[PATCH 3/6] gpio: Add GPIO support for the ST Multi-Function eXpander
linus.walleij at linaro.org
Thu Feb 22 05:47:39 PST 2018
On Thu, Feb 8, 2018 at 3:27 PM, Amelie Delaunay <amelie.delaunay at st.com> wrote:
> ST Multi-Function eXpander (MFX) can be used as GPIO expander.
> It has 16 fast GPIOs and can have 8 extra alternate GPIOs
> when other MFX features are not enabled.
> Signed-off-by: Amelie Delaunay <amelie.delaunay at st.com>
As mentioned I think this driver needs to:
- Move to drivers/pinctrl/pinctrl-stmfx.c similar to the sx150x controller.
- Pass a regmap around instead of the custom accessor functions.
- Maybe refactor and reuse STMPE infrastructure
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