1 // SPDX-License-Identifier: GPL-2.0+
3  * mpq7932.c - hwmon with optional regulator driver for mps mpq7932
39 	PMBUS_REGULATOR_STEP("buck", 0, MPQ7932_N_VOLTAGES,
41 	PMBUS_REGULATOR_STEP("buck", 1, MPQ7932_N_VOLTAGES,
43 	PMBUS_REGULATOR_STEP("buck", 2, MPQ7932_N_VOLTAGES,
45 	PMBUS_REGULATOR_STEP("buck", 3, MPQ7932_N_VOLTAGES,
47 	PMBUS_REGULATOR_STEP("buck", 4, MPQ7932_N_VOLTAGES,
49 	PMBUS_REGULATOR_STEP("buck", 5, MPQ7932_N_VOLTAGES,
54 	PMBUS_REGULATOR_STEP_ONE("buck", MPQ7932_N_VOLTAGES,
65 	 * access results -EREMOTEIO  in mpq7932_write_word_data()
71 		return -ENODATA;  in mpq7932_write_word_data()
92 	 * access results in -EREMOTEIO  in mpq7932_read_word_data()
98 		return -ENODATA;  in mpq7932_read_word_data()
106 	struct device *dev = &client->dev;  in mpq7932_probe()
111 		return -ENOMEM;  in mpq7932_probe()
113 	info = &data->info;  in mpq7932_probe()
114 	info->pages = (int)(unsigned long)device_get_match_data(&client->dev);  in mpq7932_probe()
115 	info->format[PSC_VOLTAGE_OUT] = direct;  in mpq7932_probe()
116 	info->m[PSC_VOLTAGE_OUT] = 160;  in mpq7932_probe()
117 	info->b[PSC_VOLTAGE_OUT] = -33;  in mpq7932_probe()
118 	for (i = 0; i < info->pages; i++) {  in mpq7932_probe()
119 		info->func[i] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT  in mpq7932_probe()
124 	info->num_regulators = info->pages;  in mpq7932_probe()
125 	if (info->num_regulators == 1)  in mpq7932_probe()
126 		info->reg_desc = mpq7932_regulators_desc_one;  in mpq7932_probe()
128 		info->reg_desc = mpq7932_regulators_desc;  in mpq7932_probe()
131 	info->read_word_data = mpq7932_read_word_data;  in mpq7932_probe()
132 	info->write_word_data = mpq7932_write_word_data;  in mpq7932_probe()
134 	data->pdata.flags = PMBUS_NO_CAPABILITY;  in mpq7932_probe()
135 	dev->platform_data = &data->pdata;  in mpq7932_probe()