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161 lines
3.6 KiB
161 lines
3.6 KiB
// 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/module.h> |
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#include <linux/acpi.h> |
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#include <linux/of.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 = (enum inv_devices)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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{"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,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 = ACPI_PTR(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 <[email protected]>"); |
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MODULE_DESCRIPTION("Invensense device MPU6000 driver"); |
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MODULE_LICENSE("GPL");
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