linux-kernel - Re: [PATCH v5 20/23] dt-bindings: ata: ahci: Add Baikal-T1 AHCI SATA controller DT schema

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Message-ID: <20220718203439.GA3503849-robh@kernel.org>
Date:   Mon, 18 Jul 2022 14:34:39 -0600
From:   Rob Herring <robh@...nel.org>
To:     Serge Semin <Sergey.Semin@...kalelectronics.ru>
Cc:     Hannes Reinecke <hare@...e.de>, Jens Axboe <axboe@...nel.dk>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Hans de Goede <hdegoede@...hat.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-ide@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Pavel Parkhomenko <Pavel.Parkhomenko@...kalelectronics.ru>,
        linux-kernel@...r.kernel.org,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Serge Semin <fancer.lancer@...il.com>,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v5 20/23] dt-bindings: ata: ahci: Add Baikal-T1 AHCI SATA
 controller DT schema

On Wed, 13 Jul 2022 08:29:13 +0300, Serge Semin wrote:
> Baikal-T1 AHCI controller is based on the DWC AHCI SATA IP-core v4.10a
> with the next specific settings: two SATA ports, cascaded CSR access based
> on two clock domains (APB and AXI), selectable source of the reference
> clock (though stable work is currently available from the external source
> only), two reset lanes for the application and SATA ports domains. Other
> than that the device is fully compatible with the generic DWC AHCI SATA
> bindings.
> 
> Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
> Reviewed-by: Hannes Reinecke <hare@...e.de>
> 
> ---
> 
> Changelog v2:
> - Rename 'syscon' property to 'baikal,bt1-syscon'.
> - Drop macro usage from the example node.
> 
> Changelog v4:
> - Use the DWC AHCI port properties definition from the DWC AHCI SATA
>   common schema. (@Rob)
> - Drop Baikal-T1 syscon reference and implement the clock signal
>   source in the framework of the clock controller. (@Rob)
> 
> Changelog v5:
> - Drop generic compatible fallback "snps,dwc-ahci". (@Rob)
> - Define SATA-port pattern property to be applicable for two ports
>   only.
> - Drop "|" qualifier from the description property.
> ---
>  .../bindings/ata/baikal,bt1-ahci.yaml         | 115 ++++++++++++++++++
>  1 file changed, 115 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/ata/baikal,bt1-ahci.yaml
> 

Reviewed-by: Rob Herring <robh@...nel.org>