On Tue, Jan 13, 2026 at 5:15 PM Stafford Horne <[email protected]> wrote:
>
> Add a device tree binding for the opencores GPIO controller.
>
> On FPGA Development boards with GPIOs the OpenRISC architecture uses the
> opencores gpio verilog rtl which is compatible with the MMIO GPIO driver.
>
> Link: https://opencores.org/projects/gpio
> Signed-off-by: Stafford Horne <[email protected]>
> Reviewed-by: Linus Walleij <[email protected]>
> Reviewed-by: Geert Uytterhoeven <[email protected]>
> ---
> Since v3:
>  - Removed example.
>  - Re-order this patch to be before adding compatible string to driver as per
>    device tree binding patch rules.
>  - Add Reviewed-by's.
> Since v2:
>  - Fixup (replace) patch to simply add opencores,gpio and add an example.
>    (It was incorrect to specifying opencores,gpio with brcm,bcm6345-gpio
>     as opencores,gpio is not the same hardware, its 8-bit vs 32-bit)
> Since v1:
>  - Fix schema to actually match the example.
>
>  Documentation/devicetree/bindings/gpio/gpio-mmio.yaml | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/gpio/gpio-mmio.yaml 
> b/Documentation/devicetree/bindings/gpio/gpio-mmio.yaml
> index ee5d5d25ae82..a8823ca65e78 100644
> --- a/Documentation/devicetree/bindings/gpio/gpio-mmio.yaml
> +++ b/Documentation/devicetree/bindings/gpio/gpio-mmio.yaml
> @@ -23,6 +23,7 @@ properties:
>        - ni,169445-nand-gpio
>        - wd,mbl-gpio # Western Digital MyBook Live memory-mapped GPIO 
> controller
>        - intel,ixp4xx-expansion-bus-mmio-gpio
> +      - opencores,gpio
>
>    big-endian: true
>
> --
> 2.51.0
>

This is not a follow-up patch. Please rebase your fix on top of
linux-next. I already have the previous patch in my tree and will not
be rebasing the entire for-next branch.

Bartosz

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