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) || COMPILE_TEST 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. 27 28 The base port addresses for the devices may be configured via the base 29 array module parameter. The interrupt line numbers for the devices may 30 be configured via the irq array module parameter. 31 32config FTM_QUADDEC 33 tristate "Flex Timer Module Quadrature decoder driver" 34 depends on SOC_LS1021A || COMPILE_TEST 35 depends on HAS_IOMEM && OF 36 help 37 Select this option to enable the Flex Timer Quadrature decoder 38 driver. 39 40 To compile this driver as a module, choose M here: the 41 module will be called ftm-quaddec. 42 43config INTEL_QEP 44 tristate "Intel Quadrature Encoder Peripheral driver" 45 depends on X86 46 depends on PCI 47 help 48 Select this option to enable the Intel Quadrature Encoder Peripheral 49 driver. 50 51 To compile this driver as a module, choose M here: the module 52 will be called intel-qep. 53 54config INTERRUPT_CNT 55 tristate "Interrupt counter driver" 56 depends on GPIOLIB 57 help 58 Select this option to enable interrupt counter driver. Any interrupt 59 source can be used by this driver as the event source. 60 61 To compile this driver as a module, choose M here: the 62 module will be called interrupt-cnt. 63 64config MICROCHIP_TCB_CAPTURE 65 tristate "Microchip Timer Counter Capture driver" 66 depends on SOC_AT91SAM9 || SOC_SAM_V7 || COMPILE_TEST 67 depends on HAS_IOMEM && OF 68 select REGMAP_MMIO 69 help 70 Select this option to enable the Microchip Timer Counter Block 71 capture driver. 72 73 To compile this driver as a module, choose M here: the 74 module will be called microchip-tcb-capture. 75 76config RZ_MTU3_CNT 77 tristate "Renesas RZ/G2L MTU3a counter driver" 78 depends on RZ_MTU3 || COMPILE_TEST 79 help 80 Enable support for MTU3a counter driver found on Renesas RZ/G2L alike 81 SoCs. This IP supports both 16-bit and 32-bit phase counting mode 82 support. 83 84 To compile this driver as a module, choose M here: the 85 module will be called rz-mtu3-cnt. 86 87config STM32_LPTIMER_CNT 88 tristate "STM32 LP Timer encoder counter driver" 89 depends on MFD_STM32_LPTIMER || COMPILE_TEST 90 help 91 Select this option to enable STM32 Low-Power Timer quadrature encoder 92 and counter driver. 93 94 To compile this driver as a module, choose M here: the 95 module will be called stm32-lptimer-cnt. 96 97config STM32_TIMER_CNT 98 tristate "STM32 Timer encoder counter driver" 99 depends on MFD_STM32_TIMERS || COMPILE_TEST 100 help 101 Select this option to enable STM32 Timer quadrature encoder 102 and counter driver. 103 104 To compile this driver as a module, choose M here: the 105 module will be called stm32-timer-cnt. 106 107config TI_ECAP_CAPTURE 108 tristate "TI eCAP capture driver" 109 depends on ARCH_OMAP2PLUS || ARCH_DAVINCI_DA8XX || ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST 110 depends on HAS_IOMEM 111 select REGMAP_MMIO 112 help 113 Select this option to enable the Texas Instruments Enhanced Capture 114 (eCAP) driver in input mode. 115 116 It can be used to timestamp events (falling/rising edges) detected 117 on ECAP input signal. 118 119 To compile this driver as a module, choose M here: the module 120 will be called ti-ecap-capture. 121 122config TI_EQEP 123 tristate "TI eQEP counter driver" 124 depends on (SOC_AM33XX || COMPILE_TEST) 125 select REGMAP_MMIO 126 help 127 Select this option to enable the Texas Instruments Enhanced Quadrature 128 Encoder Pulse (eQEP) counter driver. 129 130 To compile this driver as a module, choose M here: the module will be 131 called ti-eqep. 132 133endif # COUNTER 134