Re: [PATCH net-next v3 1/9] net: phy: dp83867: add regulator supply management

From: Andrew Lunn

Date: Sat Oct 17 2026 - 09:53:21 EST


On Sat, Oct 17, 2026 at 03:15:12PM +0530, Mohd Ayaan Anwar wrote:
> Some embedded board designs use GPIO-controlled regulators for the
> DP83867 power rails. Add dp83867_power_on() to enable all four supply
> domains at probe time. Absent supplies are silently skipped, so boards
> that do not describe them are unaffected.
>
> When any supply is newly enabled the driver sleeps for 200 ms before
> returning. This satisfies the post power-up stabilisation requirement
> mentioned in section 6.6 of the DP83867E/IS/CS datasheet.
>
> Acked-by: Lorenzo Bianconi <lorenzo.bianconi@xxxxxxxxxxxxxxxx>
> Acked-by: Andrew Davis <afd@xxxxxx>
> Signed-off-by: Mohd Ayaan Anwar <mohd.anwar@xxxxxxxxxxxxxxxx>

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

Andrew