On Fri, May 23, 2025 at 10:20:15AM -0700, Tim Harvey wrote: >The Gateworks Flexible Socket Adapters adapt common >busses such as SDIO/UART/USB/PCI to various connectors >such as M.2 B-Key, M.2 E-Key, M.2 M-Key, and MiniPCIe. > >Each FSA has an EEPROM onboard describing its details as well as an >optional port-expander for configurable GPIO's. > >Add support for identifying the FSA's and configuring their >details such as user description and GPIO's: > - enable pca953x, pca954x and eeprom support for communicating > with the I2C eeprom and gpio port expander on the FSA > - add FSA detection support > - add FSA gpio configuration support > >Each FSA is identified in the device-tree by an alias to it's I2C >bus where an eeprom@54 node must exist as well as an gpio@20 node >for an io-expander. These nodes must be enabled so that >they can be probed to determine if they are actually present in >the system. If not present or not enabled the gpio expander can >not be used. This also requires livetree as the gpio expander >node if not present must be disabled. > >Signed-off-by: Tim Harvey <thar...@gateworks.com>
Reviewed-by: Peng Fan <peng....@nxp.com>
