| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * I2C multiplexer using a single register |
| * |
| * Copyright 2015 Freescale Semiconductor |
| * York Sun <[email protected]> |
| */ |
| |
| #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 */ |
