| /* | |
| * gpio-i2cmux 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_GPIO_I2CMUX_H | |
| #define _LINUX_GPIO_I2CMUX_H | |
| /* MUX has no specific idle mode */ | |
| #define GPIO_I2CMUX_NO_IDLE ((unsigned)-1) | |
| /** | |
| * struct gpio_i2cmux_platform_data - Platform-dependent data for gpio-i2cmux | |
| * @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) | |
| * @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 gpio_i2cmux_platform_data { | |
| int parent; | |
| int base_nr; | |
| const unsigned *values; | |
| int n_values; | |
| const unsigned *gpios; | |
| int n_gpios; | |
| unsigned idle; | |
| }; | |
| #endif /* _LINUX_GPIO_I2CMUX_H */ |