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openwrt-xburst/target/linux/etrax/patches-2.6.25/500-i2c_gvc.patch
claudio 85a0242c71 Add i2c driver (to etrax) improved by Geert Vancompernolle
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14462 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-02-09 21:38:27 +00:00

46 lines
1.9 KiB
Diff

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