Re: [RFC PATCH v2 0/7] Add ethernet support for the Amlogic T7

[Andrew Lunn]

On Wed, Oct 07, 2026 at 09:26:20AM +0100, Lucas Tanure wrote:
> The T7 pairs a Synopsys gigabit MAC with the same glue registers the
> G12A has, but nothing described it. This adds the binding, the driver
> support and the device tree nodes, and enables the port on the Khadas
> VIM4.
> 
> Unlike the G12A, the controller reaches DRAM through a pipeline stage
> with a gate of its own, sys_ampipe_eth. Nothing else claims it, so
> clk_disable_unused switches it off and transfers stop.
> 
> v2 changes the RGMII delays, after review. phy-mode describes the
> board, not which chip adds the delay, so this board is rgmii-id.
> dwmac-meson8b did the opposite, and ignored the *-internal-delay-ps
> properties. Patch 1 fixes that. The VIM4 needs it because the RTL8211F
> transmit delay does not work here.

What is special about the RTL8211F?

     Andrew