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| -rw-r--r-- | drivers/counter/Kconfig | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/drivers/counter/Kconfig b/drivers/counter/Kconfig new file mode 100644 index 0000000000..497bc05dca --- /dev/null +++ b/drivers/counter/Kconfig @@ -0,0 +1,150 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Counter devices +# + +config I8254 + tristate + select COUNTER + select REGMAP + help + Enables support for the i8254 interface library functions. The i8254 + interface library provides functions to facilitate communication with + interfaces compatible with the venerable Intel 8254 Programmable + Interval Timer (PIT). The Intel 825x family of chips was first + released in the early 1980s but compatible interfaces are nowadays + typically found embedded in larger VLSI processing chips and FPGA + components. + + If built as a module its name will be i8254. + +menuconfig COUNTER + tristate "Counter support" + help + This enables counter device support through the Generic Counter + interface. You only need to enable this, if you also want to enable + one or more of the counter device drivers below. + +if COUNTER + +config 104_QUAD_8 + tristate "ACCES 104-QUAD-8 driver" + depends on (PC104 && X86) || COMPILE_TEST + depends on HAS_IOPORT_MAP + select ISA_BUS_API + select REGMAP_MMIO + help + Say yes here to build support for the ACCES 104-QUAD-8 quadrature + encoder counter/interface device family (104-QUAD-8, 104-QUAD-4). + + A counter's respective error flag may be cleared by performing a write + operation on the respective count value attribute. The 104-QUAD-8 + counters may be set either directly or via the counter's preset + attribute. + + The base port addresses for the devices may be configured via the base + array module parameter. The interrupt line numbers for the devices may + be configured via the irq array module parameter. + +config FTM_QUADDEC + tristate "Flex Timer Module Quadrature decoder driver" + depends on SOC_LS1021A || COMPILE_TEST + depends on HAS_IOMEM && OF + help + Select this option to enable the Flex Timer Quadrature decoder + driver. + + To compile this driver as a module, choose M here: the + module will be called ftm-quaddec. + +config INTEL_QEP + tristate "Intel Quadrature Encoder Peripheral driver" + depends on X86 + depends on PCI + help + Select this option to enable the Intel Quadrature Encoder Peripheral + driver. + + To compile this driver as a module, choose M here: the module + will be called intel-qep. + +config INTERRUPT_CNT + tristate "Interrupt counter driver" + depends on GPIOLIB + help + Select this option to enable interrupt counter driver. Any interrupt + source can be used by this driver as the event source. + + To compile this driver as a module, choose M here: the + module will be called interrupt-cnt. + +config MICROCHIP_TCB_CAPTURE + tristate "Microchip Timer Counter Capture driver" + depends on SOC_AT91SAM9 || SOC_SAM_V7 || COMPILE_TEST + depends on HAS_IOMEM && OF + select REGMAP_MMIO + help + Select this option to enable the Microchip Timer Counter Block + capture driver. + + To compile this driver as a module, choose M here: the + module will be called microchip-tcb-capture. + +config RZ_MTU3_CNT + tristate "Renesas RZ/G2L MTU3a counter driver" + depends on RZ_MTU3 + help + Enable support for MTU3a counter driver found on Renesas RZ/G2L alike + SoCs. This IP supports both 16-bit and 32-bit phase counting mode + support. + + To compile this driver as a module, choose M here: the + module will be called rz-mtu3-cnt. + +config STM32_LPTIMER_CNT + tristate "STM32 LP Timer encoder counter driver" + depends on MFD_STM32_LPTIMER || COMPILE_TEST + help + Select this option to enable STM32 Low-Power Timer quadrature encoder + and counter driver. + + To compile this driver as a module, choose M here: the + module will be called stm32-lptimer-cnt. + +config STM32_TIMER_CNT + tristate "STM32 Timer encoder counter driver" + depends on MFD_STM32_TIMERS || COMPILE_TEST + help + Select this option to enable STM32 Timer quadrature encoder + and counter driver. + + To compile this driver as a module, choose M here: the + module will be called stm32-timer-cnt. + +config TI_ECAP_CAPTURE + tristate "TI eCAP capture driver" + depends on ARCH_OMAP2PLUS || ARCH_DAVINCI_DA8XX || ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST + depends on HAS_IOMEM + select REGMAP_MMIO + help + Select this option to enable the Texas Instruments Enhanced Capture + (eCAP) driver in input mode. + + It can be used to timestamp events (falling/rising edges) detected + on ECAP input signal. + + To compile this driver as a module, choose M here: the module + will be called ti-ecap-capture. + +config TI_EQEP + tristate "TI eQEP counter driver" + depends on (SOC_AM33XX || COMPILE_TEST) + select REGMAP_MMIO + help + Select this option to enable the Texas Instruments Enhanced Quadrature + Encoder Pulse (eQEP) counter driver. + + To compile this driver as a module, choose M here: the module will be + called ti-eqep. + +endif # COUNTER |