linux-hardened/include/linux/i2c-mux-gpio.h
Jean Delvare e7065e20d9 i2c: Rename last mux driver to standard pattern
Update the MAINTAINERS entry and all other references accordingly.

Based on an original patch by Wolfram Sang.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Peter Korsgaard <peter.korsgaard@barco.com>

[wsa: fixed merge conflict due to rework in i2c_add_mux_adapter()]

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
2012-05-12 14:28:18 +02:00

38 lines
1.1 KiB
C

/*
* 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)
* @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 *gpios;
int n_gpios;
unsigned idle;
};
#endif /* _LINUX_I2C_MUX_GPIO_H */