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Diffstat (limited to 'Documentation/i2c/busses/i2c-parport-light.rst')
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diff --git a/Documentation/i2c/busses/i2c-parport-light.rst b/Documentation/i2c/busses/i2c-parport-light.rst new file mode 100644 index 000000000000..e73af975d2c8 --- /dev/null +++ b/Documentation/i2c/busses/i2c-parport-light.rst @@ -0,0 +1,24 @@ +=============================== +Kernel driver i2c-parport-light +=============================== + +Author: Jean Delvare <jdelvare@suse.de> + +This driver is a light version of i2c-parport. It doesn't depend +on the parport driver, and uses direct I/O access instead. This might be +preferred on embedded systems where wasting memory for the clean but heavy +parport handling is not an option. The drawback is a reduced portability +and the impossibility to daisy-chain other parallel port devices. + +Please see i2c-parport for documentation. + +Module parameters: + +* type: type of adapter (see i2c-parport or modinfo) + +* base: base I/O address + Default is 0x378 which is fairly common for parallel ports, at least on PC. + +* irq: optional IRQ + This must be passed if you want SMBus alert support, assuming your adapter + actually supports this. |