Hi,
I'm a newbie for linux device driver development. We have a custom ppc405 board which has MCP23S17 (16-Bit I/O Expander with SPI Interface) on it. I noticed that current kernel has MCP23S08 driver support, I'd like to know: 1. if passing platform data to MCP23S08 driver, can it make MCP23S17 work? 2. Generally, I'd like to know how to pass platform data to a particular device driver. In my mind, platform data should not be in driver code, right? However, I don't know where is the suitable place to pass platform data to driver. 3. How to describe this in dts file? Thanks in advance, YiFei
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