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

42 lines
1.4 KiB
Diff
Raw Normal View History

2009-05-04 11:35:08 +00:00
--- a/arch/cris/arch-v10/drivers/Kconfig
+++ b/arch/cris/arch-v10/drivers/Kconfig
@@ -450,11 +450,18 @@ config ETRAX_I2C
2009-04-09 16:21:56 +00:00
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
2009-05-04 11:35:08 +00:00
@@ -478,7 +485,7 @@ config ETRAX_I2C_CLK_PORT
2009-04-09 16:21:56 +00:00
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.
2009-05-04 11:35:08 +00:00
--- a/arch/cris/arch-v10/drivers/Makefile
+++ b/arch/cris/arch-v10/drivers/Makefile
2009-04-09 16:21:56 +00:00
@@ -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