On Wed, Sep 10, 2025 at 09:20:36AM -0700, Ryan.Wanner@microchip.com wrote:
> From: Varshini Rajendran <varshini.rajendran@microchip.com>
>
> Add microchip,lpm-connection binding which allows to specify the devices
> the SHDWC's LPM pin is connected.
What is LPM? It's not defined anywhere in this patch.
>
> Signed-off-by: Varshini Rajendran <varshini.rajendran@microchip.com>
> [ryan.wanner@microchip.com: Add sam9x7-shdwc SoC to properties check]
> Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.com>
> ---
> .../power/reset/atmel,sama5d2-shdwc.yaml | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml b/Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml
> index 9c34249b2d6d..b1a8ccd0873d 100644
> --- a/Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml
> +++ b/Documentation/devicetree/bindings/power/reset/atmel,sama5d2-shdwc.yaml
> @@ -56,6 +56,10 @@ properties:
> description: enable real-time timer wake-up
> type: boolean
>
> + microchip,lpm-connection:
> + description: list of phandles to devices which are connected to SHDWC's LPM pin
> + $ref: /schemas/types.yaml#/definitions/phandle
This only allows 1 phandle.
> +
> patternProperties:
> "^input@[0-15]$":
> description:
> @@ -96,6 +100,18 @@ allOf:
> properties:
> atmel,wakeup-rtt-timer: false
>
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - atmel,sama5d2-shdwc
> + - microchip,sam9x60-shdwc
> + - microchip,sam9x7-shdwc
> + then:
> + properties:
> + microchip,lpm-connection: false
> +
> additionalProperties: false
>
> examples:
> --
> 2.43.0
>