[PATCH v1] spi: dt-bindings: spi-rockchip: restrict num-cs

[Luis de Arquer]

On 1/22/24 23:59, Johan Jonker wrote:
> In the driver spi-rockchip.c max_native_cs is limited to 4 and the
> default num-cs property is 1. Restrict num-cs in spi-rockchip.yaml.
>

Doesn't num-cs include gpio chip selects too?
I have a setup with num-cs = <12> which uses non-native cs-gpios just fine

Luis

> Signed-off-by: Johan Jonker <jbx6244 at gmail.com>
> ---
>   Documentation/devicetree/bindings/spi/spi-rockchip.yaml | 5 +++++
>   1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/spi/spi-rockchip.yaml b/Documentation/devicetree/bindings/spi/spi-rockchip.yaml
> index e4941e9212d1..00d555bcbad3 100644
> --- a/Documentation/devicetree/bindings/spi/spi-rockchip.yaml
> +++ b/Documentation/devicetree/bindings/spi/spi-rockchip.yaml
> @@ -65,6 +65,11 @@ properties:
>         - const: tx
>         - const: rx
> 
> +  num-cs:
> +    default: 1
> +    minimum: 1
> +    maximum: 4
> +
>     rx-sample-delay-ns:
>       default: 0
>       description:
> --
> 2.39.2
> 
> 
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