diff options
| author | Sungbo Eo <mans0n@gorani.run> | 2020-07-09 22:48:29 +0900 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2020-07-16 14:35:12 +0200 |
| commit | 16d44b6085c1d90884b264deb938a34ab85a9c6d (patch) | |
| tree | ba41d3f48363d8c0ee43b3d5b4423b38f14a79ef /drivers/gpio/Kconfig | |
| parent | e6827bc3faa4da29ddbf48f48d04e87ca7c1c3c7 (diff) | |
| download | linux-16d44b6085c1d90884b264deb938a34ab85a9c6d.tar.bz2 | |
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>
Diffstat (limited to 'drivers/gpio/Kconfig')
| -rw-r--r-- | drivers/gpio/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 05e0801c6a78..8030fd91a3cc 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -962,6 +962,14 @@ config GPIO_PCA953X_IRQ Say yes here to enable the pca953x to be used as an interrupt controller. It requires the driver to be built in the kernel. +config GPIO_PCA9570 + tristate "PCA9570 4-Bit I2C GPO expander" + help + Say yes here to enable the GPO driver for the NXP PCA9570 chip. + + To compile this driver as a module, choose M here: the module will + be called gpio-pca9570. + config GPIO_PCF857X tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders" select GPIOLIB_IRQCHIP |