15ffc259dSYuti Amonkar# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 25ffc259dSYuti Amonkar%YAML 1.2 35ffc259dSYuti Amonkar--- 45ffc259dSYuti Amonkar$id: "http://devicetree.org/schemas/phy/phy-cadence-torrent.yaml#" 55ffc259dSYuti Amonkar$schema: "http://devicetree.org/meta-schemas/core.yaml#" 65ffc259dSYuti Amonkar 75ffc259dSYuti Amonkartitle: Cadence Torrent SD0801 PHY binding for DisplayPort 85ffc259dSYuti Amonkar 95ffc259dSYuti Amonkardescription: 105ffc259dSYuti Amonkar This binding describes the Cadence SD0801 PHY (also known as Torrent PHY) 115ffc259dSYuti Amonkar hardware included with the Cadence MHDP DisplayPort controller. 125ffc259dSYuti Amonkar 135ffc259dSYuti Amonkarmaintainers: 145ffc259dSYuti Amonkar - Swapnil Jakhade <sjakhade@cadence.com> 155ffc259dSYuti Amonkar - Yuti Amonkar <yamonkar@cadence.com> 165ffc259dSYuti Amonkar 175ffc259dSYuti Amonkarproperties: 185ffc259dSYuti Amonkar compatible: 195ffc259dSYuti Amonkar enum: 205ffc259dSYuti Amonkar - cdns,torrent-phy 215ffc259dSYuti Amonkar - ti,j721e-serdes-10g 225ffc259dSYuti Amonkar 235ffc259dSYuti Amonkar '#address-cells': 245ffc259dSYuti Amonkar const: 1 255ffc259dSYuti Amonkar 265ffc259dSYuti Amonkar '#size-cells': 275ffc259dSYuti Amonkar const: 0 285ffc259dSYuti Amonkar 295ffc259dSYuti Amonkar clocks: 305ffc259dSYuti Amonkar maxItems: 1 315ffc259dSYuti Amonkar description: 325ffc259dSYuti Amonkar PHY reference clock. Must contain an entry in clock-names. 335ffc259dSYuti Amonkar 345ffc259dSYuti Amonkar clock-names: 355ffc259dSYuti Amonkar const: refclk 365ffc259dSYuti Amonkar 375ffc259dSYuti Amonkar reg: 385ffc259dSYuti Amonkar minItems: 1 395ffc259dSYuti Amonkar maxItems: 2 405ffc259dSYuti Amonkar items: 415ffc259dSYuti Amonkar - description: Offset of the Torrent PHY configuration registers. 425ffc259dSYuti Amonkar - description: Offset of the DPTX PHY configuration registers. 435ffc259dSYuti Amonkar 445ffc259dSYuti Amonkar reg-names: 455ffc259dSYuti Amonkar minItems: 1 465ffc259dSYuti Amonkar maxItems: 2 475ffc259dSYuti Amonkar items: 485ffc259dSYuti Amonkar - const: torrent_phy 495ffc259dSYuti Amonkar - const: dptx_phy 505ffc259dSYuti Amonkar 515ffc259dSYuti Amonkar resets: 525ffc259dSYuti Amonkar maxItems: 1 535ffc259dSYuti Amonkar description: 545ffc259dSYuti Amonkar Torrent PHY reset. 555ffc259dSYuti Amonkar See Documentation/devicetree/bindings/reset/reset.txt 565ffc259dSYuti Amonkar 575ffc259dSYuti AmonkarpatternProperties: 585ffc259dSYuti Amonkar '^phy@[0-7]+$': 595ffc259dSYuti Amonkar type: object 605ffc259dSYuti Amonkar description: 615ffc259dSYuti Amonkar Each group of PHY lanes with a single master lane should be represented as a sub-node. 625ffc259dSYuti Amonkar properties: 635ffc259dSYuti Amonkar reg: 645ffc259dSYuti Amonkar description: 655ffc259dSYuti Amonkar The master lane number. This is the lowest numbered lane in the lane group. 665ffc259dSYuti Amonkar 675ffc259dSYuti Amonkar resets: 685ffc259dSYuti Amonkar minItems: 1 695ffc259dSYuti Amonkar maxItems: 4 705ffc259dSYuti Amonkar description: 715ffc259dSYuti Amonkar Contains list of resets, one per lane, to get all the link lanes out of reset. 725ffc259dSYuti Amonkar 735ffc259dSYuti Amonkar "#phy-cells": 745ffc259dSYuti Amonkar const: 0 755ffc259dSYuti Amonkar 765ffc259dSYuti Amonkar cdns,phy-type: 775ffc259dSYuti Amonkar description: 785ffc259dSYuti Amonkar Specifies the type of PHY for which the group of PHY lanes is used. 795ffc259dSYuti Amonkar Refer include/dt-bindings/phy/phy.h. Constants from the header should be used. 803d21a460SRob Herring $ref: /schemas/types.yaml#/definitions/uint32 813d21a460SRob Herring enum: [1, 2, 3, 4, 5, 6] 825ffc259dSYuti Amonkar 835ffc259dSYuti Amonkar cdns,num-lanes: 845ffc259dSYuti Amonkar description: 855ffc259dSYuti Amonkar Number of DisplayPort lanes. 863d21a460SRob Herring $ref: /schemas/types.yaml#/definitions/uint32 873d21a460SRob Herring enum: [1, 2, 4] 885ffc259dSYuti Amonkar default: 4 895ffc259dSYuti Amonkar 905ffc259dSYuti Amonkar cdns,max-bit-rate: 915ffc259dSYuti Amonkar description: 925ffc259dSYuti Amonkar Maximum DisplayPort link bit rate to use, in Mbps 933d21a460SRob Herring $ref: /schemas/types.yaml#/definitions/uint32 943d21a460SRob Herring enum: [2160, 2430, 2700, 3240, 4320, 5400, 8100] 955ffc259dSYuti Amonkar default: 8100 965ffc259dSYuti Amonkar 975ffc259dSYuti Amonkar required: 985ffc259dSYuti Amonkar - reg 995ffc259dSYuti Amonkar - resets 1005ffc259dSYuti Amonkar - "#phy-cells" 1015ffc259dSYuti Amonkar - cdns,phy-type 1025ffc259dSYuti Amonkar 1035ffc259dSYuti Amonkar additionalProperties: false 1045ffc259dSYuti Amonkar 1055ffc259dSYuti Amonkarrequired: 1065ffc259dSYuti Amonkar - compatible 1075ffc259dSYuti Amonkar - "#address-cells" 1085ffc259dSYuti Amonkar - "#size-cells" 1095ffc259dSYuti Amonkar - clocks 1105ffc259dSYuti Amonkar - clock-names 1115ffc259dSYuti Amonkar - reg 1125ffc259dSYuti Amonkar - reg-names 1135ffc259dSYuti Amonkar - resets 1145ffc259dSYuti Amonkar 1155ffc259dSYuti AmonkaradditionalProperties: false 1165ffc259dSYuti Amonkar 1175ffc259dSYuti Amonkarexamples: 1185ffc259dSYuti Amonkar - | 1195ffc259dSYuti Amonkar #include <dt-bindings/phy/phy.h> 120*fba56184SRob Herring 121*fba56184SRob Herring bus { 122*fba56184SRob Herring #address-cells = <2>; 123*fba56184SRob Herring #size-cells = <2>; 124*fba56184SRob Herring 125*fba56184SRob Herring torrent-phy@f0fb500000 { 1265ffc259dSYuti Amonkar compatible = "cdns,torrent-phy"; 1275ffc259dSYuti Amonkar reg = <0xf0 0xfb500000 0x0 0x00100000>, 1285ffc259dSYuti Amonkar <0xf0 0xfb030a00 0x0 0x00000040>; 1295ffc259dSYuti Amonkar reg-names = "torrent_phy", "dptx_phy"; 1305ffc259dSYuti Amonkar resets = <&phyrst 0>; 1315ffc259dSYuti Amonkar clocks = <&ref_clk>; 1325ffc259dSYuti Amonkar clock-names = "refclk"; 1335ffc259dSYuti Amonkar #address-cells = <1>; 1345ffc259dSYuti Amonkar #size-cells = <0>; 135*fba56184SRob Herring phy@0 { 1365ffc259dSYuti Amonkar reg = <0>; 1375ffc259dSYuti Amonkar resets = <&phyrst 1>, <&phyrst 2>, 1385ffc259dSYuti Amonkar <&phyrst 3>, <&phyrst 4>; 1395ffc259dSYuti Amonkar #phy-cells = <0>; 1405ffc259dSYuti Amonkar cdns,phy-type = <PHY_TYPE_DP>; 1415ffc259dSYuti Amonkar cdns,num-lanes = <4>; 1425ffc259dSYuti Amonkar cdns,max-bit-rate = <8100>; 1435ffc259dSYuti Amonkar }; 1445ffc259dSYuti Amonkar }; 145*fba56184SRob Herring }; 1465ffc259dSYuti Amonkar... 147