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16d44b6085
NXP PCA9570 is a 4-bit I2C GPO expander without interrupt functionality. Its ports are controlled only by a data byte without register address. Signed-off-by: Sungbo Eo <mans0n@gorani.run> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Datasheet: https://www.nxp.com/docs/en/data-sheet/PCA9570.pdf Link: https://lore.kernel.org/r/20200709134829.216393-1-mans0n@gorani.run Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
182 lines
7.9 KiB
182 lines
7.9 KiB