linux-kernel - Re: [PATCH v2 1/4] dt-bindings: bus: Add Baikal-T1 AXI-bus binding

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Date:   Thu, 14 May 2020 22:13:11 -0500
From:   Rob Herring <robh@...nel.org>
To:     Serge Semin <Sergey.Semin@...kalelectronics.ru>
Cc:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Serge Semin <fancer.lancer@...il.com>,
        Olof Johansson <olof@...om.net>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        devicetree@...r.kernel.org, Tony Lindgren <tony@...mide.com>,
        Tero Kristo <t-kristo@...com>, Arnd Bergmann <arnd@...db.de>,
        Jeffrey Hugo <jhugo@...eaurora.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Paul Burton <paulburton@...nel.org>,
        linux-kernel@...r.kernel.org,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-mips@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        soc@...nel.org, Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v2 1/4] dt-bindings: bus: Add Baikal-T1 AXI-bus binding

On Fri, 8 May 2020 01:41:13 +0300, Serge Semin wrote:
> AXI3-bus is the main communication bus connecting all high-speed
> peripheral IP-cores with RAM controller and with MIPS P5600 cores on
> Baikal-T1 SoC. This binding describes the DW AMBA 3 AXI Inteconnect
> and Errors Handler Block synthesized on top of it, which are
> responsible for the AXI-bus traffic arbitration and errors reporting
> upstream to CPU. Baikal-T1 AXI-bus DT node is supposed to be compatible
> with "be,bt1-axi" and "simple-bus" drivers, should have reg property with
> AXI-bus QOS registers space, syscon phandle reference to the Baikal-T1
> System Controller, IRQ line declared, AXI Interconnect reference clock and
> reset line.
> 
> Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
> Cc: Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>
> Cc: Paul Burton <paulburton@...nel.org>
> Cc: Ralf Baechle <ralf@...ux-mips.org>
> Cc: Tony Lindgren <tony@...mide.com>
> Cc: Tero Kristo <t-kristo@...com>
> Cc: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> Cc: Jeffrey Hugo <jhugo@...eaurora.org>
> Cc: Linus Walleij <linus.walleij@...aro.org>
> Cc: Olof Johansson <olof@...om.net>
> Cc: linux-mips@...r.kernel.org
> Cc: soc@...nel.org
> 
> ---
> 
> Rob, I had to remove your Reviewed-by tag, since new changes had been
> introduced.
> 
> Changelog v2:
> - Move driver to the bus subsystem.
> - Use dual GPL/BSD license.
> - Use single lined copyright header.
> - Lowercase the unit-address.
> - Convert a simple EHB block binding to the Baikal-T1 AXI-bus one with
>   interconnect capabilities support.
> - Replace "additionalProperties: false" property with
>   "unevaluatedProperties: false".
> - Add AXI reference clock and reset support.
> - Add syscon phandle reference to the Baikal-T1 System Controller node.
> ---
>  .../bindings/bus/baikal,bt1-axi.yaml          | 95 +++++++++++++++++++
>  1 file changed, 95 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/bus/baikal,bt1-axi.yaml
> 

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