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Diffstat (limited to 'Documentation/devicetree/bindings/phy/apm-xgene-phy.txt')
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diff --git a/Documentation/devicetree/bindings/phy/apm-xgene-phy.txt b/Documentation/devicetree/bindings/phy/apm-xgene-phy.txt deleted file mode 100644 index e1bb12711fbf..000000000000 --- a/Documentation/devicetree/bindings/phy/apm-xgene-phy.txt +++ /dev/null @@ -1,76 +0,0 @@ -* APM X-Gene 15Gbps Multi-purpose PHY nodes - -PHY nodes are defined to describe on-chip 15Gbps Multi-purpose PHY. Each -PHY (pair of lanes) has its own node. - -Required properties: -- compatible : Shall be "apm,xgene-phy". -- reg : PHY memory resource is the SDS PHY access resource. -- #phy-cells : Shall be 1 as it expects one argument for setting - the mode of the PHY. Possible values are 0 (SATA), - 1 (SGMII), 2 (PCIe), 3 (USB), and 4 (XFI). - -Optional properties: -- status : Shall be "ok" if enabled or "disabled" if disabled. - Default is "ok". -- clocks : Reference to the clock entry. -- apm,tx-eye-tuning : Manual control to fine tune the capture of the serial - bit lines from the automatic calibrated position. - Two set of 3-tuple setting for each (up to 3) - supported link speed on the host. Range from 0 to - 127 in unit of one bit period. Default is 10. -- apm,tx-eye-direction : Eye tuning manual control direction. 0 means sample - data earlier than the nominal sampling point. 1 means - sample data later than the nominal sampling point. - Two set of 3-tuple setting for each (up to 3) - supported link speed on the host. Default is 0. -- apm,tx-boost-gain : Frequency boost AC (LSB 3-bit) and DC (2-bit) - gain control. Two set of 3-tuple setting for each - (up to 3) supported link speed on the host. Range is - between 0 to 31 in unit of dB. Default is 3. -- apm,tx-amplitude : Amplitude control. Two set of 3-tuple setting for - each (up to 3) supported link speed on the host. - Range is between 0 to 199500 in unit of uV. - Default is 199500 uV. -- apm,tx-pre-cursor1 : 1st pre-cursor emphasis taps control. Two set of - 3-tuple setting for each (up to 3) supported link - speed on the host. Range is 0 to 273000 in unit of - uV. Default is 0. -- apm,tx-pre-cursor2 : 2st pre-cursor emphasis taps control. Two set of - 3-tuple setting for each (up to 3) supported link - speed on the host. Range is 0 to 127400 in unit uV. - Default is 0x0. -- apm,tx-post-cursor : Post-cursor emphasis taps control. Two set of - 3-tuple setting for Gen1, Gen2, and Gen3. Range is - between 0 to 0x1f in unit of 18.2mV. Default is 0xf. -- apm,tx-speed : Tx operating speed. One set of 3-tuple for each - supported link speed on the host. - 0 = 1-2Gbps - 1 = 2-4Gbps (1st tuple default) - 2 = 4-8Gbps - 3 = 8-15Gbps (2nd tuple default) - 4 = 2.5-4Gbps - 5 = 4-5Gbps - 6 = 5-6Gbps - 7 = 6-16Gbps (3rd tuple default) - -NOTE: PHY override parameters are board specific setting. - -Example: - phy1: phy@1f21a000 { - compatible = "apm,xgene-phy"; - reg = <0x0 0x1f21a000 0x0 0x100>; - #phy-cells = <1>; - }; - - phy2: phy@1f22a000 { - compatible = "apm,xgene-phy"; - reg = <0x0 0x1f22a000 0x0 0x100>; - #phy-cells = <1>; - }; - - phy3: phy@1f23a000 { - compatible = "apm,xgene-phy"; - reg = <0x0 0x1f23a000 0x0 0x100>; - #phy-cells = <1>; - }; |
