| Thomas Gleixner | 2874c5f | 2019-05-27 08:55:01 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| York Sun | b3fdd32 | 2015-08-17 11:53:48 -0700 | [diff] [blame] | 2 | /* |
| 3 | * I2C multiplexer using a single register |
| 4 | * |
| 5 | * Copyright 2015 Freescale Semiconductor |
| 6 | * York Sun <yorksun@freescale.com> |
| York Sun | b3fdd32 | 2015-08-17 11:53:48 -0700 | [diff] [blame] | 7 | */ |
| 8 | |
| 9 | #ifndef __LINUX_PLATFORM_DATA_I2C_MUX_REG_H |
| 10 | #define __LINUX_PLATFORM_DATA_I2C_MUX_REG_H |
| 11 | |
| 12 | /** |
| 13 | * struct i2c_mux_reg_platform_data - Platform-dependent data for i2c-mux-reg |
| 14 | * @parent: Parent I2C bus adapter number |
| 15 | * @base_nr: Base I2C bus number to number adapters from or zero for dynamic |
| 16 | * @values: Array of value for each channel |
| 17 | * @n_values: Number of multiplexer channels |
| 18 | * @little_endian: Indicating if the register is in little endian |
| 19 | * @write_only: Reading the register is not allowed by hardware |
| 20 | * @classes: Optional I2C auto-detection classes |
| 21 | * @idle: Value to write to mux when idle |
| 22 | * @idle_in_use: indicate if idle value is in use |
| 23 | * @reg: Virtual address of the register to switch channel |
| 24 | * @reg_size: register size in bytes |
| 25 | */ |
| 26 | struct i2c_mux_reg_platform_data { |
| 27 | int parent; |
| 28 | int base_nr; |
| 29 | const unsigned int *values; |
| 30 | int n_values; |
| 31 | bool little_endian; |
| 32 | bool write_only; |
| 33 | const unsigned int *classes; |
| 34 | u32 idle; |
| 35 | bool idle_in_use; |
| 36 | void __iomem *reg; |
| 37 | resource_size_t reg_size; |
| 38 | }; |
| 39 | |
| 40 | #endif /* __LINUX_PLATFORM_DATA_I2C_MUX_REG_H */ |