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 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 INTERRUPT_CNT 33 tristate "Interrupt counter driver" 34 depends on GPIOLIB 35 help 36 Select this option to enable interrupt counter driver. Any interrupt 37 source can be used by this driver as the event source. 38 39 To compile this driver as a module, choose M here: the 40 module will be called interrupt-cnt. 41 42config STM32_TIMER_CNT 43 tristate "STM32 Timer encoder counter driver" 44 depends on MFD_STM32_TIMERS || COMPILE_TEST 45 help 46 Select this option to enable STM32 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-timer-cnt. 51 52config STM32_LPTIMER_CNT 53 tristate "STM32 LP Timer encoder counter driver" 54 depends on MFD_STM32_LPTIMER || COMPILE_TEST 55 help 56 Select this option to enable STM32 Low-Power Timer quadrature encoder 57 and counter driver. 58 59 To compile this driver as a module, choose M here: the 60 module will be called stm32-lptimer-cnt. 61 62config TI_EQEP 63 tristate "TI eQEP counter driver" 64 depends on (SOC_AM33XX || COMPILE_TEST) 65 select REGMAP_MMIO 66 help 67 Select this option to enable the Texas Instruments Enhanced Quadrature 68 Encoder Pulse (eQEP) counter driver. 69 70 To compile this driver as a module, choose M here: the module will be 71 called ti-eqep. 72 73config FTM_QUADDEC 74 tristate "Flex Timer Module Quadrature decoder driver" 75 depends on HAS_IOMEM && OF 76 help 77 Select this option to enable the Flex Timer Quadrature decoder 78 driver. 79 80 To compile this driver as a module, choose M here: the 81 module will be called ftm-quaddec. 82 83config MICROCHIP_TCB_CAPTURE 84 tristate "Microchip Timer Counter Capture driver" 85 depends on HAS_IOMEM && OF 86 select REGMAP_MMIO 87 help 88 Select this option to enable the Microchip Timer Counter Block 89 capture driver. 90 91 To compile this driver as a module, choose M here: the 92 module will be called microchip-tcb-capture. 93 94endif # COUNTER 95