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Date:   Mon, 27 Sep 2021 13:35:44 -0500
From:   Rob Herring <robh@kernel.org>
To:     Michal Simek <michal.simek@xilinx.com>
Cc:     monstr@monstr.eu, devicetree@vger.kernel.org,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        linux-arm-kernel@lists.infradead.org,
        Michael Walle <michael@walle.cc>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzk@kernel.org>,
        Viresh Kumar <viresh.kumar@linaro.org>, git@xilinx.com,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5] arm64: zynqmp: Add support for Xilinx Kria SOM board
Message-ID: <YVIPAGckmsYmrVv1@robh.at.kernel.org>
References: <1ba32590670434b650bacf6410a65579dd30b38b.1632294439.git.michal.simek@xilinx.com>
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In-Reply-To: <1ba32590670434b650bacf6410a65579dd30b38b.1632294439.git.michal.simek@xilinx.com>
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On Wed, 22 Sep 2021 09:07:32 +0200, Michal Simek wrote:
> There are couple of revisions of SOMs (k26) and associated carrier cards
> (kv260).
> SOM itself has two major versions:
> sm-k26 - SOM with EMMC
> smk-k26 - SOM without EMMC used on starter kit with preprogrammed firmware
> in QSPI.
> 
> SOMs are describing only devices available on the SOM or connections which
> are described in specification (for example UART, fwuen).
> 
> When SOM boots out of QSPI it uses limited number of peripherals defined by
> the specification and present in sm(k)-k26 dtses.
> Then a carrier card (CC) detection is happening and DT overlay is applied
> to brings new functionality. That's why DT overlays are used. The name is
> composed together with SOM name and CC name that's why DT overlays with
> these names are generated to make sure they can be used together.
> 
> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> ---
> 
> Changes in v5:
> - Extend commit message.
> 
> Changes in v4:
> - Remove ina260 and usb5744 nodes
> - Remove compatible string from overlays
> 
> Changes in v3:
> - Fix led node name
> - Fix compatible string for xlnx,zynqmp-sk-kv260-revA/Y/Z
> - Fix headers alignment
> - Move USB3 PHY properties from DWC3 node to USB node - reported by Manish
>   Narani
> - Change dtb names generated with dtbo
> - Fix emmc comment style
> 
> Changes in v2:
> - Use sugar syntax - reported by Geert
> - Update copyright years
> - Fix SD3.0 comment alignment
> - Remove one newline from Makefile
> 
> https://www.xilinx.com/products/som/kria.html
> Based on
> https://lore.kernel.org/r/cover.1628244703.git.michal.simek@xilinx.com
> 
> ---
>  .../devicetree/bindings/arm/xilinx.yaml       |  16 +
>  arch/arm64/boot/dts/xilinx/Makefile           |  13 +
>  .../boot/dts/xilinx/zynqmp-sck-kv-g-revA.dts  | 315 ++++++++++++++++++
>  .../boot/dts/xilinx/zynqmp-sck-kv-g-revB.dts  | 298 +++++++++++++++++
>  .../boot/dts/xilinx/zynqmp-sm-k26-revA.dts    | 289 ++++++++++++++++
>  .../boot/dts/xilinx/zynqmp-smk-k26-revA.dts   |  21 ++
>  6 files changed, 952 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dts
>  create mode 100644 arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dts
>  create mode 100644 arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
>  create mode 100644 arch/arm64/boot/dts/xilinx/zynqmp-smk-k26-revA.dts
> 

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