On Thu, Sep 04, 2025 at 12:42:01PM +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
>
> Add reset-line handling to the RZN1 MIIC driver and move reset
> configuration into the SoC/OF data. Introduce MIIC_MAX_NUM_RSTS (= 2),
> add storage for reset_control_bulk_data in struct miic and add
> reset_ids and reset_count fields to miic_of_data.
>
> When reset_ids are present in the OF data, the driver obtains the reset
> lines with devm_reset_control_bulk_get_exclusive(), deasserts them during
> probe and registers a devres action to assert them on remove or on error.
>
> This change is preparatory work to support the RZ/T2H SoC, which exposes
> two reset lines for the ETHSS IP. The driver remains backward compatible
> for platforms that do not provide reset lines.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
Andrew
