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gerrit-public.fairphone.software / kernel / msm-4.9 / bc6149587b309e3231e5ac7138b84197813e17ec / . / arch / arm / plat-samsung / Kconfig
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Ben Dookscf383672009-11-10 00:14:58 +0000[diff] [blame]1# arch/arm/plat-samsung/Kconfig
2#
3# Copyright 2009 Simtec Electronics
4#
5# Licensed under GPLv2
6
7config PLAT_SAMSUNG
8 bool
Kukjin Kim2d4a3b72010-08-13 14:38:52 +0900[diff] [blame]9 depends on PLAT_S3C24XX || ARCH_S3C64XX || PLAT_S5P
Ben Dooksae5fa352010-01-29 09:02:19 +0000[diff] [blame]10 select NO_IOPORT
Mark Brown878ccdc2011-05-19 23:10:13 +0100[diff] [blame]11 select GENERIC_IRQ_CHIP
Ben Dookscf383672009-11-10 00:14:58 +0000[diff] [blame]12 default y
13 help
14 Base platform code for all Samsung SoC based systems
15
16if PLAT_SAMSUNG
17
Ben Dooks89f1fa02010-01-29 09:02:17 +0000[diff] [blame]18# boot configurations
19
20comment "Boot options"
21
22config S3C_BOOT_WATCHDOG
23 bool "S3C Initialisation watchdog"
24 depends on S3C2410_WATCHDOG
25 help
26 Say y to enable the watchdog during the kernel decompression
27 stage. If the kernel fails to uncompress, then the watchdog
28 will trigger a reset and the system should restart.
29
30config S3C_BOOT_ERROR_RESET
31 bool "S3C Reboot on decompression error"
32 help
33 Say y here to use the watchdog to reset the system if the
34 kernel decompressor detects an error during decompression.
35
36config S3C_BOOT_UART_FORCE_FIFO
37 bool "Force UART FIFO on during boot process"
38 default y
39 help
40 Say Y here to force the UART FIFOs on during the kernel
41 uncompressor
42
43
44config S3C_LOWLEVEL_UART_PORT
45 int "S3C UART to use for low-level messages"
46 default 0
47 help
48 Choice of which UART port to use for the low-level messages,
49 such as the `Uncompressing...` at start time. The value of
50 this configuration should be between zero and two. The port
51 must have been initialised by the boot-loader before use.
52
53# clock options
54
Harald Welteaa9ad6a2009-12-01 01:24:34 +0000[diff] [blame]55config SAMSUNG_CLKSRC
56 bool
57 help
58 Select the clock code for the clksrc implementation
59 used by newer systems such as the S3C64XX.
Ben Dookscf383672009-11-10 00:14:58 +0000[diff] [blame]60
Ben Dooks7162ba02010-01-06 10:14:51 +0900[diff] [blame]61# options for IRQ support
62
63config SAMSUNG_IRQ_VIC_TIMER
64 bool
65 help
66 Internal configuration to build the VIC timer interrupt code.
67
Ben Dooks51022cf2010-01-06 11:18:44 +0900[diff] [blame]68config SAMSUNG_IRQ_UART
69 bool
70 help
71 Internal configuration to build the IRQ UART demux code.
72
Ben Dooks4f830db2010-01-06 02:28:20 +0900[diff] [blame]73# options for gpio configuration support
74
Kukjin Kim1f323cf2010-01-19 15:30:54 +0900[diff] [blame]75config SAMSUNG_GPIOLIB_4BIT
76 bool
77 help
78 GPIOlib file contains the 4 bit modification functions for gpio
79 configuration. GPIOlib shall be compiled only for S3C64XX and S5P
80 series of processors.
81
Ben Dooks4f830db2010-01-06 02:28:20 +0900[diff] [blame]82config S3C_GPIO_CFG_S3C24XX
83 bool
84 help
85 Internal configuration to enable S3C24XX style GPIO configuration
86 functions.
87
88config S3C_GPIO_CFG_S3C64XX
89 bool
90 help
91 Internal configuration to enable S3C64XX style GPIO configuration
92 functions.
93
Ben Dooks4f830db2010-01-06 02:28:20 +0900[diff] [blame]94config S3C_GPIO_PULL_UPDOWN
95 bool
96 help
97 Internal configuration to enable the correct GPIO pull helper
98
Yauhen Kharuzhy0536d0d2011-01-06 13:04:33 +0900[diff] [blame]99config S3C_GPIO_PULL_S3C2443
100 bool
101 select S3C_GPIO_PULL_UPDOWN
102 help
103 Internal configuration to enable the correct GPIO pull helper for S3C2443-style GPIO
104
Ben Dooks4f830db2010-01-06 02:28:20 +0900[diff] [blame]105config S3C_GPIO_PULL_DOWN
106 bool
107 help
108 Internal configuration to enable the correct GPIO pull helper
109
110config S3C_GPIO_PULL_UP
111 bool
112 help
113 Internal configuration to enable the correct GPIO pull helper
114
Marek Szyprowski838c6d42010-05-18 12:23:36 +0200[diff] [blame]115config S5P_GPIO_DRVSTR
116 bool
117 help
118 Internal configuration to get and set correct GPIO driver strength
119 helper
120
Kukjin Kim85841bc2010-01-11 12:21:51 +0900[diff] [blame]121config SAMSUNG_GPIO_EXTRA
122 int "Number of additional GPIO pins"
123 default 0
124 help
125 Use additional GPIO space in addition to the GPIO's the SOC
126 provides. This allows expanding the GPIO space for use with
127 GPIO expanders.
128
Ben Dooks89f1fa02010-01-29 09:02:17 +0000[diff] [blame]129config S3C_GPIO_SPACE
130 int "Space between gpio banks"
131 default 0
132 help
133 Add a number of spare GPIO entries between each bank for debugging
134 purposes. This allows any problems where an counter overflows from
135 one bank to another to be caught, at the expense of using a little
136 more memory.
137
138config S3C_GPIO_TRACK
139 bool
140 help
141 Internal configuration option to enable the s3c specific gpio
142 chip tracking if the platform requires it.
143
Maurus Cuelenaere3929e1e2010-01-14 00:30:31 +0100[diff] [blame]144# ADC driver
145
146config S3C_ADC
147 bool "ADC common driver support"
148 help
149 Core support for the ADC block found in the Samsung SoC systems
150 for drivers such as the touchscreen and hwmon to use to share
151 this resource.
152
Ben Dooksb6a60412010-01-06 02:45:09 +0900[diff] [blame]153# device definitions to compile in
154
155config S3C_DEV_HSMMC
156 bool
157 help
158 Compile in platform device definitions for HSMMC code
159
160config S3C_DEV_HSMMC1
161 bool
162 help
163 Compile in platform device definitions for HSMMC channel 1
164
165config S3C_DEV_HSMMC2
166 bool
167 help
168 Compile in platform device definitions for HSMMC channel 2
169
Hyuk Leeb3c674b2010-06-10 15:22:16 +0900[diff] [blame]170config S3C_DEV_HSMMC3
171 bool
172 help
173 Compile in platform device definitions for HSMMC channel 3
174
Maurus Cuelenaere6cd82ff2010-05-04 13:12:32 +0200[diff] [blame]175config S3C_DEV_HWMON
176 bool
177 help
178 Compile in platform device definitions for HWMON
179
Ben Dooksb6a60412010-01-06 02:45:09 +0900[diff] [blame]180config S3C_DEV_I2C1
181 bool
182 help
183 Compile in platform device definitions for I2C channel 1
184
Marek Szyprowskic8d833b2010-05-20 08:13:06 +0200[diff] [blame]185config S3C_DEV_I2C2
186 bool
187 help
188 Compile in platform device definitions for I2C channel 2
189
Kyungmin Parkb7a98252010-10-12 07:49:24 +0900[diff] [blame]190config S3C_DEV_I2C3
191 bool
192 help
193 Compile in platform device definition for I2C controller 3
194
195config S3C_DEV_I2C4
196 bool
197 help
198 Compile in platform device definition for I2C controller 4
199
200config S3C_DEV_I2C5
201 bool
202 help
203 Compile in platform device definition for I2C controller 5
204
205config S3C_DEV_I2C6
206 bool
207 help
208 Compile in platform device definition for I2C controller 6
209
210config S3C_DEV_I2C7
211 bool
212 help
213 Compile in platform device definition for I2C controller 7
214
Ben Dooksb6a60412010-01-06 02:45:09 +0900[diff] [blame]215config S3C_DEV_FB
216 bool
217 help
218 Compile in platform device definition for framebuffer
219
220config S3C_DEV_USB_HOST
221 bool
222 help
223 Compile in platform device definition for USB host.
224
225config S3C_DEV_USB_HSOTG
226 bool
227 help
228 Compile in platform device definition for USB high-speed OtG
229
Banajit Goswamie1d5c932010-05-19 15:42:29 +0900[diff] [blame]230config S3C_DEV_WDT
231 bool
232 default y if ARCH_S3C2410
233 help
234 Complie in platform device definition for Watchdog Timer
235
Ben Dooksb6a60412010-01-06 02:45:09 +0900[diff] [blame]236config S3C_DEV_NAND
237 bool
238 help
239 Compile in platform device definition for NAND controller
240
Marek Szyprowski999304b2010-05-20 08:59:05 +0200[diff] [blame]241config S3C_DEV_ONENAND
242 bool
243 help
244 Compile in platform device definition for OneNAND controller
245
Atul Dahiyaadc0950c2010-05-18 14:58:56 +0900[diff] [blame]246config S3C_DEV_RTC
247 bool
248 help
249 Complie in platform device definition for RTC
250
Naveen Krishna4f7cdc32010-05-13 22:06:36 +0900[diff] [blame]251config SAMSUNG_DEV_ADC
252 bool
253 help
254 Compile in platform device definition for ADC controller
255
Abhilash Kesavandb900052010-06-08 16:38:20 +0900[diff] [blame]256config SAMSUNG_DEV_IDE
257 bool
258 help
259 Compile in platform device definitions for IDE
260
Jassi Brar4b4c6622010-01-28 17:14:49 +0900[diff] [blame]261config S3C64XX_DEV_SPI
262 bool
263 help
264 Compile in platform device definitions for S3C64XX's type
265 SPI controllers.
266
Ben Dooks2b6c02a2010-05-19 14:36:28 +0900[diff] [blame]267config SAMSUNG_DEV_TS
Maurus Cuelenaere909de0d2010-05-04 13:12:44 +0200[diff] [blame]268 bool
269 help
Ben Dooks2b6c02a2010-05-19 14:36:28 +0900[diff] [blame]270 Common in platform device definitions for touchscreen device
Maurus Cuelenaere909de0d2010-05-04 13:12:44 +0200[diff] [blame]271
Joonyoung Shim995c48a2010-08-06 19:26:10 +0900[diff] [blame]272config SAMSUNG_DEV_KEYPAD
273 bool
274 help
275 Compile in platform device definitions for keypad
276
Banajit Goswami2ce30132011-02-28 22:24:51 +0530[diff] [blame]277config SAMSUNG_DEV_PWM
278 bool
279 default y if ARCH_S3C2410
280 help
281 Compile in platform device definition for PWM Timer
282
283config S3C24XX_PWM
284 bool "PWM device support"
285 select HAVE_PWM
286 help
287 Support for exporting the PWM timer blocks via the pwm device
288 system
289
Ben Dooks89f1fa02010-01-29 09:02:17 +0000[diff] [blame]290# DMA
291
292config S3C_DMA
293 bool
294 help
295 Internal configuration for S3C DMA core
296
Jassi Brard800ede2010-05-18 11:59:06 +0900[diff] [blame]297config S3C_PL330_DMA
298 bool
299 select PL330
300 help
301 S3C DMA API Driver for PL330 DMAC.
302
Ben Dooks80057452010-01-20 12:29:25 +0900[diff] [blame]303comment "Power management"
304
305config SAMSUNG_PM_DEBUG
306 bool "S3C2410 PM Suspend debug"
307 depends on PM
308 help
309 Say Y here if you want verbose debugging from the PM Suspend and
310 Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
311 for more information.
312
313config S3C_PM_DEBUG_LED_SMDK
314 bool "SMDK LED suspend/resume debugging"
315 depends on PM && (MACH_SMDK6410)
316 help
317 Say Y here to enable the use of the SMDK LEDs on the baseboard
318 for debugging of the state of the suspend and resume process.
319
320 Note, this currently only works for S3C64XX based SMDK boards.
321
322config SAMSUNG_PM_CHECK
323 bool "S3C2410 PM Suspend Memory CRC"
324 depends on PM && CRC32
325 help
326 Enable the PM code's memory area checksum over sleep. This option
327 will generate CRCs of all blocks of memory, and store them before
328 going to sleep. The blocks are then checked on resume for any
329 errors.
330
331 Note, this can take several seconds depending on memory size
332 and CPU speed.
333
334 See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
335
336config SAMSUNG_PM_CHECK_CHUNKSIZE
337 int "S3C2410 PM Suspend CRC Chunksize (KiB)"
338 depends on PM && SAMSUNG_PM_CHECK
339 default 64
340 help
341 Set the chunksize in Kilobytes of the CRC for checking memory
342 corruption over suspend and resume. A smaller value will mean that
343 the CRC data block will take more memory, but wil identify any
344 faults with better precision.
345
346 See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
347
Ben Dooks0317e522010-05-20 14:05:33 +0900[diff] [blame]348config SAMSUNG_WAKEMASK
349 bool
350 depends on PM
351 help
352 Compile support for wakeup-mask controls found on the S3C6400
353 and above. This code allows a set of interrupt to wakeup-mask
354 mappings. See <plat/wakeup-mask.h>
355
Changhwan Yound9305962010-12-03 17:14:57 +0900[diff] [blame]356comment "Power Domain"
357
358config SAMSUNG_PD
359 bool "Samsung Power Domain"
360 depends on PM_RUNTIME
361 help
362 Say Y here if you want to control Power Domain by Runtime PM.
363
Ben Dookscf383672009-11-10 00:14:58 +0000[diff] [blame]364endif