[PATCH v5] arm64: zynqmp: Add support for Xilinx Kria SOM board

Michal Simek michal.simek at xilinx.com
Wed Sep 29 04:48:45 PDT 2021



On 9/27/21 8:35 PM, Rob Herring wrote:
> 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 at 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 at kernel.org>
> 

Applied.
M



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