linux-kernel - [PATCH net-next v7 5/6] dt-bindings: net: dp83822: Add TI dp83822 phy

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Message-ID: <20200617182019.6790-6-dmurphy@ti.com>
Date:   Wed, 17 Jun 2020 13:20:18 -0500
From:   Dan Murphy <dmurphy@...com>
To:     <andrew@...n.ch>, <f.fainelli@...il.com>, <hkallweit1@...il.com>,
        <davem@...emloft.net>, <robh@...nel.org>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, Dan Murphy <dmurphy@...com>
Subject: [PATCH net-next v7 5/6] dt-bindings: net: dp83822: Add TI dp83822 phy

Add a dt binding for the TI dp83822 ethernet phy device.

Signed-off-by: Dan Murphy <dmurphy@...com>
---
 .../devicetree/bindings/net/ti,dp83822.yaml   | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/ti,dp83822.yaml

diff --git a/Documentation/devicetree/bindings/net/ti,dp83822.yaml b/Documentation/devicetree/bindings/net/ti,dp83822.yaml
new file mode 100644
index 000000000000..09e0e5fd88e3
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/ti,dp83822.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
+# Copyright (C) 2020 Texas Instruments Incorporated
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/net/ti,dp83822.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: TI DP83822 ethernet PHY
+
+allOf:
+  - $ref: "ethernet-phy.yaml#"
+
+maintainers:
+  - Dan Murphy <dmurphy@...com>
+
+description: |
+  The DP83822 is a low-power, single-port, 10/100 Mbps Ethernet PHY. It
+  provides all of the physical layer functions needed to transmit and receive
+  data over standard, twisted-pair cables or to connect to an external,
+  fiber-optic transceiver. Additionally, the DP83822 provides flexibility to
+  connect to a MAC through a standard MII, RMII, or RGMII interface
+
+  Specifications about the charger can be found at:
+    http://www.ti.com/lit/ds/symlink/dp83822i.pdf
+
+properties:
+  reg:
+    maxItems: 1
+
+  rx-internal-delay-ps:
+    description: Enables the RX fixed internal delay of 3.5ns.
+    default: 3500
+
+  tx-internal-delay-ps:
+    description: Enables the TX fixed internal delay of 3.5ns.
+    default: 3500
+
+required:
+  - reg
+
+examples:
+  - |
+    mdio0 {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      ethphy0: ethernet-phy@0 {
+        reg = <0>;
+        rx-internal-delay-ps = <3500>;
+        tx-internal-delay-ps = <3500>;
+      };
+    };
-- 
2.26.2