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From: Landen Chao <landen.chao@mediatek.com>
To: <andrew@lunn.ch>, <f.fainelli@gmail.com>,
	<vivien.didelot@savoirfairelinux.com>, <matthias.bgg@gmail.com>,
	<robh+dt@kernel.org>, <mark.rutland@arm.com>
Cc: <devicetree@vger.kernel.org>, <netdev@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	<linux-mediatek@lists.infradead.org>, <davem@davemloft.net>,
	<sean.wang@mediatek.com>, <opensource@vdorst.com>,
	<frank-w@public-files.de>, <dqfext@gmail.com>,
	Landen Chao <landen.chao@mediatek.com>
Subject: [PATCH net-next v2 4/7] dt-bindings: net: dsa: add new MT7531 binding to support MT7531
Date: Tue, 18 Aug 2020 15:14:09 +0800	[thread overview]
Message-ID: <1ec38b68deec6f1c23e1236d38035b1823ea2ebf.1597729692.git.landen.chao@mediatek.com> (raw)
In-Reply-To: <cover.1597729692.git.landen.chao@mediatek.com>

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>
---
 .../devicetree/bindings/net/dsa/mt7530.txt    | 71 ++++++++++++++++++-
 1 file changed, 68 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/dsa/mt7530.txt b/Documentation/devicetree/bindings/net/dsa/mt7530.txt
index c5ed5d25f642..50eaf40fb612 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 +33,13 @@ 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".
+- phy-mode: String, the follow value would be 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 the switch is muxed between:
+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.
@@ -308,3 +312,64 @@ Example 3: MT7621: Port 5 is connected to external PHY: Port 5 -> external PHY.
 		};
 	};
 };
+
+Example 4: MT7531BE port6 -- up-clocked 2.5Gbps SGMII -- MT7622 CPU 1st GMAC
+
+&eth {
+	gmac0: mac@0 {
+		compatible = "mediatek,eth-mac";
+		reg = <0>;
+		phy-mode = "2500base-x";
+
+		fixed-link {
+			speed = <2500>;
+			full-duplex;
+			pause;
+		};
+	};
+
+	&mdio0 {
+		switch@0 {
+			compatible = "mediatek,mt7531";
+			reg = <0>;
+			reset-gpios = <&pio 54 0>;
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <0>;
+
+				port@0 {
+					reg = <0>;
+					label = "lan0";
+				};
+
+				port@1 {
+					reg = <1>;
+					label = "lan1";
+				};
+
+				port@2 {
+					reg = <2>;
+					label = "lan2";
+				};
+
+				port@3 {
+					reg = <3>;
+					label = "lan3";
+				};
+
+				port@4 {
+					reg = <4>;
+					label = "wan";
+				};
+
+				port@6 {
+					reg = <6>;
+					label = "cpu";
+					ethernet = <&gmac0>;
+					phy-mode = "2500base-x";
+				};
+			};
+		};
+	};
-- 
2.17.1

  parent reply	other threads:[~2020-08-18  7:14 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-18  7:14 [PATCH net-next v2 0/7] net-next: dsa: mt7530: add support for MT7531 Landen Chao
2020-08-18  7:14 ` [PATCH net-next v2 1/7] net: dsa: mt7530: Refine message in Kconfig Landen Chao
2020-08-18  7:14 ` [PATCH net-next v2 2/7] net: dsa: mt7530: support full-duplex gigabit only Landen Chao
2020-08-18 15:49   ` Andrew Lunn
2020-08-18  7:14 ` [PATCH net-next v2 3/7] net: dsa: mt7530: Extend device data ready for adding a new hardware Landen Chao
2020-08-18 15:56   ` Andrew Lunn
2020-08-18 17:31   ` Frank Wunderlich
2020-08-18  7:14 ` Landen Chao [this message]
2020-08-25 19:43   ` [PATCH net-next v2 4/7] dt-bindings: net: dsa: add new MT7531 binding to support MT7531 Rob Herring
2020-08-18  7:14 ` [PATCH net-next v2 5/7] net: dsa: mt7530: Add the support of MT7531 switch Landen Chao
2020-08-18 15:23   ` Jakub Kicinski
2020-08-19  9:50     ` Landen Chao
2020-08-18 16:09   ` Andrew Lunn
2020-08-19  9:44     ` Landen Chao
2020-08-19 13:12       ` Andrew Lunn
2020-08-19 23:46       ` René van Dorst
2020-08-20 15:29         ` Chuanhong Guo
2020-08-18  7:14 ` [PATCH net-next v2 6/7] arm64: dts: mt7622: add mt7531 dsa to mt7622-rfb1 board Landen Chao
2020-08-18 16:10   ` Andrew Lunn
2020-08-18  7:14 ` [PATCH net-next v2 7/7] arm64: dts: mt7622: add mt7531 dsa to bananapi-bpi-r64 board Landen Chao
2020-08-18 16:24   ` Vladimir Oltean
2020-08-19  8:15     ` Landen Chao
2020-08-19  8:51       ` Vladimir Oltean
2020-08-18 17:54 ` Aw: [PATCH net-next v2 0/7] net-next: dsa: mt7530: add support for MT7531 Frank Wunderlich
2020-08-19  3:49 ` DENG Qingfang
2020-08-19  7:38   ` Landen Chao

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