1# SPDX-License-Identifier: GPL-2.0-only 2# 3# Counter devices 4# 5 6menuconfig COUNTER 7 tristate "Counter support" 8 help 9 This enables counter device support through the Generic Counter 10 interface. You only need to enable this, if you also want to enable 11 one or more of the counter device drivers below. 12 13if COUNTER 14 15config 104_QUAD_8 16 tristate "ACCES 104-QUAD-8 driver" 17 depends on PC104 && X86 && IIO 18 select ISA_BUS_API 19 help 20 Say yes here to build support for the ACCES 104-QUAD-8 quadrature 21 encoder counter/interface device family (104-QUAD-8, 104-QUAD-4). 22 23 A counter's respective error flag may be cleared by performing a write 24 operation on the respective count value attribute. Although the 25 104-QUAD-8 counters have a 25-bit range, only the lower 24 bits may be 26 set, either directly or via the counter's preset attribute. Interrupts 27 are not supported by this driver. 28 29 The base port addresses for the devices may be configured via the base 30 array module parameter. 31 32config STM32_TIMER_CNT 33 tristate "STM32 Timer encoder counter driver" 34 depends on MFD_STM32_TIMERS || COMPILE_TEST 35 help 36 Select this option to enable STM32 Timer quadrature encoder 37 and counter driver. 38 39 To compile this driver as a module, choose M here: the 40 module will be called stm32-timer-cnt. 41 42config STM32_LPTIMER_CNT 43 tristate "STM32 LP Timer encoder counter driver" 44 depends on (MFD_STM32_LPTIMER || COMPILE_TEST) && IIO 45 help 46 Select this option to enable STM32 Low-Power Timer quadrature encoder 47 and counter driver. 48 49 To compile this driver as a module, choose M here: the 50 module will be called stm32-lptimer-cnt. 51 52config FTM_QUADDEC 53 tristate "Flex Timer Module Quadrature decoder driver" 54 help 55 Select this option to enable the Flex Timer Quadrature decoder 56 driver. 57 58 To compile this driver as a module, choose M here: the 59 module will be called ftm-quaddec. 60 61endif # COUNTER 62