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- /*
- * 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 */
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