[PATCH v4 10/16] dm: gpio: Add a way to update flags

[Tom Rini]

On Thu, Feb 04, 2021 at 09:22:03PM -0700, Simon Glass wrote:

> It is convenient to be able to adjust some of the flags for a GPIO while
> leaving others alone. Add a function for this.
> 
> Update dm_gpio_set_dir_flags() to make use of this.
> 
> Also update dm_gpio_set_value() to use this also, since this allows the
> open-drain / open-source features to be implemented directly in the
> driver, rather than using the uclass workaround.
> 
> Update the sandbox tests accordingly. This involves a lot of changes to
> dm_test_gpio_opendrain_opensource() since we no-longer have the direciion
> being reported differently depending on the open drain/open source flags.
> 
> Also update the STM32 drivers to let the uclass handle the active low/high
> logic.
> 
> Drop the GPIOD_FLAGS_OUTPUT() macro which is no-longer used.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>
> Tested-by: Kory Maincent <kory.maincent at bootlin.com>
> Reviewed-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> Tested-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> Reviewed-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> Tested-by: Patrick Delaunay <patrick.delaunay at foss.st.com>

Applied to u-boot/next, thanks!

-- 
Tom
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