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Diffstat (limited to 'target/linux/etrax/patches-2.6.32/500-i2c_gvc.patch')
-rw-r--r--target/linux/etrax/patches-2.6.32/500-i2c_gvc.patch54
1 files changed, 54 insertions, 0 deletions
diff --git a/target/linux/etrax/patches-2.6.32/500-i2c_gvc.patch b/target/linux/etrax/patches-2.6.32/500-i2c_gvc.patch
new file mode 100644
index 0000000..16f9b93
--- /dev/null
+++ b/target/linux/etrax/patches-2.6.32/500-i2c_gvc.patch
@@ -0,0 +1,54 @@
+--- a/arch/cris/arch-v10/drivers/Kconfig
++++ b/arch/cris/arch-v10/drivers/Kconfig
+@@ -450,11 +450,31 @@ config ETRAX_I2C
+ 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.
++
++config ETRAX_I2C_SLAVE_DELAY
++ bool "I2C Slave delay support"
++ depends on ETRAX_I2C_GVC && EXPERIMENTAL
++ help
++ Enable this to enhanced master/slave dialog
++ Improvement by Positive Going (www.positivegoing.it) and BK srl (www.b-k.it)
++
++config ETRAX_I2C_DYN_ALLOC
++ bool "I2C major device dynamic alloc"
++ depends on ETRAX_I2C_GVC && EXPERIMENTAL
++ help
++ Enable this to dynamicaly alloc major i2c device number
++
+ # 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 +498,7 @@ config ETRAX_I2C_CLK_PORT
+
+ 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.
+--- a/arch/cris/arch-v10/drivers/Makefile
++++ b/arch/cris/arch-v10/drivers/Makefile
+@@ -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