1# SPDX-License-Identifier: GPL-2.0-only 2menuconfig SIOX 3 tristate "Eckelmann SIOX Support" 4 help 5 SIOX stands for Serial Input Output eXtension and is a synchronous 6 bus system invented by Eckelmann AG. It is used in their control and 7 remote monitoring systems for commercial and industrial refrigeration 8 to drive additional I/O units. 9 10 Unless you know better, it is probably safe to say "no" here. 11 12if SIOX 13 14config SIOX_BUS_GPIO 15 tristate "SIOX GPIO bus driver" 16 help 17 SIOX bus driver that controls the four bus lines using GPIOs. 18 19endif 20