linux-kernel - Re: [PATCH v5 1/2] dt-bindings: crypto: ti,sa2ul: make power-domains conditional

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Message-ID: <20230724164521.tkyxpivqtsf222hb@litigator>
Date:   Mon, 24 Jul 2023 11:45:21 -0500
From:   Nishanth Menon <nm@...com>
To:     Kamlesh Gurudasani <kamlesh@...com>
CC:     Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Jayesh Choudhary <j-choudhary@...com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        "Tero Kristo" <t-kristo@...com>, Keerthy <j-keerthy@...com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Rob Herring <robh@...nel.org>, <linux-crypto@...r.kernel.org>,
        Conor Dooley <conor.dooley@...rochip.com>
Subject: Re: [PATCH v5 1/2] dt-bindings: crypto: ti,sa2ul: make power-domains
 conditional

On 14:42-20230714, Kamlesh Gurudasani wrote:
> Devices specific to compatible ti,am62-sa3ul don't have control over
> power of SA3UL from main domain.
> 
> "power-domains" property in crypto node tries to access
> the SA3UL power, for which it gets NACK and hence, driver doesn't
> probe properly for those particular devices.
> 
> Make "power-domains" property as false for devices with
> compatible ti,am62-sa3ul.
> 
> Fixes: 2ce9a7299bf6 ("dt-bindings: crypto: Add TI SA2UL crypto accelerator documentation")
> 
> Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
> Signed-off-by: Kamlesh Gurudasani <kamlesh@...com>
> ---
>  Documentation/devicetree/bindings/crypto/ti,sa2ul.yaml | 14 +++++++++++++-
>  1 file changed, 13 insertions(+), 1 deletion(-)

Herbert, Do you see a problem if I pick this patch via TI SoC Tree?

if you are OK, I'd like to take the series to keep it clean.

> 
> diff --git a/Documentation/devicetree/bindings/crypto/ti,sa2ul.yaml b/Documentation/devicetree/bindings/crypto/ti,sa2ul.yaml
> index 77ec8bc70bf7..f0ef7685550a 100644
> --- a/Documentation/devicetree/bindings/crypto/ti,sa2ul.yaml
> +++ b/Documentation/devicetree/bindings/crypto/ti,sa2ul.yaml
> @@ -66,10 +66,22 @@ patternProperties:
>  required:
>    - compatible
>    - reg
> -  - power-domains
>    - dmas
>    - dma-names
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: ti,am62-sa3ul
> +    then:
> +      properties:
> +        power-domains: false
> +    else:
> +      required:
> +        - power-domains
> +
>  additionalProperties: false
>  
>  examples:
> 
> -- 
> 2.34.1
> 

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D