€•TNŒsphinx.addnodes”Œdocument”“”)”}”(Œ rawsource”Œ”Œchildren”]”(Œ translations”Œ LanguagesNode”“”)”}”(hhh]”(hŒ pending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ refdomain”Œstd”Œreftype”Œdoc”Œ reftarget”Œ//translations/zh_CN/firmware-guide/acpi/dsd/phy”Œmodname”NŒ classname”NŒ refexplicit”ˆuŒtagname”hhh ubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ//translations/zh_TW/firmware-guide/acpi/dsd/phy”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ//translations/it_IT/firmware-guide/acpi/dsd/phy”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ//translations/ja_JP/firmware-guide/acpi/dsd/phy”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ//translations/ko_KR/firmware-guide/acpi/dsd/phy”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒSpanish”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ//translations/sp_SP/firmware-guide/acpi/dsd/phy”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h hhŒ _document”hŒsource”NŒline”NubhŒcomment”“”)”}”(hŒ SPDX-License-Identifier: GPL-2.0”h]”hŒ SPDX-License-Identifier: GPL-2.0”…””}”hh£sbah}”(h]”h ]”h"]”h$]”h&]”Œ xml:space”Œpreserve”uh1h¡hhhžhhŸŒI/var/lib/git/docbuild/linux/Documentation/firmware-guide/acpi/dsd/phy.rst”h KubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒMDIO bus and PHYs in ACPI”h]”hŒMDIO bus and PHYs in ACPI”…””}”(hh»hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hh¶hžhhŸh³h KubhŒ paragraph”“”)”}”(hŒ\The PHYs on an MDIO bus [phy] are probed and registered using fwnode_mdiobus_register_phy().”h]”hŒ\The PHYs on an MDIO bus [phy] are probed and registered using fwnode_mdiobus_register_phy().”…””}”(hhËhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h Khh¶hžhubhÊ)”}”(hŒuLater, for connecting these PHYs to their respective MACs, the PHYs registered on the MDIO bus have to be referenced.”h]”hŒuLater, for connecting these PHYs to their respective MACs, the PHYs registered on the MDIO bus have to be referenced.”…””}”(hhÙhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K hh¶hžhubhÊ)”}”(hŒThis document introduces two _DSD properties that are to be used for connecting PHYs on the MDIO bus [dsd-properties-rules] to the MAC layer.”h]”hŒThis document introduces two _DSD properties that are to be used for connecting PHYs on the MDIO bus [dsd-properties-rules] to the MAC layer.”…””}”(hhçhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K hh¶hžhubhÊ)”}”(hŒÙThese properties are defined in accordance with the "Device Properties UUID For _DSD" [dsd-guide] document and the daffd814-6eba-4d8c-8a91-bc9bbf4aa301 UUID must be used in the Device Data Descriptors containing them.”h]”hŒÝThese properties are defined in accordance with the “Device Properties UUID For _DSD†[dsd-guide] document and the daffd814-6eba-4d8c-8a91-bc9bbf4aa301 UUID must be used in the Device Data Descriptors containing them.”…””}”(hhõhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h Khh¶hžhubhµ)”}”(hhh]”(hº)”}”(hŒ phy-handle”h]”hŒ phy-handle”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hjhžhhŸh³h KubhÊ)”}”(hŒÈFor each MAC node, a device property "phy-handle" is used to reference the PHY that is registered on an MDIO bus. This is mandatory for network interfaces that have PHYs connected to MAC via MDIO bus.”h]”hŒÌFor each MAC node, a device property “phy-handle†is used to reference the PHY that is registered on an MDIO bus. This is mandatory for network interfaces that have PHYs connected to MAC via MDIO bus.”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h KhjhžhubhÊ)”}”(hŒDuring the MDIO bus driver initialization, PHYs on this bus are probed using the _ADR object as shown below and are registered on the MDIO bus.”h]”hŒDuring the MDIO bus driver initialization, PHYs on this bus are probed using the _ADR object as shown below and are registered on the MDIO bus.”…””}”(hj"hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h KhjhžhubhŒ literal_block”“”)”}”(hŒ‡Scope(\_SB.MDI0) { Device(PHY1) { Name (_ADR, 0x1) } // end of PHY1 Device(PHY2) { Name (_ADR, 0x2) } // end of PHY2 }”h]”hŒ‡Scope(\_SB.MDI0) { Device(PHY1) { Name (_ADR, 0x1) } // end of PHY1 Device(PHY2) { Name (_ADR, 0x2) } // end of PHY2 }”…””}”hj2sbah}”(h]”h ]”h"]”h$]”h&]”h±h²Œforce”‰Œlanguage”Œnone”Œhighlight_args”}”uh1j0hŸh³h KhjhžhubhÊ)”}”(hXLater, during the MAC driver initialization, the registered PHY devices have to be retrieved from the MDIO bus. For this, the MAC driver needs references to the previously registered PHYs which are provided as device object references (e.g. \_SB.MDI0.PHY1).”h]”hXLater, during the MAC driver initialization, the registered PHY devices have to be retrieved from the MDIO bus. For this, the MAC driver needs references to the previously registered PHYs which are provided as device object references (e.g. _SB.MDI0.PHY1).”…””}”(hjEhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K+hjhžhubeh}”(h]”Œ phy-handle”ah ]”h"]”Œ phy-handle”ah$]”h&]”uh1h´hh¶hžhhŸh³h Kubhµ)”}”(hhh]”(hº)”}”(hŒphy-mode”h]”hŒphy-mode”…””}”(hj^hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hj[hžhhŸh³h K1ubhÊ)”}”(hŒ‘The "phy-mode" _DSD property is used to describe the connection to the PHY. The valid values for "phy-mode" are defined in [ethernet-controller].”h]”hŒ™The “phy-mode†_DSD property is used to describe the connection to the PHY. The valid values for “phy-mode†are defined in [ethernet-controller].”…””}”(hjlhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K2hj[hžhubeh}”(h]”Œphy-mode”ah ]”h"]”Œphy-mode”ah$]”h&]”uh1h´hh¶hžhhŸh³h K1ubhµ)”}”(hhh]”(hº)”}”(hŒmanaged”h]”hŒmanaged”…””}”(hj…hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hj‚hžhhŸh³h K6ubhÊ)”}”(hŒ€Optional property, which specifies the PHY management type. The valid values for "managed" are defined in [ethernet-controller].”h]”hŒ„Optional property, which specifies the PHY management type. The valid values for “managed†are defined in [ethernet-controller].”…””}”(hj“hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K7hj‚hžhubeh}”(h]”Œmanaged”ah ]”h"]”Œmanaged”ah$]”h&]”uh1h´hh¶hžhhŸh³h K6ubhµ)”}”(hhh]”(hº)”}”(hŒ fixed-link”h]”hŒ fixed-link”…””}”(hj¬hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hj©hžhhŸh³h K;ubhÊ)”}”(hXªThe "fixed-link" is described by a data-only subnode of the MAC port, which is linked in the _DSD package via hierarchical data extension (UUID dbb8e3e6-5886-4ba6-8795-1319f52a966b in accordance with [dsd-guide] "_DSD Implementation Guide" document). The subnode should comprise a required property ("speed") and possibly the optional ones - complete list of parameters and their values are specified in [ethernet-controller].”h]”hX¶The “fixed-link†is described by a data-only subnode of the MAC port, which is linked in the _DSD package via hierarchical data extension (UUID dbb8e3e6-5886-4ba6-8795-1319f52a966b in accordance with [dsd-guide] “_DSD Implementation Guide†document). The subnode should comprise a required property (“speedâ€) and possibly the optional ones - complete list of parameters and their values are specified in [ethernet-controller].”…””}”(hjºhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h KDocumentation/devicetree/bindings/net/ethernet-controller.yaml”h]”hŒ>Documentation/devicetree/bindings/net/ethernet-controller.yaml”…””}”(hj0hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h KÅhj-ubah}”(h]”h ]”h"]”h$]”h&]”uh1jühjubeh}”(h]”h ]”h"]”h$]”h&]”uh1jæhŸh³h KÅhjãhžhubjç)”}”(hŒi[dsd-guide] DSD Guide. https://github.com/UEFI/DSD-Guide/blob/main/dsd-guide.adoc, referenced 2021-11-30.”h]”(jí)”}”(hŒ[dsd-guide] DSD Guide.”h]”hŒ[dsd-guide] DSD Guide.”…””}”(hjNhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jìhŸh³h KÈhjJubjý)”}”(hhh]”hÊ)”}”(hŒRhttps://github.com/UEFI/DSD-Guide/blob/main/dsd-guide.adoc, referenced 2021-11-30.”h]”(hŒ reference”“”)”}”(hŒ:https://github.com/UEFI/DSD-Guide/blob/main/dsd-guide.adoc”h]”hŒ:https://github.com/UEFI/DSD-Guide/blob/main/dsd-guide.adoc”…””}”(hjehžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”jguh1jchj_ubhŒ, referenced 2021-11-30.”…””}”(hj_hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h KÈhj\ubah}”(h]”h ]”h"]”h$]”h&]”uh1jühjJubeh}”(h]”h ]”h"]”h$]”h&]”uh1jæhŸh³h KÈhjãhžhubeh}”(h]”h ]”h"]”h$]”h&]”uh1jáhjÂhžhhŸh³h Nubeh}”(h]”Œ references”ah ]”h"]”Œ references”ah$]”h&]”uh1h´hj¡hžhhŸh³h K½ubeh}”(h]”Œ*mac-node-example-with-a-fixed-link-subnode”ah ]”h"]”Œ-mac node example with a "fixed-link" subnode.”ah$]”h&]”uh1h´hh¶hžhhŸh³h K£ubeh}”(h]”Œmdio-bus-and-phys-in-acpi”ah ]”h"]”Œmdio bus and phys in acpi”ah$]”h&]”uh1h´hhhžhhŸh³h Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”h³uh1hŒcurrent_source”NŒ current_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(h¹NŒ generator”NŒ datestamp”NŒ source_link”NŒ source_url”NŒ toc_backlinks”Œentry”Œfootnote_backlinks”KŒ sectnum_xform”KŒstrip_comments”NŒstrip_elements_with_classes”NŒ strip_classes”NŒ report_level”KŒ halt_level”KŒexit_status_level”KŒdebug”NŒwarning_stream”NŒ traceback”ˆŒinput_encoding”Œ utf-8-sig”Œinput_encoding_error_handler”Œstrict”Œoutput_encoding”Œutf-8”Œoutput_encoding_error_handler”jËŒerror_encoding”Œutf-8”Œerror_encoding_error_handler”Œbackslashreplace”Œ language_code”Œen”Œrecord_dependencies”NŒconfig”NŒ id_prefix”hŒauto_id_prefix”Œid”Œ dump_settings”NŒdump_internals”NŒdump_transforms”NŒdump_pseudo_xml”NŒexpose_internals”NŒstrict_visitor”NŒ_disable_config”NŒ_source”h³Œ _destination”NŒ _config_files”]”Œ7/var/lib/git/docbuild/linux/Documentation/docutils.conf”aŒfile_insertion_enabled”ˆŒ raw_enabled”KŒline_length_limit”M'Œpep_references”NŒ pep_base_url”Œhttps://peps.python.org/”Œpep_file_url_template”Œpep-%04d”Œrfc_references”NŒ rfc_base_url”Œ&https://datatracker.ietf.org/doc/html/”Œ tab_width”KŒtrim_footnote_reference_space”‰Œsyntax_highlight”Œlong”Œ smart_quotes”ˆŒsmartquotes_locales”]”Œcharacter_level_inline_markup”‰Œdoctitle_xform”‰Œ docinfo_xform”KŒsectsubtitle_xform”‰Œ image_loading”Œlink”Œembed_stylesheet”‰Œcloak_email_addresses”ˆŒsection_self_link”‰Œenv”NubŒreporter”NŒindirect_targets”]”Œsubstitution_defs”}”Œsubstitution_names”}”Œrefnames”}”Œrefids”}”Œnameids”}”(j¥j¢jXjUjj|j¦j£jÛjØj>j;jujrjžj›jjšj•j’uŒ nametypes”}”(j¥‰jX‰j‰j¦‰jÛ‰j>‰ju‰jž‰j‰j•‰uh}”(j¢h¶jUjj|j[j£j‚jØj©j;jÞjrjAj›jxjšj¡j’jÂuŒ footnote_refs”}”Œ citation_refs”}”Œ autofootnotes”]”Œautofootnote_refs”]”Œsymbol_footnotes”]”Œsymbol_footnote_refs”]”Œ footnotes”]”Œ citations”]”Œautofootnote_start”KŒsymbol_footnote_start”KŒ id_counter”Œ collections”ŒCounter”“”}”…”R”Œparse_messages”]”Œtransform_messages”]”Œ transformer”NŒ include_log”]”Œ decoration”Nhžhub.