1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * i2c-mux-gpio interface to platform code
4 *
5 * Peter Korsgaard <peter.korsgaard@barco.com>
6 */
7
8#ifndef _LINUX_I2C_MUX_GPIO_H
9#define _LINUX_I2C_MUX_GPIO_H
10
11/* MUX has no specific idle mode */
12#define I2C_MUX_GPIO_NO_IDLE ((unsigned)-1)
13
14/**
15 * struct i2c_mux_gpio_platform_data - Platform-dependent data for i2c-mux-gpio
16 * @parent: Parent I2C bus adapter number
17 * @base_nr: Base I2C bus number to number adapters from or zero for dynamic
18 * @values: Array of bitmasks of GPIO settings (low/high) for each
19 * position
20 * @n_values: Number of multiplexer positions (busses to instantiate)
21 * @classes: Optional I2C auto-detection classes
22 * @idle: Bitmask to write to MUX when idle or GPIO_I2CMUX_NO_IDLE if not used
23 */
24struct i2c_mux_gpio_platform_data {
25 int parent;
26 int base_nr;
27 const unsigned *values;
28 int n_values;
29 const unsigned *classes;
30 unsigned idle;
31};
32
33#endif /* _LINUX_I2C_MUX_GPIO_H */
34

source code of linux/include/linux/platform_data/i2c-mux-gpio.h