LXR linux/Documentation/arm/samsung-s3c24xx/s3c2412.rst

   1==========================
   2S3C2412 ARM Linux Overview
   3==========================
   4
   5Introduction
   6------------
   7
   8  The S3C2412 is part of the S3C24XX range of ARM9 System-on-Chip CPUs
   9  from Samsung. This part has an ARM926-EJS core, capable of running up
  10  to 266MHz (see data-sheet for more information)
  11
  12
  13Clock
  14-----
  15
  16  The core clock code provides a set of clocks to the drivers, and allows
  17  for source selection and a number of other features.
  18
  19
  20Power
  21-----
  22
  23  No support for suspend/resume to RAM in the current system.
  24
  25
  26DMA
  27---
  28
  29  No current support for DMA.
  30
  31
  32GPIO
  33----
  34
  35  There is support for setting the GPIO to input/output/special function
  36  and reading or writing to them.
  37
  38
  39UART
  40----
  41
  42  The UART hardware is similar to the S3C2440, and is supported by the
  43  s3c2410 driver in the drivers/serial directory.
  44
  45
  46NAND
  47----
  48
  49  The NAND hardware is similar to the S3C2440, and is supported by the
  50  s3c2410 driver in the drivers/mtd/nand/raw directory.
  51
  52
  53USB Host
  54--------
  55
  56  The USB hardware is similar to the S3C2410, with extended clock source
  57  control. The OHCI portion is supported by the ohci-s3c2410 driver, and
  58  the clock control selection is supported by the core clock code.
  59
  60
  61USB Device
  62----------
  63
  64  No current support in the kernel
  65
  66
  67IRQs
  68----
  69
  70  All the standard, and external interrupt sources are supported. The
  71  extra sub-sources are not yet supported.
  72
  73
  74RTC
  75---
  76
  77  The RTC hardware is similar to the S3C2410, and is supported by the
  78  s3c2410-rtc driver.
  79
  80
  81Watchdog
  82--------
  83
  84  The watchdog hardware is the same as the S3C2410, and is supported by
  85  the s3c2410_wdt driver.
  86
  87
  88MMC/SD/SDIO
  89-----------
  90
  91  No current support for the MMC/SD/SDIO block.
  92
  93IIC
  94---
  95
  96  The IIC hardware is the same as the S3C2410, and is supported by the
  97  i2c-s3c24xx driver.
  98
  99
 100IIS
 101---
 102
 103  No current support for the IIS interface.
 104
 105
 106SPI
 107---
 108
 109  No current support for the SPI interfaces.
 110
 111
 112ATA
 113---
 114
 115  No current support for the on-board ATA block.
 116
 117
 118Document Author
 119---------------
 120
 121Ben Dooks, Copyright 2006 Simtec Electronics
 122