linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Kyle Hendry <kylehendrydev@gmail.com>
To: Florian Fainelli <florian.fainelli@broadcom.com>,
	Andrew Lunn <andrew@lunn.ch>, Vladimir Oltean <olteanv@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Russell King <linux@armlinux.org.uk>
Cc: noltari@gmail.com, jonas.gorski@gmail.com,
	Kyle Hendry <kylehendrydev@gmail.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	netdev@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [RFC PATCH net-next 0/6] net: dsa: b53: mmap: Add bcm63xx EPHY power and reset control
Date: Fri, 20 Jun 2025 06:41:15 -0700	[thread overview]
Message-ID: <20250620134132.5195-1-kylehendrydev@gmail.com> (raw)

Some bcm63268 bootloaders hold the fast ethernet phys in reset 
causing an error when they're probed. The resets are controlled 
by a register in the gpio controller, and would need a minimal 
driver to set. However, that register also controls the 
power states of the EPHYs. I'm trying to implement both 
functionalities at the same time to make sure that they don't 
interfere with eachother. These patches allow control of the 
ephy register from the b53 switch driver. 

Is this the right place for this code, or should it be in a 
power domain? Should the resets be handled by a separate reset
controller?

Signed-off-by: Kyle Hendry <kylehendrydev@gmail.com>

Kyle Hendry (6):
  net: dsa: b53: Add phy_enable(), phy_disable() methods
  net: dsa: b53: mmap: Add reference to bcm63xx gpio controller
  dt-bindings: net: dsa: b53: Document brcm,gpio-ctrl property
  net: dsa: b53: mmap: Add register layout for bcm63268
  net: dsa: b53: mmap: Clear resets on bcm63xx EPHYs
  net: dsa: b53: mmap: Implement bcm63xx ephy power control

 .../devicetree/bindings/net/dsa/brcm,b53.yaml |  5 +
 drivers/net/dsa/b53/b53_common.c              |  6 ++
 drivers/net/dsa/b53/b53_mmap.c                | 99 ++++++++++++++++++-
 drivers/net/dsa/b53/b53_priv.h                |  2 +
 4 files changed, 111 insertions(+), 1 deletion(-)

-- 
2.43.0


             reply	other threads:[~2025-06-20 13:41 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-20 13:41 Kyle Hendry [this message]
2025-06-20 13:41 ` [RFC PATCH net-next 1/6] net: dsa: b53: Add phy_enable(), phy_disable() methods Kyle Hendry
2025-06-20 13:41 ` [RFC PATCH net-next 2/6] net: dsa: b53: mmap: Add reference to bcm63xx gpio controller Kyle Hendry
2025-06-20 13:41 ` [RFC PATCH net-next 3/6] dt-bindings: net: dsa: b53: Document brcm,gpio-ctrl property Kyle Hendry
2025-06-27 19:57   ` Rob Herring
2025-06-20 13:41 ` [RFC PATCH net-next 4/6] net: dsa: b53: mmap: Add register layout for bcm63268 Kyle Hendry
2025-06-20 13:41 ` [RFC PATCH net-next 5/6] net: dsa: b53: mmap: Clear resets on bcm63xx EPHYs Kyle Hendry
2025-06-20 13:41 ` [RFC PATCH net-next 6/6] net: dsa: b53: mmap: Implement bcm63xx ephy power control Kyle Hendry
2025-06-27 23:08 ` [RFC PATCH net-next 0/6] net: dsa: b53: mmap: Add bcm63xx EPHY power and reset control Florian Fainelli

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=20250620134132.5195-1-kylehendrydev@gmail.com \
    --to=kylehendrydev@gmail.com \
    --cc=andrew@lunn.ch \
    --cc=conor+dt@kernel.org \
    --cc=davem@davemloft.net \
    --cc=devicetree@vger.kernel.org \
    --cc=edumazet@google.com \
    --cc=f.fainelli@gmail.com \
    --cc=florian.fainelli@broadcom.com \
    --cc=jonas.gorski@gmail.com \
    --cc=krzk+dt@kernel.org \
    --cc=kuba@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@armlinux.org.uk \
    --cc=netdev@vger.kernel.org \
    --cc=noltari@gmail.com \
    --cc=olteanv@gmail.com \
    --cc=pabeni@redhat.com \
    --cc=robh@kernel.org \
    /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
Be sure your reply has a Subject: header at the top and a blank line before the message body.
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).