target/linux/etrax/patches-2.6.30/500-i2c_gvc.patch

   1 --- a/arch/cris/arch-v10/drivers/Kconfig
   2 +++ b/arch/cris/arch-v10/drivers/Kconfig
   3 @@ -450,11 +450,18 @@ 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  # this is true for most products since PB-I2C seems to be somewhat
  15  # flawed..
  16  config ETRAX_I2C_USES_PB_NOT_PB_I2C
  17         bool "I2C uses PB not PB-I2C"
  18 -       depends on ETRAX_I2C
  19 +       depends on ETRAX_I2C || ETRAX_I2C_GVC
  20         help
  21           Select whether to use the special I2C mode in the PB I/O register or
  22           not.  This option needs to be selected in order to use some drivers
  23 @@ -478,7 +485,7 @@ config ETRAX_I2C_CLK_PORT
  24
  25  config ETRAX_I2C_EEPROM
  26         bool "I2C EEPROM (non-volatile RAM) support"
  27 -       depends on ETRAX_I2C
  28 +       depends on ETRAX_I2C || ETRAX_I2C_GVC
  29         help
  30           Enables I2C EEPROM (non-volatile RAM) on PB0 and PB1 using the I2C
  31           driver.  Select size option: Probed, 2k, 8k, 16k.
  32 --- a/arch/cris/arch-v10/drivers/Makefile
  33 +++ b/arch/cris/arch-v10/drivers/Makefile
  34 @@ -4,6 +4,7 @@
  35
  36  obj-$(CONFIG_ETRAX_AXISFLASHMAP)       += axisflashmap.o
  37  obj-$(CONFIG_ETRAX_I2C)                        += i2c.o
  38 +obj-$(CONFIG_ETRAX_I2C_GVC)            += i2c_gvc.o
  39  obj-$(CONFIG_ETRAX_I2C_EEPROM)         += eeprom.o
  40  obj-$(CONFIG_ETRAX_GPIO)               += gpio.o
  41  obj-$(CONFIG_ETRAX_DS1302)             += ds1302.o