Add i2c driver (to etrax) improved by Geert Vancompernolle
[openwrt/svn-archive/archive.git] / 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