[PATCH linux] ARM: dts: aspeed-g4: add serial gpio driver entry

[Patrick Venture]

There isn't yet a binding for this, but if it's acceptable. I'm going
to submit a gpio driver strictly for the serial gpio once I can test
on an ast2500.  I'm presently finalizing the ast2400 version of the
driver.

- Patrick

On Mon, Nov 27, 2017 at 12:07 PM, Patrick Venture <venture at google.com> wrote:
> Adds the serial gpio driver entry for the aspeed
> ast2400.
>
> Signed-off-by: Patrick Venture <venture at google.com>
> ---
>  arch/arm/boot/dts/aspeed-g4.dtsi | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi b/arch/arm/boot/dts/aspeed-g4.dtsi
> index 424d843ec1da..b82ebefcb025 100644
> --- a/arch/arm/boot/dts/aspeed-g4.dtsi
> +++ b/arch/arm/boot/dts/aspeed-g4.dtsi
> @@ -238,6 +238,15 @@
>                                 clocks = <&clk_hpll>;
>                         };
>
> +                       sgpio: gpio at 0x1e780200 {
> +                               #gpio-cells = <2>;
> +                               gpio-controller;
> +                               compatible = "aspeed,ast2400-sgpio";
> +                               reg = <0x1e780200 0x100>;
> +                               interrupts = <40>;
> +                               interrupt-controller;
> +                       };
> +
>                         timer: timer at 1e782000 {
>                                 compatible = "aspeed,ast2400-timer";
>                                 reg = <0x1e782000 0x90>;
> --
> 2.15.0.417.g466bffb3ac-goog
>