drivers/regulator/rt4803.c

1 // SPDX-License-Identifier: GPL-2.0-only
14 #include <linux/regulator/driver.h>
15 #include <linux/regulator/of_regulator.h>
51 		return -EINVAL;  in rt4803_set_mode()
54 	modeval <<= ffs(RT4803_MODE_MASK) - 1;  in rt4803_set_mode()
69 	modeval >>= ffs(RT4803_MODE_MASK) - 1;  in rt4803_get_mode()
113 	if (rdev->desc->vsel_reg == RT4803_REG_VSELL)  in rt4803_set_suspend_voltage()
118 	vsel = (uV - rdev->desc->min_uV) / rdev->desc->uV_step;  in rt4803_set_suspend_voltage()
119 	vsel <<= ffs(RT4803_VSEL_MASK) - 1;  in rt4803_set_suspend_voltage()
154 	struct device *dev = &i2c->dev;  in rt4803_probe()
164 		return -ENOMEM;  in rt4803_probe()
175 	vsel_act_high = device_property_read_bool(dev, "richtek,vsel-active-high");  in rt4803_probe()
177 	desc->name = "rt4803-regulator";  in rt4803_probe()
178 	desc->type = REGULATOR_VOLTAGE;  in rt4803_probe()
179 	desc->owner = THIS_MODULE;  in rt4803_probe()
180 	desc->ops = &rt4803_regulator_ops;  in rt4803_probe()
181 	desc->min_uV = RT4803_VOUT_MINUV;  in rt4803_probe()
182 	desc->uV_step = RT4803_VOUT_STEPUV;  in rt4803_probe()
183 	desc->n_voltages = RT4803_VOUT_NUM;  in rt4803_probe()
184 	desc->vsel_mask = RT4803_VSEL_MASK;  in rt4803_probe()
185 	desc->of_map_mode = rt4803_of_map_mode;  in rt4803_probe()
187 		desc->vsel_reg = RT4803_REG_VSELH;  in rt4803_probe()
189 		desc->vsel_reg = RT4803_REG_VSELL;  in rt4803_probe()
200 	{ .compatible = "richtek,rt4803" },
207 		.name = "rt4803",
214 MODULE_DESCRIPTION("Richtek RT4803 voltage regulator driver");