target/linux/mediatek/patches-5.4/0600-3-6-dt-bindings-net-dsa-add-new-MT7531-binding-to-support-MT7531.patch

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   5 X-Patchwork-Submitter: Landen Chao <landen.chao@mediatek.com>
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  50 From: Landen Chao <landen.chao@mediatek.com>
  51 To: <andrew@lunn.ch>, <f.fainelli@gmail.com>,
  52  <vivien.didelot@savoirfairelinux.com>, <matthias.bgg@gmail.com>,
  53  <robh+dt@kernel.org>, <mark.rutland@arm.com>
  54 CC: <devicetree@vger.kernel.org>, <netdev@vger.kernel.org>,
  55  <linux-kernel@vger.kernel.org>,
  56  <linux-mediatek@lists.infradead.org>, <davem@davemloft.net>,
  57  <sean.wang@mediatek.com>, <opensource@vdorst.com>,
  58  <frank-w@public-files.de>, Landen Chao <landen.chao@mediatek.com>
  59 Subject: [PATCH net-next 3/6] dt-bindings: net: dsa: add new MT7531 binding
  60  to support MT7531
  61 Date: Tue, 10 Dec 2019 16:14:39 +0800
  62 Message-ID: <1c382fd916b66bfe3ce8ef18c12f954dbcbddbbc.1575914275.git.landen.chao@mediatek.com>
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  72
  73 Add devicetree binding to support the compatible mt7531 switch as used
  74 in the MediaTek MT7531 switch.
  75
  76 Signed-off-by: Sean Wang <sean.wang@mediatek.com>
  77 Signed-off-by: Landen Chao <landen.chao@mediatek.com>
  78 ---
  79  .../devicetree/bindings/net/dsa/mt7530.txt    | 77 ++++++++++++++++++-
  80  1 file changed, 74 insertions(+), 3 deletions(-)
  81
  82 --- a/Documentation/devicetree/bindings/net/dsa/mt7530.txt
  83 +++ b/Documentation/devicetree/bindings/net/dsa/mt7530.txt
  84 @@ -5,6 +5,7 @@ Required properties:
  85
  86  - compatible: may be compatible = "mediatek,mt7530"
  87         or compatible = "mediatek,mt7621"
  88 +       or compatible = "mediatek,mt7531"
  89  - #address-cells: Must be 1.
  90  - #size-cells: Must be 0.
  91  - mediatek,mcm: Boolean; if defined, indicates that either MT7530 is the part
  92 @@ -32,10 +33,13 @@ Required properties for the child nodes
  93
  94  - reg: Port address described must be 6 for CPU port and from 0 to 5 for
  95         user ports.
  96 -- phy-mode: String, must be either "trgmii" or "rgmii" for port labeled
  97 -        "cpu".
  98 +- phy-mode: String, the follow value would be acceptable for port labeled "cpu"
  99 +       If compatible mediatek,mt7530 or mediatek,mt7621 is set,
 100 +       must be either "trgmii" or "rgmii"
 101 +       If compatible mediatek,mt7531 is set,
 102 +       must be either "sgmii", "1000base-x" or "2500base-x"
 103
 104 -Port 5 of the switch is muxed between:
 105 +Port 5 of mt7530 and mt7621 switch is muxed between:
 106  1. GMAC5: GMAC5 can interface with another external MAC or PHY.
 107  2. PHY of port 0 or port 4: PHY interfaces with an external MAC like 2nd GMAC
 108     of the SOC. Used in many setups where port 0/4 becomes the WAN port.
 109 @@ -308,3 +312,70 @@ Example 3: MT7621: Port 5 is connected t
 110                 };
 111         };
 112  };
 113 +
 114 +Example 4:
 115 +
 116 +&eth {
 117 +       gmac0: mac@0 {
 118 +               compatible = "mediatek,eth-mac";
 119 +               reg = <0>;
 120 +               phy-mode = "2500base-x";
 121 +
 122 +               fixed-link {
 123 +                       speed = <1000>;
 124 +                       full-duplex;
 125 +                       pause;
 126 +               };
 127 +       };
 128 +
 129 +       &mdio0 {
 130 +               switch@0 {
 131 +                       compatible = "mediatek,mt7531";
 132 +                       reg = <0>;
 133 +                       reset-gpios = <&pio 54 0>;
 134 +
 135 +                       ports {
 136 +                               #address-cells = <1>;
 137 +                               #size-cells = <0>;
 138 +                               reg = <0>;
 139 +
 140 +                               port@0 {
 141 +                                       reg = <0>;
 142 +                                       label = "lan0";
 143 +                               };
 144 +
 145 +                               port@1 {
 146 +                                       reg = <1>;
 147 +                                       label = "lan1";
 148 +                               };
 149 +
 150 +                               port@2 {
 151 +                                       reg = <2>;
 152 +                                       label = "lan2";
 153 +                               };
 154 +
 155 +                               port@3 {
 156 +                                       reg = <3>;
 157 +                                       label = "lan3";
 158 +                               };
 159 +
 160 +                               port@4 {
 161 +                                       reg = <4>;
 162 +                                       label = "wan";
 163 +                               };
 164 +
 165 +                               port@6 {
 166 +                                       reg = <6>;
 167 +                                       label = "cpu";
 168 +                                       ethernet = <&gmac0>;
 169 +                                       phy-mode = "2500base-x";
 170 +
 171 +                                       fixed-link {
 172 +                                               speed = <1000>;
 173 +                                               full-duplex;
 174 +                                               pause;
 175 +                                       };
 176 +                               };
 177 +                       };
 178 +               };
 179 +       };