[PATCH RFC 1/2] dt-bindings: pinctl: amlogic,pinctrl-a4: Add gpio irq property

[Conor Dooley]

On Thu, Jun 11, 2026 at 07:54:33AM +0000, Xianwei Zhao via B4 Relay wrote:
> From: Xianwei Zhao <xianwei.zhao at amlogic.com>
> 
> Add the hw-irq property for each GPIO bank and enable interrupt-parent
> for pinctrl so that gpiod_to_irq() can translate GPIO lines to IRQs.

Uhhhhh, what? Why can't you just use the normal interrupts property?

> 
> Signed-off-by: Xianwei Zhao <xianwei.zhao at amlogic.com>
> ---
>  Documentation/devicetree/bindings/pinctrl/amlogic,pinctrl-a4.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/amlogic,pinctrl-a4.yaml b/Documentation/devicetree/bindings/pinctrl/amlogic,pinctrl-a4.yaml
> index b69db1b95345..65ec9121300e 100644
> --- a/Documentation/devicetree/bindings/pinctrl/amlogic,pinctrl-a4.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/amlogic,pinctrl-a4.yaml
> @@ -37,6 +37,8 @@ properties:
>  
>    ranges: true
>  
> +  interrupt-parent: true
> +
>  patternProperties:
>    "^gpio@[0-9a-f]+$":
>      type: object
> @@ -65,6 +67,9 @@ patternProperties:
>        gpio-ranges:
>          maxItems: 1
>  
> +      hw-irq:
> +        $ref: /schemas/types.yaml#/definitions/uint32
> +
>      required:
>        - reg
>        - reg-names
> 
> -- 
> 2.52.0
> 
> 
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