Commit | Line | Data |
---|---|---|
b3fdd327 YS |
1 | /* |
2 | * I2C multiplexer using a single register | |
3 | * | |
4 | * Copyright 2015 Freescale Semiconductor | |
5 | * York Sun <yorksun@freescale.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2 of the License, or (at your | |
10 | * option) any later version. | |
11 | */ | |
12 | ||
13 | #ifndef __LINUX_PLATFORM_DATA_I2C_MUX_REG_H | |
14 | #define __LINUX_PLATFORM_DATA_I2C_MUX_REG_H | |
15 | ||
16 | /** | |
17 | * struct i2c_mux_reg_platform_data - Platform-dependent data for i2c-mux-reg | |
18 | * @parent: Parent I2C bus adapter number | |
19 | * @base_nr: Base I2C bus number to number adapters from or zero for dynamic | |
20 | * @values: Array of value for each channel | |
21 | * @n_values: Number of multiplexer channels | |
22 | * @little_endian: Indicating if the register is in little endian | |
23 | * @write_only: Reading the register is not allowed by hardware | |
24 | * @classes: Optional I2C auto-detection classes | |
25 | * @idle: Value to write to mux when idle | |
26 | * @idle_in_use: indicate if idle value is in use | |
27 | * @reg: Virtual address of the register to switch channel | |
28 | * @reg_size: register size in bytes | |
29 | */ | |
30 | struct i2c_mux_reg_platform_data { | |
31 | int parent; | |
32 | int base_nr; | |
33 | const unsigned int *values; | |
34 | int n_values; | |
35 | bool little_endian; | |
36 | bool write_only; | |
37 | const unsigned int *classes; | |
38 | u32 idle; | |
39 | bool idle_in_use; | |
40 | void __iomem *reg; | |
41 | resource_size_t reg_size; | |
42 | }; | |
43 | ||
44 | #endif /* __LINUX_PLATFORM_DATA_I2C_MUX_REG_H */ |