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Date:   Fri,  6 Aug 2021 15:19:03 +0930
From:   Joel Stanley <joel@....id.au>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Stafford Horne <shorne@...il.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Anton Blanchard <anton@...abs.org>,
        Gabriel Somlo <gsomlo@...il.com>, David Shah <dave@....me>,
        Karol Gugala <kgugala@...micro.com>,
        Mateusz Holenko <mholenko@...micro.com>,
        devicetree@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: net: Add bindings for LiteETH

LiteETH is a small footprint and configurable Ethernet core for FPGA
based system on chips.

Signed-off-by: Joel Stanley <joel@....id.au>
---
 .../bindings/net/litex,liteeth.yaml           | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/litex,liteeth.yaml

diff --git a/Documentation/devicetree/bindings/net/litex,liteeth.yaml b/Documentation/devicetree/bindings/net/litex,liteeth.yaml
new file mode 100644
index 000000000000..e2a837dbfdaa
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/litex,liteeth.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/litex,liteeth.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LiteX LiteETH ethernet device
+
+maintainers:
+  - Joel Stanley <joel@....id.au>
+
+description: |
+  LiteETH is a small footprint and configurable Ethernet core for FPGA based
+  system on chips.
+
+  The hardware source is Open Source and can be found on at
+  https://github.com/enjoy-digital/liteeth/.
+
+properties:
+  compatible:
+    const: litex,liteeth
+
+  reg:
+    minItems: 3
+    items:
+      - description: MAC registers
+      - description: MDIO registers
+      - description: Packet buffer
+
+  interrupts:
+    maxItems: 1
+
+  rx-fifo-depth:
+    description: Receive FIFO size, in units of 2048 bytes
+
+  tx-fifo-depth:
+    description: Transmit FIFO size, in units of 2048 bytes
+
+  mac-address:
+    description: MAC address to use
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    mac: ethernet@...0000 {
+        compatible = "litex,liteeth";
+        reg = <0x8021000 0x100
+               0x8020800 0x100
+               0x8030000 0x2000>;
+        rx-fifo-depth = <2>;
+        tx-fifo-depth = <2>;
+        interrupts = <0x11 0x1>;
+    };
+...
+
+#  vim: set ts=2 sw=2 sts=2 tw=80 et cc=80 ft=yaml :
-- 
2.32.0

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