mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-23 09:56:16 +07:00
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
|
/*
|
||
|
|
* 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 */
|