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openwrt-xburst/target/linux/adm5120/patches-2.6.22/300-i2c_gpio_custom.patch
juhosg 459f908815 [adm5120] add custom GPIO-based I2C driver
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9218 3c298f89-4303-0410-b956-a3cf2f4a3e73
2007-10-09 19:23:22 +00:00

54 lines
1.9 KiB
Diff

--- linux-2.6.22.4.orig/drivers/i2c/busses/Kconfig 2007-08-21 06:33:06.000000000 +0200
+++ linux-2.6.22.4/drivers/i2c/busses/Kconfig 2007-10-09 12:53:13.000000000 +0200
@@ -125,6 +125,40 @@
This is a very simple bitbanging I2C driver utilizing the
arch-neutral GPIO API to control the SCL and SDA lines.
+config I2C_GPIO_CUSTOM
+ tristate "Custom GPIO-based I2C device"
+ depends on GENERIC_GPIO
+ select I2C_GPIO
+ help
+ This is an I2C driver to register a custom i2c-gpio device.
+
+ This support is also available as a module. If so, the module
+ will be called i2c-gpio-dev.
+
+config I2C_GPIO_CUSTOM_SDA
+ int "Custom GPIO pin for SDA"
+ depends on I2C_GPIO_CUSTOM
+ default "0"
+ help
+ Enter the GPIO pin number used for the SDA signal. This value can
+ also be specified with a module parameter.
+
+config I2C_GPIO_CUSTOM_SCL
+ int "Custom GPIO pin for SCL"
+ depends on I2C_GPIO_CUSTOM
+ default "1"
+ help
+ Enter the GPIO pin number used for the SCL signal. This value can
+ also be specified with a module parameter.
+
+config I2C_GPIO_CUSTOM_DEVICE_ID
+ int "Custom GPIO device id"
+ depends on I2C_GPIO_CUSTOM
+ default "0"
+ help
+ Enter the number used for the device id of the custom i2c-gpio device.
+ This value can also be specified with a module parameter.
+
config I2C_HYDRA
tristate "CHRP Apple Hydra Mac I/O I2C interface"
depends on PCI && PPC_CHRP && EXPERIMENTAL
--- linux-2.6.22.4.orig/drivers/i2c/busses/Makefile 2007-08-21 06:33:06.000000000 +0200
+++ linux-2.6.22.4/drivers/i2c/busses/Makefile 2007-10-09 12:07:45.000000000 +0200
@@ -13,6 +13,7 @@
obj-$(CONFIG_I2C_BLACKFIN_TWI) += i2c-bfin-twi.o
obj-$(CONFIG_I2C_ELEKTOR) += i2c-elektor.o
obj-$(CONFIG_I2C_GPIO) += i2c-gpio.o
+obj-$(CONFIG_I2C_GPIO_CUSTOM) += i2c-gpio-custom.o
obj-$(CONFIG_I2C_HYDRA) += i2c-hydra.o
obj-$(CONFIG_I2C_I801) += i2c-i801.o
obj-$(CONFIG_I2C_I810) += i2c-i810.o