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gerrit-public.fairphone.software / kernel / msm / 6cd82ffe0cd3836b32b29bd1436e5fd551957d54 / . / arch / arm / plat-samsung / Kconfig
blob: 7a36cf85e138aa389f16ad4e8599f0b4da5451fe [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
9 depends on ARCH_S3C2410 || ARCH_S3C24A0 || ARCH_S3C64XX || ARCH_S5PC1XX
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
93config S5P_GPIO_CFG_S5PC1XX
94 bool
95 help
96 Internal configuration to enable S5PC1XX style GPIO configuration
97 functions.
98
99config S3C_GPIO_PULL_UPDOWN
100 bool
101 help
102 Internal configuration to enable the correct GPIO pull helper
103
104config S3C_GPIO_PULL_DOWN
105 bool
106 help
107 Internal configuration to enable the correct GPIO pull helper
108
109config S3C_GPIO_PULL_UP
110 bool
111 help
112 Internal configuration to enable the correct GPIO pull 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
Maurus Cuelenaere6cd82ff2010-05-04 13:12:32 +0200[diff] [blame^]163config S3C_DEV_HWMON
164 bool
165 help
166 Compile in platform device definitions for HWMON
167
Ben Dooksb6a60412010-01-06 02:45:09 +0900[diff] [blame]168config S3C_DEV_I2C1
169 bool
170 help
171 Compile in platform device definitions for I2C channel 1
172
173config S3C_DEV_FB
174 bool
175 help
176 Compile in platform device definition for framebuffer
177
178config S3C_DEV_USB_HOST
179 bool
180 help
181 Compile in platform device definition for USB host.
182
183config S3C_DEV_USB_HSOTG
184 bool
185 help
186 Compile in platform device definition for USB high-speed OtG
187
188config S3C_DEV_NAND
189 bool
190 help
191 Compile in platform device definition for NAND controller
192
Jassi Brar4b4c6622010-01-28 17:14:49 +0900[diff] [blame]193config S3C64XX_DEV_SPI
194 bool
195 help
196 Compile in platform device definitions for S3C64XX's type
197 SPI controllers.
198
Ben Dooks89f1fa02010-01-29 09:02:17 +0000[diff] [blame]199# DMA
200
201config S3C_DMA
202 bool
203 help
204 Internal configuration for S3C DMA core
205
Ben Dooks80057452010-01-20 12:29:25 +0900[diff] [blame]206comment "Power management"
207
208config SAMSUNG_PM_DEBUG
209 bool "S3C2410 PM Suspend debug"
210 depends on PM
211 help
212 Say Y here if you want verbose debugging from the PM Suspend and
213 Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
214 for more information.
215
216config S3C_PM_DEBUG_LED_SMDK
217 bool "SMDK LED suspend/resume debugging"
218 depends on PM && (MACH_SMDK6410)
219 help
220 Say Y here to enable the use of the SMDK LEDs on the baseboard
221 for debugging of the state of the suspend and resume process.
222
223 Note, this currently only works for S3C64XX based SMDK boards.
224
225config SAMSUNG_PM_CHECK
226 bool "S3C2410 PM Suspend Memory CRC"
227 depends on PM && CRC32
228 help
229 Enable the PM code's memory area checksum over sleep. This option
230 will generate CRCs of all blocks of memory, and store them before
231 going to sleep. The blocks are then checked on resume for any
232 errors.
233
234 Note, this can take several seconds depending on memory size
235 and CPU speed.
236
237 See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
238
239config SAMSUNG_PM_CHECK_CHUNKSIZE
240 int "S3C2410 PM Suspend CRC Chunksize (KiB)"
241 depends on PM && SAMSUNG_PM_CHECK
242 default 64
243 help
244 Set the chunksize in Kilobytes of the CRC for checking memory
245 corruption over suspend and resume. A smaller value will mean that
246 the CRC data block will take more memory, but wil identify any
247 faults with better precision.
248
249 See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
250
Ben Dookscf383672009-11-10 00:14:58 +0000[diff] [blame]251endif