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Message-ID: <20191105181826.25114-1-dmurphy@ti.com>
Date: Tue, 5 Nov 2019 12:18:25 -0600
From: Dan Murphy <dmurphy@...com>
To: <andrew@...n.ch>, <f.fainelli@...il.com>, <hkallweit1@...il.com>,
<davem@...emloft.net>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
Dan Murphy <dmurphy@...com>, Rob Herring <robh+dt@...nel.org>
Subject: [PATCH 1/2] dt-bindings: net: dp83869: Add TI dp83869 phy
Add dt bindings for the TI dp83869 Gigabit ethernet phy
device.
Signed-off-by: Dan Murphy <dmurphy@...com>
CC: Rob Herring <robh+dt@...nel.org>
---
.../devicetree/bindings/net/ti,dp83869.yaml | 84 +++++++++++++++++++
1 file changed, 84 insertions(+)
create mode 100644 Documentation/devicetree/bindings/net/ti,dp83869.yaml
diff --git a/Documentation/devicetree/bindings/net/ti,dp83869.yaml b/Documentation/devicetree/bindings/net/ti,dp83869.yaml
new file mode 100644
index 000000000000..6fe3e451da8a
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/ti,dp83869.yaml
@@ -0,0 +1,84 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2019 Texas Instruments Incorporated
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/net/ti,dp83869.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: TI DP83869 ethernet PHY
+
+allOf:
+ - $ref: "ethernet-controller.yaml#"
+
+maintainers:
+ - Dan Murphy <dmurphy@...com>
+
+description: |
+ The DP83869HM device is a robust, fully-featured Gigabit (PHY) transceiver
+ with integrated PMD sublayers that supports 10BASE-Te, 100BASE-TX and
+ 1000BASE-T Ethernet protocols. The DP83869 also supports 1000BASE-X and
+ 100BASE-FX Fiber protocols.
+ This device interfaces to the MAC layer through Reduced GMII (RGMII) and
+ SGMII The DP83869HM supports Media Conversion in Managed mode. In this mode,
+ the DP83869HM can run 1000BASE-X-to-1000BASE-T and 100BASE-FX-to-100BASE-TX
+ conversions. The DP83869HM can also support Bridge Conversion from RGMII to
+ SGMII and SGMII to RGMII.
+
+ Specifications about the charger can be found at:
+ http://www.ti.com/lit/ds/symlink/dp83869hm.pdf
+
+properties:
+ reg:
+ maxItems: 1
+
+ ti,min-output-impedance:
+ type: boolean
+ description: |
+ MAC Interface Impedance control to set the programmable output impedance
+ to a minimum value (35 ohms).
+
+ ti,max-output-impedance:
+ type: boolean
+ description: |
+ MAC Interface Impedance control to set the programmable output impedance
+ to a maximum value (70 ohms).
+
+ tx-fifo-depth:
+ $ref: /schemas/types.yaml#definitions/uint32
+ description: |
+ Transmitt FIFO depth see dt-bindings/net/ti-dp83869.h for values
+
+ rx-fifo-depth:
+ $ref: /schemas/types.yaml#definitions/uint32
+ description: |
+ Receive FIFO depth see dt-bindings/net/ti-dp83869.h for values
+
+ ti,clk-output-sel:
+ $ref: /schemas/types.yaml#definitions/uint32
+ description: |
+ Muxing option for CLK_OUT pin see dt-bindings/net/ti-dp83869.h for values.
+
+ ti,op-mode:
+ $ref: /schemas/types.yaml#definitions/uint32
+ description: |
+ Operational mode for the PHY. If this is not set then the operational
+ mode is set by the straps. see dt-bindings/net/ti-dp83869.h for values
+
+required:
+ - reg
+
+examples:
+ - |
+ #include <dt-bindings/net/ti-dp83869.h>
+ mdio0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ ethphy0: ethernet-phy@0 {
+ reg = <0>;
+ tx-fifo-depth = <DP83869_PHYCR_FIFO_DEPTH_4_B_NIB>;
+ rx-fifo-depth = <DP83869_PHYCR_FIFO_DEPTH_4_B_NIB>;
+ ti,op-mode = <DP83869_RGMII_COPPER_ETHERNET>;
+ ti,max-output-impedance = "true";
+ ti,clk-output-sel = <DP83869_CLK_O_SEL_CHN_A_RCLK>;
+ };
+ };
--
2.22.0.214.g8dca754b1e
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