Re: [PATCH v4] dt-bindings: pinctrl: brcm,nsp-gpio: Convert to DT schema

[Rob Herring (Arm)]

On Sun, 04 Oct 2026 12:36:47 -0700, Rosen Penev wrote:
> The brcm,nsp-gpio-a compatible used by the NSP GPIO controller was only
> documented in the legacy text binding, so dtbs_check reported "failed to
> match any schema" for the gpio@20 node in bcm-nsp.dtsi.
> 
> Convert the text binding to DT schema. Beyond a direct conversion:
> 
> - Require pin configuration nodes to use a '-pins' suffix and GPIO hogs
>   a '-hog' suffix, as the old example used arbitrary node names. No
>   in-tree DTS has child nodes under this controller, so nothing is
>   affected.
> - Document slew-rate, which the driver supports but the text binding
>   never listed.
> - Add #interrupt-cells and gpio-line-names, and make #interrupt-cells
>   depend on interrupt-controller.
> 
> Assisted-by: LLM
> Signed-off-by: Rosen Penev <rosenp@xxxxxxxxx>
> ---
>  v4: rewrite to add extra stuff not present in original.
>  v3: add additionalProperties
>  v2: don't drop gpio-hog
>  .../bindings/pinctrl/brcm,nsp-gpio.txt        |  80 -----------
>  .../bindings/pinctrl/brcm,nsp-gpio.yaml       | 130 ++++++++++++++++++
>  2 files changed, 130 insertions(+), 80 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,nsp-gpio.txt
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,nsp-gpio.yaml
> 

Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>