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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_MUX
 67         bool "OMAP multiplexing support"
 68         depends on ARCH_OMAP
 69         default y
 70         help
 71           Pin multiplexing support for OMAP boards. If your bootloader
 72           sets the multiplexing correctly, say N. Otherwise, or if unsure,
 73           say Y.
 74 
 75 config OMAP_MUX_DEBUG
 76         bool "Multiplexing debug output"
 77         depends on OMAP_MUX
 78         help
 79           Makes the multiplexing functions print out a lot of debug info.
 80           This is useful if you want to find out the correct values of the
 81           multiplexing registers.
 82 
 83 config OMAP_MUX_WARNINGS
 84         bool "Warn about pins the bootloader didn't set up"
 85         depends on OMAP_MUX
 86         default y
 87         help
 88           Choose Y here to warn whenever driver initialization logic needs
 89           to change the pin multiplexing setup.  When there are no warnings
 90           printed, it's safe to deselect OMAP_MUX for your product.
 91 
 92 config OMAP_MPU_TIMER
 93         bool "Use mpu timer"
 94         depends on ARCH_OMAP1
 95         help
 96           Select this option if you want to use the OMAP mpu timer. This
 97           timer provides more intra-tick resolution than the 32KHz timer,
 98           but consumes more power.
 99 
100 config OMAP_32K_TIMER
101         bool "Use 32KHz timer"
102         depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
103         default y if (ARCH_OMAP16XX || ARCH_OMAP2PLUS)
104         help
105           Select this option if you want to enable the OMAP 32KHz timer.
106           This timer saves power compared to the OMAP_MPU_TIMER, and has
107           support for no tick during idle. The 32KHz timer provides less
108           intra-tick resolution than OMAP_MPU_TIMER. The 32KHz timer is
109           currently only available for OMAP16XX, 24XX, 34XX, OMAP4/5 and DRA7XX.
110 
111           On OMAP2PLUS this value is only used for CONFIG_HZ and
112           CLOCK_TICK_RATE compile time calculation.
113           The actual timer selection is done in the board file
114           through the (DT_)MACHINE_START structure.
115 
116 
117 config OMAP3_L2_AUX_SECURE_SAVE_RESTORE
118         bool "OMAP3 HS/EMU save and restore for L2 AUX control register"
119         depends on ARCH_OMAP3 && PM
120         default n
121         help
122           Without this option, L2 Auxiliary control register contents are
123           lost during off-mode entry on HS/EMU devices. This feature
124           requires support from PPA / boot-loader in HS/EMU devices, which
125           currently does not exist by default.
126 
127 config OMAP3_L2_AUX_SECURE_SERVICE_SET_ID
128         int "Service ID for the support routine to set L2 AUX control"
129         depends on OMAP3_L2_AUX_SECURE_SAVE_RESTORE
130         default 43
131         help
132           PPA routine service ID for setting L2 auxiliary control register.
133 
134 config OMAP_DM_TIMER
135         bool "Use dual-mode timer"
136         depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
137         help
138          Select this option if you want to use OMAP Dual-Mode timers.
139 
140 config OMAP_SERIAL_WAKE
141         bool "Enable wake-up events for serial ports"
142         depends on ARCH_OMAP1 && OMAP_MUX
143         default y
144         help
145           Select this option if you want to have your system wake up
146           to data on the serial RX line. This allows you to wake the
147           system from serial console.
148 
149 choice
150         prompt "OMAP PM layer selection"
151         depends on ARCH_OMAP
152         default OMAP_PM_NOOP
153 
154 config OMAP_PM_NOOP
155         bool "No-op/debug PM layer"
156 
157 endchoice
158 
159 endmenu
160 
161 endif

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