| # SPDX-License-Identifier: GPL-2.0-only |
| 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_SYSTIMER |
| bool |
| select TIMER_OF |
| |
| 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 DAVINCI_TIMER |
| bool "Texas Instruments DaVinci timer driver" if COMPILE_TEST |
| help |
| Enables the support for the TI DaVinci 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 OMAP_DM_TIMER |
| bool "OMAP dual-mode timer driver" if ARCH_K3 || COMPILE_TEST |
| default y if ARCH_K3 |
| select TIMER_OF |
| help |
| Enables the support for the TI dual-mode 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 IXP4XX_TIMER |
| bool "Intel XScale IXP4xx timer driver" if COMPILE_TEST |
| depends on HAS_IOMEM |
| select CLKSRC_MMIO |
| select TIMER_OF |
| help |
| Enables support for the Intel XScale IXP4xx SoC timer. |
| |
| 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 RDA_TIMER |
| bool "RDA timer driver" if COMPILE_TEST |
| select CLKSRC_MMIO |
| select TIMER_OF |
| help |
| Enables the support for the RDA Micro timer driver. |
| |
| config REALTEK_OTTO_TIMER |
| bool "Clocksource/timer for the Realtek Otto platform" if COMPILE_TEST |
| select TIMER_OF |
| help |
| This driver adds support for the timers found in the Realtek RTL83xx |
| and RTL93xx SoCs series. This includes chips such as RTL8380, RTL8381 |
| and RTL832, as well as chips from the RTL839x series, such as RTL8390 |
| RT8391, RTL8392, RTL8393 and RTL8396 and chips of the RTL930x series |
| such as RTL9301, RTL9302 or RTL9303. |
| |
| config SUN4I_TIMER |
| bool "Sun4i timer driver" |
| 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 |
| select TIMER_OF |
| depends on ARCH_TEGRA || COMPILE_TEST |
| help |
| Enables support for the Tegra driver. |
| |
| config TEGRA186_TIMER |
| bool "NVIDIA Tegra186 timer driver" |
| depends on ARCH_TEGRA || COMPILE_TEST |
| depends on WATCHDOG && WATCHDOG_CORE |
| help |
| Enables support for the timers and watchdogs found on NVIDIA |
| Tegra186 and later SoCs. |
| |
| 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 TIMER_OF |
| select CLKSRC_MMIO |
| help |
| Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture, |
| where 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_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 MXS_TIMER |
| bool "MXS timer driver" if COMPILE_TEST |
| select CLKSRC_MMIO |
| select STMP_DEVICE |
| help |
| Enables support for the MXS 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_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" |
| depends on HAS_IOMEM |
| depends on MIPS || COMPILE_TEST |
| 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_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_STM32_LP |
| bool "Low power clocksource for STM32 SoCs" |
| depends on MFD_STM32_LPTIMER || COMPILE_TEST |
| |
| 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 |
| depends on GENERIC_SCHED_CLOCK |
| 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 SUN50I_ERRATUM_UNKNOWN1 |
| bool "Workaround for Allwinner A64 erratum UNKNOWN1" |
| default y |
| depends on ARM_ARCH_TIMER && ARM64 && ARCH_SUNXI |
| select ARM_ARCH_TIMER_OOL_WORKAROUND |
| help |
| This option enables a workaround for instability in the timer on |
| the Allwinner A64 SoC. The workaround will only be active if the |
| allwinner,erratum-unknown1 property is found in the timer node. |
| |
| config ARM_GLOBAL_TIMER |
| bool "Support for the ARM global timer" if COMPILE_TEST |
| select TIMER_OF if OF |
| depends on ARM |
| help |
| This option enables support for the ARM global timer unit. |
| |
| config ARM_GT_INITIAL_PRESCALER_VAL |
| int "ARM global timer initial prescaler value" |
| default 2 if ARCH_ZYNQ |
| default 1 |
| depends on ARM_GLOBAL_TIMER |
| help |
| When the ARM global timer initializes, its current rate is declared |
| to the kernel and maintained forever. Should its parent clock |
| change, the driver tries to fix the timer's internal prescaler. |
| On some machs (i.e. Zynq) the initial prescaler value thus poses |
| bounds about how much the parent clock is allowed to decrease or |
| increase wrt the initial clock value. |
| This affects CPU_FREQ max delta from the initial frequency. |
| |
| config ARM_TIMER_SP804 |
| bool "Support for Dual Timer SP804 module" if COMPILE_TEST |
| depends on GENERIC_SCHED_CLOCK && HAVE_CLK |
| 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 option enables support for the ARMv7M system timer unit. |
| |
| config ATMEL_PIT |
| bool "Atmel PIT support" if COMPILE_TEST |
| depends on HAS_IOMEM |
| select TIMER_OF if OF |
| help |
| Support for the Periodic Interval Timer found on Atmel SoCs. |
| |
| 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 ATMEL_TCB_CLKSRC |
| bool "Atmel TC Block timer driver" if COMPILE_TEST |
| depends on ARM && HAS_IOMEM |
| select TIMER_OF if OF |
| help |
| Support for Timer Counter Blocks on Atmel SoCs. |
| |
| config CLKSRC_EXYNOS_MCT |
| bool "Exynos multi core timer driver" if COMPILE_TEST |
| depends on ARM || ARM64 |
| depends on ARCH_ARTPEC || ARCH_EXYNOS || COMPILE_TEST |
| 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 |
| depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST |
| 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 Periodic Interrupt Timer on Freescale Vybrid Family SoCs. |
| |
| 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 MTK_CPUX_TIMER |
| bool "MediaTek CPUX timer driver" if COMPILE_TEST |
| depends on HAS_IOMEM |
| default ARCH_MEDIATEK |
| select TIMER_OF |
| select CLKSRC_MMIO |
| help |
| Support for MediaTek CPUXGPT 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" |
| depends on ARCH_RENESAS || COMPILE_TEST |
| select CLKSRC_MMIO |
| select TIMER_OF |
| 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 |
| select TIMER_OF |
| default y if (ARCH_VEXPRESS || ARCH_VERSATILE) && ARM |
| help |
| This option enables clock source based on free running |
| counter available in the "System Registers" block of |
| ARM Versatile and Versatile Express reference platforms. |
| |
| config CLKSRC_MIPS_GIC |
| bool |
| depends on MIPS_GIC |
| select CLOCKSOURCE_WATCHDOG |
| select TIMER_OF |
| |
| 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 CLKSRC_IMX_GPT |
| bool "Clocksource using i.MX GPT" if COMPILE_TEST |
| depends on (ARM || ARM64) && HAVE_CLK |
| select CLKSRC_MMIO |
| |
| config CLKSRC_IMX_TPM |
| bool "Clocksource using i.MX TPM" if COMPILE_TEST |
| depends on (ARM || ARM64) && HAVE_CLK |
| select CLKSRC_MMIO |
| select TIMER_OF |
| help |
| Enable this option to use IMX Timer/PWM Module (TPM) timer as |
| clocksource. |
| |
| config TIMER_IMX_SYS_CTR |
| bool "i.MX system counter timer" if COMPILE_TEST |
| select TIMER_OF |
| help |
| Enable this option to use i.MX system counter timer as a |
| clockevent. |
| |
| config CLKSRC_LOONGSON1_PWM |
| bool "Clocksource using Loongson1 PWM" |
| depends on MACH_LOONGSON32 || COMPILE_TEST |
| select MIPS_EXTERNAL_TIMER |
| select TIMER_OF |
| help |
| Enable this option to use Loongson1 PWM timer as clocksource |
| instead of the performance counter. |
| |
| 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 GXP_TIMER |
| bool "GXP timer driver" if COMPILE_TEST && !ARCH_HPE |
| default ARCH_HPE |
| select TIMER_OF if OF |
| help |
| Provides a driver for the timer control found on HPE |
| GXP SOCs. This is required for all GXP SOCs. |
| |
| config RISCV_TIMER |
| bool "Timer for the RISC-V platform" if COMPILE_TEST |
| depends on GENERIC_SCHED_CLOCK && RISCV && RISCV_SBI |
| 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 CLINT_TIMER |
| bool "CLINT Timer for the RISC-V platform" if COMPILE_TEST |
| depends on GENERIC_SCHED_CLOCK && RISCV |
| select TIMER_PROBE |
| select TIMER_OF |
| help |
| This option enables the CLINT timer for RISC-V systems. The CLINT |
| driver is usually used for NoMMU 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 in |
| single core system. It's not a mmio reg and it uses 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. |
| |
| config MILBEAUT_TIMER |
| bool "Milbeaut timer driver" if COMPILE_TEST |
| depends on OF |
| depends on ARM |
| select TIMER_OF |
| select CLKSRC_MMIO |
| help |
| Enables the support for Milbeaut timer driver. |
| |
| config MSC313E_TIMER |
| bool "MSC313E timer driver" if COMPILE_TEST |
| select TIMER_OF |
| select CLKSRC_MMIO |
| help |
| Enables support for the MStar MSC313E timer driver. |
| This provides access to multiple interrupt generating |
| programmable 32-bit free running incrementing counters. |
| |
| config INGENIC_TIMER |
| bool "Clocksource/timer using the TCU in Ingenic JZ SoCs" |
| default MACH_INGENIC |
| depends on MIPS || COMPILE_TEST |
| depends on COMMON_CLK |
| select MFD_SYSCON |
| select TIMER_OF |
| select IRQ_DOMAIN |
| help |
| Support for the timer/counter unit of the Ingenic JZ SoCs. |
| |
| config INGENIC_SYSOST |
| bool "Clocksource/timer using the SYSOST in Ingenic X SoCs" |
| depends on MIPS || COMPILE_TEST |
| depends on COMMON_CLK |
| select MFD_SYSCON |
| select TIMER_OF |
| select IRQ_DOMAIN |
| help |
| Support for the SYSOST of the Ingenic X Series SoCs. |
| |
| config INGENIC_OST |
| bool "Clocksource using the OST in Ingenic JZ SoCs" |
| depends on MIPS || COMPILE_TEST |
| depends on COMMON_CLK |
| select MFD_SYSCON |
| help |
| Support for the Operating System Timer of the Ingenic JZ SoCs. |
| |
| config MICROCHIP_PIT64B |
| bool "Microchip PIT64B support" |
| depends on OF && ARM |
| select TIMER_OF |
| help |
| This option enables Microchip PIT64B timer for Atmel |
| based system. It supports the oneshot, the periodic |
| modes and high resolution. It is used as a clocksource |
| and a clockevent. |
| |
| config GOLDFISH_TIMER |
| bool "Clocksource using goldfish-rtc" |
| depends on M68K || COMPILE_TEST |
| depends on RTC_DRV_GOLDFISH |
| help |
| Support for the timer/counter of goldfish-rtc |
| |
| config EP93XX_TIMER |
| bool "Cirrus Logic ep93xx timer driver" if COMPILE_TEST |
| depends on ARCH_EP93XX |
| depends on GENERIC_CLOCKEVENTS |
| depends on HAS_IOMEM |
| select CLKSRC_MMIO |
| select TIMER_OF |
| help |
| Enables support for the Cirrus Logic timer block |
| EP93XX. |
| |
| endmenu |
