1# SPDX-License-Identifier: GPL-2.0 2# 3# Multiplexer devices 4# 5 6config MULTIPLEXER 7 bool 8 9config MUX_CORE 10 bool "Generic Multiplexer Support" 11 select MULTIPLEXER 12 help 13 This framework is designed to abstract multiplexer handling for 14 devices via various GPIO-, MMIO/Regmap or specific multiplexer 15 controller chips. 16 17 If unsure, say no. 18 19if MULTIPLEXER 20 21menu "Multiplexer drivers" 22 23config MUX_ADG792A 24 tristate "Analog Devices ADG792A/ADG792G Multiplexers" 25 depends on I2C 26 help 27 ADG792A and ADG792G Wide Bandwidth Triple 4:1 Multiplexers 28 29 The driver supports both operating the three multiplexers in 30 parallel and operating them independently. 31 32 To compile the driver as a module, choose M here: the module will 33 be called mux-adg792a. 34 35config MUX_ADGS1408 36 tristate "Analog Devices ADGS1408/ADGS1409 Multiplexers" 37 depends on SPI 38 help 39 ADGS1408 8:1 multiplexer and ADGS1409 double 4:1 multiplexer 40 switches. 41 42 To compile the driver as a module, choose M here: the module will 43 be called mux-adgs1408. 44 45config MUX_GPIO 46 tristate "GPIO-controlled Multiplexer" 47 depends on GPIOLIB || COMPILE_TEST 48 help 49 GPIO-controlled Multiplexer controller. 50 51 The driver builds a single multiplexer controller using a number 52 of gpio pins. For N pins, there will be 2^N possible multiplexer 53 states. The GPIO pins can be connected (by the hardware) to several 54 multiplexers, which in that case will be operated in parallel. 55 56 To compile the driver as a module, choose M here: the module will 57 be called mux-gpio. 58 59config MUX_MMIO 60 tristate "MMIO/Regmap register bitfield-controlled Multiplexer" 61 depends on OF 62 select REGMAP_MMIO 63 help 64 MMIO/Regmap register bitfield-controlled Multiplexer controller. 65 66 The driver builds multiplexer controllers for bitfields in either 67 a syscon register or a driver regmap register. For N bit wide 68 bitfields, there will be 2^N possible multiplexer states. 69 70 To compile the driver as a module, choose M here: the module will 71 be called mux-mmio. 72 73endmenu 74 75endif # MULTIPLEXER 76