1# SPDX-License-Identifier: GPL-2.0-only 2menu "Clock Source drivers" 3 depends on GENERIC_CLOCKEVENTS 4 5config TIMER_OF 6 bool 7 select TIMER_PROBE 8 9config TIMER_ACPI 10 bool 11 select TIMER_PROBE 12 13config TIMER_PROBE 14 bool 15 16config CLKSRC_I8253 17 bool 18 19config CLKEVT_I8253 20 bool 21 22config I8253_LOCK 23 bool 24 25config OMAP_DM_TIMER 26 bool 27 select TIMER_OF 28 29config CLKBLD_I8253 30 def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK 31 32config CLKSRC_MMIO 33 bool 34 35config BCM2835_TIMER 36 bool "BCM2835 timer driver" if COMPILE_TEST 37 select CLKSRC_MMIO 38 help 39 Enables the support for the BCM2835 timer driver. 40 41config BCM_KONA_TIMER 42 bool "BCM mobile timer driver" if COMPILE_TEST 43 select CLKSRC_MMIO 44 help 45 Enables the support for the BCM Kona mobile timer driver. 46 47config DAVINCI_TIMER 48 bool "Texas Instruments DaVinci timer driver" if COMPILE_TEST 49 help 50 Enables the support for the TI DaVinci timer driver. 51 52config DIGICOLOR_TIMER 53 bool "Digicolor timer driver" if COMPILE_TEST 54 select CLKSRC_MMIO 55 depends on HAS_IOMEM 56 help 57 Enables the support for the digicolor timer driver. 58 59config DW_APB_TIMER 60 bool "DW APB timer driver" if COMPILE_TEST 61 help 62 Enables the support for the dw_apb timer. 63 64config DW_APB_TIMER_OF 65 bool 66 select DW_APB_TIMER 67 select TIMER_OF 68 69config FTTMR010_TIMER 70 bool "Faraday Technology timer driver" if COMPILE_TEST 71 depends on HAS_IOMEM 72 select CLKSRC_MMIO 73 select TIMER_OF 74 select MFD_SYSCON 75 help 76 Enables support for the Faraday Technology timer block 77 FTTMR010. 78 79config IXP4XX_TIMER 80 bool "Intel XScale IXP4xx timer driver" if COMPILE_TEST 81 depends on HAS_IOMEM 82 select CLKSRC_MMIO 83 select TIMER_OF if OF 84 help 85 Enables support for the Intel XScale IXP4xx SoC timer. 86 87config ROCKCHIP_TIMER 88 bool "Rockchip timer driver" if COMPILE_TEST 89 depends on ARM || ARM64 90 select TIMER_OF 91 select CLKSRC_MMIO 92 help 93 Enables the support for the Rockchip timer driver. 94 95config ARMADA_370_XP_TIMER 96 bool "Armada 370 and XP timer driver" if COMPILE_TEST 97 depends on ARM 98 select TIMER_OF 99 select CLKSRC_MMIO 100 help 101 Enables the support for the Armada 370 and XP timer driver. 102 103config MESON6_TIMER 104 bool "Meson6 timer driver" if COMPILE_TEST 105 select CLKSRC_MMIO 106 help 107 Enables the support for the Meson6 timer driver. 108 109config ORION_TIMER 110 bool "Orion timer driver" if COMPILE_TEST 111 depends on ARM 112 select TIMER_OF 113 select CLKSRC_MMIO 114 help 115 Enables the support for the Orion timer driver 116 117config OWL_TIMER 118 bool "Owl timer driver" if COMPILE_TEST 119 select CLKSRC_MMIO 120 help 121 Enables the support for the Actions Semi Owl timer driver. 122 123config RDA_TIMER 124 bool "RDA timer driver" if COMPILE_TEST 125 select CLKSRC_MMIO 126 select TIMER_OF 127 help 128 Enables the support for the RDA Micro timer driver. 129 130config SUN4I_TIMER 131 bool "Sun4i timer driver" 132 depends on HAS_IOMEM 133 select CLKSRC_MMIO 134 select TIMER_OF 135 help 136 Enables support for the Sun4i timer. 137 138config SUN5I_HSTIMER 139 bool "Sun5i timer driver" if COMPILE_TEST 140 select CLKSRC_MMIO 141 depends on COMMON_CLK 142 help 143 Enables support the Sun5i timer. 144 145config TEGRA_TIMER 146 bool "Tegra timer driver" if COMPILE_TEST 147 select CLKSRC_MMIO 148 select TIMER_OF 149 depends on ARCH_TEGRA || COMPILE_TEST 150 help 151 Enables support for the Tegra driver. 152 153config VT8500_TIMER 154 bool "VT8500 timer driver" if COMPILE_TEST 155 depends on HAS_IOMEM 156 help 157 Enables support for the VT8500 driver. 158 159config NPCM7XX_TIMER 160 bool "NPCM7xx timer driver" if COMPILE_TEST 161 depends on HAS_IOMEM 162 select TIMER_OF 163 select CLKSRC_MMIO 164 help 165 Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture, 166 where TIMER0 serves as clockevent and TIMER1 serves as clocksource. 167 168config CADENCE_TTC_TIMER 169 bool "Cadence TTC timer driver" if COMPILE_TEST 170 depends on COMMON_CLK 171 help 172 Enables support for the Cadence TTC driver. 173 174config ASM9260_TIMER 175 bool "ASM9260 timer driver" if COMPILE_TEST 176 select CLKSRC_MMIO 177 select TIMER_OF 178 help 179 Enables support for the ASM9260 timer. 180 181config CLKSRC_NOMADIK_MTU 182 bool "Nomakdik clocksource driver" if COMPILE_TEST 183 depends on ARM 184 select CLKSRC_MMIO 185 help 186 Support for Multi Timer Unit. MTU provides access 187 to multiple interrupt generating programmable 188 32-bit free running decrementing counters. 189 190config CLKSRC_DBX500_PRCMU 191 bool "Clocksource PRCMU Timer" if COMPILE_TEST 192 depends on HAS_IOMEM 193 help 194 Use the always on PRCMU Timer as clocksource. 195 196config CLPS711X_TIMER 197 bool "Cirrus Logic timer driver" if COMPILE_TEST 198 select CLKSRC_MMIO 199 help 200 Enables support for the Cirrus Logic PS711 timer. 201 202config MXS_TIMER 203 bool "MXS timer driver" if COMPILE_TEST 204 select CLKSRC_MMIO 205 select STMP_DEVICE 206 help 207 Enables support for the MXS timer. 208 209config NSPIRE_TIMER 210 bool "NSpire timer driver" if COMPILE_TEST 211 select CLKSRC_MMIO 212 help 213 Enables support for the Nspire timer. 214 215config KEYSTONE_TIMER 216 bool "Keystone timer driver" if COMPILE_TEST 217 depends on ARM || ARM64 218 select CLKSRC_MMIO 219 help 220 Enables support for the Keystone timer. 221 222config INTEGRATOR_AP_TIMER 223 bool "Integrator-AP timer driver" if COMPILE_TEST 224 select CLKSRC_MMIO 225 help 226 Enables support for the Integrator-AP timer. 227 228config CLKSRC_LPC32XX 229 bool "Clocksource for LPC32XX" if COMPILE_TEST 230 depends on HAS_IOMEM 231 depends on ARM 232 select CLKSRC_MMIO 233 select TIMER_OF 234 help 235 Support for the LPC32XX clocksource. 236 237config CLKSRC_PISTACHIO 238 bool "Clocksource for Pistachio SoC" 239 depends on HAS_IOMEM 240 depends on MIPS || COMPILE_TEST 241 select TIMER_OF 242 help 243 Enables the clocksource for the Pistachio SoC. 244 245config CLKSRC_TI_32K 246 bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST 247 depends on GENERIC_SCHED_CLOCK 248 select TIMER_OF if OF 249 help 250 This option enables support for Texas Instruments 32.768 Hz clocksource 251 available on many OMAP-like platforms. 252 253config CLKSRC_STM32 254 bool "Clocksource for STM32 SoCs" if !ARCH_STM32 255 depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) 256 select CLKSRC_MMIO 257 select TIMER_OF 258 259config CLKSRC_STM32_LP 260 bool "Low power clocksource for STM32 SoCs" 261 depends on MFD_STM32_LPTIMER || COMPILE_TEST 262 263config CLKSRC_MPS2 264 bool "Clocksource for MPS2 SoCs" if COMPILE_TEST 265 depends on GENERIC_SCHED_CLOCK 266 select CLKSRC_MMIO 267 select TIMER_OF 268 269config ARC_TIMERS 270 bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST 271 depends on GENERIC_SCHED_CLOCK 272 select TIMER_OF 273 help 274 These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores 275 (ARC700 as well as ARC HS38). 276 TIMER0 serves as clockevent while TIMER1 provides clocksource. 277 278config ARC_TIMERS_64BIT 279 bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST 280 depends on ARC_TIMERS 281 select TIMER_OF 282 help 283 This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP). 284 RTC is implemented inside the core, while GFRC sits outside the core in 285 ARConnect IP block. Driver automatically picks one of them for clocksource 286 as appropriate. 287 288config ARM_ARCH_TIMER 289 bool 290 select TIMER_OF if OF 291 select TIMER_ACPI if ACPI 292 293config ARM_ARCH_TIMER_EVTSTREAM 294 bool "Enable ARM architected timer event stream generation by default" 295 default y if ARM_ARCH_TIMER 296 depends on ARM_ARCH_TIMER 297 help 298 This option enables support by default for event stream generation 299 based on the ARM architected timer. It is used for waking up CPUs 300 executing the wfe instruction at a frequency represented as a 301 power-of-2 divisor of the clock rate. The behaviour can also be 302 overridden on the command line using the 303 clocksource.arm_arch_timer.evtstream parameter. 304 The main use of the event stream is wfe-based timeouts of userspace 305 locking implementations. It might also be useful for imposing timeout 306 on wfe to safeguard against any programming errors in case an expected 307 event is not generated. 308 This must be disabled for hardware validation purposes to detect any 309 hardware anomalies of missing events. 310 311config ARM_ARCH_TIMER_OOL_WORKAROUND 312 bool 313 314config FSL_ERRATUM_A008585 315 bool "Workaround for Freescale/NXP Erratum A-008585" 316 default y 317 depends on ARM_ARCH_TIMER && ARM64 318 select ARM_ARCH_TIMER_OOL_WORKAROUND 319 help 320 This option enables a workaround for Freescale/NXP Erratum 321 A-008585 ("ARM generic timer may contain an erroneous 322 value"). The workaround will only be active if the 323 fsl,erratum-a008585 property is found in the timer node. 324 325config HISILICON_ERRATUM_161010101 326 bool "Workaround for Hisilicon Erratum 161010101" 327 default y 328 select ARM_ARCH_TIMER_OOL_WORKAROUND 329 depends on ARM_ARCH_TIMER && ARM64 330 help 331 This option enables a workaround for Hisilicon Erratum 332 161010101. The workaround will be active if the hisilicon,erratum-161010101 333 property is found in the timer node. 334 335config ARM64_ERRATUM_858921 336 bool "Workaround for Cortex-A73 erratum 858921" 337 default y 338 select ARM_ARCH_TIMER_OOL_WORKAROUND 339 depends on ARM_ARCH_TIMER && ARM64 340 help 341 This option enables a workaround applicable to Cortex-A73 342 (all versions), whose counter may return incorrect values. 343 The workaround will be dynamically enabled when an affected 344 core is detected. 345 346config SUN50I_ERRATUM_UNKNOWN1 347 bool "Workaround for Allwinner A64 erratum UNKNOWN1" 348 default y 349 depends on ARM_ARCH_TIMER && ARM64 && ARCH_SUNXI 350 select ARM_ARCH_TIMER_OOL_WORKAROUND 351 help 352 This option enables a workaround for instability in the timer on 353 the Allwinner A64 SoC. The workaround will only be active if the 354 allwinner,erratum-unknown1 property is found in the timer node. 355 356config ARM_GLOBAL_TIMER 357 bool "Support for the ARM global timer" if COMPILE_TEST 358 select TIMER_OF if OF 359 depends on ARM 360 help 361 This option enables support for the ARM global timer unit. 362 363config ARM_GT_INITIAL_PRESCALER_VAL 364 int "ARM global timer initial prescaler value" 365 default 2 if ARCH_ZYNQ 366 default 1 367 depends on ARM_GLOBAL_TIMER 368 help 369 When the ARM global timer initializes, its current rate is declared 370 to the kernel and maintained forever. Should it's parent clock 371 change, the driver tries to fix the timer's internal prescaler. 372 On some machs (i.e. Zynq) the initial prescaler value thus poses 373 bounds about how much the parent clock is allowed to decrease or 374 increase wrt the initial clock value. 375 This affects CPU_FREQ max delta from the initial frequency. 376 377config ARM_TIMER_SP804 378 bool "Support for Dual Timer SP804 module" if COMPILE_TEST 379 depends on GENERIC_SCHED_CLOCK && HAVE_CLK 380 select CLKSRC_MMIO 381 select TIMER_OF if OF 382 383config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 384 bool 385 depends on ARM_GLOBAL_TIMER 386 default y 387 help 388 Use ARM global timer clock source as sched_clock. 389 390config ARMV7M_SYSTICK 391 bool "Support for the ARMv7M system time" if COMPILE_TEST 392 select TIMER_OF if OF 393 select CLKSRC_MMIO 394 help 395 This option enables support for the ARMv7M system timer unit. 396 397config ATMEL_PIT 398 bool "Atmel PIT support" if COMPILE_TEST 399 depends on HAS_IOMEM 400 select TIMER_OF if OF 401 help 402 Support for the Periodic Interval Timer found on Atmel SoCs. 403 404config ATMEL_ST 405 bool "Atmel ST timer support" if COMPILE_TEST 406 depends on HAS_IOMEM 407 select TIMER_OF 408 select MFD_SYSCON 409 help 410 Support for the Atmel ST timer. 411 412config ATMEL_TCB_CLKSRC 413 bool "Atmel TC Block timer driver" if COMPILE_TEST 414 depends on ARM && HAS_IOMEM 415 select TIMER_OF if OF 416 help 417 Support for Timer Counter Blocks on Atmel SoCs. 418 419config CLKSRC_EXYNOS_MCT 420 bool "Exynos multi core timer driver" if COMPILE_TEST 421 depends on ARM || ARM64 422 help 423 Support for Multi Core Timer controller on Exynos SoCs. 424 425config CLKSRC_SAMSUNG_PWM 426 bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST 427 depends on HAS_IOMEM 428 help 429 This is a new clocksource driver for the PWM timer found in 430 Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 431 for all devicetree enabled platforms. This driver will be 432 needed only on systems that do not have the Exynos MCT available. 433 434config FSL_FTM_TIMER 435 bool "Freescale FlexTimer Module driver" if COMPILE_TEST 436 depends on HAS_IOMEM 437 select CLKSRC_MMIO 438 help 439 Support for Freescale FlexTimer Module (FTM) timer. 440 441config VF_PIT_TIMER 442 bool 443 select CLKSRC_MMIO 444 help 445 Support for Periodic Interrupt Timer on Freescale Vybrid Family SoCs. 446 447config OXNAS_RPS_TIMER 448 bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST 449 select TIMER_OF 450 select CLKSRC_MMIO 451 help 452 This enables support for the Oxford Semiconductor OXNAS RPS timers. 453 454config SYS_SUPPORTS_SH_CMT 455 bool 456 457config MTK_TIMER 458 bool "Mediatek timer driver" if COMPILE_TEST 459 depends on HAS_IOMEM 460 select TIMER_OF 461 select CLKSRC_MMIO 462 help 463 Support for Mediatek timer driver. 464 465config SPRD_TIMER 466 bool "Spreadtrum timer driver" if EXPERT 467 depends on HAS_IOMEM 468 depends on (ARCH_SPRD || COMPILE_TEST) 469 default ARCH_SPRD 470 select TIMER_OF 471 help 472 Enables support for the Spreadtrum timer driver. 473 474config SYS_SUPPORTS_SH_MTU2 475 bool 476 477config SYS_SUPPORTS_SH_TMU 478 bool 479 480config SYS_SUPPORTS_EM_STI 481 bool 482 483config CLKSRC_JCORE_PIT 484 bool "J-Core PIT timer driver" if COMPILE_TEST 485 depends on OF 486 depends on HAS_IOMEM 487 select CLKSRC_MMIO 488 help 489 This enables build of clocksource and clockevent driver for 490 the integrated PIT in the J-Core synthesizable, open source SoC. 491 492config SH_TIMER_CMT 493 bool "Renesas CMT timer driver" if COMPILE_TEST 494 depends on HAS_IOMEM 495 default SYS_SUPPORTS_SH_CMT 496 help 497 This enables build of a clocksource and clockevent driver for 498 the Compare Match Timer (CMT) hardware available in 16/32/48-bit 499 variants on a wide range of Mobile and Automotive SoCs from Renesas. 500 501config SH_TIMER_MTU2 502 bool "Renesas MTU2 timer driver" if COMPILE_TEST 503 depends on HAS_IOMEM 504 default SYS_SUPPORTS_SH_MTU2 505 help 506 This enables build of a clockevent driver for the Multi-Function 507 Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 508 This hardware comes with 16-bit timer registers. 509 510config RENESAS_OSTM 511 bool "Renesas OSTM timer driver" if COMPILE_TEST 512 select CLKSRC_MMIO 513 select TIMER_OF 514 help 515 Enables the support for the Renesas OSTM. 516 517config SH_TIMER_TMU 518 bool "Renesas TMU timer driver" if COMPILE_TEST 519 depends on HAS_IOMEM 520 default SYS_SUPPORTS_SH_TMU 521 help 522 This enables build of a clocksource and clockevent driver for 523 the 32-bit Timer Unit (TMU) hardware available on a wide range 524 SoCs from Renesas. 525 526config EM_TIMER_STI 527 bool "Renesas STI timer driver" if COMPILE_TEST 528 depends on HAS_IOMEM 529 default SYS_SUPPORTS_EM_STI 530 help 531 This enables build of a clocksource and clockevent driver for 532 the 48-bit System Timer (STI) hardware available on a SoCs 533 such as EMEV2 from former NEC Electronics. 534 535config CLKSRC_QCOM 536 bool "Qualcomm MSM timer" if COMPILE_TEST 537 depends on ARM 538 select TIMER_OF 539 help 540 This enables the clocksource and the per CPU clockevent driver for the 541 Qualcomm SoCs. 542 543config CLKSRC_VERSATILE 544 bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST 545 depends on GENERIC_SCHED_CLOCK 546 select TIMER_OF 547 default y if (ARCH_VEXPRESS || ARCH_VERSATILE) && ARM 548 help 549 This option enables clock source based on free running 550 counter available in the "System Registers" block of 551 ARM Versatile and Versatile Express reference platforms. 552 553config CLKSRC_MIPS_GIC 554 bool 555 depends on MIPS_GIC 556 select CLOCKSOURCE_WATCHDOG 557 select TIMER_OF 558 559config CLKSRC_PXA 560 bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST 561 depends on HAS_IOMEM 562 select CLKSRC_MMIO 563 help 564 This enables OST0 support available on PXA and SA-11x0 565 platforms. 566 567config H8300_TMR8 568 bool "Clockevent timer for the H8300 platform" if COMPILE_TEST 569 depends on HAS_IOMEM 570 help 571 This enables the 8 bits timer for the H8300 platform. 572 573config H8300_TMR16 574 bool "Clockevent timer for the H83069 platform" if COMPILE_TEST 575 depends on HAS_IOMEM 576 help 577 This enables the 16 bits timer for the H8300 platform with the 578 H83069 CPU. 579 580config H8300_TPU 581 bool "Clocksource for the H8300 platform" if COMPILE_TEST 582 depends on HAS_IOMEM 583 help 584 This enables the clocksource for the H8300 platform with the 585 H8S2678 CPU. 586 587config CLKSRC_IMX_GPT 588 bool "Clocksource using i.MX GPT" if COMPILE_TEST 589 depends on (ARM || ARM64) && HAVE_CLK 590 select CLKSRC_MMIO 591 592config CLKSRC_IMX_TPM 593 bool "Clocksource using i.MX TPM" if COMPILE_TEST 594 depends on (ARM || ARM64) && HAVE_CLK 595 select CLKSRC_MMIO 596 select TIMER_OF 597 help 598 Enable this option to use IMX Timer/PWM Module (TPM) timer as 599 clocksource. 600 601config TIMER_IMX_SYS_CTR 602 bool "i.MX system counter timer" if COMPILE_TEST 603 select TIMER_OF 604 help 605 Enable this option to use i.MX system counter timer as a 606 clockevent. 607 608config CLKSRC_ST_LPC 609 bool "Low power clocksource found in the LPC" if COMPILE_TEST 610 select TIMER_OF if OF 611 depends on HAS_IOMEM 612 select CLKSRC_MMIO 613 help 614 Enable this option to use the Low Power controller timer 615 as clocksource. 616 617config ATCPIT100_TIMER 618 bool "ATCPIT100 timer driver" 619 depends on NDS32 || COMPILE_TEST 620 depends on HAS_IOMEM 621 select TIMER_OF 622 default NDS32 623 help 624 This option enables support for the Andestech ATCPIT100 timers. 625 626config RISCV_TIMER 627 bool "Timer for the RISC-V platform" if COMPILE_TEST 628 depends on GENERIC_SCHED_CLOCK && RISCV && RISCV_SBI 629 select TIMER_PROBE 630 select TIMER_OF 631 help 632 This enables the per-hart timer built into all RISC-V systems, which 633 is accessed via both the SBI and the rdcycle instruction. This is 634 required for all RISC-V systems. 635 636config CLINT_TIMER 637 bool "CLINT Timer for the RISC-V platform" if COMPILE_TEST 638 depends on GENERIC_SCHED_CLOCK && RISCV 639 select TIMER_PROBE 640 select TIMER_OF 641 help 642 This option enables the CLINT timer for RISC-V systems. The CLINT 643 driver is usually used for NoMMU RISC-V systems. 644 645config CSKY_MP_TIMER 646 bool "SMP Timer for the C-SKY platform" if COMPILE_TEST 647 depends on CSKY 648 select TIMER_OF 649 help 650 Say yes here to enable C-SKY SMP timer driver used for C-SKY SMP 651 system. 652 csky,mptimer is not only used in SMP system, it also could be used in 653 single core system. It's not a mmio reg and it uses mtcr/mfcr instruction. 654 655config GX6605S_TIMER 656 bool "Gx6605s SOC system timer driver" if COMPILE_TEST 657 depends on CSKY 658 select CLKSRC_MMIO 659 select TIMER_OF 660 help 661 This option enables support for gx6605s SOC's timer. 662 663config MILBEAUT_TIMER 664 bool "Milbeaut timer driver" if COMPILE_TEST 665 depends on OF 666 depends on ARM 667 select TIMER_OF 668 select CLKSRC_MMIO 669 help 670 Enables the support for Milbeaut timer driver. 671 672config INGENIC_TIMER 673 bool "Clocksource/timer using the TCU in Ingenic JZ SoCs" 674 default MACH_INGENIC 675 depends on MIPS || COMPILE_TEST 676 depends on COMMON_CLK 677 select MFD_SYSCON 678 select TIMER_OF 679 select IRQ_DOMAIN 680 help 681 Support for the timer/counter unit of the Ingenic JZ SoCs. 682 683config INGENIC_SYSOST 684 bool "Clocksource/timer using the SYSOST in Ingenic X SoCs" 685 depends on MIPS || COMPILE_TEST 686 depends on COMMON_CLK 687 select MFD_SYSCON 688 select TIMER_OF 689 select IRQ_DOMAIN 690 help 691 Support for the SYSOST of the Ingenic X Series SoCs. 692 693config INGENIC_OST 694 bool "Clocksource using the OST in Ingenic JZ SoCs" 695 depends on MIPS || COMPILE_TEST 696 depends on COMMON_CLK 697 select MFD_SYSCON 698 help 699 Support for the Operating System Timer of the Ingenic JZ SoCs. 700 701config MICROCHIP_PIT64B 702 bool "Microchip PIT64B support" 703 depends on OF || COMPILE_TEST 704 select CLKSRC_MMIO 705 select TIMER_OF 706 help 707 This option enables Microchip PIT64B timer for Atmel 708 based system. It supports the oneshot, the periodic 709 modes and high resolution. It is used as a clocksource 710 and a clockevent. 711 712endmenu 713