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Linux/arch/arm/plat-samsung/Kconfig

  1 # arch/arm/plat-samsung/Kconfig
  2 #
  3 # Copyright 2009 Simtec Electronics
  4 #
  5 # Licensed under GPLv2
  6 
  7 config PLAT_SAMSUNG
  8         bool
  9         depends on PLAT_S3C24XX || ARCH_S3C64XX || ARCH_EXYNOS || ARCH_S5PV210
 10         default y
 11         select GENERIC_IRQ_CHIP
 12         select NO_IOPORT_MAP
 13         help
 14           Base platform code for all Samsung SoC based systems
 15 
 16 config SAMSUNG_PM
 17         bool
 18         depends on PM && (PLAT_S3C24XX || ARCH_S3C64XX)
 19         default y
 20         help
 21           Base platform power management code for samsung code
 22 
 23 if PLAT_SAMSUNG
 24 menu "Samsung Common options"
 25 
 26 # boot configurations
 27 
 28 comment "Boot options"
 29 
 30 config S3C_LOWLEVEL_UART_PORT
 31         int "S3C UART to use for low-level messages"
 32         depends on ARCH_S3C64XX
 33         default 0
 34         help
 35           Choice of which UART port to use for the low-level messages,
 36           such as the `Uncompressing...` at start time. The value of
 37           this configuration should be between zero and two. The port
 38           must have been initialised by the boot-loader before use.
 39 
 40 config SAMSUNG_ATAGS
 41         def_bool n
 42         depends on !ARCH_MULTIPLATFORM
 43         depends on ATAGS
 44         help
 45            This option enables ATAGS based boot support code for
 46            Samsung platforms, including static platform devices, legacy
 47            clock, timer and interrupt initialization, etc.
 48 
 49            Platforms that support only DT based boot need not to select
 50            this option.
 51 
 52 if SAMSUNG_ATAGS
 53 
 54 config S3C_GPIO_SPACE
 55         int "Space between gpio banks"
 56         default 0
 57         help
 58           Add a number of spare GPIO entries between each bank for debugging
 59           purposes. This allows any problems where an counter overflows from
 60           one bank to another to be caught, at the expense of using a little
 61           more memory.
 62 
 63 config S3C_GPIO_TRACK
 64         bool
 65         help
 66           Internal configuration option to enable the s3c specific gpio
 67           chip tracking if the platform requires it.
 68 
 69 # ADC driver
 70 
 71 config S3C_ADC
 72         bool "ADC common driver support"
 73         help
 74           Core support for the ADC block found in the Samsung SoC systems
 75           for drivers such as the touchscreen and hwmon to use to share
 76           this resource.
 77 
 78 # device definitions to compile in
 79 
 80 config S3C_DEV_HSMMC
 81         bool
 82         help
 83           Compile in platform device definitions for HSMMC code
 84 
 85 config S3C_DEV_HSMMC1
 86         bool
 87         help
 88           Compile in platform device definitions for HSMMC channel 1
 89 
 90 config S3C_DEV_HSMMC2
 91         bool
 92         help
 93           Compile in platform device definitions for HSMMC channel 2
 94 
 95 config S3C_DEV_HSMMC3
 96         bool
 97         help
 98           Compile in platform device definitions for HSMMC channel 3
 99 
100 config S3C_DEV_HWMON
101         bool
102         help
103             Compile in platform device definitions for HWMON
104 
105 config S3C_DEV_I2C1
106         bool
107         help
108           Compile in platform device definitions for I2C channel 1
109 
110 config S3C_DEV_I2C2
111         bool
112         help
113           Compile in platform device definitions for I2C channel 2
114 
115 config S3C_DEV_I2C3
116         bool
117         help
118           Compile in platform device definition for I2C controller 3
119 
120 config S3C_DEV_I2C4
121         bool
122         help
123           Compile in platform device definition for I2C controller 4
124 
125 config S3C_DEV_I2C5
126         bool
127         help
128           Compile in platform device definition for I2C controller 5
129 
130 config S3C_DEV_I2C6
131         bool
132         help
133           Compile in platform device definition for I2C controller 6
134 
135 config S3C_DEV_I2C7
136         bool
137         help
138           Compile in platform device definition for I2C controller 7
139 
140 config S3C_DEV_FB
141         bool
142         help
143           Compile in platform device definition for framebuffer
144 
145 config S3C_DEV_USB_HOST
146         bool
147         help
148           Compile in platform device definition for USB host.
149 
150 config S3C_DEV_USB_HSOTG
151         bool
152         help
153           Compile in platform device definition for USB high-speed OtG
154 
155 config S3C_DEV_WDT
156         bool
157         default y if ARCH_S3C24XX
158         help
159           Complie in platform device definition for Watchdog Timer
160 
161 config S3C_DEV_NAND
162         bool
163         help
164           Compile in platform device definition for NAND controller
165 
166 config S3C_DEV_ONENAND
167         bool
168         help
169           Compile in platform device definition for OneNAND controller
170 
171 config S3C_DEV_RTC
172         bool
173         help
174           Complie in platform device definition for RTC
175 
176 config SAMSUNG_DEV_ADC
177         bool
178         help
179           Compile in platform device definition for ADC controller
180 
181 config SAMSUNG_DEV_IDE
182         bool
183         help
184           Compile in platform device definitions for IDE
185 
186 config S3C64XX_DEV_SPI0
187         bool
188         help
189           Compile in platform device definitions for S3C64XX's type
190           SPI controller 0
191 
192 config S3C64XX_DEV_SPI1
193         bool
194         help
195           Compile in platform device definitions for S3C64XX's type
196           SPI controller 1
197 
198 config S3C64XX_DEV_SPI2
199         bool
200         help
201           Compile in platform device definitions for S3C64XX's type
202           SPI controller 2
203 
204 config SAMSUNG_DEV_TS
205         bool
206         help
207             Common in platform device definitions for touchscreen device
208 
209 config SAMSUNG_DEV_KEYPAD
210         bool
211         help
212           Compile in platform device definitions for keypad
213 
214 config SAMSUNG_DEV_PWM
215         bool
216         default y if ARCH_S3C24XX
217         help
218           Compile in platform device definition for PWM Timer
219 
220 config S3C24XX_PWM
221         bool "PWM device support"
222         select PWM
223         select PWM_SAMSUNG
224         help
225           Support for exporting the PWM timer blocks via the pwm device
226           system
227 
228 config SAMSUNG_PM_GPIO
229         bool
230         default y if GPIO_SAMSUNG && PM
231         help
232           Include legacy GPIO power management code for platforms not using
233           pinctrl-samsung driver.
234 endif
235 
236 comment "Power management"
237 
238 config SAMSUNG_PM_DEBUG
239         bool "Samsung PM Suspend debug"
240         depends on PM && DEBUG_KERNEL
241         depends on DEBUG_EXYNOS_UART || DEBUG_S3C24XX_UART || DEBUG_S3C2410_UART
242         help
243           Say Y here if you want verbose debugging from the PM Suspend and
244           Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
245           for more information.
246 
247 config S3C_PM_DEBUG_LED_SMDK
248        bool "SMDK LED suspend/resume debugging"
249        depends on PM && (MACH_SMDK6410)
250        help
251          Say Y here to enable the use of the SMDK LEDs on the baseboard
252          for debugging of the state of the suspend and resume process.
253 
254          Note, this currently only works for S3C64XX based SMDK boards.
255 
256 config SAMSUNG_PM_CHECK
257         bool "S3C2410 PM Suspend Memory CRC"
258         depends on PM
259         select CRC32
260         help
261           Enable the PM code's memory area checksum over sleep. This option
262           will generate CRCs of all blocks of memory, and store them before
263           going to sleep. The blocks are then checked on resume for any
264           errors.
265 
266           Note, this can take several seconds depending on memory size
267           and CPU speed.
268 
269           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
270 
271 config SAMSUNG_PM_CHECK_CHUNKSIZE
272         int "S3C2410 PM Suspend CRC Chunksize (KiB)"
273         depends on PM && SAMSUNG_PM_CHECK
274         default 64
275         help
276           Set the chunksize in Kilobytes of the CRC for checking memory
277           corruption over suspend and resume. A smaller value will mean that
278           the CRC data block will take more memory, but wil identify any
279           faults with better precision.
280 
281           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
282 
283 config SAMSUNG_WAKEMASK
284         bool
285         depends on PM
286         help
287           Compile support for wakeup-mask controls found on the S3C6400
288           and above. This code allows a set of interrupt to wakeup-mask
289           mappings. See <plat/wakeup-mask.h>
290 
291 config SAMSUNG_WDT_RESET
292         bool
293         help
294           Compile support for system restart by triggering watchdog reset.
295           Used on SoCs that do not provide dedicated reset control.
296 
297 config DEBUG_S3C_UART
298         depends on PLAT_SAMSUNG
299         int
300         default "0" if DEBUG_S3C_UART0
301         default "1" if DEBUG_S3C_UART1
302         default "2" if DEBUG_S3C_UART2
303         default "3" if DEBUG_S3C_UART3
304 
305 endmenu
306 endif

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