[linux,dev-5.1 v1] dt-bindings: gpio: aspeed: Add SGPIO support

Rob Herring robh+dt at kernel.org
Wed Jul 10 04:53:12 AEST 2019

On Wed, Jul 3, 2019 at 2:01 PM Hongwei Zhang <hongweiz at ami.com> wrote:
> Add bindings to support SGPIO on AST2400 or AST2500.
> Signed-off-by: Hongwei Zhang <hongweiz at ami.com>
> ---
>  .../devicetree/bindings/gpio/sgpio-aspeed.txt      | 36 ++++++++++++++++++++++

Is this SGPIO as in the blinky lights for HDDs in servers? If so, that
has nothing to do with Linux GPIO subsystem.

BTW, You might want to look at Calxeda highbank SATA driver. It has a
bit-banged SGPIO interface using GPIO lines in it.


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