[PATCH net-next v8 2/2] net: stmmac: Add support for Allwinner A523 GMAC200
Paolo Abeni
pabeni at redhat.com
Wed Oct 1 00:25:07 PDT 2025
On 10/1/25 2:20 AM, Jakub Kicinski wrote:
> On Mon, 29 Sep 2025 18:08:04 -0700 Jakub Kicinski wrote:
>> On Fri, 26 Sep 2025 03:15:59 +0800 Chen-Yu Tsai wrote:
>>> The Allwinner A523 SoC family has a second Ethernet controller, called
>>> the GMAC200 in the BSP and T527 datasheet, and referred to as GMAC1 for
>>> numbering. This controller, according to BSP sources, is fully
>>> compatible with a slightly newer version of the Synopsys DWMAC core.
>>> The glue layer around the controller is the same as found around older
>>> DWMAC cores on Allwinner SoCs. The only slight difference is that since
>>> this is the second controller on the SoC, the register for the clock
>>> delay controls is at a different offset. Last, the integration includes
>>> a dedicated clock gate for the memory bus and the whole thing is put in
>>> a separately controllable power domain.
>>
>> Hi Andrew, does this look good ?
>>
>> thread: https://lore.kernel.org/20250925191600.3306595-3-wens@kernel.org
>
> Adding Heiner and Russell, in case Andrew is AFK.
>
> We need an ack from PHY maintainers, the patch seems to be setting
> delays regardless of the exact RMII mode. I don't know these things..
The net-next PR is upon us, let's defer even this series to the next cycle.
@Chen-Yu Tsai: please re-post it when net-next will reopen after Oct
12th, thanks!
Paolo
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