| /* | |
| * i2c-mux-gpio interface to platform code | |
| * | |
| * Peter Korsgaard <peter.korsgaard@barco.com> | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License version 2 as | |
| * published by the Free Software Foundation. | |
| */ | |
| #ifndef _LINUX_I2C_MUX_GPIO_H | |
| #define _LINUX_I2C_MUX_GPIO_H | |
| /* MUX has no specific idle mode */ | |
| #define I2C_MUX_GPIO_NO_IDLE ((unsigned)-1) | |
| /** | |
| * struct i2c_mux_gpio_platform_data - Platform-dependent data for i2c-mux-gpio | |
| * @parent: Parent I2C bus adapter number | |
| * @base_nr: Base I2C bus number to number adapters from or zero for dynamic | |
| * @values: Array of bitmasks of GPIO settings (low/high) for each | |
| * position | |
| * @n_values: Number of multiplexer positions (busses to instantiate) | |
| * @classes: Optional I2C auto-detection classes | |
| * @gpio_chip: Optional GPIO chip name; if set, GPIO pin numbers are given | |
| * relative to the base GPIO number of that chip | |
| * @gpios: Array of GPIO numbers used to control MUX | |
| * @n_gpios: Number of GPIOs used to control MUX | |
| * @idle: Bitmask to write to MUX when idle or GPIO_I2CMUX_NO_IDLE if not used | |
| */ | |
| struct i2c_mux_gpio_platform_data { | |
| int parent; | |
| int base_nr; | |
| const unsigned *values; | |
| int n_values; | |
| const unsigned *classes; | |
| char *gpio_chip; | |
| const unsigned *gpios; | |
| int n_gpios; | |
| unsigned idle; | |
| }; | |
| #endif /* _LINUX_I2C_MUX_GPIO_H */ |