1 // SPDX-License-Identifier: GPL-2.0
5 // Copyright (C) 2006-2008 Marvell International Ltd.
18 #define DA9030_INVAL		(-1)
42 #define DA9034_INVAL		(-1)
87 	return rdev_get_dev(rdev)->parent->parent;  in to_da903x_dev()
93 	if (min_uV < info->desc.min_uV || min_uV > info->max_uV)  in check_range()
94 		return -EINVAL;  in check_range()
106 	if (rdev->desc->n_voltages == 1)  in da903x_set_voltage_sel()
107 		return -EINVAL;  in da903x_set_voltage_sel()
109 	val = selector << info->vol_shift;  in da903x_set_voltage_sel()
110 	mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;  in da903x_set_voltage_sel()
112 	return da903x_update(da9034_dev, info->vol_reg, val, mask);  in da903x_set_voltage_sel()
122 	if (rdev->desc->n_voltages == 1)  in da903x_get_voltage_sel()
125 	ret = da903x_read(da9034_dev, info->vol_reg, &val);  in da903x_get_voltage_sel()
129 	mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;  in da903x_get_voltage_sel()
130 	val = (val & mask) >> info->vol_shift;  in da903x_get_voltage_sel()
140 	return da903x_set_bits(da9034_dev, info->enable_reg,  in da903x_enable()
141 					1 << info->enable_bit);  in da903x_enable()
149 	return da903x_clr_bits(da9034_dev, info->enable_reg,  in da903x_disable()
150 					1 << info->enable_bit);  in da903x_disable()
160 	ret = da903x_read(da9034_dev, info->enable_reg, &reg_val);  in da903x_is_enabled()
164 	return !!(reg_val & (1 << info->enable_bit));  in da903x_is_enabled()
176 	val = selector << info->vol_shift;  in da9030_set_ldo1_15_voltage_sel()
177 	mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;  in da9030_set_ldo1_15_voltage_sel()
182 	ret = da903x_update(da903x_dev, info->vol_reg, val, mask);  in da9030_set_ldo1_15_voltage_sel()
186 	return da903x_update(da903x_dev, info->vol_reg, val, mask);  in da9030_set_ldo1_15_voltage_sel()
197 		return -EINVAL;  in da9030_map_ldo14_voltage()
200 	thresh = (info->max_uV + info->desc.min_uV) / 2;  in da9030_map_ldo14_voltage()
202 		sel = DIV_ROUND_UP(thresh - min_uV, info->desc.uV_step);  in da9030_map_ldo14_voltage()
205 		sel = DIV_ROUND_UP(min_uV - thresh, info->desc.uV_step);  in da9030_map_ldo14_voltage()
218 		volt = rdev->desc->min_uV +  in da9030_list_ldo14_voltage()
219 		       rdev->desc->uV_step * (3 - (selector & ~0x4));  in da9030_list_ldo14_voltage()
221 		volt = (info->max_uV + rdev->desc->min_uV) / 2 +  in da9030_list_ldo14_voltage()
222 		       rdev->desc->uV_step * (selector & ~0x4);  in da9030_list_ldo14_voltage()
224 	if (volt > info->max_uV)  in da9030_list_ldo14_voltage()
225 		return -EINVAL;  in da9030_list_ldo14_voltage()
239 	val = selector << info->vol_shift;  in da9034_set_dvc_voltage_sel()
240 	mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;  in da9034_set_dvc_voltage_sel()
242 	ret = da903x_update(da9034_dev, info->vol_reg, val, mask);  in da9034_set_dvc_voltage_sel()
246 	ret = da903x_set_bits(da9034_dev, info->update_reg,  in da9034_set_dvc_voltage_sel()
247 					1 << info->update_bit);  in da9034_set_dvc_voltage_sel()
266 /* NOTE: this is dedicated for the insane DA9030 LDO14 */
316 		.n_voltages = (step) ? ((max - min) / step + 1) : 1,	\
336 		.n_voltages = (step) ? ((max - min) / step + 1) : 1,	\
387 	DA9030_LDO(16, 1100, 2650,  50, LDO1416, 3, 5, RCTL11, 6),
424 		if (ri->desc.id == id)  in find_regulator_info()
436 	ri = find_regulator_info(pdev->id);  in da903x_regulator_probe()
438 		dev_err(&pdev->dev, "invalid regulator ID specified\n");  in da903x_regulator_probe()
439 		return -EINVAL;  in da903x_regulator_probe()
443 	if (ri->desc.id == DA9034_ID_LDO12) {  in da903x_regulator_probe()
444 		ri->desc.ops = &da9034_regulator_ldo12_ops;  in da903x_regulator_probe()
445 		ri->desc.n_voltages = 16;  in da903x_regulator_probe()
446 		ri->desc.linear_ranges = da9034_ldo12_ranges;  in da903x_regulator_probe()
447 		ri->desc.n_linear_ranges = ARRAY_SIZE(da9034_ldo12_ranges);  in da903x_regulator_probe()
450 	if (ri->desc.id == DA9030_ID_LDO14)  in da903x_regulator_probe()
451 		ri->desc.ops = &da9030_regulator_ldo14_ops;  in da903x_regulator_probe()
453 	if (ri->desc.id == DA9030_ID_LDO1 || ri->desc.id == DA9030_ID_LDO15)  in da903x_regulator_probe()
454 		ri->desc.ops = &da9030_regulator_ldo1_15_ops;  in da903x_regulator_probe()
456 	config.dev = &pdev->dev;  in da903x_regulator_probe()
457 	config.init_data = dev_get_platdata(&pdev->dev);  in da903x_regulator_probe()
460 	rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config);  in da903x_regulator_probe()
462 		dev_err(&pdev->dev, "failed to register regulator %s\n",  in da903x_regulator_probe()
463 				ri->desc.name);  in da903x_regulator_probe()
473 		.name	= "da903x-regulator",
495 MODULE_ALIAS("platform:da903x-regulator");