Root/target/linux/etrax/patches-2.6.32/500-i2c_gvc.patch

1--- a/arch/cris/arch-v10/drivers/Kconfig
2+++ b/arch/cris/arch-v10/drivers/Kconfig
3@@ -450,11 +450,31 @@ config ETRAX_I2C
4       i2c_arg = I2C_READARG(STA013_READ_ADDR, reg);
5       val = ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_READREG), i2c_arg);
6 
7+config ETRAX_I2C_GVC
8+ bool "I2C GVC support"
9+ depends on ETRAX_ARCH_V10 && !ETRAX_I2C
10+ select ETRAX_I2C_USES_PB_NOT_PB_I2C
11+ help
12+ Enables an I2C driver with Geert Vancompernolle improvement.
13+
14+config ETRAX_I2C_SLAVE_DELAY
15+ bool "I2C Slave delay support"
16+ depends on ETRAX_I2C_GVC && EXPERIMENTAL
17+ help
18+ Enable this to enhanced master/slave dialog
19+ Improvement by Positive Going (www.positivegoing.it) and BK srl (www.b-k.it)
20+
21+config ETRAX_I2C_DYN_ALLOC
22+ bool "I2C major device dynamic alloc"
23+ depends on ETRAX_I2C_GVC && EXPERIMENTAL
24+ help
25+ Enable this to dynamicaly alloc major i2c device number
26+
27 # this is true for most products since PB-I2C seems to be somewhat
28 # flawed..
29 config ETRAX_I2C_USES_PB_NOT_PB_I2C
30     bool "I2C uses PB not PB-I2C"
31- depends on ETRAX_I2C
32+ depends on ETRAX_I2C || ETRAX_I2C_GVC
33     help
34       Select whether to use the special I2C mode in the PB I/O register or
35       not. This option needs to be selected in order to use some drivers
36@@ -478,7 +498,7 @@ config ETRAX_I2C_CLK_PORT
37 
38 config ETRAX_I2C_EEPROM
39     bool "I2C EEPROM (non-volatile RAM) support"
40- depends on ETRAX_I2C
41+ depends on ETRAX_I2C || ETRAX_I2C_GVC
42     help
43       Enables I2C EEPROM (non-volatile RAM) on PB0 and PB1 using the I2C
44       driver. Select size option: Probed, 2k, 8k, 16k.
45--- a/arch/cris/arch-v10/drivers/Makefile
46+++ b/arch/cris/arch-v10/drivers/Makefile
47@@ -4,6 +4,7 @@
48 
49 obj-$(CONFIG_ETRAX_AXISFLASHMAP) += axisflashmap.o
50 obj-$(CONFIG_ETRAX_I2C) += i2c.o
51+obj-$(CONFIG_ETRAX_I2C_GVC) += i2c_gvc.o
52 obj-$(CONFIG_ETRAX_I2C_EEPROM) += eeprom.o
53 obj-$(CONFIG_ETRAX_GPIO) += gpio.o
54 obj-$(CONFIG_ETRAX_DS1302) += ds1302.o
55

Archive Download this file



interactive