[PATCH v6 0/4] Add Agilex5 SoCDK TSN Config2 board support

Dinh Nguyen dinguyen at kernel.org
Wed Sep 23 06:47:33 PDT 2026



On 9/8/26 02:05, muhammad.nazim.amirul.nazle.asmade at altera.com wrote:
> From: Nazim Amirul <muhammad.nazim.amirul.nazle.asmade at altera.com>
> 
> This series adds support for the Intel SoCFPGA Agilex5 SoCDK TSN Config2
> board variant, which enables gmac1 as a TSN Ethernet port alongside the
> standard gmac2 port.
> 
> The TSN port (gmac1) connects to its PHY through a GMII-to-RGMII converter
> implemented as FPGA soft IP. This converter provides the RGMII TX/RX clock
> delays, requiring the MAC interface selector to be configured for GMII while
> the PHY-facing interface is configured as RGMII without delay duplication.
> 
> Add altr,socfpga-stmmac-agilex5-tsn for that integration. It is not listed
> as a DT fallback of altr,socfpga-stmmac-agilex5 because that port has no such
> converter. Patch 4 adds dedicated match .data ops for the required
> interface setup.
> 
> v6:
>    - Put altr,socfpga-stmmac-agilex5-tsn in the same compatible enum as
>      altr,socfpga-stmmac-agilex5 in the net binding, per Krzysztof Kozlowski.
> 
> v5:
>    - Replace of_device_is_compatible() probe check with dedicated
>      socfpga_agilex5_tsn_gmac_ops via match .data, per Krzysztof Kozlowski
>      and Dinh Nguyen.
>    - Drop altr,socfpga-stmmac-agilex5 fallback from the TSN compatible list
>      and rewrite the net binding commit message to explain the hardware
>      difference, per Krzysztof Kozlowski.
> 
> v4:
>    - Fix wrong email address in Acked-by tag from Krzysztof Kozlowski on patch 1.
>    - Add Reviewed-by from Andrew Lunn on patch 4.
> 
> v3:
>    - Add missing Acked-by from Krzysztof Kozlowski on patch 1, inadvertently
>      dropped in v2.
> 
> v2:
>    - Replace mac-mode DT property with compatible string-based detection per
>      Andrew Lunn's feedback.
>    - Use phy-mode = "rgmii-id" to correctly reflect MAC-side delay handling.
>    - Rename compatible string to altr,socfpga-stmmac-agilex5-tsn for
>      consistency with existing altr,socfpga-stmmac-* compatibles.
>    - Fix Makefile indentation reported by Krzysztof Kozlowski.
>    - Add DT binding documentation for new net compatible string (new patch).
> 
> Nazim Amirul (4):
>    dt-bindings: arm: altera: Add Agilex5 SoCDK TSN Config2 board
>    arm64: dts: socfpga: agilex5: Add SoCDK TSN Config2 board
>    dt-bindings: net: altr,socfpga-stmmac: Add
>      altr,socfpga-stmmac-agilex5-tsn compatible
>    net: stmmac: dwmac-socfpga: Add support for Agilex5 TSN GMAC with FPGA
>      converter
> 


Applied patches 1,2.

Thanks,
Dinh




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