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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 ATAGS
 43         help
 44            This option enables ATAGS based boot support code for
 45            Samsung platforms, including static platform devices, legacy
 46            clock, timer and interrupt initialization, etc.
 47 
 48            Platforms that support only DT based boot need not to select
 49            this option.
 50 
 51 if SAMSUNG_ATAGS
 52 
 53 config S3C_GPIO_SPACE
 54         int "Space between gpio banks"
 55         default 0
 56         help
 57           Add a number of spare GPIO entries between each bank for debugging
 58           purposes. This allows any problems where an counter overflows from
 59           one bank to another to be caught, at the expense of using a little
 60           more memory.
 61 
 62 config S3C_GPIO_TRACK
 63         bool
 64         help
 65           Internal configuration option to enable the s3c specific gpio
 66           chip tracking if the platform requires it.
 67 
 68 # ADC driver
 69 
 70 config S3C_ADC
 71         bool "ADC common driver support"
 72         depends on !ARCH_MULTIPLATFORM
 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 GPIO_SAMSUNG
229         def_bool y
230 
231 config SAMSUNG_PM_GPIO
232         bool
233         default y if GPIO_SAMSUNG && PM
234         help
235           Include legacy GPIO power management code for platforms not using
236           pinctrl-samsung driver.
237 endif
238 
239 comment "Power management"
240 
241 config SAMSUNG_PM_DEBUG
242         bool "Samsung PM Suspend debug"
243         depends on PM && DEBUG_KERNEL
244         depends on DEBUG_EXYNOS_UART || DEBUG_S3C24XX_UART || DEBUG_S3C2410_UART
245         help
246           Say Y here if you want verbose debugging from the PM Suspend and
247           Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
248           for more information.
249 
250 config S3C_PM_DEBUG_LED_SMDK
251        bool "SMDK LED suspend/resume debugging"
252        depends on PM && (MACH_SMDK6410)
253        help
254          Say Y here to enable the use of the SMDK LEDs on the baseboard
255          for debugging of the state of the suspend and resume process.
256 
257          Note, this currently only works for S3C64XX based SMDK boards.
258 
259 config SAMSUNG_PM_CHECK
260         bool "S3C2410 PM Suspend Memory CRC"
261         depends on PM
262         select CRC32
263         help
264           Enable the PM code's memory area checksum over sleep. This option
265           will generate CRCs of all blocks of memory, and store them before
266           going to sleep. The blocks are then checked on resume for any
267           errors.
268 
269           Note, this can take several seconds depending on memory size
270           and CPU speed.
271 
272           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
273 
274 config SAMSUNG_PM_CHECK_CHUNKSIZE
275         int "S3C2410 PM Suspend CRC Chunksize (KiB)"
276         depends on PM && SAMSUNG_PM_CHECK
277         default 64
278         help
279           Set the chunksize in Kilobytes of the CRC for checking memory
280           corruption over suspend and resume. A smaller value will mean that
281           the CRC data block will take more memory, but wil identify any
282           faults with better precision.
283 
284           See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
285 
286 config SAMSUNG_WAKEMASK
287         bool
288         depends on PM
289         help
290           Compile support for wakeup-mask controls found on the S3C6400
291           and above. This code allows a set of interrupt to wakeup-mask
292           mappings. See <plat/wakeup-mask.h>
293 
294 config SAMSUNG_WDT_RESET
295         bool
296         help
297           Compile support for system restart by triggering watchdog reset.
298           Used on SoCs that do not provide dedicated reset control.
299 
300 config DEBUG_S3C_UART
301         depends on PLAT_SAMSUNG
302         int
303         default "0" if DEBUG_S3C_UART0
304         default "1" if DEBUG_S3C_UART1
305         default "2" if DEBUG_S3C_UART2
306         default "3" if DEBUG_S3C_UART3
307 
308 endmenu
309 endif

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