1bd691ce0SGrzegorz Jaszczyk# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2bd691ce0SGrzegorz Jaszczyk%YAML 1.2 3bd691ce0SGrzegorz Jaszczyk--- 4dcca7a97SKrzysztof Kozlowski$id: http://devicetree.org/schemas/soc/ti/ti,pruss.yaml# 5dcca7a97SKrzysztof Kozlowski$schema: http://devicetree.org/meta-schemas/core.yaml# 6bd691ce0SGrzegorz Jaszczyk 7bd691ce0SGrzegorz Jaszczyktitle: |+ 8bd691ce0SGrzegorz Jaszczyk TI Programmable Real-Time Unit and Industrial Communication Subsystem 9bd691ce0SGrzegorz Jaszczyk 10bd691ce0SGrzegorz Jaszczykmaintainers: 11bd691ce0SGrzegorz Jaszczyk - Suman Anna <s-anna@ti.com> 12bd691ce0SGrzegorz Jaszczyk 13bd691ce0SGrzegorz Jaszczykdescription: |+ 14bd691ce0SGrzegorz Jaszczyk 15bd691ce0SGrzegorz Jaszczyk The Programmable Real-Time Unit and Industrial Communication Subsystem 16bd691ce0SGrzegorz Jaszczyk (PRU-ICSS a.k.a. PRUSS) is present on various TI SoCs such as AM335x, AM437x, 17bd691ce0SGrzegorz Jaszczyk Keystone 66AK2G, OMAP-L138/DA850 etc. A PRUSS consists of dual 32-bit RISC 18bd691ce0SGrzegorz Jaszczyk cores (Programmable Real-Time Units, or PRUs), shared RAM, data and 19bd691ce0SGrzegorz Jaszczyk instruction RAMs, some internal peripheral modules to facilitate industrial 20bd691ce0SGrzegorz Jaszczyk communication, and an interrupt controller. 21bd691ce0SGrzegorz Jaszczyk 22bd691ce0SGrzegorz Jaszczyk The programmable nature of the PRUs provide flexibility to implement custom 23bd691ce0SGrzegorz Jaszczyk peripheral interfaces, fast real-time responses, or specialized data handling. 24bd691ce0SGrzegorz Jaszczyk The common peripheral modules include the following, 25bd691ce0SGrzegorz Jaszczyk - an Ethernet MII_RT module with two MII ports 26bd691ce0SGrzegorz Jaszczyk - an MDIO port to control external Ethernet PHYs 27bd691ce0SGrzegorz Jaszczyk - an Industrial Ethernet Peripheral (IEP) to manage/generate Industrial 28bd691ce0SGrzegorz Jaszczyk Ethernet functions 29bd691ce0SGrzegorz Jaszczyk - an Enhanced Capture Module (eCAP) 30bd691ce0SGrzegorz Jaszczyk - an Industrial Ethernet Timer with 7/9 capture and 16 compare events 31bd691ce0SGrzegorz Jaszczyk - a 16550-compatible UART to support PROFIBUS 32bd691ce0SGrzegorz Jaszczyk - Enhanced GPIO with async capture and serial support 33bd691ce0SGrzegorz Jaszczyk 34bd691ce0SGrzegorz Jaszczyk A PRU-ICSS subsystem can have up to three shared data memories. A PRU core 35bd691ce0SGrzegorz Jaszczyk acts on a primary Data RAM (there are usually 2 Data RAMs) at its address 36bd691ce0SGrzegorz Jaszczyk 0x0, but also has access to a secondary Data RAM (primary to the other PRU 37bd691ce0SGrzegorz Jaszczyk core) at its address 0x2000. A shared Data RAM, if present, can be accessed 38bd691ce0SGrzegorz Jaszczyk by both the PRU cores. The Interrupt Controller (INTC) and a CFG module are 39bd691ce0SGrzegorz Jaszczyk common to both the PRU cores. Each PRU core also has a private instruction 40bd691ce0SGrzegorz Jaszczyk RAM, and specific register spaces for Control and Debug functionalities. 41bd691ce0SGrzegorz Jaszczyk 42bd691ce0SGrzegorz Jaszczyk Various sub-modules within a PRU-ICSS subsystem are represented as individual 43bd691ce0SGrzegorz Jaszczyk nodes and are defined using a parent-child hierarchy depending on their 44bd691ce0SGrzegorz Jaszczyk integration within the IP and the SoC. These nodes are described in the 45bd691ce0SGrzegorz Jaszczyk following sections. 46bd691ce0SGrzegorz Jaszczyk 47bd691ce0SGrzegorz Jaszczyk 48bd691ce0SGrzegorz Jaszczyk PRU-ICSS Node 49bd691ce0SGrzegorz Jaszczyk ============== 50bd691ce0SGrzegorz Jaszczyk Each PRU-ICSS instance is represented as its own node with the individual PRU 51bd691ce0SGrzegorz Jaszczyk processor cores, the memories node, an INTC node and an MDIO node represented 52bd691ce0SGrzegorz Jaszczyk as child nodes within this PRUSS node. This node shall be a child of the 53bd691ce0SGrzegorz Jaszczyk corresponding interconnect bus nodes or target-module nodes. 54bd691ce0SGrzegorz Jaszczyk 55bd691ce0SGrzegorz Jaszczyk See ../../mfd/syscon.yaml for generic SysCon binding details. 56bd691ce0SGrzegorz Jaszczyk 57bd691ce0SGrzegorz Jaszczyk 58bd691ce0SGrzegorz Jaszczykproperties: 59bd691ce0SGrzegorz Jaszczyk $nodename: 60bd691ce0SGrzegorz Jaszczyk pattern: "^(pruss|icssg)@[0-9a-f]+$" 61bd691ce0SGrzegorz Jaszczyk 62bd691ce0SGrzegorz Jaszczyk compatible: 63bd691ce0SGrzegorz Jaszczyk enum: 64bd691ce0SGrzegorz Jaszczyk - ti,am3356-pruss # for AM335x SoC family 65bd691ce0SGrzegorz Jaszczyk - ti,am4376-pruss0 # for AM437x SoC family and PRUSS unit 0 66bd691ce0SGrzegorz Jaszczyk - ti,am4376-pruss1 # for AM437x SoC family and PRUSS unit 1 67bd691ce0SGrzegorz Jaszczyk - ti,am5728-pruss # for AM57xx SoC family 68*b8c8d647SKishon Vijay Abraham I - ti,am642-icssg # for K3 AM64x SoC family 69bd691ce0SGrzegorz Jaszczyk - ti,am654-icssg # for K3 AM65x SoC family 70bd691ce0SGrzegorz Jaszczyk - ti,j721e-icssg # for K3 J721E SoC family 71*b8c8d647SKishon Vijay Abraham I - ti,k2g-pruss # for 66AK2G SoC family 72bd691ce0SGrzegorz Jaszczyk 73bd691ce0SGrzegorz Jaszczyk reg: 74bd691ce0SGrzegorz Jaszczyk maxItems: 1 75bd691ce0SGrzegorz Jaszczyk 76bd691ce0SGrzegorz Jaszczyk "#address-cells": 77bd691ce0SGrzegorz Jaszczyk const: 1 78bd691ce0SGrzegorz Jaszczyk 79bd691ce0SGrzegorz Jaszczyk "#size-cells": 80bd691ce0SGrzegorz Jaszczyk const: 1 81bd691ce0SGrzegorz Jaszczyk 82bd691ce0SGrzegorz Jaszczyk ranges: 83bd691ce0SGrzegorz Jaszczyk maxItems: 1 84bd691ce0SGrzegorz Jaszczyk 85822be879SGrzegorz Jaszczyk dma-ranges: 86822be879SGrzegorz Jaszczyk maxItems: 1 87822be879SGrzegorz Jaszczyk 8862e8ce85SSuman Anna dma-coherent: true 8962e8ce85SSuman Anna 90bd691ce0SGrzegorz Jaszczyk power-domains: 91bd691ce0SGrzegorz Jaszczyk description: | 92bd691ce0SGrzegorz Jaszczyk This property is as per sci-pm-domain.txt. 93bd691ce0SGrzegorz Jaszczyk 94bd691ce0SGrzegorz JaszczykpatternProperties: 95bd691ce0SGrzegorz Jaszczyk 96bd691ce0SGrzegorz Jaszczyk memories@[a-f0-9]+$: 97bd691ce0SGrzegorz Jaszczyk description: | 98bd691ce0SGrzegorz Jaszczyk The various Data RAMs within a single PRU-ICSS unit are represented as a 99bd691ce0SGrzegorz Jaszczyk single node with the name 'memories'. 100bd691ce0SGrzegorz Jaszczyk 101bd691ce0SGrzegorz Jaszczyk type: object 102bd691ce0SGrzegorz Jaszczyk 103bd691ce0SGrzegorz Jaszczyk properties: 104bd691ce0SGrzegorz Jaszczyk reg: 105bd691ce0SGrzegorz Jaszczyk minItems: 2 # On AM437x one of two PRUSS units don't contain Shared RAM. 106bd691ce0SGrzegorz Jaszczyk items: 107bd691ce0SGrzegorz Jaszczyk - description: Address and size of the Data RAM0. 108bd691ce0SGrzegorz Jaszczyk - description: Address and size of the Data RAM1. 109bd691ce0SGrzegorz Jaszczyk - description: | 110bd691ce0SGrzegorz Jaszczyk Address and size of the Shared Data RAM. Note that on AM437x one 111bd691ce0SGrzegorz Jaszczyk of two PRUSS units don't contain Shared RAM, while the second one 112bd691ce0SGrzegorz Jaszczyk has it. 113bd691ce0SGrzegorz Jaszczyk 114bd691ce0SGrzegorz Jaszczyk reg-names: 115bd691ce0SGrzegorz Jaszczyk minItems: 2 116bd691ce0SGrzegorz Jaszczyk items: 117bd691ce0SGrzegorz Jaszczyk - const: dram0 118bd691ce0SGrzegorz Jaszczyk - const: dram1 119bd691ce0SGrzegorz Jaszczyk - const: shrdram2 120bd691ce0SGrzegorz Jaszczyk 121bd691ce0SGrzegorz Jaszczyk required: 122bd691ce0SGrzegorz Jaszczyk - reg 123bd691ce0SGrzegorz Jaszczyk - reg-names 124bd691ce0SGrzegorz Jaszczyk 125bd691ce0SGrzegorz Jaszczyk additionalProperties: false 126bd691ce0SGrzegorz Jaszczyk 127bd691ce0SGrzegorz Jaszczyk cfg@[a-f0-9]+$: 128bd691ce0SGrzegorz Jaszczyk description: | 129bd691ce0SGrzegorz Jaszczyk PRU-ICSS configuration space. CFG sub-module represented as a SysCon. 130bd691ce0SGrzegorz Jaszczyk 131bd691ce0SGrzegorz Jaszczyk type: object 132bd691ce0SGrzegorz Jaszczyk 133bd691ce0SGrzegorz Jaszczyk properties: 134bd691ce0SGrzegorz Jaszczyk compatible: 135bd691ce0SGrzegorz Jaszczyk items: 136bd691ce0SGrzegorz Jaszczyk - const: ti,pruss-cfg 137bd691ce0SGrzegorz Jaszczyk - const: syscon 138bd691ce0SGrzegorz Jaszczyk 13925bafac9SGrzegorz Jaszczyk "#address-cells": 14025bafac9SGrzegorz Jaszczyk const: 1 14125bafac9SGrzegorz Jaszczyk 14225bafac9SGrzegorz Jaszczyk "#size-cells": 14325bafac9SGrzegorz Jaszczyk const: 1 14425bafac9SGrzegorz Jaszczyk 145bd691ce0SGrzegorz Jaszczyk reg: 146bd691ce0SGrzegorz Jaszczyk maxItems: 1 147bd691ce0SGrzegorz Jaszczyk 14825bafac9SGrzegorz Jaszczyk ranges: 14925bafac9SGrzegorz Jaszczyk maxItems: 1 15025bafac9SGrzegorz Jaszczyk 15125bafac9SGrzegorz Jaszczyk clocks: 15225bafac9SGrzegorz Jaszczyk type: object 15325bafac9SGrzegorz Jaszczyk 15425bafac9SGrzegorz Jaszczyk properties: 15525bafac9SGrzegorz Jaszczyk "#address-cells": 15625bafac9SGrzegorz Jaszczyk const: 1 15725bafac9SGrzegorz Jaszczyk 15825bafac9SGrzegorz Jaszczyk "#size-cells": 15925bafac9SGrzegorz Jaszczyk const: 0 16025bafac9SGrzegorz Jaszczyk 16125bafac9SGrzegorz Jaszczyk patternProperties: 16225bafac9SGrzegorz Jaszczyk coreclk-mux@[a-f0-9]+$: 16325bafac9SGrzegorz Jaszczyk description: | 16425bafac9SGrzegorz Jaszczyk This is applicable only for ICSSG (K3 SoCs). The ICSSG modules 16525bafac9SGrzegorz Jaszczyk core clock can be set to one of the 2 sources: ICSSG_CORE_CLK or 16625bafac9SGrzegorz Jaszczyk ICSSG_ICLK. This node models this clock mux and should have the 16725bafac9SGrzegorz Jaszczyk name "coreclk-mux". 16825bafac9SGrzegorz Jaszczyk 16925bafac9SGrzegorz Jaszczyk type: object 17025bafac9SGrzegorz Jaszczyk 17125bafac9SGrzegorz Jaszczyk properties: 17225bafac9SGrzegorz Jaszczyk '#clock-cells': 17325bafac9SGrzegorz Jaszczyk const: 0 17425bafac9SGrzegorz Jaszczyk 17525bafac9SGrzegorz Jaszczyk clocks: 17625bafac9SGrzegorz Jaszczyk items: 17725bafac9SGrzegorz Jaszczyk - description: ICSSG_CORE Clock 17825bafac9SGrzegorz Jaszczyk - description: ICSSG_ICLK Clock 17925bafac9SGrzegorz Jaszczyk 18025bafac9SGrzegorz Jaszczyk assigned-clocks: 18125bafac9SGrzegorz Jaszczyk maxItems: 1 18225bafac9SGrzegorz Jaszczyk 18325bafac9SGrzegorz Jaszczyk assigned-clock-parents: 18425bafac9SGrzegorz Jaszczyk maxItems: 1 18525bafac9SGrzegorz Jaszczyk description: | 18625bafac9SGrzegorz Jaszczyk Standard assigned-clocks-parents definition used for selecting 18725bafac9SGrzegorz Jaszczyk mux parent (one of the mux input). 18825bafac9SGrzegorz Jaszczyk 18925bafac9SGrzegorz Jaszczyk reg: 19025bafac9SGrzegorz Jaszczyk maxItems: 1 19125bafac9SGrzegorz Jaszczyk 19225bafac9SGrzegorz Jaszczyk required: 19325bafac9SGrzegorz Jaszczyk - clocks 19425bafac9SGrzegorz Jaszczyk 19525bafac9SGrzegorz Jaszczyk additionalProperties: false 19625bafac9SGrzegorz Jaszczyk 19725bafac9SGrzegorz Jaszczyk iepclk-mux@[a-f0-9]+$: 19825bafac9SGrzegorz Jaszczyk description: | 19925bafac9SGrzegorz Jaszczyk The IEP module can get its clock from 2 sources: ICSSG_IEP_CLK or 20025bafac9SGrzegorz Jaszczyk CORE_CLK (OCP_CLK in older SoCs). This node models this clock 20125bafac9SGrzegorz Jaszczyk mux and should have the name "iepclk-mux". 20225bafac9SGrzegorz Jaszczyk 20325bafac9SGrzegorz Jaszczyk type: object 20425bafac9SGrzegorz Jaszczyk 20525bafac9SGrzegorz Jaszczyk properties: 20625bafac9SGrzegorz Jaszczyk '#clock-cells': 20725bafac9SGrzegorz Jaszczyk const: 0 20825bafac9SGrzegorz Jaszczyk 20925bafac9SGrzegorz Jaszczyk clocks: 21025bafac9SGrzegorz Jaszczyk items: 21125bafac9SGrzegorz Jaszczyk - description: ICSSG_IEP Clock 21225bafac9SGrzegorz Jaszczyk - description: Core Clock (OCP Clock in older SoCs) 21325bafac9SGrzegorz Jaszczyk 21425bafac9SGrzegorz Jaszczyk assigned-clocks: 21525bafac9SGrzegorz Jaszczyk maxItems: 1 21625bafac9SGrzegorz Jaszczyk 21725bafac9SGrzegorz Jaszczyk assigned-clock-parents: 21825bafac9SGrzegorz Jaszczyk maxItems: 1 21925bafac9SGrzegorz Jaszczyk description: | 22025bafac9SGrzegorz Jaszczyk Standard assigned-clocks-parents definition used for selecting 22125bafac9SGrzegorz Jaszczyk mux parent (one of the mux input). 22225bafac9SGrzegorz Jaszczyk 22325bafac9SGrzegorz Jaszczyk reg: 22425bafac9SGrzegorz Jaszczyk maxItems: 1 22525bafac9SGrzegorz Jaszczyk 22625bafac9SGrzegorz Jaszczyk required: 22725bafac9SGrzegorz Jaszczyk - clocks 22825bafac9SGrzegorz Jaszczyk 22925bafac9SGrzegorz Jaszczyk additionalProperties: false 23025bafac9SGrzegorz Jaszczyk 231bd691ce0SGrzegorz Jaszczyk additionalProperties: false 232bd691ce0SGrzegorz Jaszczyk 233bd691ce0SGrzegorz Jaszczyk iep@[a-f0-9]+$: 234bd691ce0SGrzegorz Jaszczyk description: | 235bd691ce0SGrzegorz Jaszczyk Industrial Ethernet Peripheral to manage/generate Industrial Ethernet 236bd691ce0SGrzegorz Jaszczyk functions such as time stamping. Each PRUSS has either 1 IEP (on AM335x, 2372a65927eSSuman Anna AM437x, AM57xx & 66AK2G SoCs) or 2 IEPs (on K3 AM65x, J721E & AM64x SoCs). 2382a65927eSSuman Anna IEP is used for creating PTP clocks and generating PPS signals. 239bd691ce0SGrzegorz Jaszczyk 240bd691ce0SGrzegorz Jaszczyk type: object 241bd691ce0SGrzegorz Jaszczyk 242bd691ce0SGrzegorz Jaszczyk mii-rt@[a-f0-9]+$: 243bd691ce0SGrzegorz Jaszczyk description: | 244bd691ce0SGrzegorz Jaszczyk Real-Time Ethernet to support multiple industrial communication protocols. 245bd691ce0SGrzegorz Jaszczyk MII-RT sub-module represented as a SysCon. 246bd691ce0SGrzegorz Jaszczyk 247bd691ce0SGrzegorz Jaszczyk type: object 248bd691ce0SGrzegorz Jaszczyk 249bd691ce0SGrzegorz Jaszczyk properties: 250bd691ce0SGrzegorz Jaszczyk compatible: 251bd691ce0SGrzegorz Jaszczyk items: 252bd691ce0SGrzegorz Jaszczyk - const: ti,pruss-mii 253bd691ce0SGrzegorz Jaszczyk - const: syscon 254bd691ce0SGrzegorz Jaszczyk 255bd691ce0SGrzegorz Jaszczyk reg: 256bd691ce0SGrzegorz Jaszczyk maxItems: 1 257bd691ce0SGrzegorz Jaszczyk 258bd691ce0SGrzegorz Jaszczyk additionalProperties: false 259bd691ce0SGrzegorz Jaszczyk 260bd691ce0SGrzegorz Jaszczyk mii-g-rt@[a-f0-9]+$: 261bd691ce0SGrzegorz Jaszczyk description: | 262bd691ce0SGrzegorz Jaszczyk The Real-time Media Independent Interface to support multiple industrial 263bd691ce0SGrzegorz Jaszczyk communication protocols (G stands for Gigabit). MII-G-RT sub-module 264bd691ce0SGrzegorz Jaszczyk represented as a SysCon. 265bd691ce0SGrzegorz Jaszczyk 266bd691ce0SGrzegorz Jaszczyk type: object 267bd691ce0SGrzegorz Jaszczyk 268bd691ce0SGrzegorz Jaszczyk properties: 269bd691ce0SGrzegorz Jaszczyk compatible: 270bd691ce0SGrzegorz Jaszczyk items: 271bd691ce0SGrzegorz Jaszczyk - const: ti,pruss-mii-g 272bd691ce0SGrzegorz Jaszczyk - const: syscon 273bd691ce0SGrzegorz Jaszczyk 274bd691ce0SGrzegorz Jaszczyk reg: 275bd691ce0SGrzegorz Jaszczyk maxItems: 1 276bd691ce0SGrzegorz Jaszczyk 277bd691ce0SGrzegorz Jaszczyk additionalProperties: false 278bd691ce0SGrzegorz Jaszczyk 279bd691ce0SGrzegorz Jaszczyk interrupt-controller@[a-f0-9]+$: 280bd691ce0SGrzegorz Jaszczyk description: | 281bd691ce0SGrzegorz Jaszczyk PRUSS INTC Node. Each PRUSS has a single interrupt controller instance 282bd691ce0SGrzegorz Jaszczyk that is common to all the PRU cores. This should be represented as an 283bd691ce0SGrzegorz Jaszczyk interrupt-controller node. 284dca66935SRob Herring $ref: /schemas/interrupt-controller/ti,pruss-intc.yaml# 285bd691ce0SGrzegorz Jaszczyk type: object 286bd691ce0SGrzegorz Jaszczyk 287bd691ce0SGrzegorz Jaszczyk mdio@[a-f0-9]+$: 288bd691ce0SGrzegorz Jaszczyk description: | 289bd691ce0SGrzegorz Jaszczyk MDIO Node. Each PRUSS has an MDIO module that can be used to control 290bd691ce0SGrzegorz Jaszczyk external PHYs. The MDIO module used within the PRU-ICSS is an instance of 291bd691ce0SGrzegorz Jaszczyk the MDIO Controller used in TI Davinci SoCs. 292dca66935SRob Herring $ref: /schemas/net/ti,davinci-mdio.yaml# 293bd691ce0SGrzegorz Jaszczyk type: object 294bd691ce0SGrzegorz Jaszczyk 295bd691ce0SGrzegorz Jaszczyk "^(pru|rtu|txpru)@[0-9a-f]+$": 296bd691ce0SGrzegorz Jaszczyk description: | 297bd691ce0SGrzegorz Jaszczyk PRU Node. Each PRUSS has dual PRU cores, each represented as a RemoteProc 298bd691ce0SGrzegorz Jaszczyk device through a PRU child node each. Each node can optionally be rendered 299bd691ce0SGrzegorz Jaszczyk inactive by using the standard DT string property, "status". The ICSSG IP 300bd691ce0SGrzegorz Jaszczyk present on K3 SoCs have additional auxiliary PRU cores with slightly 301bd691ce0SGrzegorz Jaszczyk different IP integration. 302dca66935SRob Herring $ref: /schemas/remoteproc/ti,pru-rproc.yaml# 303bd691ce0SGrzegorz Jaszczyk type: object 304bd691ce0SGrzegorz Jaszczyk 305bd691ce0SGrzegorz Jaszczykrequired: 306bd691ce0SGrzegorz Jaszczyk - compatible 307bd691ce0SGrzegorz Jaszczyk - reg 308bd691ce0SGrzegorz Jaszczyk - ranges 309bd691ce0SGrzegorz Jaszczyk 310bd691ce0SGrzegorz JaszczykadditionalProperties: false 311bd691ce0SGrzegorz Jaszczyk 312bd691ce0SGrzegorz Jaszczyk# Due to inability of correctly verifying sub-nodes with an @address through 313bd691ce0SGrzegorz Jaszczyk# the "required" list, the required sub-nodes below are commented out for now. 314bd691ce0SGrzegorz Jaszczyk 315bd691ce0SGrzegorz Jaszczyk#required: 316bd691ce0SGrzegorz Jaszczyk# - memories 317bd691ce0SGrzegorz Jaszczyk# - interrupt-controller 318bd691ce0SGrzegorz Jaszczyk# - pru 319bd691ce0SGrzegorz Jaszczyk 32062e8ce85SSuman AnnaallOf: 32162e8ce85SSuman Anna - if: 322bd691ce0SGrzegorz Jaszczyk properties: 323bd691ce0SGrzegorz Jaszczyk compatible: 324bd691ce0SGrzegorz Jaszczyk contains: 325bd691ce0SGrzegorz Jaszczyk enum: 326bd691ce0SGrzegorz Jaszczyk - ti,k2g-pruss 327bd691ce0SGrzegorz Jaszczyk - ti,am654-icssg 328bd691ce0SGrzegorz Jaszczyk - ti,j721e-icssg 3292a65927eSSuman Anna - ti,am642-icssg 330bd691ce0SGrzegorz Jaszczyk then: 331bd691ce0SGrzegorz Jaszczyk required: 332bd691ce0SGrzegorz Jaszczyk - power-domains 333bd691ce0SGrzegorz Jaszczyk 33462e8ce85SSuman Anna - if: 33562e8ce85SSuman Anna properties: 33662e8ce85SSuman Anna compatible: 33762e8ce85SSuman Anna contains: 33862e8ce85SSuman Anna enum: 33962e8ce85SSuman Anna - ti,k2g-pruss 34062e8ce85SSuman Anna then: 34162e8ce85SSuman Anna required: 34262e8ce85SSuman Anna - dma-coherent 34362e8ce85SSuman Anna 344bd691ce0SGrzegorz Jaszczykexamples: 345bd691ce0SGrzegorz Jaszczyk - | 346bd691ce0SGrzegorz Jaszczyk 347bd691ce0SGrzegorz Jaszczyk /* Example 1 AM33xx PRU-ICSS */ 348bd691ce0SGrzegorz Jaszczyk pruss: pruss@0 { 349bd691ce0SGrzegorz Jaszczyk compatible = "ti,am3356-pruss"; 350bd691ce0SGrzegorz Jaszczyk reg = <0x0 0x80000>; 351bd691ce0SGrzegorz Jaszczyk #address-cells = <1>; 352bd691ce0SGrzegorz Jaszczyk #size-cells = <1>; 353bd691ce0SGrzegorz Jaszczyk ranges; 354bd691ce0SGrzegorz Jaszczyk 355bd691ce0SGrzegorz Jaszczyk pruss_mem: memories@0 { 356bd691ce0SGrzegorz Jaszczyk reg = <0x0 0x2000>, 357bd691ce0SGrzegorz Jaszczyk <0x2000 0x2000>, 358bd691ce0SGrzegorz Jaszczyk <0x10000 0x3000>; 359bd691ce0SGrzegorz Jaszczyk reg-names = "dram0", "dram1", "shrdram2"; 360bd691ce0SGrzegorz Jaszczyk }; 361bd691ce0SGrzegorz Jaszczyk 362bd691ce0SGrzegorz Jaszczyk pruss_cfg: cfg@26000 { 363bd691ce0SGrzegorz Jaszczyk compatible = "ti,pruss-cfg", "syscon"; 36425bafac9SGrzegorz Jaszczyk #address-cells = <1>; 36525bafac9SGrzegorz Jaszczyk #size-cells = <1>; 366bd691ce0SGrzegorz Jaszczyk reg = <0x26000 0x2000>; 36725bafac9SGrzegorz Jaszczyk ranges = <0x00 0x26000 0x2000>; 36825bafac9SGrzegorz Jaszczyk 36925bafac9SGrzegorz Jaszczyk clocks { 37025bafac9SGrzegorz Jaszczyk #address-cells = <1>; 37125bafac9SGrzegorz Jaszczyk #size-cells = <0>; 37225bafac9SGrzegorz Jaszczyk 37325bafac9SGrzegorz Jaszczyk pruss_iepclk_mux: iepclk-mux@30 { 37425bafac9SGrzegorz Jaszczyk reg = <0x30>; 37525bafac9SGrzegorz Jaszczyk #clock-cells = <0>; 37625bafac9SGrzegorz Jaszczyk clocks = <&l3_gclk>, /* icss_iep */ 37725bafac9SGrzegorz Jaszczyk <&pruss_ocp_gclk>; /* icss_ocp */ 37825bafac9SGrzegorz Jaszczyk }; 37925bafac9SGrzegorz Jaszczyk }; 380bd691ce0SGrzegorz Jaszczyk }; 381bd691ce0SGrzegorz Jaszczyk 382bd691ce0SGrzegorz Jaszczyk pruss_mii_rt: mii-rt@32000 { 383bd691ce0SGrzegorz Jaszczyk compatible = "ti,pruss-mii", "syscon"; 384bd691ce0SGrzegorz Jaszczyk reg = <0x32000 0x58>; 385bd691ce0SGrzegorz Jaszczyk }; 386bd691ce0SGrzegorz Jaszczyk 387822be879SGrzegorz Jaszczyk pruss_intc: interrupt-controller@20000 { 388822be879SGrzegorz Jaszczyk compatible = "ti,pruss-intc"; 389822be879SGrzegorz Jaszczyk reg = <0x20000 0x2000>; 390822be879SGrzegorz Jaszczyk interrupt-controller; 391822be879SGrzegorz Jaszczyk #interrupt-cells = <3>; 392822be879SGrzegorz Jaszczyk interrupts = <20 21 22 23 24 25 26 27>; 393822be879SGrzegorz Jaszczyk interrupt-names = "host_intr0", "host_intr1", 394822be879SGrzegorz Jaszczyk "host_intr2", "host_intr3", 395822be879SGrzegorz Jaszczyk "host_intr4", "host_intr5", 396822be879SGrzegorz Jaszczyk "host_intr6", "host_intr7"; 397822be879SGrzegorz Jaszczyk }; 398822be879SGrzegorz Jaszczyk 399822be879SGrzegorz Jaszczyk pru0: pru@34000 { 400822be879SGrzegorz Jaszczyk compatible = "ti,am3356-pru"; 401822be879SGrzegorz Jaszczyk reg = <0x34000 0x2000>, 402822be879SGrzegorz Jaszczyk <0x22000 0x400>, 403822be879SGrzegorz Jaszczyk <0x22400 0x100>; 404822be879SGrzegorz Jaszczyk reg-names = "iram", "control", "debug"; 405822be879SGrzegorz Jaszczyk firmware-name = "am335x-pru0-fw"; 406822be879SGrzegorz Jaszczyk }; 407822be879SGrzegorz Jaszczyk 408822be879SGrzegorz Jaszczyk pru1: pru@38000 { 409822be879SGrzegorz Jaszczyk compatible = "ti,am3356-pru"; 410822be879SGrzegorz Jaszczyk reg = <0x38000 0x2000>, 411822be879SGrzegorz Jaszczyk <0x24000 0x400>, 412822be879SGrzegorz Jaszczyk <0x24400 0x100>; 413822be879SGrzegorz Jaszczyk reg-names = "iram", "control", "debug"; 414822be879SGrzegorz Jaszczyk firmware-name = "am335x-pru1-fw"; 415822be879SGrzegorz Jaszczyk }; 416822be879SGrzegorz Jaszczyk 417bd691ce0SGrzegorz Jaszczyk pruss_mdio: mdio@32400 { 418bd691ce0SGrzegorz Jaszczyk compatible = "ti,davinci_mdio"; 419bd691ce0SGrzegorz Jaszczyk reg = <0x32400 0x90>; 420bd691ce0SGrzegorz Jaszczyk clocks = <&dpll_core_m4_ck>; 421bd691ce0SGrzegorz Jaszczyk clock-names = "fck"; 422bd691ce0SGrzegorz Jaszczyk bus_freq = <1000000>; 423bd691ce0SGrzegorz Jaszczyk #address-cells = <1>; 424bd691ce0SGrzegorz Jaszczyk #size-cells = <0>; 425bd691ce0SGrzegorz Jaszczyk }; 426bd691ce0SGrzegorz Jaszczyk }; 427bd691ce0SGrzegorz Jaszczyk 428bd691ce0SGrzegorz Jaszczyk - | 429bd691ce0SGrzegorz Jaszczyk 430bd691ce0SGrzegorz Jaszczyk /* Example 2 AM43xx PRU-ICSS with PRUSS1 node */ 431bd691ce0SGrzegorz Jaszczyk #include <dt-bindings/interrupt-controller/arm-gic.h> 432bd691ce0SGrzegorz Jaszczyk pruss1: pruss@0 { 433bd691ce0SGrzegorz Jaszczyk compatible = "ti,am4376-pruss1"; 434bd691ce0SGrzegorz Jaszczyk reg = <0x0 0x40000>; 435bd691ce0SGrzegorz Jaszczyk #address-cells = <1>; 436bd691ce0SGrzegorz Jaszczyk #size-cells = <1>; 437bd691ce0SGrzegorz Jaszczyk ranges; 438bd691ce0SGrzegorz Jaszczyk 439bd691ce0SGrzegorz Jaszczyk pruss1_mem: memories@0 { 440bd691ce0SGrzegorz Jaszczyk reg = <0x0 0x2000>, 441bd691ce0SGrzegorz Jaszczyk <0x2000 0x2000>, 442bd691ce0SGrzegorz Jaszczyk <0x10000 0x8000>; 443bd691ce0SGrzegorz Jaszczyk reg-names = "dram0", "dram1", "shrdram2"; 444bd691ce0SGrzegorz Jaszczyk }; 445bd691ce0SGrzegorz Jaszczyk 446bd691ce0SGrzegorz Jaszczyk pruss1_cfg: cfg@26000 { 447bd691ce0SGrzegorz Jaszczyk compatible = "ti,pruss-cfg", "syscon"; 44825bafac9SGrzegorz Jaszczyk #address-cells = <1>; 44925bafac9SGrzegorz Jaszczyk #size-cells = <1>; 450bd691ce0SGrzegorz Jaszczyk reg = <0x26000 0x2000>; 45125bafac9SGrzegorz Jaszczyk ranges = <0x00 0x26000 0x2000>; 45225bafac9SGrzegorz Jaszczyk 45325bafac9SGrzegorz Jaszczyk clocks { 45425bafac9SGrzegorz Jaszczyk #address-cells = <1>; 45525bafac9SGrzegorz Jaszczyk #size-cells = <0>; 45625bafac9SGrzegorz Jaszczyk 45725bafac9SGrzegorz Jaszczyk pruss1_iepclk_mux: iepclk-mux@30 { 45825bafac9SGrzegorz Jaszczyk reg = <0x30>; 45925bafac9SGrzegorz Jaszczyk #clock-cells = <0>; 46025bafac9SGrzegorz Jaszczyk clocks = <&sysclk_div>, /* icss_iep */ 46125bafac9SGrzegorz Jaszczyk <&pruss_ocp_gclk>; /* icss_ocp */ 46225bafac9SGrzegorz Jaszczyk }; 46325bafac9SGrzegorz Jaszczyk }; 464bd691ce0SGrzegorz Jaszczyk }; 465bd691ce0SGrzegorz Jaszczyk 466bd691ce0SGrzegorz Jaszczyk pruss1_mii_rt: mii-rt@32000 { 467bd691ce0SGrzegorz Jaszczyk compatible = "ti,pruss-mii", "syscon"; 468bd691ce0SGrzegorz Jaszczyk reg = <0x32000 0x58>; 469bd691ce0SGrzegorz Jaszczyk }; 470bd691ce0SGrzegorz Jaszczyk 471822be879SGrzegorz Jaszczyk pruss1_intc: interrupt-controller@20000 { 472822be879SGrzegorz Jaszczyk compatible = "ti,pruss-intc"; 473822be879SGrzegorz Jaszczyk reg = <0x20000 0x2000>; 474822be879SGrzegorz Jaszczyk interrupt-controller; 475822be879SGrzegorz Jaszczyk #interrupt-cells = <3>; 476822be879SGrzegorz Jaszczyk interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>, 477822be879SGrzegorz Jaszczyk <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>, 478822be879SGrzegorz Jaszczyk <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>, 479822be879SGrzegorz Jaszczyk <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>, 480822be879SGrzegorz Jaszczyk <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>, 481822be879SGrzegorz Jaszczyk <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>, 482822be879SGrzegorz Jaszczyk <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>; 483822be879SGrzegorz Jaszczyk interrupt-names = "host_intr0", "host_intr1", 484822be879SGrzegorz Jaszczyk "host_intr2", "host_intr3", 485822be879SGrzegorz Jaszczyk "host_intr4", 486822be879SGrzegorz Jaszczyk "host_intr6", "host_intr7"; 487822be879SGrzegorz Jaszczyk ti,irqs-reserved = /bits/ 8 <0x20>; /* BIT(5) */ 488822be879SGrzegorz Jaszczyk }; 489822be879SGrzegorz Jaszczyk 490822be879SGrzegorz Jaszczyk pru1_0: pru@34000 { 491822be879SGrzegorz Jaszczyk compatible = "ti,am4376-pru"; 492822be879SGrzegorz Jaszczyk reg = <0x34000 0x3000>, 493822be879SGrzegorz Jaszczyk <0x22000 0x400>, 494822be879SGrzegorz Jaszczyk <0x22400 0x100>; 495822be879SGrzegorz Jaszczyk reg-names = "iram", "control", "debug"; 496822be879SGrzegorz Jaszczyk firmware-name = "am437x-pru1_0-fw"; 497822be879SGrzegorz Jaszczyk }; 498822be879SGrzegorz Jaszczyk 499822be879SGrzegorz Jaszczyk pru1_1: pru@38000 { 500822be879SGrzegorz Jaszczyk compatible = "ti,am4376-pru"; 501822be879SGrzegorz Jaszczyk reg = <0x38000 0x3000>, 502822be879SGrzegorz Jaszczyk <0x24000 0x400>, 503822be879SGrzegorz Jaszczyk <0x24400 0x100>; 504822be879SGrzegorz Jaszczyk reg-names = "iram", "control", "debug"; 505822be879SGrzegorz Jaszczyk firmware-name = "am437x-pru1_1-fw"; 506822be879SGrzegorz Jaszczyk }; 507822be879SGrzegorz Jaszczyk 508bd691ce0SGrzegorz Jaszczyk pruss1_mdio: mdio@32400 { 509bd691ce0SGrzegorz Jaszczyk compatible = "ti,davinci_mdio"; 510bd691ce0SGrzegorz Jaszczyk reg = <0x32400 0x90>; 511bd691ce0SGrzegorz Jaszczyk clocks = <&dpll_core_m4_ck>; 512bd691ce0SGrzegorz Jaszczyk clock-names = "fck"; 513bd691ce0SGrzegorz Jaszczyk bus_freq = <1000000>; 514bd691ce0SGrzegorz Jaszczyk #address-cells = <1>; 515bd691ce0SGrzegorz Jaszczyk #size-cells = <0>; 516bd691ce0SGrzegorz Jaszczyk }; 517bd691ce0SGrzegorz Jaszczyk }; 518bd691ce0SGrzegorz Jaszczyk 519bd691ce0SGrzegorz Jaszczyk... 520