linux-kernel - [PATCH net-next 2/8] dt-bindings: net: add DT bindings for Microsemi MIIM

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Date:   Fri, 23 Mar 2018 21:11:11 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     "David S . Miller" <davem@...emloft.net>
Cc:     Allan Nielsen <Allan.Nielsen@...rosemi.com>,
        razvan.stefanescu@....com, po.liu@....com,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mips@...ux-mips.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Rob Herring <robh+dt@...nel.org>
Subject: [PATCH net-next 2/8] dt-bindings: net: add DT bindings for Microsemi MIIM

DT bindings for the Microsemi MII Management Controller found on Microsemi
SoCs

Cc: Rob Herring <robh+dt@...nel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 .../devicetree/bindings/net/mscc-miim.txt          | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/mscc-miim.txt

diff --git a/Documentation/devicetree/bindings/net/mscc-miim.txt b/Documentation/devicetree/bindings/net/mscc-miim.txt
new file mode 100644
index 000000000000..711ac9ab853c
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/mscc-miim.txt
@@ -0,0 +1,25 @@
+Microsemi MII Management Controller (MIIM) / MDIO
+=================================================
+
+Properties:
+- compatible: must be "mscc,ocelot-miim"
+- reg: The base address of the MDIO bus controller register bank. Optionally, a
+  second register bank can be defined if there is an associated reset register
+  for internal PHYs
+- #address-cells: Must be <1>.
+- #size-cells: Must be <0>.  MDIO addresses have no size component.
+
+Typically an MDIO bus might have several children.
+
+Example:
+	mdio@...009c {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "mscc,ocelot-miim";
+		reg = <0x107009c 0x36>, <0x10700f0 0x8>;
+		interrupts = <14>;
+
+		phy0: ethernet-phy@0 {
+			reg = <0>;
+		};
+	};
-- 
2.16.2