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Date:   Thu, 18 Jun 2020 08:40:29 +0200
From:   Kurt Kanzenbach <kurt@...utronix.de>
To:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Richard Cochran <richardcochran@...il.com>,
        Kamil Alkhouri <kamil.alkhouri@...offenburg.de>,
        ilias.apalodimas@...aro.org, Kurt Kanzenbach <kurt@...utronix.de>
Subject: [RFC PATCH 9/9] dt-bindings: net: dsa: Add documentation for Hellcreek switches

Add basic documentation and example.

Signed-off-by: Kurt Kanzenbach <kurt@...utronix.de>
---
 .../devicetree/bindings/net/dsa/hellcreek.txt | 72 +++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/dsa/hellcreek.txt

diff --git a/Documentation/devicetree/bindings/net/dsa/hellcreek.txt b/Documentation/devicetree/bindings/net/dsa/hellcreek.txt
new file mode 100644
index 000000000000..9ea6494dc554
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/dsa/hellcreek.txt
@@ -0,0 +1,72 @@
+Hirschmann hellcreek switch driver
+==================================
+
+Required properties:
+
+- compatible:
+	Must be one of:
+	- "hirschmann,hellcreek"
+
+See Documentation/devicetree/bindings/net/dsa/dsa.txt for the list of standard
+DSA required and optional properties.
+
+Example
+-------
+
+Ethernet switch connected memory mapped to the host, CPU port wired to gmac0:
+
+soc {
+        switch0: switch@...f240000 {
+                compatible = "hirschmann,hellcreek";
+                status = "okay";
+                reg = <0xff240000 0x1000   /* TSN base */
+                       0xff250000 0x1000>; /* PTP base */
+                dsa,member = <0 0>;
+
+                ports {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+
+                        port@0 {
+                                reg = <0>;
+                                label = "cpu";
+                                ethernet = <&gmac0>;
+                        };
+
+                        port@2 {
+                                reg = <2>;
+                                label = "lan0";
+                                phy-handle = <&phy1>;
+                        };
+
+                        port@3 {
+                                reg = <3>;
+                                label = "lan1";
+                                phy-handle = <&phy2>;
+                        };
+                };
+        };
+};
+
+&gmac0 {
+        status = "okay";
+        phy-mode = "mii";
+
+        fixed-link {
+                speed = <100>;
+                full-duplex;
+        };
+
+        mdio {
+                #address-cells = <1>;
+                #size-cells = <0>;
+                compatible = "snps,dwmac-mdio";
+
+                phy1: ethernet-phy@1 {
+                        reg = <1>;
+                };
+                phy2: ethernet-phy@2 {
+                        reg = <2>;
+                };
+        };
+};
-- 
2.20.1

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