| config I2C_MUX |
| bool "Support I2C multiplexers" |
| depends on DM_I2C |
| help |
| This enables I2C buses to be multiplexed, so that you can select |
| one of several buses using some sort of control mechanism. The |
| bus select is handled automatically when that bus is accessed, |
| using a suitable I2C MUX driver. |
| |
| config I2C_ARB_GPIO_CHALLENGE |
| bool "GPIO-based I2C arbitration" |
| depends on I2C_MUX |
| help |
| If you say yes to this option, support will be included for an |
| I2C multimaster arbitration scheme using GPIOs and a challenge & |
| response mechanism where masters have to claim the bus by asserting |
| a GPIO. |