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Message-ID: <20200514155905.26845-1-dmurphy@ti.com>
Date: Thu, 14 May 2020 10:59:05 -0500
From: Dan Murphy <dmurphy@...com>
To: <andrew@...n.ch>, <f.fainelli@...il.com>, <hkallweit1@...il.com>,
<davem@...emloft.net>
CC: <robh@...nel.org>, <netdev@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
Dan Murphy <dmurphy@...com>
Subject: [PATCH net-next] dt-bindings: dp83867: Convert DP83867 to yaml
Convert the dp83867 binding to yaml.
Signed-off-by: Dan Murphy <dmurphy@...com>
---
.../devicetree/bindings/net/ti,dp83867.txt | 68 ----------
.../devicetree/bindings/net/ti,dp83867.yaml | 127 ++++++++++++++++++
2 files changed, 127 insertions(+), 68 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/net/ti,dp83867.txt
create mode 100644 Documentation/devicetree/bindings/net/ti,dp83867.yaml
diff --git a/Documentation/devicetree/bindings/net/ti,dp83867.txt b/Documentation/devicetree/bindings/net/ti,dp83867.txt
deleted file mode 100644
index 44e2a4fab29e..000000000000
--- a/Documentation/devicetree/bindings/net/ti,dp83867.txt
+++ /dev/null
@@ -1,68 +0,0 @@
-* Texas Instruments - dp83867 Giga bit ethernet phy
-
-Required properties:
- - reg - The ID number for the phy, usually a small integer
- - ti,rx-internal-delay - RGMII Receive Clock Delay - see dt-bindings/net/ti-dp83867.h
- for applicable values. Required only if interface type is
- PHY_INTERFACE_MODE_RGMII_ID or PHY_INTERFACE_MODE_RGMII_RXID
- - ti,tx-internal-delay - RGMII Transmit Clock Delay - see dt-bindings/net/ti-dp83867.h
- for applicable values. Required only if interface type is
- PHY_INTERFACE_MODE_RGMII_ID or PHY_INTERFACE_MODE_RGMII_TXID
-
-Note: If the interface type is PHY_INTERFACE_MODE_RGMII the TX/RX clock delays
- will be left at their default values, as set by the PHY's pin strapping.
- The default strapping will use a delay of 2.00 ns. Thus
- PHY_INTERFACE_MODE_RGMII, by default, does not behave as RGMII with no
- internal delay, but as PHY_INTERFACE_MODE_RGMII_ID. The device tree
- should use "rgmii-id" if internal delays are desired as this may be
- changed in future to cause "rgmii" mode to disable delays.
-
-Optional property:
- - ti,min-output-impedance - MAC Interface Impedance control to set
- the programmable output impedance to
- minimum value (35 ohms).
- - ti,max-output-impedance - MAC Interface Impedance control to set
- the programmable output impedance to
- maximum value (70 ohms).
- - ti,dp83867-rxctrl-strap-quirk - This denotes the fact that the
- board has RX_DV/RX_CTRL pin strapped in
- mode 1 or 2. To ensure PHY operation,
- there are specific actions that
- software needs to take when this pin is
- strapped in these modes. See data manual
- for details.
- - ti,clk-output-sel - Muxing option for CLK_OUT pin. See dt-bindings/net/ti-dp83867.h
- for applicable values. The CLK_OUT pin can also
- be disabled by this property. When omitted, the
- PHY's default will be left as is.
- - ti,sgmii-ref-clock-output-enable - This denotes which
- SGMII configuration is used (4 or 6-wire modes).
- Some MACs work with differential SGMII clock.
- See data manual for details.
-
- - ti,fifo-depth - Transmitt FIFO depth- see dt-bindings/net/ti-dp83867.h
- for applicable values (deprecated)
-
- -tx-fifo-depth - As defined in the ethernet-controller.yaml. Values for
- the depth can be found in dt-bindings/net/ti-dp83867.h
- -rx-fifo-depth - As defined in the ethernet-controller.yaml. Values for
- the depth can be found in dt-bindings/net/ti-dp83867.h
-
-Note: ti,min-output-impedance and ti,max-output-impedance are mutually
- exclusive. When both properties are present ti,max-output-impedance
- takes precedence.
-
-Default child nodes are standard Ethernet PHY device
-nodes as described in Documentation/devicetree/bindings/net/phy.txt
-
-Example:
-
- ethernet-phy@0 {
- reg = <0>;
- ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_25_NS>;
- ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_75_NS>;
- tx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
- };
-
-Datasheet can be found:
-http://www.ti.com/product/DP83867IR/datasheet
diff --git a/Documentation/devicetree/bindings/net/ti,dp83867.yaml b/Documentation/devicetree/bindings/net/ti,dp83867.yaml
new file mode 100644
index 000000000000..554dcd7a40a9
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/ti,dp83867.yaml
@@ -0,0 +1,127 @@
+# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
+# Copyright (C) 2019 Texas Instruments Incorporated
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/net/ti,dp83867.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: TI DP83867 ethernet PHY
+
+allOf:
+ - $ref: "ethernet-controller.yaml#"
+
+maintainers:
+ - Dan Murphy <dmurphy@...com>
+
+description: |
+ The DP83867 device is a robust, low power, fully featured Physical Layer
+ transceiver with integrated PMD sublayers to support 10BASE-Te, 100BASE-TX
+ and 1000BASE-T Ethernet protocols.
+
+ The DP83867 is designed for easy implementation of 10/100/1000 Mbps Ethernet
+ LANs. It interfaces directly to twisted pair media via an external
+ transformer. This device interfaces directly to the MAC layer through the
+ IEEE 802.3 Standard Media Independent Interface (MII), the IEEE 802.3 Gigabit
+ Media Independent Interface (GMII) or Reduced GMII (RGMII).
+
+ Specifications about the charger can be found at:
+ https://www.ti.com/lit/gpn/dp83867ir
+
+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).
+ Note: ti,min-output-impedance and ti,max-output-impedance are mutually
+ exclusive. When both properties are present ti,max-output-impedance
+ takes precedence.
+
+ tx-fifo-depth:
+ $ref: /schemas/types.yaml#definitions/uint32
+ description: |
+ Transmitt FIFO depth see dt-bindings/net/ti-dp83867.h for values
+
+ rx-fifo-depth:
+ $ref: /schemas/types.yaml#definitions/uint32
+ description: |
+ Receive FIFO depth see dt-bindings/net/ti-dp83867.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-dp83867.h
+ for applicable values. The CLK_OUT pin can also be disabled by this
+ property. When omitted, the PHY's default will be left as is.
+
+ ti,rx-internal-delay:
+ $ref: /schemas/types.yaml#definitions/uint32
+ description: |
+ RGMII Receive Clock Delay - see dt-bindings/net/ti-dp83867.h
+ for applicable values. Required only if interface type is
+ PHY_INTERFACE_MODE_RGMII_ID or PHY_INTERFACE_MODE_RGMII_RXID.
+
+ ti,tx-internal-delay:
+ $ref: /schemas/types.yaml#definitions/uint32
+ description: |
+ RGMII Transmit Clock Delay - see dt-bindings/net/ti-dp83867.h
+ for applicable values. Required only if interface type is
+ PHY_INTERFACE_MODE_RGMII_ID or PHY_INTERFACE_MODE_RGMII_TXID.
+
+ Note: If the interface type is PHY_INTERFACE_MODE_RGMII the TX/RX clock
+ delays will be left at their default values, as set by the PHY's pin
+ strapping. The default strapping will use a delay of 2.00 ns. Thus
+ PHY_INTERFACE_MODE_RGMII, by default, does not behave as RGMII with no
+ internal delay, but as PHY_INTERFACE_MODE_RGMII_ID. The device tree
+ should use "rgmii-id" if internal delays are desired as this may be
+ changed in future to cause "rgmii" mode to disable delays.
+
+ ti,dp83867-rxctrl-strap-quirk:
+ type: boolean
+ description: |
+ This denotes the fact that the board has RX_DV/RX_CTRL pin strapped in
+ mode 1 or 2. To ensure PHY operation, there are specific actions that
+ software needs to take when this pin is strapped in these modes.
+ See data manual for details.
+
+ ti,sgmii-ref-clock-output-enable:
+ type: boolean
+ description: |
+ This denotes which SGMII configuration is used (4 or 6-wire modes).
+ Some MACs work with differential SGMII clock. See data manual for details.
+
+ ti,fifo-depth:
+ deprecated: true
+ $ref: /schemas/types.yaml#definitions/uint32
+ description: |
+ Transmitt FIFO depth- see dt-bindings/net/ti-dp83867.h for applicable
+ values.
+
+required:
+ - reg
+
+examples:
+ - |
+ #include <dt-bindings/net/ti-dp83867.h>
+ mdio0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ ethphy0: ethernet-phy@0 {
+ reg = <0>;
+ tx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+ rx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+ ti,max-output-impedance;
+ ti,clk-output-sel = <DP83867_CLK_O_SEL_CHN_A_RCLK>;
+ ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_25_NS>;
+ ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_75_NS>;
+ };
+ };
--
2.26.2
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