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@xxxxxxxxxx> > --- > > 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@xxxxxxxxxx > > --- > .../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@xxxxxxxxxx>
