Re: [PATCH v4 0/2] arm64: dts: socfpga: agilex: add SoCDK multi-QSPI board

[Dinh Nguyen <dinguyen@kernel.org>]

On 10/12/26 02:48, genevieve.chan@altera.com wrote:
> From: Genevieve Chan <genevieve.chan@altera.com>
> 
> The Agilex SoCDK is populated with a single QSPI flash by default. A
> multi-QSPI daughter board can be fitted in its place. That board connects
> four Micron MT25QU02G devices (256 MiB each, 1 GiB total) to the HPS
> QSPI controller on chip selects 0-3. Each device carries one partition
> covering the whole flash, and is described in quad mode at 25 MHz, as
> the four devices share the clock and data lines.
> 
> This is a board-level population difference, in the same way the
> existing SoCDK eMMC and NAND variants differ from the default SoCDK.
> The HPS is the Agilex SoC, later marketed as Agilex 7 F-Series. The
> programming model is unchanged, so the board falls back to
> "intel,socfpga-agilex" and does not add an F-Series SoC compatible.
> Agilex 7 M-Series is a different device and already has its own
> fallback.
> 
> Patch 1 documents that compatible next to the other Agilex SoCDK
> boards. Patch 2 adds socfpga_agilex_socdk_multiqspi.dts. UART,
> Ethernet, USB, SDMMC, LEDs and the watchdog match the SoCDK; the QSPI
> node is the difference.
> 
> Changes in v4:
> - Give the partitions on flash@1-3 unique labels so that they do not
>    share an MTD name with flash@0 (Dinh, Sashiko). flash@0 keeps
>    "Boot and fpga data", which U-Boot's RSU code looks up by name.
> - Explain in the patch 2 commit message why the flashes run at 25 MHz
>    rather than the 100 MHz used on the SoCDK (Dinh).
> 
> Changes in v3:
> - Rebase onto the socfpga for-next branch, which moved the SoCFPGA
>    device trees to arch/arm64/boot/dts/altera/. The new DTS is added
>    there.
> - Reword the subject of patch 2 to avoid repeating "Agilex" (Dinh).
> - Add Conor's Acked-by to patch 1.
> 
> Changes in v2:
> - Rename the compatible, DTS filename and model, dropping "agilex7f".
> - State in the binding patch why the fallback is "intel,socfpga-agilex".
> - Describe the daughter card instead of restating the diff.
> 
> Genevieve Chan (2):
>    dt-bindings: arm: altera: add Agilex SoCDK multi-QSPI board
>    arm64: dts: socfpga: agilex: add SoCDK multi-QSPI board
> 
>   .../devicetree/bindings/arm/altera.yaml       |   1 +
>   arch/arm64/boot/dts/altera/Makefile           |   1 +
>   .../altera/socfpga_agilex_socdk_multiqspi.dts | 213 ++++++++++++++++++
>   3 files changed, 215 insertions(+)
>   create mode 100644 arch/arm64/boot/dts/altera/socfpga_agilex_socdk_multiqspi.dts
> 

Applied!

Thanks,
Dinh