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path: root/drivers/gpio/gpio-pca9570.c
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2022-07-19gpio: pca9570: add pca9571 supportLucas Stach
The PCA9571 very similar to the PCA9570, it only differs in the number of GPIOs. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2020-07-16gpio: pca9570: add GPO driver for PCA9570Sungbo Eo
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>