netdev - [PATCH 1/3] dt-bindings: add binding for RTL8211E Ethernet PHY

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Date:   Tue,  1 Oct 2019 16:29:10 +0800
From:   Icenowy Zheng <icenowy@...c.io>
To:     "David S . Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...glegroups.com, Icenowy Zheng <icenowy@...c.xyz>
Subject: [PATCH 1/3] dt-bindings: add binding for RTL8211E Ethernet PHY

From: Icenowy Zheng <icenowy@...c.xyz>

Some RTL8211E Ethernet PHY have an issue that needs a workaround, and a
way to indicate the need of the workaround should be added.

Add the binding for a DT property that indicates this workaround.

Signed-off-by: Icenowy Zheng <icenowy@...c.xyz>
---
 .../bindings/net/realtek,rtl8211e.yaml        | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/realtek,rtl8211e.yaml

diff --git a/Documentation/devicetree/bindings/net/realtek,rtl8211e.yaml b/Documentation/devicetree/bindings/net/realtek,rtl8211e.yaml
new file mode 100644
index 000000000000..264e93cafbec
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/realtek,rtl8211e.yaml
@@ -0,0 +1,23 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/realtek,rtl8211e.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Realtek RTL8211E Ethernet PHY
+
+properties:
+  realtek,config-magic-for-pine64:
+    description:
+      Enabling specific hacks for some broken RTL8211E chips known to be
+      used by Pine64+ boards.
+
+examples:
+  - |
+    &mdio {
+        ext_phy: ethernet-phy@0 {
+            compatible = "ethernet-phy-ieee802.3-c22";
+            reg = <0>;
+            realtek,config-magic-for-pine64;
+        };
+    };
-- 
2.21.0