linux-kernel - Re: [PATCH v2 1/2] dt-bindings: iio: sx9324: Add CS idle/sleep mode

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Message-ID: <faaa4ab4-8190-3cff-998e-3b6a6d3ce27c@linaro.org>
Date:   Wed, 4 May 2022 08:20:40 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Stephen Boyd <swboyd@...omium.org>,
        Jonathan Cameron <jic23@...nel.org>
Cc:     linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
        devicetree@...r.kernel.org, linux-iio@...r.kernel.org,
        Gwendal Grignou <gwendal@...omium.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>
Subject: Re: [PATCH v2 1/2] dt-bindings: iio: sx9324: Add CS idle/sleep mode

On 03/05/2022 21:39, Stephen Boyd wrote:
> We need to configure the sleep and idle mode of the CS pins for this
> device. Add a DT property to do this so pins are in a proper state
> during sleep (either hi-z, grounded, or pulled up to vdd).
> 
> Reviewed-by: Gwendal Grignou <gwendal@...omium.org>
> Signed-off-by: Stephen Boyd <swboyd@...omium.org>
> ---
>  .../bindings/iio/proximity/semtech,sx9324.yaml           | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml
> index d265eb5258c8..b3aa2ebf9661 100644
> --- a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml
> +++ b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9324.yaml
> @@ -126,6 +126,14 @@ properties:
>        UINT_MAX (4294967295) represents infinite. Other values
>        represent 1-1/N.
>  
> +  semtech,cs-idle-sleep:
> +    description:
> +      State of CS pins during sleep mode and idle time.
> +    enum:
> +      - hi-z
> +      - gnd
> +      - vdd

You need a ref to type (string).

Best regards,
Krzysztof