Ioana Ciornei 00aaae60fa gpio: regmap: add the .fixed_direction_output configuration parameter ...

There are GPIO controllers such as the one present in the LX2160ARDB
QIXIS FPGA which have fixed-direction input and output GPIO lines mixed
together in a single register. This cannot be modeled using the
gpio-regmap as-is since there is no way to present the true direction of
a GPIO line.

In order to make this use case possible, add a new configuration
parameter - fixed_direction_output - into the gpio_regmap_config
structure. This will enable user drivers to provide a bitmap that
represents the fixed direction of the GPIO lines.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Michael Walle <mwalle@kernel.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

2025-10-22 08:52:17 +02:00

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aspeed.h

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consumer.h

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driver.h

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forwarder.h

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generic.h

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gpio-nomadik.h

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gpio-reg.h

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legacy-of-mm-gpiochip.h

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machine.h

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property.h

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regmap.h

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