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1// SPDX-License-Identifier: GPL-2.02/*3 * Analog Devices LTC2947 high precision power and energy monitor over SPI4 *5 * Copyright 2019 Analog Devices Inc.6 */7#include <linux/module.h>8#include <linux/of.h>9#include <linux/regmap.h>10#include <linux/spi/spi.h>11 12#include "ltc2947.h"13 14static const struct regmap_config ltc2947_regmap_config = {15 .reg_bits = 16,16 .val_bits = 8,17 .read_flag_mask = BIT(0),18};19 20static int ltc2947_probe(struct spi_device *spi)21{22 struct regmap *map;23 24 map = devm_regmap_init_spi(spi, <c2947_regmap_config);25 if (IS_ERR(map))26 return PTR_ERR(map);27 28 return ltc2947_core_probe(map, spi_get_device_id(spi)->name);29}30 31static const struct spi_device_id ltc2947_id[] = {32 {"ltc2947", 0},33 {}34};35MODULE_DEVICE_TABLE(spi, ltc2947_id);36 37static struct spi_driver ltc2947_driver = {38 .driver = {39 .name = "ltc2947",40 .of_match_table = ltc2947_of_match,41 .pm = pm_sleep_ptr(<c2947_pm_ops),42 },43 .probe = ltc2947_probe,44 .id_table = ltc2947_id,45};46module_spi_driver(ltc2947_driver);47 48MODULE_AUTHOR("Nuno Sa <nuno.sa@analog.com>");49MODULE_DESCRIPTION("LTC2947 SPI power and energy monitor driver");50MODULE_LICENSE("GPL");51