From: "Kamil Horák - 2N" <kamilh@axis.com>
To: <florian.fainelli@broadcom.com>,
<bcm-kernel-feedback-list@broadcom.com>, <andrew@lunn.ch>,
<hkallweit1@gmail.com>, <linux@armlinux.org.uk>,
<davem@davemloft.net>, <edumazet@google.com>, <kuba@kernel.org>,
<pabeni@redhat.com>, <krzk+dt@kernel.org>, <conor+dt@kernel.org>
Cc: <kamilh@axis.com>, <netdev@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<f.fainelli@gmail.com>, <robh@kernel.org>,
<andrew+netdev@lunn.ch>
Subject: [PATCH net v3 2/4] dt-bindings: ethernet-phy: add MII-Lite phy interface type
Date: Mon, 30 Jun 2025 13:30:31 +0200 [thread overview]
Message-ID: <20250630113033.978455-3-kamilh@axis.com> (raw)
In-Reply-To: <20250630113033.978455-1-kamilh@axis.com>
Some Broadcom PHYs are capable to operate in simplified MII mode,
without TXER, RXER, CRS and COL signals as defined for the MII.
The MII-Lite mode can be used on most Ethernet controllers with full
MII interface by just leaving the input signals (RXER, CRS, COL)
inactive. The absence of COL signal makes half-duplex link modes
impossible but does not interfere with BroadR-Reach link modes on
Broadcom PHYs, because they are all full-duplex only.
Add new interface type "mii-lite" to phy-connection-type enum.
Signed-off-by: Kamil Horák - 2N <kamilh@axis.com>
---
Documentation/devicetree/bindings/net/ethernet-controller.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/net/ethernet-controller.yaml b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
index 7cbf11bbe99c..66b1cfbbfe22 100644
--- a/Documentation/devicetree/bindings/net/ethernet-controller.yaml
+++ b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
@@ -39,6 +39,7 @@ properties:
# MAC.
- internal
- mii
+ - mii-lite
- gmii
- sgmii
- psgmii
--
2.39.5
next prev parent reply other threads:[~2025-06-30 11:31 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-30 11:30 [PATCH net v3 0/4] net: phy: bcm54811: Fix the PHY initialization Kamil Horák - 2N
2025-06-30 11:30 ` [PATCH net v3 1/4] net: phy: MII-Lite PHY interface mode Kamil Horák - 2N
2025-06-30 13:11 ` Maxime Chevallier
2025-06-30 17:01 ` Florian Fainelli
2025-06-30 11:30 ` Kamil Horák - 2N [this message]
2025-06-30 13:12 ` [PATCH net v3 2/4] dt-bindings: ethernet-phy: add MII-Lite phy interface type Maxime Chevallier
2025-06-30 17:02 ` Florian Fainelli
2025-06-30 11:30 ` [PATCH net v3 3/4] net: phy: bcm5481x: MII-Lite activation Kamil Horák - 2N
2025-06-30 17:05 ` Florian Fainelli
2025-06-30 11:30 ` [PATCH net v3 4/4] net: phy: bcm54811: Fix the PHY initialization Kamil Horák - 2N
2025-06-30 17:04 ` 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=20250630113033.978455-3-kamilh@axis.com \
--to=kamilh@axis.com \
--cc=andrew+netdev@lunn.ch \
--cc=andrew@lunn.ch \
--cc=bcm-kernel-feedback-list@broadcom.com \
--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=hkallweit1@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=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).