linux-kernel - Re: [PATCH v3 2/5] dt-bindings: ata: dwc-ahci: add Rockchip RK3588

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Date:   Mon, 12 Jun 2023 11:35:36 +0300
From:   Serge Semin <fancer.lancer@...il.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Sebastian Reichel <sebastian.reichel@...labora.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        linux-ide@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...labora.com
Subject: Re: [PATCH v3 2/5] dt-bindings: ata: dwc-ahci: add Rockchip RK3588

On Mon, Jun 12, 2023 at 10:24:06AM +0200, Krzysztof Kozlowski wrote:
> On 08/06/2023 18:22, Sebastian Reichel wrote:
> > This adds Rockchip RK3588 AHCI binding. In order to narrow down the
> > allowed clocks without bloating the generic binding, the description
> > of Rockchip's AHCI controllers has been moved to its own file.
> > 
> > Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> > ---
> 
> ...
> 
> > +
> > +properties:
> > +  compatible:
> > +    items:
> > +      - enum:
> > +          - rockchip,rk3568-dwc-ahci
> > +          - rockchip,rk3588-dwc-ahci
> > +      - const: snps,dwc-ahci
> > +
> > +  ports-implemented:
> > +    const: 1
> > +
> > +patternProperties:
> > +  "^sata-port@[0-9a-e]$":
> > +    $ref: /schemas/ata/snps,dwc-ahci-common.yaml#/$defs/dwc-ahci-port
> > +
> > +    unevaluatedProperties: false
> 

> You should be able to skip this patternProperties entirely, because it
> comes from dwc-ahci-common -> ahci-common schema. Did you try the patch
> without it?

Please see my message about this. The "sata-port@[0-9a-e]$" sub-node
bindings could be updated with the "reg" property constraint which,
based on the "ports-implemented" property value, most likely is
supposed to be always set to const: 1.

-Serge(y)

> 
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - interrupts
> > +  - clocks
> > +  - clock-names
> > +  - ports-implemented
> > +
> 
> 
> Best regards,
> Krzysztof
>