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| -rw-r--r-- | Documentation/devicetree/bindings/net/ti,dp83867.txt | 48 |
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diff --git a/Documentation/devicetree/bindings/net/ti,dp83867.txt b/Documentation/devicetree/bindings/net/ti,dp83867.txt new file mode 100644 index 000000000..9ef9338aa --- /dev/null +++ b/Documentation/devicetree/bindings/net/ti,dp83867.txt @@ -0,0 +1,48 @@ +* 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 + - ti,fifo-depth - Transmitt FIFO depth- see dt-bindings/net/ti-dp83867.h + for applicable values + +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. + +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>; + ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; + }; + +Datasheet can be found: +http://www.ti.com/product/DP83867IR/datasheet |