay24 = ramp_delay;  in s2mpa01_set_ramp_delay()
122 			ramp_delay = s2mpa01->ramp_delay24;  in s2mpa01_set_ramp_delay()
134 		s2mpa01->ramp_delay3 = ramp_delay;  in s2mpa01_set_ramp_delay()
145 		if (ramp_delay > s2mpa01->ramp_delay24)  in s2mpa01_set_ramp_delay()
146 			s2mpa01->ramp_delay24 = ramp_delay;  in s2mpa01_set_ramp_delay()
148 			ramp_delay = s2mpa01->ramp_delay24;  in s2mpa01_set_ramp_delay()
154 		s2mpa01->ramp_delay5 = ramp_delay;  in s2mpa01_set_ramp_delay()
158 		if (ramp_delay > s2mpa01->ramp_delay16)  in s2mpa01_set_ramp_delay()
159 			s2mpa01->ramp_delay16 = ramp_delay;  in s2mpa01_set_ramp_delay()
161 			ramp_delay = s2mpa01->ramp_delay16;  in s2mpa01_set_ramp_delay()
166 		s2mpa01->ramp_delay7 = ramp_delay;  in s2mpa01_set_ramp_delay()
172 		if (ramp_delay > s2mpa01->ramp_delay8910)  in s2mpa01_set_ramp_delay()
173 			s2mpa01->ramp_delay8910 = ramp_delay;  in s2mpa01_set_ramp_delay()
175 			ramp_delay = s2mpa01->ramp_delay8910;  in s2mpa01_set_ramp_delay()
189 		ret = regmap_update_bits(rdev->regmap, S2MPA01_REG_RAMP1,  in s2mpa01_set_ramp_delay()
192 			dev_err(&rdev->dev, "failed to enable ramp rate\n");  in s2mpa01_set_ramp_delay()
199 	return regmap_update_bits(rdev->regmap, ramp_reg, 0x3 << ramp_shift,  in s2mpa01_set_ramp_delay()
203 	return regmap_update_bits(rdev->regmap, S2MPA01_REG_RAMP1,  in s2mpa01_set_ramp_delay()
241 	.vsel_reg	= S2MPA01_REG_L1CTRL + num - 1,	\
243 	.enable_reg	= S2MPA01_REG_L1CTRL + num - 1,	\
259 	.vsel_reg	= S2MPA01_REG_B1CTRL2 + (num - 1) * 2,	\
261 	.enable_reg	= S2MPA01_REG_B1CTRL1 + (num - 1) * 2,	\
295 	.vsel_reg	= S2MPA01_REG_B6CTRL2 + (num - 6) * 2,	\
297 	.enable_reg	= S2MPA01_REG_B6CTRL1 + (num - 6) * 2,	\
342 	struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);  in s2mpa01_pmic_probe()
343 	struct sec_platform_data *pdata = dev_get_platdata(iodev->dev);  in s2mpa01_pmic_probe()
345 	struct s2mpa01_info *s2mpa01;  in s2mpa01_pmic_probe()  local
348 	s2mpa01 = devm_kzalloc(&pdev->dev, sizeof(*s2mpa01), GFP_KERNEL);  in s2mpa01_pmic_probe()
349 	if (!s2mpa01)  in s2mpa01_pmic_probe()
350 		return -ENOMEM;  in s2mpa01_pmic_probe()
352 	config.dev = iodev->dev;  in s2mpa01_pmic_probe()
353 	config.regmap = iodev->regmap_pmic;  in s2mpa01_pmic_probe()
354 	config.driver_data = s2mpa01;  in s2mpa01_pmic_probe()
360 			config.init_data = pdata->regulators[i].initdata;  in s2mpa01_pmic_probe()
362 		rdev = devm_regulator_register(&pdev->dev,  in s2mpa01_pmic_probe()
365 			dev_err(&pdev->dev, "regulator init failed for %d\n",  in s2mpa01_pmic_probe()
375 	{ "s2mpa01-pmic", 0},
382 		.name = "s2mpa01-pmic",
393 MODULE_DESCRIPTION("Samsung S2MPA01 Regulator Driver");