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Linux/arch/arm/plat-omap/Kconfig

  1 config ARCH_OMAP
  2         bool
  3 
  4 if ARCH_OMAP
  5 
  6 menu "TI OMAP Common Features"
  7 
  8 config ARCH_OMAP_OTG
  9         bool
 10 
 11 comment "OMAP Feature Selections"
 12 
 13 config OMAP_DEBUG_DEVICES
 14         bool
 15         help
 16           For debug cards on TI reference boards.
 17 
 18 config OMAP_DEBUG_LEDS
 19         def_bool y if NEW_LEDS
 20         depends on OMAP_DEBUG_DEVICES
 21         select LEDS_CLASS
 22 
 23 config POWER_AVS_OMAP
 24         bool "AVS(Adaptive Voltage Scaling) support for OMAP IP versions 1&2"
 25         depends on POWER_AVS && (ARCH_OMAP3 || ARCH_OMAP4) && PM
 26         select POWER_SUPPLY
 27         help
 28           Say Y to enable AVS(Adaptive Voltage Scaling)
 29           support on OMAP containing the version 1 or
 30           version 2 of the SmartReflex IP.
 31           V1 is the 65nm version used in OMAP3430.
 32           V2 is the update for the 45nm version of the IP used in OMAP3630
 33           and OMAP4430
 34 
 35           Please note, that by default SmartReflex is only
 36           initialized and not enabled. To enable the automatic voltage
 37           compensation for vdd mpu and vdd core from user space,
 38           user must write 1 to
 39                 /debug/smartreflex/sr_<X>/autocomp,
 40           where X is mpu_iva or core for OMAP3.
 41           Optionally autocompensation can be enabled in the kernel
 42           by default during system init via the enable_on_init flag
 43           which an be passed as platform data to the smartreflex driver.
 44 
 45 config POWER_AVS_OMAP_CLASS3
 46         bool "Class 3 mode of Smartreflex Implementation"
 47         depends on POWER_AVS_OMAP && TWL4030_CORE
 48         help
 49           Say Y to enable Class 3 implementation of Smartreflex
 50 
 51           Class 3 implementation of Smartreflex employs continuous hardware
 52           voltage calibration.
 53 
 54 config OMAP_RESET_CLOCKS
 55         bool "Reset unused clocks during boot"
 56         depends on ARCH_OMAP
 57         help
 58           Say Y if you want to reset unused clocks during boot.
 59           This option saves power, but assumes all drivers are
 60           using the clock framework. Broken drivers that do not
 61           yet use clock framework may not work with this option.
 62           If you are booting from another operating system, you
 63           probably do not want this option enabled until your
 64           device drivers work properly.
 65 
 66 config OMAP_MPU_TIMER
 67         bool "Use mpu timer"
 68         depends on ARCH_OMAP1
 69         help
 70           Select this option if you want to use the OMAP mpu timer. This
 71           timer provides more intra-tick resolution than the 32KHz timer,
 72           but consumes more power.
 73 
 74 config OMAP_32K_TIMER
 75         bool "Use 32KHz timer"
 76         depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
 77         default y if (ARCH_OMAP16XX || ARCH_OMAP2PLUS)
 78         help
 79           Select this option if you want to enable the OMAP 32KHz timer.
 80           This timer saves power compared to the OMAP_MPU_TIMER, and has
 81           support for no tick during idle. The 32KHz timer provides less
 82           intra-tick resolution than OMAP_MPU_TIMER. The 32KHz timer is
 83           currently only available for OMAP16XX, 24XX, 34XX, OMAP4/5 and DRA7XX.
 84 
 85           On OMAP2PLUS this value is only used for CONFIG_HZ and
 86           CLOCK_TICK_RATE compile time calculation.
 87           The actual timer selection is done in the board file
 88           through the (DT_)MACHINE_START structure.
 89 
 90 
 91 config OMAP3_L2_AUX_SECURE_SAVE_RESTORE
 92         bool "OMAP3 HS/EMU save and restore for L2 AUX control register"
 93         depends on ARCH_OMAP3 && PM
 94         default n
 95         help
 96           Without this option, L2 Auxiliary control register contents are
 97           lost during off-mode entry on HS/EMU devices. This feature
 98           requires support from PPA / boot-loader in HS/EMU devices, which
 99           currently does not exist by default.
100 
101 config OMAP3_L2_AUX_SECURE_SERVICE_SET_ID
102         int "Service ID for the support routine to set L2 AUX control"
103         depends on OMAP3_L2_AUX_SECURE_SAVE_RESTORE
104         default 43
105         help
106           PPA routine service ID for setting L2 auxiliary control register.
107 
108 config OMAP_DM_TIMER
109         bool "Use dual-mode timer"
110         depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
111         help
112          Select this option if you want to use OMAP Dual-Mode timers.
113 
114 config OMAP_SERIAL_WAKE
115         bool "Enable wake-up events for serial ports"
116         depends on ARCH_OMAP1 && OMAP_MUX
117         default y
118         help
119           Select this option if you want to have your system wake up
120           to data on the serial RX line. This allows you to wake the
121           system from serial console.
122 
123 choice
124         prompt "OMAP PM layer selection"
125         depends on ARCH_OMAP
126         default OMAP_PM_NOOP
127 
128 config OMAP_PM_NOOP
129         bool "No-op/debug PM layer"
130 
131 endchoice
132 
133 endmenu
134 
135 endif

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