Re: [PATCH v2 0/2] Add Meta (Facebook) SanMiguel BMC (AST2620)
From: Andrew Lunn
Date: Wed Mar 11 2026 - 08:36:59 EST
On Wed, Mar 11, 2026 at 02:31:48PM +0800, Potin Lai wrote:
> On Tue, Feb 3, 2026 at 9:42 PM Andrew Lunn <andrew@xxxxxxx> wrote:
> >
> > On Tue, Feb 03, 2026 at 05:48:13PM +0800, Potin Lai wrote:
> > > Add Linux device tree entries for Meta (Facebook) SanMiguel specific
> > > devices connected to the AST2620 BMC SoC.
> > >
> > > Signed-off-by: Potin Lai <potin.lai.pt@xxxxxxxxx>
> > > ---
> > > Changes in v2:
> > > - change mac0 phy-mode to rgmii-id
> >
> > No other change? Was the previous version broken, and never tested? Is
> > this version broken and not tested? Is the phy-mode ignored, which
> > suggests something else is broken?
> >
> > Andrew
>
> Hi Andrew,
>
> Sorry for the late reply.
> Both "rgmii-id" and "rgmii-rxid" modes work fine without connection issues.
> However, based on the scan testing we performed in U-Boot, "rgmii-id"
> shows better coverage than "rgmii-rxid". Therefore, we decided to
> switch to "rgmii-id".
I'm surprised it works with both, that is well outside the RGMII
specification. The PHY must be pretty forgiving.
Anyway, thanks for the information.
Andrew