1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * i2c-mux-gpio interface to platform code 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Peter Korsgaard <peter.korsgaard@barco.com> 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef _LINUX_I2C_MUX_GPIO_H 9*4882a593Smuzhiyun #define _LINUX_I2C_MUX_GPIO_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun /* MUX has no specific idle mode */ 12*4882a593Smuzhiyun #define I2C_MUX_GPIO_NO_IDLE ((unsigned)-1) 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /** 15*4882a593Smuzhiyun * struct i2c_mux_gpio_platform_data - Platform-dependent data for i2c-mux-gpio 16*4882a593Smuzhiyun * @parent: Parent I2C bus adapter number 17*4882a593Smuzhiyun * @base_nr: Base I2C bus number to number adapters from or zero for dynamic 18*4882a593Smuzhiyun * @values: Array of bitmasks of GPIO settings (low/high) for each 19*4882a593Smuzhiyun * position 20*4882a593Smuzhiyun * @n_values: Number of multiplexer positions (busses to instantiate) 21*4882a593Smuzhiyun * @classes: Optional I2C auto-detection classes 22*4882a593Smuzhiyun * @idle: Bitmask to write to MUX when idle or GPIO_I2CMUX_NO_IDLE if not used 23*4882a593Smuzhiyun */ 24*4882a593Smuzhiyun struct i2c_mux_gpio_platform_data { 25*4882a593Smuzhiyun int parent; 26*4882a593Smuzhiyun int base_nr; 27*4882a593Smuzhiyun const unsigned *values; 28*4882a593Smuzhiyun int n_values; 29*4882a593Smuzhiyun const unsigned *classes; 30*4882a593Smuzhiyun unsigned idle; 31*4882a593Smuzhiyun }; 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun #endif /* _LINUX_I2C_MUX_GPIO_H */ 34