mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-18 16:44:27 +08:00
1ead658124
Pull timer changes from Thomas Gleixner:
"This assorted collection provides:
- A new timer based timer broadcast feature for systems which do not
provide a global accessible timer device. That allows those
systems to put CPUs into deep idle states where the per cpu timer
device stops.
- A few NOHZ_FULL related improvements to the timer wheel
- The usual updates to timer devices found in ARM SoCs
- Small improvements and updates all over the place"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
tick: Remove code duplication in tick_handle_periodic()
tick: Fix spelling mistake in tick_handle_periodic()
x86: hpet: Use proper destructor for delayed work
workqueue: Provide destroy_delayed_work_on_stack()
clocksource: CMT, MTU2, TMU and STI should depend on GENERIC_CLOCKEVENTS
timer: Remove code redundancy while calling get_nohz_timer_target()
hrtimer: Rearrange comments in the order struct members are declared
timer: Use variable head instead of &work_list in __run_timers()
clocksource: exynos_mct: silence a static checker warning
arm: zynq: Add support for cpufreq
arm: zynq: Don't use arm_global_timer with cpufreq
clocksource/cadence_ttc: Overhaul clocksource frequency adjustment
clocksource/cadence_ttc: Call clockevents_update_freq() with IRQs enabled
clocksource: Add Kconfig entries for CMT, MTU2, TMU and STI
sh: Remove Kconfig entries for TMU, CMT and MTU2
ARM: shmobile: Remove CMT, TMU and STI Kconfig entries
clocksource: armada-370-xp: Use atomic access for shared registers
clocksource: orion: Use atomic access for shared registers
clocksource: timer-keystone: Delete unnecessary variable
clocksource: timer-keystone: introduce clocksource driver for Keystone
...
345 lines
7.9 KiB
Plaintext
345 lines
7.9 KiB
Plaintext
config ARCH_SHMOBILE
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bool
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config ARCH_SHMOBILE_MULTI
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bool "Renesas ARM SoCs" if ARCH_MULTI_V7
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depends on MMU
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select ARCH_SHMOBILE
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select CPU_V7
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select GENERIC_CLOCKEVENTS
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select HAVE_ARM_SCU if SMP
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select HAVE_ARM_TWD if SMP
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select HAVE_SMP
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select ARM_GIC
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select MIGHT_HAVE_CACHE_L2X0
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select MIGHT_HAVE_PCI
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select NO_IOPORT
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select PINCTRL
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select ARCH_REQUIRE_GPIOLIB
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select CLKDEV_LOOKUP
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if ARCH_SHMOBILE_MULTI
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comment "Renesas ARM SoCs System Type"
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config ARCH_EMEV2
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bool "Emma Mobile EV2"
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select SYS_SUPPORTS_EM_STI
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config ARCH_R7S72100
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bool "RZ/A1H (R7S72100)"
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select SYS_SUPPORTS_SH_MTU2
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config ARCH_R8A7790
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bool "R-Car H2 (R8A77900)"
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select RENESAS_IRQC
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select SYS_SUPPORTS_SH_CMT
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config ARCH_R8A7791
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bool "R-Car M2 (R8A77910)"
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select RENESAS_IRQC
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select SYS_SUPPORTS_SH_CMT
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comment "Renesas ARM SoCs Board Type"
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config MACH_GENMAI
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bool "Genmai board"
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depends on ARCH_R7S72100
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config MACH_KOELSCH
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bool "Koelsch board"
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depends on ARCH_R8A7791
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config MACH_KZM9D
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bool "KZM9D board"
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depends on ARCH_EMEV2
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select REGULATOR_FIXED_VOLTAGE if REGULATOR
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config MACH_LAGER
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bool "Lager board"
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depends on ARCH_R8A7790
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comment "Renesas ARM SoCs System Configuration"
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endif
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if ARCH_SHMOBILE_LEGACY
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comment "Renesas ARM SoCs System Type"
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config ARCH_SH7372
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bool "SH-Mobile AP4 (SH7372)"
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select ARM_CPU_SUSPEND if PM || CPU_IDLE
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select CPU_V7
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select SH_CLK_CPG
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select SYS_SUPPORTS_SH_CMT
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select SYS_SUPPORTS_SH_TMU
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config ARCH_SH73A0
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bool "SH-Mobile AG5 (R8A73A00)"
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select ARM_GIC
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select CPU_V7
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select I2C
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select SH_CLK_CPG
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select RENESAS_INTC_IRQPIN
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select SYS_SUPPORTS_SH_CMT
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select SYS_SUPPORTS_SH_TMU
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config ARCH_R8A73A4
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bool "R-Mobile APE6 (R8A73A40)"
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select ARM_GIC
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select CPU_V7
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select SH_CLK_CPG
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select RENESAS_IRQC
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select ARCH_HAS_CPUFREQ
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select ARCH_HAS_OPP
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select SYS_SUPPORTS_SH_CMT
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select SYS_SUPPORTS_SH_TMU
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config ARCH_R8A7740
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bool "R-Mobile A1 (R8A77400)"
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select ARM_GIC
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select CPU_V7
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select SH_CLK_CPG
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select RENESAS_INTC_IRQPIN
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select SYS_SUPPORTS_SH_CMT
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select SYS_SUPPORTS_SH_TMU
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config ARCH_R8A7778
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bool "R-Car M1A (R8A77781)"
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select CPU_V7
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select SH_CLK_CPG
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select ARM_GIC
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select USB_ARCH_HAS_EHCI
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select USB_ARCH_HAS_OHCI
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select SYS_SUPPORTS_SH_TMU
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config ARCH_R8A7779
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bool "R-Car H1 (R8A77790)"
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select ARM_GIC
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select CPU_V7
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select SH_CLK_CPG
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select USB_ARCH_HAS_EHCI
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select USB_ARCH_HAS_OHCI
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select RENESAS_INTC_IRQPIN
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select SYS_SUPPORTS_SH_TMU
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config ARCH_R8A7790
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bool "R-Car H2 (R8A77900)"
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select ARM_GIC
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select CPU_V7
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select MIGHT_HAVE_PCI
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select SH_CLK_CPG
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select RENESAS_IRQC
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select SYS_SUPPORTS_SH_CMT
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config ARCH_R8A7791
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bool "R-Car M2 (R8A77910)"
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select ARM_GIC
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select CPU_V7
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select MIGHT_HAVE_PCI
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select SH_CLK_CPG
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select RENESAS_IRQC
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select SYS_SUPPORTS_SH_CMT
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config ARCH_EMEV2
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bool "Emma Mobile EV2"
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select ARM_GIC
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select CPU_V7
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select MIGHT_HAVE_PCI
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select USE_OF
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select AUTO_ZRELADDR
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select SYS_SUPPORTS_EM_STI
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config ARCH_R7S72100
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bool "RZ/A1H (R7S72100)"
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select ARM_GIC
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select CPU_V7
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select SH_CLK_CPG
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select SYS_SUPPORTS_SH_MTU2
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comment "Renesas ARM SoCs Board Type"
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config MACH_APE6EVM
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bool "APE6EVM board"
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depends on ARCH_R8A73A4
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select USE_OF
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config MACH_APE6EVM_REFERENCE
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bool "APE6EVM board - Reference Device Tree Implementation"
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depends on ARCH_R8A73A4
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select USE_OF
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---help---
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Use reference implementation of APE6EVM board support
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which makes a greater use of device tree at the expense
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of not supporting a number of devices.
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This is intended to aid developers
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config MACH_MACKEREL
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bool "mackerel board"
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depends on ARCH_SH7372
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select ARCH_REQUIRE_GPIOLIB
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select REGULATOR_FIXED_VOLTAGE if REGULATOR
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select SND_SOC_AK4642 if SND_SIMPLE_CARD
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select USE_OF
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config MACH_ARMADILLO800EVA
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bool "Armadillo-800 EVA board"
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depends on ARCH_R8A7740
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select ARCH_REQUIRE_GPIOLIB
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select REGULATOR_FIXED_VOLTAGE if REGULATOR
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select SND_SOC_WM8978 if SND_SIMPLE_CARD
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select USE_OF
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config MACH_ARMADILLO800EVA_REFERENCE
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bool "Armadillo-800 EVA board - Reference Device Tree Implementation"
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depends on ARCH_R8A7740
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select ARCH_REQUIRE_GPIOLIB
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select REGULATOR_FIXED_VOLTAGE if REGULATOR
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select SND_SOC_WM8978 if SND_SIMPLE_CARD
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select USE_OF
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---help---
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Use reference implementation of Aramdillo800 EVA board support
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which makes a greater use of device tree at the expense
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of not supporting a number of devices.
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This is intended to aid developers
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config MACH_BOCKW
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bool "BOCK-W platform"
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depends on ARCH_R8A7778
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select ARCH_REQUIRE_GPIOLIB
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select RENESAS_INTC_IRQPIN
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select REGULATOR_FIXED_VOLTAGE if REGULATOR
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select USE_OF
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select SND_SOC_AK4554 if SND_SIMPLE_CARD
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select SND_SOC_AK4642 if SND_SIMPLE_CARD
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config MACH_BOCKW_REFERENCE
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bool "BOCK-W - Reference Device Tree Implementation"
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depends on ARCH_R8A7778
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select ARCH_REQUIRE_GPIOLIB
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select RENESAS_INTC_IRQPIN
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select REGULATOR_FIXED_VOLTAGE if REGULATOR
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select USE_OF
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---help---
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Use reference implementation of BockW board support
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which makes use of device tree at the expense
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of not supporting a number of devices.
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This is intended to aid developers
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config MACH_GENMAI
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bool "Genmai board"
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depends on ARCH_R7S72100
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select USE_OF
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config MACH_GENMAI_REFERENCE
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bool "Genmai board - Reference Device Tree Implementation"
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depends on ARCH_R7S72100
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select USE_OF
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---help---
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Use reference implementation of Genmai board support
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which makes use of device tree at the expense
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of not supporting a number of devices.
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This is intended to aid developers
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config MACH_MARZEN
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bool "MARZEN board"
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depends on ARCH_R8A7779
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select ARCH_REQUIRE_GPIOLIB
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select REGULATOR_FIXED_VOLTAGE if REGULATOR
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select USE_OF
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config MACH_MARZEN_REFERENCE
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bool "MARZEN board - Reference Device Tree Implementation"
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depends on ARCH_R8A7779
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select ARCH_REQUIRE_GPIOLIB
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select REGULATOR_FIXED_VOLTAGE if REGULATOR
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select USE_OF
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---help---
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Use reference implementation of Marzen board support
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which makes use of device tree at the expense
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of not supporting a number of devices.
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This is intended to aid developers
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config MACH_LAGER
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bool "Lager board"
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depends on ARCH_R8A7790
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select USE_OF
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config MACH_KOELSCH
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bool "Koelsch board"
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depends on ARCH_R8A7791
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select USE_OF
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select MICREL_PHY if SH_ETH
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config MACH_KZM9G
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bool "KZM-A9-GT board"
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depends on ARCH_SH73A0
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select ARCH_HAS_CPUFREQ
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select ARCH_HAS_OPP
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select ARCH_REQUIRE_GPIOLIB
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select REGULATOR_FIXED_VOLTAGE if REGULATOR
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select SND_SOC_AK4642 if SND_SIMPLE_CARD
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select USE_OF
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config MACH_KZM9G_REFERENCE
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bool "KZM-A9-GT board - Reference Device Tree Implementation"
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depends on ARCH_SH73A0
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select ARCH_REQUIRE_GPIOLIB
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select REGULATOR_FIXED_VOLTAGE if REGULATOR
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select SND_SOC_AK4642 if SND_SIMPLE_CARD
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select USE_OF
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---help---
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Use reference implementation of KZM-A9-GT board support
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which makes as greater use of device tree at the expense
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of not supporting a number of devices.
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This is intended to aid developers
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comment "Renesas ARM SoCs System Configuration"
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config CPU_HAS_INTEVT
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bool
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default y
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config SH_CLK_CPG
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bool
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source "drivers/sh/Kconfig"
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endif
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if ARCH_SHMOBILE
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menu "Timer and clock configuration"
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config SHMOBILE_TIMER_HZ
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int "Kernel HZ (jiffies per second)"
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range 32 1024
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default "128"
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help
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Allows the configuration of the timer frequency. It is customary
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to have the timer interrupt run at 1000 Hz or 100 Hz, but in the
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case of low timer frequencies other values may be more suitable.
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Renesas ARM SoC systems using a 32768 Hz RCLK for clock events may
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want to select a HZ value such as 128 that can evenly divide RCLK.
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A HZ value that does not divide evenly may cause timer drift.
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endmenu
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endif
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