642 lines
17 KiB
Plaintext
642 lines
17 KiB
Plaintext
menu "Clock Source drivers"
|
|
depends on GENERIC_CLOCKEVENTS
|
|
|
|
config TIMER_OF
|
|
bool
|
|
select TIMER_PROBE
|
|
|
|
config TIMER_ACPI
|
|
bool
|
|
select TIMER_PROBE
|
|
|
|
config TIMER_PROBE
|
|
bool
|
|
|
|
config CLKSRC_I8253
|
|
bool
|
|
|
|
config CLKEVT_I8253
|
|
bool
|
|
|
|
config I8253_LOCK
|
|
bool
|
|
|
|
config OMAP_DM_TIMER
|
|
bool
|
|
|
|
config CLKBLD_I8253
|
|
def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK
|
|
|
|
config CLKSRC_MMIO
|
|
bool
|
|
|
|
config BCM2835_TIMER
|
|
bool "BCM2835 timer driver" if COMPILE_TEST
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enables the support for the BCM2835 timer driver.
|
|
|
|
config BCM_KONA_TIMER
|
|
bool "BCM mobile timer driver" if COMPILE_TEST
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enables the support for the BCM Kona mobile timer driver.
|
|
|
|
config DIGICOLOR_TIMER
|
|
bool "Digicolor timer driver" if COMPILE_TEST
|
|
select CLKSRC_MMIO
|
|
depends on HAS_IOMEM
|
|
help
|
|
Enables the support for the digicolor timer driver.
|
|
|
|
config DW_APB_TIMER
|
|
bool "DW APB timer driver" if COMPILE_TEST
|
|
help
|
|
Enables the support for the dw_apb timer.
|
|
|
|
config DW_APB_TIMER_OF
|
|
bool
|
|
select DW_APB_TIMER
|
|
select TIMER_OF
|
|
|
|
config FTTMR010_TIMER
|
|
bool "Faraday Technology timer driver" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
select CLKSRC_MMIO
|
|
select TIMER_OF
|
|
select MFD_SYSCON
|
|
help
|
|
Enables support for the Faraday Technology timer block
|
|
FTTMR010.
|
|
|
|
config ROCKCHIP_TIMER
|
|
bool "Rockchip timer driver" if COMPILE_TEST
|
|
depends on ARM || ARM64
|
|
select TIMER_OF
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enables the support for the rockchip timer driver.
|
|
|
|
config ARMADA_370_XP_TIMER
|
|
bool "Armada 370 and XP timer driver" if COMPILE_TEST
|
|
depends on ARM
|
|
select TIMER_OF
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enables the support for the Armada 370 and XP timer driver.
|
|
|
|
config MESON6_TIMER
|
|
bool "Meson6 timer driver" if COMPILE_TEST
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enables the support for the Meson6 timer driver.
|
|
|
|
config ORION_TIMER
|
|
bool "Orion timer driver" if COMPILE_TEST
|
|
depends on ARM
|
|
select TIMER_OF
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enables the support for the Orion timer driver
|
|
|
|
config OWL_TIMER
|
|
bool "Owl timer driver" if COMPILE_TEST
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enables the support for the Actions Semi Owl timer driver.
|
|
|
|
config SUN4I_TIMER
|
|
bool "Sun4i timer driver" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
select CLKSRC_MMIO
|
|
select TIMER_OF
|
|
help
|
|
Enables support for the Sun4i timer.
|
|
|
|
config SUN5I_HSTIMER
|
|
bool "Sun5i timer driver" if COMPILE_TEST
|
|
select CLKSRC_MMIO
|
|
depends on COMMON_CLK
|
|
help
|
|
Enables support the Sun5i timer.
|
|
|
|
config TEGRA_TIMER
|
|
bool "Tegra timer driver" if COMPILE_TEST
|
|
select CLKSRC_MMIO
|
|
depends on ARM
|
|
help
|
|
Enables support for the Tegra driver.
|
|
|
|
config VT8500_TIMER
|
|
bool "VT8500 timer driver" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
help
|
|
Enables support for the VT8500 driver.
|
|
|
|
config NPCM7XX_TIMER
|
|
bool "NPCM7xx timer driver" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture,
|
|
While TIMER0 serves as clockevent and TIMER1 serves as clocksource.
|
|
|
|
config CADENCE_TTC_TIMER
|
|
bool "Cadence TTC timer driver" if COMPILE_TEST
|
|
depends on COMMON_CLK
|
|
help
|
|
Enables support for the cadence ttc driver.
|
|
|
|
config ASM9260_TIMER
|
|
bool "ASM9260 timer driver" if COMPILE_TEST
|
|
select CLKSRC_MMIO
|
|
select TIMER_OF
|
|
help
|
|
Enables support for the ASM9260 timer.
|
|
|
|
config CLKSRC_NOMADIK_MTU
|
|
bool "Nomakdik clocksource driver" if COMPILE_TEST
|
|
depends on ARM
|
|
select CLKSRC_MMIO
|
|
help
|
|
Support for Multi Timer Unit. MTU provides access
|
|
to multiple interrupt generating programmable
|
|
32-bit free running decrementing counters.
|
|
|
|
config CLKSRC_NOMADIK_MTU_SCHED_CLOCK
|
|
bool
|
|
depends on CLKSRC_NOMADIK_MTU
|
|
help
|
|
Use the Multi Timer Unit as the sched_clock.
|
|
|
|
config CLKSRC_DBX500_PRCMU
|
|
bool "Clocksource PRCMU Timer" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
help
|
|
Use the always on PRCMU Timer as clocksource
|
|
|
|
config CLPS711X_TIMER
|
|
bool "Cirrus logic timer driver" if COMPILE_TEST
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enables support for the Cirrus Logic PS711 timer.
|
|
|
|
config ATLAS7_TIMER
|
|
bool "Atlas7 timer driver" if COMPILE_TEST
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enables support for the Atlas7 timer.
|
|
|
|
config MXS_TIMER
|
|
bool "Mxs timer driver" if COMPILE_TEST
|
|
select CLKSRC_MMIO
|
|
select STMP_DEVICE
|
|
help
|
|
Enables support for the Mxs timer.
|
|
|
|
config PRIMA2_TIMER
|
|
bool "Prima2 timer driver" if COMPILE_TEST
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enables support for the Prima2 timer.
|
|
|
|
config U300_TIMER
|
|
bool "U300 timer driver" if COMPILE_TEST
|
|
depends on ARM
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enables support for the U300 timer.
|
|
|
|
config NSPIRE_TIMER
|
|
bool "NSpire timer driver" if COMPILE_TEST
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enables support for the Nspire timer.
|
|
|
|
config KEYSTONE_TIMER
|
|
bool "Keystone timer driver" if COMPILE_TEST
|
|
depends on ARM || ARM64
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enables support for the Keystone timer.
|
|
|
|
config INTEGRATOR_AP_TIMER
|
|
bool "Integrator-ap timer driver" if COMPILE_TEST
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enables support for the Integrator-ap timer.
|
|
|
|
config CLKSRC_DBX500_PRCMU_SCHED_CLOCK
|
|
bool "Clocksource PRCMU Timer sched_clock"
|
|
depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK)
|
|
default y
|
|
help
|
|
Use the always on PRCMU Timer as sched_clock
|
|
|
|
config CLKSRC_EFM32
|
|
bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32
|
|
depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST)
|
|
select CLKSRC_MMIO
|
|
default ARCH_EFM32
|
|
help
|
|
Support to use the timers of EFM32 SoCs as clock source and clock
|
|
event device.
|
|
|
|
config CLKSRC_LPC32XX
|
|
bool "Clocksource for LPC32XX" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
depends on ARM
|
|
select CLKSRC_MMIO
|
|
select TIMER_OF
|
|
help
|
|
Support for the LPC32XX clocksource.
|
|
|
|
config CLKSRC_PISTACHIO
|
|
bool "Clocksource for Pistachio SoC" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
select TIMER_OF
|
|
help
|
|
Enables the clocksource for the Pistachio SoC.
|
|
|
|
config CLKSRC_TI_32K
|
|
bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST
|
|
depends on GENERIC_SCHED_CLOCK
|
|
select TIMER_OF if OF
|
|
help
|
|
This option enables support for Texas Instruments 32.768 Hz clocksource
|
|
available on many OMAP-like platforms.
|
|
|
|
config CLKSRC_NPS
|
|
bool "NPS400 clocksource driver" if COMPILE_TEST
|
|
depends on !PHYS_ADDR_T_64BIT
|
|
select CLKSRC_MMIO
|
|
select TIMER_OF if OF
|
|
help
|
|
NPS400 clocksource support.
|
|
Got 64 bit counter with update rate up to 1000MHz.
|
|
This counter is accessed via couple of 32 bit memory mapped registers.
|
|
|
|
config CLKSRC_STM32
|
|
bool "Clocksource for STM32 SoCs" if !ARCH_STM32
|
|
depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST)
|
|
select CLKSRC_MMIO
|
|
select TIMER_OF
|
|
|
|
config CLKSRC_MPS2
|
|
bool "Clocksource for MPS2 SoCs" if COMPILE_TEST
|
|
depends on GENERIC_SCHED_CLOCK
|
|
select CLKSRC_MMIO
|
|
select TIMER_OF
|
|
|
|
config ARC_TIMERS
|
|
bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST
|
|
select TIMER_OF
|
|
help
|
|
These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores
|
|
(ARC700 as well as ARC HS38).
|
|
TIMER0 serves as clockevent while TIMER1 provides clocksource
|
|
|
|
config ARC_TIMERS_64BIT
|
|
bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST
|
|
depends on ARC_TIMERS
|
|
select TIMER_OF
|
|
help
|
|
This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP)
|
|
RTC is implemented inside the core, while GFRC sits outside the core in
|
|
ARConnect IP block. Driver automatically picks one of them for clocksource
|
|
as appropriate.
|
|
|
|
config ARM_ARCH_TIMER
|
|
bool
|
|
select TIMER_OF if OF
|
|
select TIMER_ACPI if ACPI
|
|
|
|
config ARM_ARCH_TIMER_EVTSTREAM
|
|
bool "Enable ARM architected timer event stream generation by default"
|
|
default y if ARM_ARCH_TIMER
|
|
depends on ARM_ARCH_TIMER
|
|
help
|
|
This option enables support by default for event stream generation
|
|
based on the ARM architected timer. It is used for waking up CPUs
|
|
executing the wfe instruction at a frequency represented as a
|
|
power-of-2 divisor of the clock rate. The behaviour can also be
|
|
overridden on the command line using the
|
|
clocksource.arm_arch_timer.evtstream parameter.
|
|
The main use of the event stream is wfe-based timeouts of userspace
|
|
locking implementations. It might also be useful for imposing timeout
|
|
on wfe to safeguard against any programming errors in case an expected
|
|
event is not generated.
|
|
This must be disabled for hardware validation purposes to detect any
|
|
hardware anomalies of missing events.
|
|
|
|
config ARM_ARCH_TIMER_OOL_WORKAROUND
|
|
bool
|
|
|
|
config FSL_ERRATUM_A008585
|
|
bool "Workaround for Freescale/NXP Erratum A-008585"
|
|
default y
|
|
depends on ARM_ARCH_TIMER && ARM64
|
|
select ARM_ARCH_TIMER_OOL_WORKAROUND
|
|
help
|
|
This option enables a workaround for Freescale/NXP Erratum
|
|
A-008585 ("ARM generic timer may contain an erroneous
|
|
value"). The workaround will only be active if the
|
|
fsl,erratum-a008585 property is found in the timer node.
|
|
|
|
config HISILICON_ERRATUM_161010101
|
|
bool "Workaround for Hisilicon Erratum 161010101"
|
|
default y
|
|
select ARM_ARCH_TIMER_OOL_WORKAROUND
|
|
depends on ARM_ARCH_TIMER && ARM64
|
|
help
|
|
This option enables a workaround for Hisilicon Erratum
|
|
161010101. The workaround will be active if the hisilicon,erratum-161010101
|
|
property is found in the timer node.
|
|
|
|
config ARM64_ERRATUM_858921
|
|
bool "Workaround for Cortex-A73 erratum 858921"
|
|
default y
|
|
select ARM_ARCH_TIMER_OOL_WORKAROUND
|
|
depends on ARM_ARCH_TIMER && ARM64
|
|
help
|
|
This option enables a workaround applicable to Cortex-A73
|
|
(all versions), whose counter may return incorrect values.
|
|
The workaround will be dynamically enabled when an affected
|
|
core is detected.
|
|
|
|
config ARM_GLOBAL_TIMER
|
|
bool "Support for the ARM global timer" if COMPILE_TEST
|
|
select TIMER_OF if OF
|
|
depends on ARM
|
|
help
|
|
This options enables support for the ARM global timer unit
|
|
|
|
config ARM_TIMER_SP804
|
|
bool "Support for Dual Timer SP804 module"
|
|
depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP
|
|
select CLKSRC_MMIO
|
|
select TIMER_OF if OF
|
|
|
|
config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
|
|
bool
|
|
depends on ARM_GLOBAL_TIMER
|
|
default y
|
|
help
|
|
Use ARM global timer clock source as sched_clock
|
|
|
|
config ARMV7M_SYSTICK
|
|
bool "Support for the ARMv7M system time" if COMPILE_TEST
|
|
select TIMER_OF if OF
|
|
select CLKSRC_MMIO
|
|
help
|
|
This options enables support for the ARMv7M system timer unit
|
|
|
|
config ATMEL_PIT
|
|
select TIMER_OF if OF
|
|
def_bool SOC_AT91SAM9 || SOC_SAMA5
|
|
|
|
config ATMEL_ST
|
|
bool "Atmel ST timer support" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
select TIMER_OF
|
|
select MFD_SYSCON
|
|
help
|
|
Support for the Atmel ST timer.
|
|
|
|
config CLKSRC_EXYNOS_MCT
|
|
bool "Exynos multi core timer driver" if COMPILE_TEST
|
|
depends on ARM || ARM64
|
|
help
|
|
Support for Multi Core Timer controller on Exynos SoCs.
|
|
|
|
config CLKSRC_SAMSUNG_PWM
|
|
bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
help
|
|
This is a new clocksource driver for the PWM timer found in
|
|
Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver
|
|
for all devicetree enabled platforms. This driver will be
|
|
needed only on systems that do not have the Exynos MCT available.
|
|
|
|
config FSL_FTM_TIMER
|
|
bool "Freescale FlexTimer Module driver" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
select CLKSRC_MMIO
|
|
help
|
|
Support for Freescale FlexTimer Module (FTM) timer.
|
|
|
|
config VF_PIT_TIMER
|
|
bool
|
|
select CLKSRC_MMIO
|
|
help
|
|
Support for Period Interrupt Timer on Freescale Vybrid Family SoCs.
|
|
|
|
config OXNAS_RPS_TIMER
|
|
bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST
|
|
select TIMER_OF
|
|
select CLKSRC_MMIO
|
|
help
|
|
This enables support for the Oxford Semiconductor OXNAS RPS timers.
|
|
|
|
config SYS_SUPPORTS_SH_CMT
|
|
bool
|
|
|
|
config MTK_TIMER
|
|
bool "Mediatek timer driver" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
select TIMER_OF
|
|
select CLKSRC_MMIO
|
|
help
|
|
Support for Mediatek timer driver.
|
|
|
|
config SPRD_TIMER
|
|
bool "Spreadtrum timer driver" if EXPERT
|
|
depends on HAS_IOMEM
|
|
depends on (ARCH_SPRD || COMPILE_TEST)
|
|
default ARCH_SPRD
|
|
select TIMER_OF
|
|
help
|
|
Enables support for the Spreadtrum timer driver.
|
|
|
|
config SYS_SUPPORTS_SH_MTU2
|
|
bool
|
|
|
|
config SYS_SUPPORTS_SH_TMU
|
|
bool
|
|
|
|
config SYS_SUPPORTS_EM_STI
|
|
bool
|
|
|
|
config CLKSRC_JCORE_PIT
|
|
bool "J-Core PIT timer driver" if COMPILE_TEST
|
|
depends on OF
|
|
depends on HAS_IOMEM
|
|
select CLKSRC_MMIO
|
|
help
|
|
This enables build of clocksource and clockevent driver for
|
|
the integrated PIT in the J-Core synthesizable, open source SoC.
|
|
|
|
config SH_TIMER_CMT
|
|
bool "Renesas CMT timer driver" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
default SYS_SUPPORTS_SH_CMT
|
|
help
|
|
This enables build of a clocksource and clockevent driver for
|
|
the Compare Match Timer (CMT) hardware available in 16/32/48-bit
|
|
variants on a wide range of Mobile and Automotive SoCs from Renesas.
|
|
|
|
config SH_TIMER_MTU2
|
|
bool "Renesas MTU2 timer driver" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
default SYS_SUPPORTS_SH_MTU2
|
|
help
|
|
This enables build of a clockevent driver for the Multi-Function
|
|
Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas.
|
|
This hardware comes with 16 bit-timer registers.
|
|
|
|
config RENESAS_OSTM
|
|
bool "Renesas OSTM timer driver" if COMPILE_TEST
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enables the support for the Renesas OSTM.
|
|
|
|
config SH_TIMER_TMU
|
|
bool "Renesas TMU timer driver" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
default SYS_SUPPORTS_SH_TMU
|
|
help
|
|
This enables build of a clocksource and clockevent driver for
|
|
the 32-bit Timer Unit (TMU) hardware available on a wide range
|
|
SoCs from Renesas.
|
|
|
|
config EM_TIMER_STI
|
|
bool "Renesas STI timer driver" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
default SYS_SUPPORTS_EM_STI
|
|
help
|
|
This enables build of a clocksource and clockevent driver for
|
|
the 48-bit System Timer (STI) hardware available on a SoCs
|
|
such as EMEV2 from former NEC Electronics.
|
|
|
|
config CLKSRC_QCOM
|
|
bool "Qualcomm MSM timer" if COMPILE_TEST
|
|
depends on ARM
|
|
select TIMER_OF
|
|
help
|
|
This enables the clocksource and the per CPU clockevent driver for the
|
|
Qualcomm SoCs.
|
|
|
|
config CLKSRC_VERSATILE
|
|
bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST
|
|
depends on GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET
|
|
select TIMER_OF
|
|
default y if MFD_VEXPRESS_SYSREG
|
|
help
|
|
This option enables clock source based on free running
|
|
counter available in the "System Registers" block of
|
|
ARM Versatile, RealView and Versatile Express reference
|
|
platforms.
|
|
|
|
config CLKSRC_MIPS_GIC
|
|
bool
|
|
depends on MIPS_GIC
|
|
select TIMER_OF
|
|
|
|
config CLKSRC_TANGO_XTAL
|
|
bool "Clocksource for Tango SoC" if COMPILE_TEST
|
|
depends on ARM
|
|
select TIMER_OF
|
|
select CLKSRC_MMIO
|
|
help
|
|
This enables the clocksource for Tango SoC
|
|
|
|
config CLKSRC_PXA
|
|
bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
select CLKSRC_MMIO
|
|
help
|
|
This enables OST0 support available on PXA and SA-11x0
|
|
platforms.
|
|
|
|
config H8300_TMR8
|
|
bool "Clockevent timer for the H8300 platform" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
help
|
|
This enables the 8 bits timer for the H8300 platform.
|
|
|
|
config H8300_TMR16
|
|
bool "Clockevent timer for the H83069 platform" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
help
|
|
This enables the 16 bits timer for the H8300 platform with the
|
|
H83069 cpu.
|
|
|
|
config H8300_TPU
|
|
bool "Clocksource for the H8300 platform" if COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
help
|
|
This enables the clocksource for the H8300 platform with the
|
|
H8S2678 cpu.
|
|
|
|
config CLKSRC_IMX_GPT
|
|
bool "Clocksource using i.MX GPT" if COMPILE_TEST
|
|
depends on ARM && CLKDEV_LOOKUP
|
|
select CLKSRC_MMIO
|
|
|
|
config CLKSRC_IMX_TPM
|
|
bool "Clocksource using i.MX TPM" if COMPILE_TEST
|
|
depends on ARM && CLKDEV_LOOKUP
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enable this option to use IMX Timer/PWM Module (TPM) timer as
|
|
clocksource.
|
|
|
|
config CLKSRC_ST_LPC
|
|
bool "Low power clocksource found in the LPC" if COMPILE_TEST
|
|
select TIMER_OF if OF
|
|
depends on HAS_IOMEM
|
|
select CLKSRC_MMIO
|
|
help
|
|
Enable this option to use the Low Power controller timer
|
|
as clocksource.
|
|
|
|
config ATCPIT100_TIMER
|
|
bool "ATCPIT100 timer driver"
|
|
depends on NDS32 || COMPILE_TEST
|
|
depends on HAS_IOMEM
|
|
select TIMER_OF
|
|
default NDS32
|
|
help
|
|
This option enables support for the Andestech ATCPIT100 timers.
|
|
|
|
config RISCV_TIMER
|
|
bool "Timer for the RISC-V platform"
|
|
depends on RISCV
|
|
default y
|
|
select TIMER_PROBE
|
|
select TIMER_OF
|
|
help
|
|
This enables the per-hart timer built into all RISC-V systems, which
|
|
is accessed via both the SBI and the rdcycle instruction. This is
|
|
required for all RISC-V systems.
|
|
|
|
config CSKY_MP_TIMER
|
|
bool "SMP Timer for the C-SKY platform" if COMPILE_TEST
|
|
depends on CSKY
|
|
select TIMER_OF
|
|
help
|
|
Say yes here to enable C-SKY SMP timer driver used for C-SKY SMP
|
|
system.
|
|
csky,mptimer is not only used in SMP system, it also could be used
|
|
single core system. It's not a mmio reg and it use mtcr/mfcr instruction.
|
|
|
|
config GX6605S_TIMER
|
|
bool "Gx6605s SOC system timer driver" if COMPILE_TEST
|
|
depends on CSKY
|
|
select CLKSRC_MMIO
|
|
select TIMER_OF
|
|
help
|
|
This option enables support for gx6605s SOC's timer.
|
|
|
|
endmenu
|