diff options
Diffstat (limited to 'drivers/clocksource/Kconfig')
| -rw-r--r-- | drivers/clocksource/Kconfig | 399 |
1 files changed, 279 insertions, 120 deletions
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index a9e26f6a81a1..aa59e5b13351 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only menu "Clock Source drivers" depends on GENERIC_CLOCKEVENTS @@ -21,8 +22,9 @@ config CLKEVT_I8253 config I8253_LOCK bool -config OMAP_DM_TIMER +config OMAP_DM_SYSTIMER bool + select TIMER_OF config CLKBLD_I8253 def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK @@ -42,6 +44,11 @@ config BCM_KONA_TIMER 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 @@ -49,6 +56,13 @@ config DIGICOLOR_TIMER 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 @@ -59,6 +73,14 @@ config DW_APB_TIMER_OF select DW_APB_TIMER select TIMER_OF +config ECONET_EN751221_TIMER + bool "EcoNet EN751221 High Precision Timer" if COMPILE_TEST + depends on HAS_IOMEM + select CLKSRC_MMIO + select TIMER_OF + help + Support for CPU timer found on EcoNet MIPS based SoCs. + config FTTMR010_TIMER bool "Faraday Technology timer driver" if COMPILE_TEST depends on HAS_IOMEM @@ -69,13 +91,21 @@ config FTTMR010_TIMER 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. + Enables the support for the Rockchip timer driver. config ARMADA_370_XP_TIMER bool "Armada 370 and XP timer driver" if COMPILE_TEST @@ -107,12 +137,21 @@ config OWL_TIMER config RDA_TIMER bool "RDA timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS 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" if COMPILE_TEST depends on HAS_IOMEM @@ -131,10 +170,19 @@ config SUN5I_HSTIMER config TEGRA_TIMER bool "Tegra timer driver" if COMPILE_TEST select CLKSRC_MMIO - depends on ARM + 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 @@ -144,16 +192,17 @@ config VT8500_TIMER 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, - While TIMER0 serves as clockevent and TIMER1 serves as clocksource. + 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. + Enables support for the Cadence TTC driver. config ASM9260_TIMER bool "ASM9260 timer driver" if COMPILE_TEST @@ -175,39 +224,20 @@ config CLKSRC_DBX500_PRCMU bool "Clocksource PRCMU Timer" if COMPILE_TEST depends on HAS_IOMEM help - Use the always on PRCMU Timer as clocksource + Use the always on PRCMU Timer as clocksource. config CLPS711X_TIMER - bool "Cirrus logic timer driver" if COMPILE_TEST + 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 + 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. + Enables support for the MXS timer. config NSPIRE_TIMER bool "NSpire timer driver" if COMPILE_TEST @@ -223,19 +253,10 @@ config KEYSTONE_TIMER Enables support for the Keystone timer. config INTEGRATOR_AP_TIMER - bool "Integrator-ap timer driver" if COMPILE_TEST + bool "Integrator-AP timer driver" if COMPILE_TEST select CLKSRC_MMIO help - Enables support for the Integrator-ap timer. - -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. + Enables support for the Integrator-AP timer. config CLKSRC_LPC32XX bool "Clocksource for LPC32XX" if COMPILE_TEST @@ -247,8 +268,9 @@ config CLKSRC_LPC32XX Support for the LPC32XX clocksource. config CLKSRC_PISTACHIO - bool "Clocksource for Pistachio SoC" if COMPILE_TEST + 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. @@ -261,22 +283,16 @@ config CLKSRC_TI_32K 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_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 @@ -290,14 +306,14 @@ config ARC_TIMERS 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 + 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) + 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. @@ -360,16 +376,41 @@ config ARM64_ERRATUM_858921 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 options enables support for the ARM global timer unit + This option enables support for the ARM global timer unit. + +config ARM_GT_INITIAL_PRESCALER_VAL + int "ARM global timer initial prescaler value" + default 0 + 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. + Use 0 to use auto-detection in the driver. config ARM_TIMER_SP804 bool "Support for Dual Timer SP804 module" - depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP + depends on ARM || ARM64 || COMPILE_TEST + depends on GENERIC_SCHED_CLOCK && HAVE_CLK select CLKSRC_MMIO select TIMER_OF if OF @@ -378,18 +419,21 @@ config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK depends on ARM_GLOBAL_TIMER default y help - Use ARM global timer clock source as sched_clock + 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 + 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 - def_bool SOC_AT91SAM9 || SOC_SAMA5 + help + Support for the Periodic Interval Timer found on Atmel SoCs. config ATMEL_ST bool "Atmel ST timer support" if COMPILE_TEST @@ -399,15 +443,24 @@ config ATMEL_ST help Support for the Atmel ST timer. +config ATMEL_TCB_CLKSRC + bool "Atmel TC Block timer driver" if COMPILE_TEST + depends on ARM && OF && HAS_IOMEM + select TIMER_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 @@ -421,21 +474,17 @@ config FSL_FTM_TIMER help Support for Freescale FlexTimer Module (FTM) timer. -config VF_PIT_TIMER - bool +config NXP_PIT_TIMER + bool "NXP Periodic Interrupt Timer" if COMPILE_TEST 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. + Support for Periodic Interrupt Timer on Freescale / NXP + SoCs. This periodic timer is found on the Vybrid Family and + the Automotive S32G2/3 platforms. It contains 4 channels + where two can be coupled to form a 64 bits channel. config SYS_SUPPORTS_SH_CMT - bool + bool config MTK_TIMER bool "Mediatek timer driver" if COMPILE_TEST @@ -445,6 +494,15 @@ config MTK_TIMER 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 @@ -455,13 +513,13 @@ config SPRD_TIMER Enables support for the Spreadtrum timer driver. config SYS_SUPPORTS_SH_MTU2 - bool + bool config SYS_SUPPORTS_SH_TMU - bool + bool config SYS_SUPPORTS_EM_STI - bool + bool config CLKSRC_JCORE_PIT bool "J-Core PIT timer driver" if COMPILE_TEST @@ -488,11 +546,13 @@ config SH_TIMER_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. + This hardware comes with 16-bit timer registers. config RENESAS_OSTM - bool "Renesas OSTM timer driver" if COMPILE_TEST + 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. @@ -524,28 +584,20 @@ config CLKSRC_QCOM config CLKSRC_VERSATILE bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST - depends on GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET + depends on GENERIC_SCHED_CLOCK select TIMER_OF - default y if MFD_VEXPRESS_SYSREG + 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, RealView and Versatile Express reference - platforms. + ARM Versatile and Versatile Express reference platforms. config CLKSRC_MIPS_GIC bool depends on MIPS_GIC + select CLOCKSOURCE_WATCHDOG 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 @@ -554,39 +606,36 @@ config CLKSRC_PXA 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 || ARM64) && CLKDEV_LOOKUP + 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 && CLKDEV_LOOKUP + 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 @@ -596,19 +645,17 @@ config CLKSRC_ST_LPC 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 +config GXP_TIMER + bool "GXP timer driver" if COMPILE_TEST && !ARCH_HPE + default ARCH_HPE + select TIMER_OF if OF help - This option enables support for the Andestech ATCPIT100 timers. + 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" - depends on GENERIC_SCHED_CLOCK && RISCV - default y + 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 @@ -616,6 +663,15 @@ config RISCV_TIMER 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 @@ -623,8 +679,8 @@ config CSKY_MP_TIMER 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. + 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 @@ -634,4 +690,107 @@ config GX6605S_TIMER 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. + +config RALINK_TIMER + bool "Ralink System Tick Counter" + depends on SOC_RT305X || SOC_MT7620 || COMPILE_TEST + select CLKSRC_MMIO + select TIMER_OF + help + Enables support for system tick counter present on + Ralink SoCs RT3352 and MT7620. + +config NXP_STM_TIMER + bool "NXP System Timer Module driver" + depends on ARCH_S32 || COMPILE_TEST + select CLKSRC_MMIO + help + Enables the support for NXP System Timer Module found in the + s32g NXP platform series. + +config RTK_SYSTIMER + bool "Realtek SYSTIMER support" + depends on ARM || ARM64 + depends on ARCH_REALTEK || COMPILE_TEST + select TIMER_OF + help + This option enables the driver that registers the global 1 MHz hardware + counter as a clock event device on Realtek SoCs. Make sure to enable + this option only when building for a Realtek platform or for compilation + testing. + endmenu |