[PATCH net-next v2 2/3] dt-bindings: dp83td510: Add binding for DP83TD510 Ethernet PHY

Dan Murphy
2020-10-20T17:12:46Z

The DP83TD510 is a 10M single twisted pair Ethernet PHY

Signed-off-by: Dan Murphy <dmurphy@ti.com>
---
.../devicetree/bindings/net/ti,dp83td510.yaml | 72 +++++++++++++++++++
1 file changed, 72 insertions(+)
create mode 100644 Documentation/devicetree/bindings/net/ti,dp83td510.yaml

diff --git a/Documentation/devicetree/bindings/net/ti,dp83td510.yaml b/Documentation/devicetree/bindings/net/ti,dp83td510.yaml
new file mode 100644
index 000000000000..171aed0f2503
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/ti,dp83td510.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2020 Texas Instruments Incorporated
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/net/ti,dp83td510.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: TI DP83TD510 ethernet PHY
+
+allOf:
+ - $ref: "ethernet-controller.yaml#"
+ - $ref: "ethernet-phy.yaml#"
+
+maintainers:
+ - Dan Murphy <dmurphy@ti.com>
+
+description: |
+ The PHY is an twisted pair 10Mbps Ethernet PHY that support MII, RMII and
+ RGMII interfaces.
+
+ Specifications about the Ethernet PHY can be found at:
+ http://www.ti.com/lit/ds/symlink/dp83td510e.pdf
+
+properties:
+ reg:
+ maxItems: 1
+
+ tx-fifo-depth:
+ description: |
+ Transmitt FIFO depth for RMII mode. The PHY only exposes 4 nibble
+ depths. The valid nibble depths are 4, 5, 6 and 8.
+ default: 5
+
+ rx-internal-delay-ps:
+ description: |
+ Setting this property to a non-zero number sets the RX internal delay
+ for the PHY. The internal delay for the PHY is fixed to 30ns relative
+ to receive data.
+
+ tx-internal-delay-ps:
+ description: |
+ Setting this property to a non-zero number sets the TX internal delay
+ for the PHY. The internal delay for the PHY has a range of -4 to 4ns
+ relative to transmit data.
+
+ ti,master-slave-mode:
+ $ref: /schemas/types.yaml#definitions/uint32
+ default: 0
+ description: |
+ Force the PHY to be configured to a specific mode.
+ Force Auto Negotiation - 0
+ Force Master mode at 1v p2p - 1
+ Force Master mode at 2.4v p2p - 2
+ Force Slave mode at 1v p2p - 3
+ Force Slave mode at 2.4v p2p - 4
+ enum: [ 0, 1, 2, 3, 4 ]
+
+required:
+ - reg
+
+examples:
+ - |
+ mdio0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ ethphy0: ethernet-phy@0 {
+ reg = <0>;
+ tx-fifo-depth = <5>;
+ rx-internal-delay-ps = <1>;
+ tx-internal-delay-ps = <1>;
+ };
+ };
--
2.28.0.585.ge1cfff676549