Re: [PATCH v6 1/5] spi: dt-bindings: Add spi-device-addr peripheral property

[Jonathan Cameron]

On Wed, 15 Jul 2026 13:41:04 +0200
Janani Sunil <janani.sunil@xxxxxxxxxx> wrote:

> Some SPI devices support sharing a single chip select across multiple
> physical chips by encoding a device address in the SPI frame itself.
> Add the generic spi-device-addr property for describing these hardware
> addresses. The property is placed on the SPI peripheral node and may
> contain multiple addresses.
> 
> Signed-off-by: Janani Sunil <janani.sunil@xxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
> index 880a9f624566..135657582131 100644
> --- a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
> +++ b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
> @@ -142,6 +142,11 @@ properties:
>      minItems: 2
>      maxItems: 4
>  
> +  spi-device-addr:
> +    $ref: /schemas/types.yaml#/definitions/uint32-array
> +    description:
> +      Device address used when multiple peripherals share a single chip select.

This needs to also explain why it is an array.

> +
>    st,spi-midi-ns:
>      deprecated: true
>      description: |
>