i2c-mux-reg.h
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/*
* I2C multiplexer using a single register
*
* Copyright 2015 Freescale Semiconductor
* York Sun <yorksun@freescale.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#ifndef __LINUX_PLATFORM_DATA_I2C_MUX_REG_H
#define __LINUX_PLATFORM_DATA_I2C_MUX_REG_H
/**
* struct i2c_mux_reg_platform_data - Platform-dependent data for i2c-mux-reg
* @parent: Parent I2C bus adapter number
* @base_nr: Base I2C bus number to number adapters from or zero for dynamic
* @values: Array of value for each channel
* @n_values: Number of multiplexer channels
* @little_endian: Indicating if the register is in little endian
* @write_only: Reading the register is not allowed by hardware
* @classes: Optional I2C auto-detection classes
* @idle: Value to write to mux when idle
* @idle_in_use: indicate if idle value is in use
* @reg: Virtual address of the register to switch channel
* @reg_size: register size in bytes
*/
struct i2c_mux_reg_platform_data {
int parent;
int base_nr;
const unsigned int *values;
int n_values;
bool little_endian;
bool write_only;
const unsigned int *classes;
u32 idle;
bool idle_in_use;
void __iomem *reg;
resource_size_t reg_size;
};
#endif /* __LINUX_PLATFORM_DATA_I2C_MUX_REG_H */