Blame view
include/linux/gpio-i2cmux.h
1.13 KB
92ed1a76c i2c: Add generic ... |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 |
/* * 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 */ |