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3 commits

Author SHA1 Message Date
Kumar Gala 957e263120 drivers: gpio: Update drivers to use devicetree Kconfig symbol 
Update gpio drivers to use DT_HAS_<compat>_ENABLED Kconfig symbol
to expose the driver and enable it by default based on devicetree.

We remove 'depend on' Kconfig for symbols that would be implied by
the devicetree node existing.

Signed-off-by: Kumar Gala <galak@kernel.org>
 2022-07-23 09:26:09 -05:00
Kumar Gala 5a8a06661d drivers: gpio: cleanup select HAS_DTS_GPIO 
All GPIO controller drivers support DTS so we can select HAS_DTS_GPIO
at the GPIO driver subsystem level rather than for each specific driver.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
 2020-04-04 09:27:12 -05:00
Robert Winkler e8d0eb1db1 drivers: gpio: Add LiteX GPIO driver 
This commits adds GPIO driver for LiteX SoC builder.

Due to the fact that GPIO in LiteX is unidirectional and can be
configured with different pins amount per port, additional entries
were added to the dts file.

Signed-off-by: Robert Winkler <rwinkler@internships.antmicro.com>
Signed-off-by: Mateusz Holenko <mholenko@antmicro.com>
Signed-off-by: Piotr Zierhoffer <pzierhoffer@antmicro.com>
 2020-02-05 12:00:36 +01:00