arch/arm/plat-s3c24xx/Kconfig

   1 # arch/arm/plat-s3c24xx/Kconfig
   2 #
   3 # Copyright 2007 Simtec Electronics
   4 #
   5 # Licensed under GPLv2
   6
   7 config PLAT_S3C24XX
   8         bool
   9         depends on ARCH_S3C2410 || ARCH_S3C24A0
  10         default y
  11         select NO_IOPORT
  12         select ARCH_REQUIRE_GPIOLIB
  13         select S3C_DEVICE_NAND
  14         help
  15           Base platform code for any Samsung S3C24XX device
  16
  17 if PLAT_S3C24XX
  18
  19 # code that is shared between a number of the s3c24xx implementations
  20
  21 config S3C2410_CLOCK
  22         bool
  23         help
  24           Clock code for the S3C2410, and similar processors which
  25           is currently includes the S3C2410, S3C2440, S3C2442.
  26
  27 config S3C24XX_DCLK
  28         bool
  29         help
  30           Clock code for supporting DCLK/CLKOUT on S3C24XX architectures
  31
  32 config CPU_S3C244X
  33         bool
  34         depends on ARCH_S3C2410 && (CPU_S3C2440 || CPU_S3C2442)
  35         help
  36           Support for S3C2440 and S3C2442 Samsung Mobile CPU based systems.
  37
  38 config S3C2440_CPUFREQ
  39         bool "S3C2440/S3C2442 CPU Frequency scaling support"
  40         depends on CPU_FREQ_S3C24XX && (CPU_S3C2440 || CPU_S3C2442)
  41         select S3C2410_CPUFREQ_UTILS
  42         default y
  43         help
  44           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
  45
  46 config S3C2440_XTAL_12000000
  47         bool
  48         help
  49           Indicate that the build needs to support 12MHz system
  50           crystal.
  51
  52 config S3C2440_XTAL_16934400
  53         bool
  54         help
  55           Indicate that the build needs to support 16.9344MHz system
  56           crystal.
  57
  58 config S3C2440_PLL_12000000
  59         bool
  60         depends on S3C2440_CPUFREQ && S3C2440_XTAL_12000000
  61         default y if CPU_FREQ_S3C24XX_PLL
  62         help
  63           PLL tables for S3C2440 or S3C2442 CPUs with 12MHz crystals.
  64
  65 config S3C2440_PLL_16934400
  66         bool
  67         depends on S3C2440_CPUFREQ && S3C2440_XTAL_16934400
  68         default y if CPU_FREQ_S3C24XX_PLL
  69         help
  70           PLL tables for S3C2440 or S3C2442 CPUs with 16.934MHz crystals.
  71
  72 config S3C24XX_PWM
  73         bool "PWM device support"
  74         select HAVE_PWM
  75         help
  76           Support for exporting the PWM timer blocks via the pwm device
  77           system.
  78
  79
  80 # gpio configurations
  81
  82 config S3C24XX_GPIO_EXTRA
  83         int
  84         default 128 if S3C24XX_GPIO_EXTRA128
  85         default 64 if S3C24XX_GPIO_EXTRA64
  86         default 0
  87
  88 config S3C24XX_GPIO_EXTRA64
  89         bool
  90         help
  91           Add an extra 64 gpio numbers to the available GPIO pool. This is
  92           available for boards that need extra gpios for external devices.
  93
  94 config S3C24XX_GPIO_EXTRA128
  95         bool
  96         help
  97           Add an extra 128 gpio numbers to the available GPIO pool. This is
  98           available for boards that need extra gpios for external devices.
  99
 100 config PM_SIMTEC
 101         bool
 102         help
 103           Common power management code for systems that are
 104           compatible with the Simtec style of power management
 105
 106 config S3C2410_DMA
 107         bool "S3C2410 DMA support"
 108         depends on ARCH_S3C2410
 109         select S3C_DMA
 110         help
 111           S3C2410 DMA support. This is needed for drivers like sound which
 112           use the S3C2410's DMA system to move data to and from the
 113           peripheral blocks.
 114
 115 config S3C2410_DMA_DEBUG
 116         bool "S3C2410 DMA support debug"
 117         depends on ARCH_S3C2410 && S3C2410_DMA
 118         help
 119           Enable debugging output for the DMA code. This option sends info
 120           to the kernel log, at priority KERN_DEBUG.
 121
 122 config S3C24XX_ADC
 123         bool "ADC common driver support"
 124         help
 125           Core support for the ADC block found in the S3C24XX SoC systems
 126           for drivers such as the touchscreen and hwmon to use to share
 127           this resource.
 128
 129 # SPI default pin configuration code
 130
 131 config S3C24XX_SPI_BUS0_GPE11_GPE12_GPE13
 132         bool
 133         help
 134           SPI GPIO configuration code for BUS0 when connected to
 135           GPE11, GPE12 and GPE13.
 136
 137 config S3C24XX_SPI_BUS1_GPG5_GPG6_GPG7
 138         bool
 139         help
 140           SPI GPIO configuration code for BUS 1 when connected to
 141           GPG5, GPG6 and GPG7.
 142
 143 config S3C24XX_SPI_BUS1_GPD8_GPD9_GPD10
 144         bool
 145         help
 146           SPI GPIO configuration code for BUS 1 when connected to
 147           GPD8, GPD9 and GPD10.
 148
 149 # common code for s3c24xx based machines, such as the SMDKs.
 150
 151 # cpu frequency items common between s3c2410 and s3c2440/s3c2442
 152
 153 config S3C2410_IOTIMING
 154         bool
 155         depends on CPU_FREQ_S3C24XX
 156         help
 157           Internal node to select io timing code that is common to the s3c2410
 158           and s3c2440/s3c2442 cpu frequency support.
 159
 160 config S3C2410_CPUFREQ_UTILS
 161         bool
 162         depends on CPU_FREQ_S3C24XX
 163         help
 164           Internal node to select timing code that is common to the s3c2410
 165           and s3c2440/s3c244 cpu frequency support.
 166
 167 # cpu frequency support common to s3c2412, s3c2413 and s3c2442
 168
 169 config S3C2412_IOTIMING
 170         bool
 171         depends on CPU_FREQ_S3C24XX && (CPU_S3C2412 || CPU_S3C2443)
 172         help
 173           Intel node to select io timing code that is common to the s3c2412
 174           and the s3c2443.
 175
 176 config MACH_SMDK
 177         bool
 178         help
 179           Common machine code for SMDK2410 and SMDK2440
 180
 181 endif