1 // SPDX-License-Identifier:     GPL-2.0+
12 #include <asm/gpio.h>
17  * struct ic_types - definition of fan53555-family devices
27  * See http://www.onsemi.com/pub/Collateral/FAN53555-D.pdf for details.
47 /* I2C-accessible byte-sized registers */
92 	uc_pdata->type = REGULATOR_TYPE_BUCK;  in fan53555_regulator_ofdata_to_platdata()
94 	sleep_vsel = dev_read_u32_default(dev, "fcs,suspend-voltage-selector",  in fan53555_regulator_ofdata_to_platdata()
98 	 * Depending on the device-tree settings, the 'normal mode'  in fan53555_regulator_ofdata_to_platdata()
99 	 * voltage is either controlled by VSEL0 or VSEL1.  in fan53555_regulator_ofdata_to_platdata()
103 		dev_pdata->sleep_reg = FAN53555_VSEL0;  in fan53555_regulator_ofdata_to_platdata()
104 		dev_pdata->vol_reg = FAN53555_VSEL1;  in fan53555_regulator_ofdata_to_platdata()
107 		dev_pdata->sleep_reg = FAN53555_VSEL1;  in fan53555_regulator_ofdata_to_platdata()
108 		dev_pdata->vol_reg = FAN53555_VSEL0;  in fan53555_regulator_ofdata_to_platdata()
111 		pr_err("%s: invalid vsel id %d\n", dev->name, sleep_vsel);  in fan53555_regulator_ofdata_to_platdata()
112 		return -EINVAL;  in fan53555_regulator_ofdata_to_platdata()
126 	reg = pmic_reg_read(dev->parent, pdata->vol_reg);  in fan53555_regulator_get_value()
129 	voltage = priv->vsel_min + (reg & 0x3f) * priv->vsel_step;  in fan53555_regulator_get_value()
141 	vol = (uV - priv->vsel_min) / priv->vsel_step;  in fan53555_regulator_set_value()
143 	      __func__, uV, pdata->vol_reg, vol);  in fan53555_regulator_set_value()
145 	return pmic_clrsetbits(dev, pdata->vol_reg, GENMASK(6, 0), vol);  in fan53555_regulator_set_value()
155 		if (ic_types[i].die_id != priv->die_id)  in fan53555_voltages_setup()
158 		if (ic_types[i].die_rev != priv->die_rev)  in fan53555_voltages_setup()
161 		priv->vsel_min = ic_types[i].vsel_min;  in fan53555_voltages_setup()
162 		priv->vsel_step = ic_types[i].vsel_step;  in fan53555_voltages_setup()
168 	       dev->name, __func__, priv->die_id, priv->die_rev);  in fan53555_voltages_setup()
169 	return -EINVAL;  in fan53555_voltages_setup()
187 	ID1 = pmic_reg_read(dev->parent, FAN53555_ID1);  in fan53555_probe()
191 	ID2 = pmic_reg_read(dev->parent, FAN53555_ID2);  in fan53555_probe()
196 	priv->vendor = bitfield_extract(ID1, 5, 3);  in fan53555_probe()
197 	priv->die_id = ID1 & GENMASK(3, 0);  in fan53555_probe()
198 	priv->die_rev = ID2 & GENMASK(3, 0);  in fan53555_probe()
201 		return -ENODATA;  in fan53555_probe()
204 	      __func__, priv->die_id, priv->die_rev);  in fan53555_probe()