64175ffb79
* adds MT7530 DSA support * backport latest ethernet driver * add PMIC leds * add auxadc support * add efuse support * add thermal sensor support * add irq affinity support for ethernet still todo * DSA multi cpu support Signed-off-by: John Crispin <john@phrozen.org>
127 lines
3.6 KiB
Diff
127 lines
3.6 KiB
Diff
From patchwork Wed Mar 29 09:38:19 2017
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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Subject: [net-next,v3,1/5] dt-bindings: net: dsa: add Mediatek MT7530 binding
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From: sean.wang@mediatek.com
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X-Patchwork-Id: 9651093
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Message-Id: <1490780303-18598-2-git-send-email-sean.wang@mediatek.com>
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To: <andrew@lunn.ch>, <f.fainelli@gmail.com>,
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<vivien.didelot@savoirfairelinux.com>, <matthias.bgg@gmail.com>,
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<robh+dt@kernel.org>, <mark.rutland@arm.com>
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Cc: devicetree@vger.kernel.org, Landen.Chao@mediatek.com, keyhaede@gmail.com,
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netdev@vger.kernel.org, sean.wang@mediatek.com,
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linux-kernel@vger.kernel.org,
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linux-mediatek@lists.infradead.org, objelf@gmail.com, davem@davemloft.net
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Date: Wed, 29 Mar 2017 17:38:19 +0800
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From: Sean Wang <sean.wang@mediatek.com>
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Add device-tree binding for Mediatek MT7530 switch.
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Cc: devicetree@vger.kernel.org
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Signed-off-by: Sean Wang <sean.wang@mediatek.com>
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Acked-by: Rob Herring <robh@kernel.org>
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---
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.../devicetree/bindings/net/dsa/mt7530.txt | 92 ++++++++++++++++++++++
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1 file changed, 92 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/net/dsa/mt7530.txt
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diff --git a/Documentation/devicetree/bindings/net/dsa/mt7530.txt b/Documentation/devicetree/bindings/net/dsa/mt7530.txt
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new file mode 100644
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index 0000000..a9bc27b
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/net/dsa/mt7530.txt
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@@ -0,0 +1,92 @@
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+Mediatek MT7530 Ethernet switch
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+================================
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+
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+Required properties:
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+
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+- compatible: Must be compatible = "mediatek,mt7530";
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+- #address-cells: Must be 1.
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+- #size-cells: Must be 0.
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+- mediatek,mcm: Boolean; if defined, indicates that either MT7530 is the part
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+ on multi-chip module belong to MT7623A has or the remotely standalone
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+ chip as the function MT7623N reference board provided for.
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+- core-supply: Phandle to the regulator node necessary for the core power.
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+- io-supply: Phandle to the regulator node necessary for the I/O power.
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+ See Documentation/devicetree/bindings/regulator/mt6323-regulator.txt
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+ for details for the regulator setup on these boards.
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+
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+If the property mediatek,mcm isn't defined, following property is required
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+
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+- reset-gpios: Should be a gpio specifier for a reset line.
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+
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+Else, following properties are required
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+
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+- resets : Phandle pointing to the system reset controller with
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+ line index for the ethsys.
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+- reset-names : Should be set to "mcm".
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+
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+Required properties for the child nodes within ports container:
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+
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+- reg: Port address described must be 6 for CPU port and from 0 to 5 for
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+ user ports.
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+- phy-mode: String, must be either "trgmii" or "rgmii" for port labeled
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+ "cpu".
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+
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+See Documentation/devicetree/bindings/dsa/dsa.txt for a list of additional
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+required, optional properties and how the integrated switch subnodes must
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+be specified.
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+
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+Example:
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+
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+ &mdio0 {
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+ switch@0 {
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+ compatible = "mediatek,mt7530";
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ reg = <0>;
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+
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+ core-supply = <&mt6323_vpa_reg>;
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+ io-supply = <&mt6323_vemc3v3_reg>;
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+ reset-gpios = <&pio 33 0>;
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+
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+ ports {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ reg = <0>;
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+ port@0 {
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+ reg = <0>;
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+ label = "lan0";
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+ };
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+
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+ port@1 {
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+ reg = <1>;
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+ label = "lan1";
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+ };
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+
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+ port@2 {
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+ reg = <2>;
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+ label = "lan2";
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+ };
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+
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+ port@3 {
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+ reg = <3>;
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+ label = "lan3";
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+ };
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+
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+ port@4 {
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+ reg = <4>;
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+ label = "wan";
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+ };
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+
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+ port@6 {
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+ reg = <6>;
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+ label = "cpu";
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+ ethernet = <&gmac0>;
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+ phy-mode = "trgmii";
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+ fixed-link {
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+ speed = <1000>;
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+ full-duplex;
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+ };
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+ };
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+ };
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+ };
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+ };
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