projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| 92ed1a76 | 1 | /* |
| e7065e20 | 2 | * i2c-mux-gpio interface to platform code |
| 92ed1a76 PK |
3 | * |
| 4 | * Peter Korsgaard <peter.korsgaard@barco.com> | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License version 2 as | |
| 8 | * published by the Free Software Foundation. | |
| 9 | */ | |
| 10 | ||
| e7065e20 JD |
11 | #ifndef _LINUX_I2C_MUX_GPIO_H |
| 12 | #define _LINUX_I2C_MUX_GPIO_H | |
| 92ed1a76 PK |
13 | |
| 14 | /* MUX has no specific idle mode */ | |
| e7065e20 | 15 | #define I2C_MUX_GPIO_NO_IDLE ((unsigned)-1) |
| 92ed1a76 PK |
16 | |
| 17 | /** | |
| e7065e20 | 18 | * struct i2c_mux_gpio_platform_data - Platform-dependent data for i2c-mux-gpio |
| 92ed1a76 PK |
19 | * @parent: Parent I2C bus adapter number |
| 20 | * @base_nr: Base I2C bus number to number adapters from or zero for dynamic | |
| 21 | * @values: Array of bitmasks of GPIO settings (low/high) for each | |
| 22 | * position | |
| 23 | * @n_values: Number of multiplexer positions (busses to instantiate) | |
| eee543e8 | 24 | * @classes: Optional I2C auto-detection classes |
| e7ee5140 JD |
25 | * @gpio_chip: Optional GPIO chip name; if set, GPIO pin numbers are given |
| 26 | * relative to the base GPIO number of that chip | |
| 92ed1a76 PK |
27 | * @gpios: Array of GPIO numbers used to control MUX |
| 28 | * @n_gpios: Number of GPIOs used to control MUX | |
| 29 | * @idle: Bitmask to write to MUX when idle or GPIO_I2CMUX_NO_IDLE if not used | |
| 30 | */ | |
| e7065e20 | 31 | struct i2c_mux_gpio_platform_data { |
| 92ed1a76 PK |
32 | int parent; |
| 33 | int base_nr; | |
| 34 | const unsigned *values; | |
| 35 | int n_values; | |
| eee543e8 | 36 | const unsigned *classes; |
| e7ee5140 | 37 | char *gpio_chip; |
| 92ed1a76 PK |
38 | const unsigned *gpios; |
| 39 | int n_gpios; | |
| 40 | unsigned idle; | |
| 41 | }; | |
| 42 | ||
| e7065e20 | 43 | #endif /* _LINUX_I2C_MUX_GPIO_H */ |