1 /*
2 * Copyright (c) 2024 TDK Invensense
3 * Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
4 *
5 * SPDX-License-Identifier: Apache-2.0
6 */
7
8 /*
9 * Bus-specific functionality for ICM42670 accessed via I2C.
10 */
11
12 #include "icm42670.h"
13
14 #if CONFIG_I2C
icm42670_bus_check_i2c(const union icm42670_bus * bus)15 static int icm42670_bus_check_i2c(const union icm42670_bus *bus)
16 {
17 return device_is_ready(bus->i2c.bus) ? 0 : -ENODEV;
18 }
19
icm42670_reg_read_i2c(const union icm42670_bus * bus,uint8_t reg,uint8_t * buf,uint32_t size)20 static int icm42670_reg_read_i2c(const union icm42670_bus *bus, uint8_t reg, uint8_t *buf,
21 uint32_t size)
22 {
23 return i2c_burst_read_dt(&bus->i2c, reg, buf, size);
24 }
25
icm42670_reg_write_i2c(const union icm42670_bus * bus,uint8_t reg,uint8_t * buf,uint32_t size)26 static int icm42670_reg_write_i2c(const union icm42670_bus *bus, uint8_t reg, uint8_t *buf,
27 uint32_t size)
28 {
29 return i2c_burst_write_dt(&bus->i2c, reg, buf, size);
30 }
31
32 const struct icm42670_bus_io icm42670_bus_io_i2c = {
33 .check = icm42670_bus_check_i2c,
34 .read = icm42670_reg_read_i2c,
35 .write = icm42670_reg_write_i2c,
36 };
37 #endif /* CONFIG_I2C */
38
