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Message-ID: <3890c6b32e984e75be2e5fbfdfbd8da8cc30beaf.1599825966.git.landen.chao@mediatek.com>
Date: Fri, 11 Sep 2020 20:56:25 +0800
From: Landen Chao <landen.chao@...iatek.com>
To: Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...il.com>,
Florian Fainelli <f.fainelli@...il.com>,
"David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Sean Wang <sean.wang@...iatek.com>,
Philipp Zabel <p.zabel@...gutronix.de>,
Russell King <linux@...linux.org.uk>
CC: <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <frank-w@...lic-files.de>,
<opensource@...rst.com>, <dqfext@...il.com>,
Landen Chao <landen.chao@...iatek.com>
Subject: [PATCH net-next v4 3/6] dt-bindings: net: dsa: add new MT7531 binding to support MT7531
Add devicetree binding to support the compatible mt7531 switch as used
in the MediaTek MT7531 switch.
Signed-off-by: Sean Wang <sean.wang@...iatek.com>
Signed-off-by: Landen Chao <landen.chao@...iatek.com>
---
.../devicetree/bindings/net/dsa/mt7530.txt | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/net/dsa/mt7530.txt b/Documentation/devicetree/bindings/net/dsa/mt7530.txt
index c5ed5d25f642..560369efad6c 100644
--- a/Documentation/devicetree/bindings/net/dsa/mt7530.txt
+++ b/Documentation/devicetree/bindings/net/dsa/mt7530.txt
@@ -5,6 +5,7 @@ Required properties:
- compatible: may be compatible = "mediatek,mt7530"
or compatible = "mediatek,mt7621"
+ or compatible = "mediatek,mt7531"
- #address-cells: Must be 1.
- #size-cells: Must be 0.
- mediatek,mcm: Boolean; if defined, indicates that either MT7530 is the part
@@ -32,10 +33,14 @@ Required properties for the child nodes within ports container:
- reg: Port address described must be 6 for CPU port and from 0 to 5 for
user ports.
-- phy-mode: String, must be either "trgmii" or "rgmii" for port labeled
- "cpu".
-
-Port 5 of the switch is muxed between:
+- phy-mode: String, the following values are acceptable for port labeled
+ "cpu":
+ If compatible mediatek,mt7530 or mediatek,mt7621 is set,
+ must be either "trgmii" or "rgmii"
+ If compatible mediatek,mt7531 is set,
+ must be either "sgmii", "1000base-x" or "2500base-x"
+
+Port 5 of mt7530 and mt7621 switch is muxed between:
1. GMAC5: GMAC5 can interface with another external MAC or PHY.
2. PHY of port 0 or port 4: PHY interfaces with an external MAC like 2nd GMAC
of the SOC. Used in many setups where port 0/4 becomes the WAN port.
--
2.17.1
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