From 27834b02230d8666a7eee78a58284588aaedd082 Mon Sep 17 00:00:00 2001 From: Landen Chao Date: Fri, 11 Sep 2020 21:48:53 +0800 Subject: [PATCH] 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 Signed-off-by: Landen Chao Signed-off-by: David S. Miller --- Documentation/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 c5ed5d2..560369e 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. -- 2.7.4