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CONFIG_ETRAX_I2C: I2C support

General informations

The Linux kernel configuration item CONFIG_ETRAX_I2C has multiple definitions:

I2C driver found in arch/cris/arch-v32/drivers/Kconfig

The configuration item CONFIG_ETRAX_I2C:

Help text

This option enables the I2C driver used by e.g. the RTC driver.

I2C support found in arch/cris/arch-v10/drivers/Kconfig

The configuration item CONFIG_ETRAX_I2C:

Help text

Enables an I2C driver on ETRAX100. EXAMPLE usage: i2c_arg = I2C_WRITEARG(STA013_WRITE_ADDR, reg, val); ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_WRITEREG), i2c_arg); i2c_arg = I2C_READARG(STA013_READ_ADDR, reg); val = ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_READREG), i2c_arg);

Hardware

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