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gerrit-public.fairphone.software / kernel / msm-4.9 / ab263f47c9781a644de8b28013434b645082922e / . / arch / arm / plat-samsung / Kconfig
blob: 7c0bde78116755dde5d24799b45ecedb36bb8b8b [file] [log] [blame]
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
Ben Dookscf383672009-11-10 00:14:58 +0000[diff] [blame]11 default y
12 help
13 Base platform code for all Samsung SoC based systems
14
15if PLAT_SAMSUNG
16
Ben Dooks89f1fa02010-01-29 09:02:17 +0000[diff] [blame]17# boot configurations
18
19comment "Boot options"
20
21config S3C_BOOT_WATCHDOG
22 bool "S3C Initialisation watchdog"
23 depends on S3C2410_WATCHDOG
24 help
25 Say y to enable the watchdog during the kernel decompression
26 stage. If the kernel fails to uncompress, then the watchdog
27 will trigger a reset and the system should restart.
28
29config S3C_BOOT_ERROR_RESET
30 bool "S3C Reboot on decompression error"
31 help
32 Say y here to use the watchdog to reset the system if the
33 kernel decompressor detects an error during decompression.
34
35config S3C_BOOT_UART_FORCE_FIFO
36 bool "Force UART FIFO on during boot process"
37 default y
38 help
39 Say Y here to force the UART FIFOs on during the kernel
40 uncompressor
41
42
43config S3C_LOWLEVEL_UART_PORT
44 int "S3C UART to use for low-level messages"
45 default 0
46 help
47 Choice of which UART port to use for the low-level messages,
48 such as the `Uncompressing...` at start time. The value of
49 this configuration should be between zero and two. The port
50 must have been initialised by the boot-loader before use.
51
52# clock options
53
Harald Welteaa9ad6a2009-12-01 01:24:34 +0000[diff] [blame]54config SAMSUNG_CLKSRC
55 bool
56 help
57 Select the clock code for the clksrc implementation
58 used by newer systems such as the S3C64XX.
Ben Dookscf383672009-11-10 00:14:58 +0000[diff] [blame]59
Ben Dooks7162ba02010-01-06 10:14:51 +0900[diff] [blame]60# options for IRQ support
61
62config SAMSUNG_IRQ_VIC_TIMER
63 bool
64 help
65 Internal configuration to build the VIC timer interrupt code.
66
Ben Dooks51022cf2010-01-06 11:18:44 +0900[diff] [blame]67config SAMSUNG_IRQ_UART
68 bool
69 help
70 Internal configuration to build the IRQ UART demux code.
71
Ben Dooks4f830db2010-01-06 02:28:20 +0900[diff] [blame]72# options for gpio configuration support
73
Kukjin Kim1f323cf2010-01-19 15:30:54 +0900[diff] [blame]74config SAMSUNG_GPIOLIB_4BIT
75 bool
76 help
77 GPIOlib file contains the 4 bit modification functions for gpio
78 configuration. GPIOlib shall be compiled only for S3C64XX and S5P
79 series of processors.
80
Ben Dooks4f830db2010-01-06 02:28:20 +0900[diff] [blame]81config S3C_GPIO_CFG_S3C24XX
82 bool
83 help
84 Internal configuration to enable S3C24XX style GPIO configuration
85 functions.
86
87config S3C_GPIO_CFG_S3C64XX
88 bool
89 help
90 Internal configuration to enable S3C64XX style GPIO configuration
91 functions.
92
Ben Dooks4f830db2010-01-06 02:28:20 +0900[diff] [blame]93config S3C_GPIO_PULL_UPDOWN
94 bool
95 help
96 Internal configuration to enable the correct GPIO pull helper
97
98config S3C_GPIO_PULL_DOWN
99 bool
100 help
101 Internal configuration to enable the correct GPIO pull helper
102
103config S3C_GPIO_PULL_UP
104 bool
105 help
106 Internal configuration to enable the correct GPIO pull helper
107
Marek Szyprowski838c6d42010-05-18 12:23:36 +0200[diff] [blame]108config S5P_GPIO_DRVSTR
109 bool
110 help
111 Internal configuration to get and set correct GPIO driver strength
112 helper
113
Kukjin Kim85841bc2010-01-11 12:21:51 +0900[diff] [blame]114config SAMSUNG_GPIO_EXTRA
115 int "Number of additional GPIO pins"
116 default 0
117 help
118 Use additional GPIO space in addition to the GPIO's the SOC
119 provides. This allows expanding the GPIO space for use with
120 GPIO expanders.
121
Ben Dooks89f1fa02010-01-29 09:02:17 +0000[diff] [blame]122config S3C_GPIO_SPACE
123 int "Space between gpio banks"
124 default 0
125 help
126 Add a number of spare GPIO entries between each bank for debugging
127 purposes. This allows any problems where an counter overflows from
128 one bank to another to be caught, at the expense of using a little
129 more memory.
130
131config S3C_GPIO_TRACK
132 bool
133 help
134 Internal configuration option to enable the s3c specific gpio
135 chip tracking if the platform requires it.
136
Maurus Cuelenaere3929e1e2010-01-14 00:30:31 +0100[diff] [blame]137# ADC driver
138
139config S3C_ADC
140 bool "ADC common driver support"
141 help
142 Core support for the ADC block found in the Samsung SoC systems
143 for drivers such as the touchscreen and hwmon to use to share
144 this resource.
145
Ben Dooksb6a60412010-01-06 02:45:09 +0900[diff] [blame]146# device definitions to compile in
147
148config S3C_DEV_HSMMC
149 bool
150 help
151 Compile in platform device definitions for HSMMC code
152
153config S3C_DEV_HSMMC1
154 bool
155 help
156 Compile in platform device definitions for HSMMC channel 1
157
158config S3C_DEV_HSMMC2
159 bool
160 help
161 Compile in platform device definitions for HSMMC channel 2
162
Hyuk Leeb3c674b2010-06-10 15:22:16 +0900[diff] [blame]163config S3C_DEV_HSMMC3
164 bool
165 help
166 Compile in platform device definitions for HSMMC channel 3
167
Maurus Cuelenaere6cd82ff2010-05-04 13:12:32 +0200[diff] [blame]168config S3C_DEV_HWMON
169 bool
170 help
171 Compile in platform device definitions for HWMON
172
Ben Dooksb6a60412010-01-06 02:45:09 +0900[diff] [blame]173config S3C_DEV_I2C1
174 bool
175 help
176 Compile in platform device definitions for I2C channel 1
177
Marek Szyprowskic8d833b2010-05-20 08:13:06 +0200[diff] [blame]178config S3C_DEV_I2C2
179 bool
180 help
181 Compile in platform device definitions for I2C channel 2
182
Ben Dooksb6a60412010-01-06 02:45:09 +0900[diff] [blame]183config S3C_DEV_FB
184 bool
185 help
186 Compile in platform device definition for framebuffer
187
188config S3C_DEV_USB_HOST
189 bool
190 help
191 Compile in platform device definition for USB host.
192
193config S3C_DEV_USB_HSOTG
194 bool
195 help
196 Compile in platform device definition for USB high-speed OtG
197
Banajit Goswamie1d5c932010-05-19 15:42:29 +0900[diff] [blame]198config S3C_DEV_WDT
199 bool
200 default y if ARCH_S3C2410
201 help
202 Complie in platform device definition for Watchdog Timer
203
Ben Dooksb6a60412010-01-06 02:45:09 +0900[diff] [blame]204config S3C_DEV_NAND
205 bool
206 help
207 Compile in platform device definition for NAND controller
208
Marek Szyprowski999304b2010-05-20 08:59:05 +0200[diff] [blame]209config S3C_DEV_ONENAND
210 bool
211 help
212 Compile in platform device definition for OneNAND controller
213
Atul Dahiyaadc0950c2010-05-18 14:58:56 +0900[diff] [blame]214config S3C_DEV_RTC
215 bool
216 help
217 Complie in platform device definition for RTC
218
Naveen Krishna4f7cdc32010-05-13 22:06:36 +0900[diff] [blame]219config SAMSUNG_DEV_ADC
220 bool
221 help
222 Compile in platform device definition for ADC controller
223
Abhilash Kesavandb900052010-06-08 16:38:20 +0900[diff] [blame]224config SAMSUNG_DEV_IDE
225 bool
226 help
227 Compile in platform device definitions for IDE
228
Jassi Brar4b4c6622010-01-28 17:14:49 +0900[diff] [blame]229config S3C64XX_DEV_SPI
230 bool
231 help
232 Compile in platform device definitions for S3C64XX's type
233 SPI controllers.
234
Ben Dooks2b6c02a2010-05-19 14:36:28 +0900[diff] [blame]235config SAMSUNG_DEV_TS
Maurus Cuelenaere909de0d2010-05-04 13:12:44 +0200[diff] [blame]236 bool
237 help
Ben Dooks2b6c02a2010-05-19 14:36:28 +0900[diff] [blame]238 Common in platform device definitions for touchscreen device
Maurus Cuelenaere909de0d2010-05-04 13:12:44 +0200[diff] [blame]239
Joonyoung Shim995c48a2010-08-06 19:26:10 +0900[diff] [blame]240config SAMSUNG_DEV_KEYPAD
241 bool
242 help
243 Compile in platform device definitions for keypad
244
Ben Dooks89f1fa02010-01-29 09:02:17 +0000[diff] [blame]245# DMA
246
247config S3C_DMA
248 bool
249 help
250 Internal configuration for S3C DMA core
251
Jassi Brard800ede2010-05-18 11:59:06 +0900[diff] [blame]252config S3C_PL330_DMA
253 bool
254 select PL330
255 help
256 S3C DMA API Driver for PL330 DMAC.
257
Ben Dooks80057452010-01-20 12:29:25 +0900[diff] [blame]258comment "Power management"
259
260config SAMSUNG_PM_DEBUG
261 bool "S3C2410 PM Suspend debug"
262 depends on PM
263 help
264 Say Y here if you want verbose debugging from the PM Suspend and
265 Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
266 for more information.
267
268config S3C_PM_DEBUG_LED_SMDK
269 bool "SMDK LED suspend/resume debugging"
270 depends on PM && (MACH_SMDK6410)
271 help
272 Say Y here to enable the use of the SMDK LEDs on the baseboard
273 for debugging of the state of the suspend and resume process.
274
275 Note, this currently only works for S3C64XX based SMDK boards.
276
277config SAMSUNG_PM_CHECK
278 bool "S3C2410 PM Suspend Memory CRC"
279 depends on PM && CRC32
280 help
281 Enable the PM code's memory area checksum over sleep. This option
282 will generate CRCs of all blocks of memory, and store them before
283 going to sleep. The blocks are then checked on resume for any
284 errors.
285
286 Note, this can take several seconds depending on memory size
287 and CPU speed.
288
289 See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
290
291config SAMSUNG_PM_CHECK_CHUNKSIZE
292 int "S3C2410 PM Suspend CRC Chunksize (KiB)"
293 depends on PM && SAMSUNG_PM_CHECK
294 default 64
295 help
296 Set the chunksize in Kilobytes of the CRC for checking memory
297 corruption over suspend and resume. A smaller value will mean that
298 the CRC data block will take more memory, but wil identify any
299 faults with better precision.
300
301 See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
302
Ben Dooks0317e522010-05-20 14:05:33 +0900[diff] [blame]303config SAMSUNG_WAKEMASK
304 bool
305 depends on PM
306 help
307 Compile support for wakeup-mask controls found on the S3C6400
308 and above. This code allows a set of interrupt to wakeup-mask
309 mappings. See <plat/wakeup-mask.h>
310
Ben Dookscf383672009-11-10 00:14:58 +0000[diff] [blame]311endif