166 lines
3.7 KiB
C
166 lines
3.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2015 Intel Corporation Inc.
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*/
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#include <linux/mod_devicetable.h>
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#include <linux/module.h>
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#include <linux/property.h>
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#include <linux/spi/spi.h>
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#include <linux/regmap.h>
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#include <linux/iio/iio.h>
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#include "inv_mpu_iio.h"
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static const struct regmap_config inv_mpu_regmap_config = {
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.reg_bits = 8,
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.val_bits = 8,
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};
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static int inv_mpu_i2c_disable(struct iio_dev *indio_dev)
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{
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struct inv_mpu6050_state *st = iio_priv(indio_dev);
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int ret = 0;
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if (st->reg->i2c_if) {
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ret = regmap_write(st->map, st->reg->i2c_if,
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INV_ICM20602_BIT_I2C_IF_DIS);
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} else {
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st->chip_config.user_ctrl |= INV_MPU6050_BIT_I2C_IF_DIS;
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ret = regmap_write(st->map, st->reg->user_ctrl,
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st->chip_config.user_ctrl);
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}
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return ret;
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}
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static int inv_mpu_probe(struct spi_device *spi)
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{
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const void *match;
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struct regmap *regmap;
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const struct spi_device_id *spi_id;
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const char *name = NULL;
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enum inv_devices chip_type;
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if ((spi_id = spi_get_device_id(spi))) {
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chip_type = (enum inv_devices)spi_id->driver_data;
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name = spi_id->name;
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} else if ((match = device_get_match_data(&spi->dev))) {
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chip_type = (uintptr_t)match;
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name = dev_name(&spi->dev);
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} else {
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return -ENODEV;
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}
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regmap = devm_regmap_init_spi(spi, &inv_mpu_regmap_config);
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if (IS_ERR(regmap)) {
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dev_err(&spi->dev, "Failed to register spi regmap: %pe\n",
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regmap);
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return PTR_ERR(regmap);
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}
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return inv_mpu_core_probe(regmap, spi->irq, name,
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inv_mpu_i2c_disable, chip_type);
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}
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/*
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* device id table is used to identify what device can be
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* supported by this driver
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*/
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static const struct spi_device_id inv_mpu_id[] = {
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{"mpu6000", INV_MPU6000},
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{"mpu6500", INV_MPU6500},
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{"mpu6515", INV_MPU6515},
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{"mpu6880", INV_MPU6880},
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{"mpu9250", INV_MPU9250},
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{"mpu9255", INV_MPU9255},
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{"icm20608", INV_ICM20608},
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{"icm20608d", INV_ICM20608D},
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{"icm20609", INV_ICM20609},
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{"icm20689", INV_ICM20689},
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{"icm20602", INV_ICM20602},
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{"icm20690", INV_ICM20690},
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{"iam20680", INV_IAM20680},
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{}
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};
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MODULE_DEVICE_TABLE(spi, inv_mpu_id);
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static const struct of_device_id inv_of_match[] = {
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{
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.compatible = "invensense,mpu6000",
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.data = (void *)INV_MPU6000
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},
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{
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.compatible = "invensense,mpu6500",
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.data = (void *)INV_MPU6500
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},
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{
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.compatible = "invensense,mpu6515",
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.data = (void *)INV_MPU6515
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},
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{
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.compatible = "invensense,mpu6880",
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.data = (void *)INV_MPU6880
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},
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{
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.compatible = "invensense,mpu9250",
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.data = (void *)INV_MPU9250
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},
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{
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.compatible = "invensense,mpu9255",
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.data = (void *)INV_MPU9255
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},
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{
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.compatible = "invensense,icm20608",
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.data = (void *)INV_ICM20608
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},
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{
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.compatible = "invensense,icm20608d",
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.data = (void *)INV_ICM20608D
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},
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{
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.compatible = "invensense,icm20609",
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.data = (void *)INV_ICM20609
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},
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{
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.compatible = "invensense,icm20689",
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.data = (void *)INV_ICM20689
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},
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{
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.compatible = "invensense,icm20602",
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.data = (void *)INV_ICM20602
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},
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{
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.compatible = "invensense,icm20690",
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.data = (void *)INV_ICM20690
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},
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{
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.compatible = "invensense,iam20680",
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.data = (void *)INV_IAM20680
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},
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{ }
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};
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MODULE_DEVICE_TABLE(of, inv_of_match);
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static const struct acpi_device_id inv_acpi_match[] = {
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{"INVN6000", INV_MPU6000},
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{ },
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};
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MODULE_DEVICE_TABLE(acpi, inv_acpi_match);
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static struct spi_driver inv_mpu_driver = {
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.probe = inv_mpu_probe,
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.id_table = inv_mpu_id,
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.driver = {
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.of_match_table = inv_of_match,
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.acpi_match_table = inv_acpi_match,
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.name = "inv-mpu6000-spi",
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.pm = &inv_mpu_pmops,
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},
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};
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module_spi_driver(inv_mpu_driver);
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MODULE_AUTHOR("Adriana Reus <adriana.reus@intel.com>");
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MODULE_DESCRIPTION("Invensense device MPU6000 driver");
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MODULE_LICENSE("GPL");
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