target/linux/etrax/patches-2.6.25/500-i2c_gvc.patch

   1 Index: linux-2.6.25.20/arch/cris/arch-v10/drivers/Kconfig
   2 ===================================================================
   3 --- linux-2.6.25.20.orig/arch/cris/arch-v10/drivers/Kconfig     2009-02-09 09:30:40.000000000 +0100
   4 +++ linux-2.6.25.20/arch/cris/arch-v10/drivers/Kconfig  2009-02-09 21:23:12.000000000 +0100
   5 @@ -450,11 +450,18 @@
   6           i2c_arg = I2C_READARG(STA013_READ_ADDR, reg);
   7           val = ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_READREG), i2c_arg);
   8
   9 +config ETRAX_I2C_GVC
  10 +       bool "I2C GVC support"
  11 +       depends on ETRAX_ARCH_V10 && !ETRAX_I2C
  12 +       select ETRAX_I2C_USES_PB_NOT_PB_I2C
  13 +       help
  14 +         Enables an I2C driver with Geert Vancompernolle improvement.
  15 +
  16  # this is true for most products since PB-I2C seems to be somewhat
  17  # flawed..
  18  config ETRAX_I2C_USES_PB_NOT_PB_I2C
  19         bool "I2C uses PB not PB-I2C"
  20 -       depends on ETRAX_I2C
  21 +       depends on ETRAX_I2C || ETRAX_I2C_GVC
  22         help
  23           Select whether to use the special I2C mode in the PB I/O register or
  24           not.  This option needs to be selected in order to use some drivers
  25 @@ -478,7 +485,7 @@
  26
  27  config ETRAX_I2C_EEPROM
  28         bool "I2C EEPROM (non-volatile RAM) support"
  29 -       depends on ETRAX_I2C
  30 +       depends on ETRAX_I2C || ETRAX_I2C_GVC
  31         help
  32           Enables I2C EEPROM (non-volatile RAM) on PB0 and PB1 using the I2C
  33           driver.  Select size option: Probed, 2k, 8k, 16k.
  34 Index: linux-2.6.25.20/arch/cris/arch-v10/drivers/Makefile
  35 ===================================================================
  36 --- linux-2.6.25.20.orig/arch/cris/arch-v10/drivers/Makefile    2009-02-09 09:30:41.000000000 +0100
  37 +++ linux-2.6.25.20/arch/cris/arch-v10/drivers/Makefile 2009-02-09 09:35:39.000000000 +0100
  38 @@ -4,6 +4,7 @@
  39
  40  obj-$(CONFIG_ETRAX_AXISFLASHMAP)       += axisflashmap.o
  41  obj-$(CONFIG_ETRAX_I2C)                        += i2c.o
  42 +obj-$(CONFIG_ETRAX_I2C_GVC)            += i2c_gvc.o
  43  obj-$(CONFIG_ETRAX_I2C_EEPROM)         += eeprom.o
  44  obj-$(CONFIG_ETRAX_GPIO)               += gpio.o
  45  obj-$(CONFIG_ETRAX_DS1302)             += ds1302.o