On Thu, Aug 5, 2021 at 7:43 PM Piyush Mehta [off-list ref] wrote:

This patch adds driver support for the zynqmp modepin GPIO controller.
GPIO modepin driver set and get the value and status of the PS_MODE pin,
based on device-tree pin configuration. These four mode pins are
configurable as input/output. The mode pin has a control register, which
have lower four-bits [0:3] are configurable as input/output, next four-bits
can be used for reading the data  as input[4:7], and next setting the
output pin state output[8:11].

Signed-off-by: Piyush Mehta <redacted>
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Changes in v2:

After discussion with Michal:
Reviewed-by: Linus Walleij <redacted>

Yours,
Linus Walleij