target/linux/etrax/patches-2.6.32/500-i2c_gvc.patch

   1 --- a/arch/cris/arch-v10/drivers/Kconfig
   2 +++ b/arch/cris/arch-v10/drivers/Kconfig
   3 @@ -450,11 +450,31 @@ config ETRAX_I2C
   4           i2c_arg = I2C_READARG(STA013_READ_ADDR, reg);
   5           val = ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_READREG), i2c_arg);
   6
   7 +config ETRAX_I2C_GVC
   8 +       bool "I2C GVC support"
   9 +       depends on ETRAX_ARCH_V10 && !ETRAX_I2C
  10 +       select ETRAX_I2C_USES_PB_NOT_PB_I2C
  11 +       help
  12 +         Enables an I2C driver with Geert Vancompernolle improvement.
  13 +
  14 +config ETRAX_I2C_SLAVE_DELAY
  15 +       bool "I2C Slave delay support"
  16 +       depends on ETRAX_I2C_GVC  && EXPERIMENTAL
  17 +       help
  18 +         Enable this to enhanced master/slave dialog
  19 +         Improvement by Positive Going (www.positivegoing.it) and BK srl (www.b-k.it)
  20 +
  21 +config ETRAX_I2C_DYN_ALLOC
  22 +       bool "I2C major device dynamic alloc"
  23 +       depends on ETRAX_I2C_GVC && EXPERIMENTAL
  24 +       help
  25 +         Enable this to dynamicaly alloc major i2c device number
  26 +
  27  # this is true for most products since PB-I2C seems to be somewhat
  28  # flawed..
  29  config ETRAX_I2C_USES_PB_NOT_PB_I2C
  30         bool "I2C uses PB not PB-I2C"
  31 -       depends on ETRAX_I2C
  32 +       depends on ETRAX_I2C || ETRAX_I2C_GVC
  33         help
  34           Select whether to use the special I2C mode in the PB I/O register or
  35           not.  This option needs to be selected in order to use some drivers
  36 @@ -478,7 +498,7 @@ config ETRAX_I2C_CLK_PORT
  37
  38  config ETRAX_I2C_EEPROM
  39         bool "I2C EEPROM (non-volatile RAM) support"
  40 -       depends on ETRAX_I2C
  41 +       depends on ETRAX_I2C || ETRAX_I2C_GVC
  42         help
  43           Enables I2C EEPROM (non-volatile RAM) on PB0 and PB1 using the I2C
  44           driver.  Select size option: Probed, 2k, 8k, 16k.
  45 --- a/arch/cris/arch-v10/drivers/Makefile
  46 +++ b/arch/cris/arch-v10/drivers/Makefile
  47 @@ -4,6 +4,7 @@
  48
  49  obj-$(CONFIG_ETRAX_AXISFLASHMAP)       += axisflashmap.o
  50  obj-$(CONFIG_ETRAX_I2C)                        += i2c.o
  51 +obj-$(CONFIG_ETRAX_I2C_GVC)            += i2c_gvc.o
  52  obj-$(CONFIG_ETRAX_I2C_EEPROM)         += eeprom.o
  53  obj-$(CONFIG_ETRAX_GPIO)               += gpio.o
  54  obj-$(CONFIG_ETRAX_DS1302)             += ds1302.o