Re: [PATCH net-next 05/11] net: dsa: rzn1-a5psw: Add support for optional reset control

From: Philipp Zabel

Date: Fri Nov 21 2025 - 06:43:33 EST


On Fr, 2025-11-21 at 11:35 +0000, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
>
> Add support for an optional reset control to the RZN1 A5PSW driver.
> Obtain the reset line using
> devm_reset_control_get_optional_exclusive_deasserted() during probe
> to ensure that the Ethernet switch (ETHSW) block is properly released
> from reset before initialization.
>
> This change prepares the driver for use on Renesas RZ/T2H and RZ/N2H
> SoCs, where the ETHSW IP block is connected to a dedicated reset line
> that must be controlled by software.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>

regards
Philipp