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Date:	Sun, 22 Nov 2015 09:40:51 +0100
From:	John Crispin <blogic@...nwrt.org>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, Michael Lee <igvtee@...il.com>,
	Felix Fietkau <nbd@...nwrt.org>,
	Steven Liu (劉人豪) 
	<steven.liu@...iatek.com>,
	Fred Chang (張嘉宏) 
	<Fred.Chang@...iatek.com>, John Crispin <blogic@...nwrt.org>
Subject: [RFC 1/8] Documentation: DT: net: add docs for ralink/mediatek SoC ethernet binding

Add three files. ralink,rt2880-net.txt  descibes the actual frame engine
and the other two describe the switch forntend bindings.

Signed-off-by: John Crispin <blogic@...nwrt.org>
Signed-off-by: Felix Fietkau <nbd@...nwrt.org>
Signed-off-by: Michael Lee <igvtee@...il.com>
Cc: devicetree@...r.kernel.org
---
 .../bindings/net/mediatek,mt7620-gsw.txt           |   26 +++++++++
 .../devicetree/bindings/net/ralink,rt2880-net.txt  |   61 ++++++++++++++++++++
 .../devicetree/bindings/net/ralink,rt3050-esw.txt  |   32 ++++++++++
 3 files changed, 119 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/mediatek,mt7620-gsw.txt
 create mode 100644 Documentation/devicetree/bindings/net/ralink,rt2880-net.txt
 create mode 100644 Documentation/devicetree/bindings/net/ralink,rt3050-esw.txt

diff --git a/Documentation/devicetree/bindings/net/mediatek,mt7620-gsw.txt b/Documentation/devicetree/bindings/net/mediatek,mt7620-gsw.txt
new file mode 100644
index 0000000..fb47d8e
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/mediatek,mt7620-gsw.txt
@@ -0,0 +1,26 @@
+Mediatek Gigabit Switch
+=======================
+
+The mediatek gigabit switch can be found on Mediatek SoCs (mt7620, mt7621).
+
+Required properties:
+- compatible: Should be "mediatek,mt7620-gsw"
+- reg: Address and length of the register set for the device
+- interrupt-parent: Should be the phandle for the interrupt controller
+  that services interrupts for this device
+- interrupts: Should contain the gigabit switches interrupt
+- resets: Should contain the gigabit switches resets
+- reset-names: Should contain the reset names "gsw"
+
+Example:
+
+gsw@...10000 {
+	compatible = "ralink,mt7620-gsw";
+	reg = <0x10110000 8000>;
+
+	resets = <&rstctrl 23>;
+	reset-names = "gsw";
+
+	interrupt-parent = <&intc>;
+	interrupts = <17>;
+};
diff --git a/Documentation/devicetree/bindings/net/ralink,rt2880-net.txt b/Documentation/devicetree/bindings/net/ralink,rt2880-net.txt
new file mode 100644
index 0000000..88b095d
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/ralink,rt2880-net.txt
@@ -0,0 +1,61 @@
+Ralink Frame Engine Ethernet controller
+=======================================
+
+The Ralink frame engine ethernet controller can be found on Ralink and
+Mediatek SoCs (RT288x, RT3x5x, RT366x, RT388x, rt5350, mt7620, mt7621, mt76x8).
+
+Depending on the SoC, there is a number of ports connected to the CPU port
+directly and/or via a (gigabit-)switch.
+
+* Ethernet controller node
+
+Required properties:
+- compatible: Should be one of "ralink,rt2880-eth", "ralink,rt3050-eth",
+  "ralink,rt3050-eth", "ralink,rt3883-eth", "ralink,rt5350-eth",
+  "mediatek,mt7620-eth", "mediatek,mt7621-eth"
+- reg: Address and length of the register set for the device
+- interrupt-parent: Should be the phandle for the interrupt controller
+  that services interrupts for this device
+- interrupts: Should contain the frame engines interrupt
+- resets: Should contain the frame engines resets
+- reset-names: Should contain the reset names "fe". If a switch is present
+  "esw" is also required.
+
+
+* Ethernet port node
+
+Required properties:
+- compatible: Should be "ralink,eth-port"
+- reg: The number of the physical port
+- phy-handle: reference to the node describing the phy
+
+Example:
+
+mdio-bus {
+	...
+	phy0: ethernet-phy@0 {
+		phy-mode = "mii";
+		reg = <0>;
+	};
+};
+
+ethernet@...000 {
+	compatible = "ralink,rt2880-eth";
+	reg = <0x00400000 10000>;
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	resets = <&rstctrl 18>;
+	reset-names = "fe";
+
+	interrupt-parent = <&cpuintc>;
+	interrupts = <5>;
+
+	port@0 {
+		compatible = "ralink,eth-port";
+		reg = <0>;
+		phy-handle = <&phy0>;
+	};
+
+};
diff --git a/Documentation/devicetree/bindings/net/ralink,rt3050-esw.txt b/Documentation/devicetree/bindings/net/ralink,rt3050-esw.txt
new file mode 100644
index 0000000..ed32e21
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/ralink,rt3050-esw.txt
@@ -0,0 +1,32 @@
+Ralink Fast Ethernet Embedded Switch
+====================================
+
+The ralink fast ethernet embedded switch can be found on Ralink and Mediatek
+SoCs (RT3x5x, rt5350, mt76x8).
+
+Required properties:
+- compatible: Should be "ralink,rt3050-esw"
+- reg: Address and length of the register set for the device
+- interrupt-parent: Should be the phandle for the interrupt controller
+  that services interrupts for this device
+- interrupts: Should contain the embedded switches interrupt
+- resets: Should contain the embedded switches resets
+- reset-names: Should contain the reset names "esw"
+
+Optional properties:
+- ralink,portmap: can be used to choose if the default switch setup is
+  llllw or wllll
+- ralink,led_polarity: override the active high/low settings of the leds
+
+Example:
+
+esw@...10000 {
+	compatible = "ralink,rt3050-esw";
+	reg = <0x10110000 8000>;
+
+	resets = <&rstctrl 23>;
+	reset-names = "esw";
+
+	interrupt-parent = <&intc>;
+	interrupts = <17>;
+};
-- 
1.7.10.4
--
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