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4 Commits

Author SHA1 Message Date
Shubhrajyoti Datta
fbb19fe17e gpio: pca9570: add slg7xl45106 support 
Dialog semiconductors SLG7XL45106 is an 8-bit I2C GPO expander.
The output port is controlled by a data byte with register
address. Add a compatible string for the same. Also update
the driver to write and read from it.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
 2022-10-27 09:32:31 +02:00
Shubhrajyoti Datta
b8a34582c7 gpio: pca9570: add a platform data structure 
Add struct pca9570_platform_data for adding the platform data
structure. Also modify the existing structs for pca9570 and pca9571

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
 2022-10-27 09:32:09 +02:00
Lucas Stach
d274f02eb9 gpio: pca9570: add pca9571 support 
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>
 2022-07-19 09:57:13 +02:00
Sungbo Eo
16d44b6085 gpio: pca9570: add GPO driver for PCA9570 
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>
 2020-07-16 14:35:12 +02:00