diff options
| author | Landen Chao <landen.chao@mediatek.com> | 2020-09-11 16:48:53 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-15 02:30:39 +0300 |
| commit | 27834b02230d8666a7eee78a58284588aaedd082 (patch) | |
| tree | 3b9437119000dcce60c9791a34edca6a5321fc75 /Documentation/devicetree/bindings/net | |
| parent | 88bdef8be9f649ce4adf0d775a9a1cba7d5cc524 (diff) | |
| download | linux-27834b02230d8666a7eee78a58284588aaedd082.tar.xz | |
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@mediatek.com>
Signed-off-by: Landen Chao <landen.chao@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/devicetree/bindings/net')
| -rw-r--r-- | Documentation/devicetree/bindings/net/dsa/mt7530.txt | 13 |
1 files 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. |