linux-kernel - Re: [PATCH 1/3] dt-bindings: serial: 8250_omap: Update wakeup-source type property

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Message-ID: <20250905-saloon-siesta-77da98d7ae02@spud>
Date: Fri, 5 Sep 2025 19:38:00 +0100
From: Conor Dooley <conor@...nel.org>
To: Kendall Willis <k-willis@...com>
Cc: gregkh@...uxfoundation.org, jirislaby@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, vigneshr@...com,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
	devicetree@...r.kernel.org, d-gole@...com, vishalm@...com,
	sebin.francis@...com, msp@...libre.com, khilman@...libre.com,
	a-kaur@...com, john.ogness@...utronix.de,
	andriy.shevchenko@...ux.intel.com, yujiaoliang@...o.com,
	b-liu@...com, u.kleine-koenig@...libre.com
Subject: Re: [PATCH 1/3] dt-bindings: serial: 8250_omap: Update wakeup-source
 type property

On Thu, Sep 04, 2025 at 04:24:53PM -0500, Kendall Willis wrote:
> Allow the wakeup-source property to be either of type boolean or of a
> phandle array. The phandle array points to the system idle states that the
> UART can wakeup the system from.
> 
> Signed-off-by: Kendall Willis <k-willis@...com>
> ---
>  Documentation/devicetree/bindings/serial/8250_omap.yaml | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/serial/8250_omap.yaml b/Documentation/devicetree/bindings/serial/8250_omap.yaml
> index 1859f71297ff2..851a5291b4be4 100644
> --- a/Documentation/devicetree/bindings/serial/8250_omap.yaml
> +++ b/Documentation/devicetree/bindings/serial/8250_omap.yaml
> @@ -69,7 +69,13 @@ properties:
>    clock-frequency: true
>    current-speed: true
>    overrun-throttle-ms: true
> -  wakeup-source: true
> +
> +  wakeup-source:
> +    oneOf:
> +      - type: boolean
> +      - $ref: /schemas/types.yaml#/definitions/phandle-array
> +        description:
> +          List of phandles to system idle states in which UARTs can wakeup the system.

Is there a single other instance of the wakeup-source property being
used like this?

>  
>  required:
>    - compatible
> -- 
> 2.34.1
> 

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