linux-kernel - Re: [PATCH 1/6] dt-bindings: crypto: add support for rockchip,crypto-rk3588

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Date:   Mon, 20 Nov 2023 13:37:01 +0100
From:   Corentin LABBE <clabbe@...libre.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     davem@...emloft.net, heiko@...ech.de, herbert@...dor.apana.org.au,
        krzysztof.kozlowski+dt@...aro.org, mturquette@...libre.com,
        p.zabel@...gutronix.de, robh+dt@...nel.org, sboyd@...nel.org,
        ricardo@...dini.net, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH 1/6] dt-bindings: crypto: add support for
 rockchip,crypto-rk3588

Le Tue, Nov 07, 2023 at 05:40:24PM +0100, Krzysztof Kozlowski a écrit :
> On 07/11/2023 16:55, Corentin Labbe wrote:
> > Add device tree binding documentation for the Rockchip cryptographic
> > offloader V2.
> > 
> > Signed-off-by: Corentin Labbe <clabbe@...libre.com>
> > ---
> >  .../crypto/rockchip,rk3588-crypto.yaml        | 65 +++++++++++++++++++
> >  1 file changed, 65 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/crypto/rockchip,rk3588-crypto.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/crypto/rockchip,rk3588-crypto.yaml b/Documentation/devicetree/bindings/crypto/rockchip,rk3588-crypto.yaml
> > new file mode 100644
> > index 000000000000..07024cf4fb0e
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/crypto/rockchip,rk3588-crypto.yaml
> > @@ -0,0 +1,65 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/crypto/rockchip,rk3588-crypto.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Rockchip cryptographic offloader V2
> 
> v2? Where is any documentation of this versioning? From where does it
> come from?
> 

Hello

Datasheet/TRM has no naming or codename.
But vendor source call it crypto v2, so I kept the name.

> > +
> > +maintainers:
> > +  - Corentin Labbe <clabbe@...libre.com>
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - rockchip,rk3568-crypto
> > +      - rockchip,rk3588-crypto
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +
> > +  clocks:
> > +    minItems: 3
> 
> You also must describe the items instead.
> 
> Where do you see any binding using minItems alone?
> 
> > +
> > +  clock-names:
> > +    items:
> > +      - const: core
> > +      - const: a
> > +      - const: h
> > +
> > +  resets:
> > +    minItems: 1
> 
> No, maxItems.
> 
> > +
> > +  reset-names:
> > +    items:
> > +      - const: core
> 
> Drop reset-names, not really needed and not useful.
> 
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - interrupts
> > +  - clocks
> > +  - clock-names
> > +  - resets
> > +  - reset-names
> 
> 

I will fix all thoses problems.
Thanks for review.
Regards