LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Tao Ren <rentao.bupt@gmail.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Joel Stanley <joel@jms.id.au>, Rob Herring <robh+dt@kernel.org>,
	Andrew Jeffery <andrew@aj.id.au>,
	devicetree <devicetree@vger.kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	linux-aspeed <linux-aspeed@lists.ozlabs.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	OpenBMC Maillist <openbmc@lists.ozlabs.org>,
	Tao Ren <taoren@fb.com>
Subject: Re: [PATCH v2 4/6] ARM: dts: aspeed: Add Facebook Cloudripper (AST2600) BMC
Date: Fri, 13 Aug 2021 22:22:29 -0700	[thread overview]
Message-ID: <20210814052228.GA1298@taoren-ubuntu-R90MNF91> (raw)
In-Reply-To: <YRaFpq1LvRzMYr/A@lunn.ch>

Hi Andrew,

On Fri, Aug 13, 2021 at 04:45:58PM +0200, Andrew Lunn wrote:
> On Thu, Aug 12, 2021 at 08:40:17PM -0700, Tao Ren wrote:
> > On Fri, Aug 13, 2021 at 01:29:17AM +0000, Joel Stanley wrote:
> > > On Thu, 5 Aug 2021 at 22:28, <rentao.bupt@gmail.com> wrote:
> > > > +&mdio1 {
> > > > +       status = "okay";
> > > 
> > > You're enabling this but it looks like it's unused?
> > 
> > Thanks Joel for the careful review. The MDIO controller is not paired
> > with BMC MAC; instead, it's connected to the MDC/MDIO interface of the
> > on-board switch (whose ports are connected to BMC, Host and front panel
> > management port).
> 
> What switch is it? Is there a DSA driver for it? drivers/net/dsa/*
> Ideally you want Linux to be controlling the switch, in the standard
> linux way.
> 
>      Andrew

Thanks for jumping in. We are using BCM5389 and the MDIO bus is used to
access BCM5389 MDC/MDIO interface in Pseudo-PHY mode.

I didn't know drivers/net/dsa, but let me check out the drivers and see
if it works in the Cloudripper environment.


Thanks,

Tao

  reply	other threads:[~2021-08-14  5:22 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-05 22:28 [PATCH v2 0/6] ARM: dts: Add Facebook AST2600 BMCs rentao.bupt
2021-08-05 22:28 ` [PATCH v2 1/6] ARM: dts: Add Facebook BMC 128MB flash layout rentao.bupt
2021-08-05 22:28 ` [PATCH v2 2/6] ARM: dts: aspeed: wedge400: Use common " rentao.bupt
2021-08-05 22:28 ` [PATCH v2 3/6] ARM: dts: aspeed: Common dtsi for Facebook AST2600 Network BMCs rentao.bupt
2021-08-05 22:28 ` [PATCH v2 4/6] ARM: dts: aspeed: Add Facebook Cloudripper (AST2600) BMC rentao.bupt
2021-08-13  1:29   ` Joel Stanley
2021-08-13  3:40     ` Tao Ren
2021-08-13  4:13       ` Joel Stanley
2021-08-13 14:45       ` Andrew Lunn
2021-08-14  5:22         ` Tao Ren [this message]
2021-08-14 15:26           ` Andrew Lunn
2021-08-17  0:01             ` Tao Ren
2021-08-05 22:28 ` [PATCH v2 5/6] ARM: dts: aspeed: Add Facebook Elbert " rentao.bupt
2021-08-05 22:28 ` [PATCH v2 6/6] ARM: dts: aspeed: Add Facebook Fuji " rentao.bupt

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210814052228.GA1298@taoren-ubuntu-R90MNF91 \
    --to=rentao.bupt@gmail.com \
    --cc=andrew@aj.id.au \
    --cc=andrew@lunn.ch \
    --cc=devicetree@vger.kernel.org \
    --cc=joel@jms.id.au \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-aspeed@lists.ozlabs.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=openbmc@lists.ozlabs.org \
    --cc=robh+dt@kernel.org \
    --cc=taoren@fb.com \
    --subject='Re: [PATCH v2 4/6] ARM: dts: aspeed: Add Facebook Cloudripper (AST2600) BMC' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).