|  | # SPDX-License-Identifier: GPL-2.0 | 
|  | # | 
|  | # Multiplexer devices | 
|  | # | 
|  |  | 
|  | config MULTIPLEXER | 
|  | tristate | 
|  |  | 
|  | menu "Multiplexer drivers" | 
|  | depends on MULTIPLEXER | 
|  |  | 
|  | config MUX_ADG792A | 
|  | tristate "Analog Devices ADG792A/ADG792G Multiplexers" | 
|  | depends on I2C | 
|  | help | 
|  | ADG792A and ADG792G Wide Bandwidth Triple 4:1 Multiplexers | 
|  |  | 
|  | The driver supports both operating the three multiplexers in | 
|  | parallel and operating them independently. | 
|  |  | 
|  | To compile the driver as a module, choose M here: the module will | 
|  | be called mux-adg792a. | 
|  |  | 
|  | config MUX_ADGS1408 | 
|  | tristate "Analog Devices ADGS1408/ADGS1409 Multiplexers" | 
|  | depends on SPI | 
|  | help | 
|  | ADGS1408 8:1 multiplexer and ADGS1409 double 4:1 multiplexer | 
|  | switches. | 
|  |  | 
|  | To compile the driver as a module, choose M here: the module will | 
|  | be called mux-adgs1408. | 
|  |  | 
|  | config MUX_GPIO | 
|  | tristate "GPIO-controlled Multiplexer" | 
|  | depends on GPIOLIB || COMPILE_TEST | 
|  | help | 
|  | GPIO-controlled Multiplexer controller. | 
|  |  | 
|  | The driver builds a single multiplexer controller using a number | 
|  | of gpio pins. For N pins, there will be 2^N possible multiplexer | 
|  | states. The GPIO pins can be connected (by the hardware) to several | 
|  | multiplexers, which in that case will be operated in parallel. | 
|  |  | 
|  | To compile the driver as a module, choose M here: the module will | 
|  | be called mux-gpio. | 
|  |  | 
|  | config MUX_MMIO | 
|  | tristate "MMIO/Regmap register bitfield-controlled Multiplexer" | 
|  | depends on OF || COMPILE_TEST | 
|  | help | 
|  | MMIO/Regmap register bitfield-controlled Multiplexer controller. | 
|  |  | 
|  | The driver builds multiplexer controllers for bitfields in either | 
|  | a syscon register or a driver regmap register. For N bit wide | 
|  | bitfields, there will be 2^N possible multiplexer states. | 
|  |  | 
|  | To compile the driver as a module, choose M here: the module will | 
|  | be called mux-mmio. | 
|  |  | 
|  | endmenu |