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Message-Id: <20220806141059.2498226-5-vladimir.oltean@nxp.com>
Date: Sat, 6 Aug 2022 17:10:53 +0300
From: Vladimir Oltean <vladimir.oltean@....com>
To: netdev@...r.kernel.org
Cc: devicetree@...r.kernel.org,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...il.com>,
Florian Fainelli <f.fainelli@...il.com>,
Vladimir Oltean <olteanv@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Oleksij Rempel <linux@...pel-privat.de>,
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John Crispin <john@...ozen.org>,
Kurt Kanzenbach <kurt@...utronix.de>,
Mans Rullgard <mans@...sr.com>,
Arun Ramadoss <arun.ramadoss@...rochip.com>,
Woojung Huh <woojung.huh@...rochip.com>,
UNGLinuxDriver@...rochip.com,
Claudiu Manoil <claudiu.manoil@....com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
George McCollister <george.mccollister@...il.com>,
DENG Qingfang <dqfext@...il.com>,
Sean Wang <sean.wang@...iatek.com>,
Landen Chao <Landen.Chao@...iatek.com>,
Matthias Brugger <matthias.bgg@...il.com>,
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linux-renesas-soc@...r.kernel.org
Subject: [RFC PATCH v3 net-next 04/10] dt-bindings: net: dsa: microchip: add missing CPU port phy-mode to example
The ksz_switch_chips[] element for KSZ9477 says that port 5 is an xMII
port and it supports speeds of 10/100/1000. The device tree example does
declare a fixed-link at 1000, and RGMII is the only one of those modes
that supports this speed, so use this phy-mode.
The microchip,ksz8565 compatible string is not supported by the
microchip driver, however on Microchip's product page it says that there
are 5 ports, 4 of which have internal PHYs and the 5th is an
MII/RMII/RGMII port. It's a bit strange that this is port@6, but it is
probably just the way it is. Select an RGMII phy-mode for this one as
well.
Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
v2->v3: patch is new
Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml b/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
index 6bbd8145b6c1..456802affc9d 100644
--- a/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
+++ b/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
@@ -109,6 +109,8 @@ examples:
reg = <5>;
label = "cpu";
ethernet = <ð0>;
+ phy-mode = "rgmii";
+
fixed-link {
speed = <1000>;
full-duplex;
@@ -146,6 +148,8 @@ examples:
reg = <6>;
label = "cpu";
ethernet = <ð0>;
+ phy-mode = "rgmii";
+
fixed-link {
speed = <1000>;
full-duplex;
--
2.34.1
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