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*75938babSKishon Vijay Abraham I - ti,am625-pruss # for K3 AM62x SoC family 69b8c8d647SKishon Vijay Abraham I - ti,am642-icssg # for K3 AM64x SoC family 70bd691ce0SGrzegorz Jaszczyk - ti,am654-icssg # for K3 AM65x SoC family 71bd691ce0SGrzegorz Jaszczyk - ti,j721e-icssg # for K3 J721E SoC family 72b8c8d647SKishon Vijay Abraham I - ti,k2g-pruss # for 66AK2G SoC family 73bd691ce0SGrzegorz Jaszczyk 74bd691ce0SGrzegorz Jaszczyk reg: 75bd691ce0SGrzegorz Jaszczyk maxItems: 1 76bd691ce0SGrzegorz Jaszczyk 77bd691ce0SGrzegorz Jaszczyk "#address-cells": 78bd691ce0SGrzegorz Jaszczyk const: 1 79bd691ce0SGrzegorz Jaszczyk 80bd691ce0SGrzegorz Jaszczyk "#size-cells": 81bd691ce0SGrzegorz Jaszczyk const: 1 82bd691ce0SGrzegorz Jaszczyk 83bd691ce0SGrzegorz Jaszczyk ranges: 84bd691ce0SGrzegorz Jaszczyk maxItems: 1 85bd691ce0SGrzegorz Jaszczyk 86822be879SGrzegorz Jaszczyk dma-ranges: 87822be879SGrzegorz Jaszczyk maxItems: 1 88822be879SGrzegorz Jaszczyk 8962e8ce85SSuman Anna dma-coherent: true 9062e8ce85SSuman Anna 91bd691ce0SGrzegorz Jaszczyk power-domains: 92bd691ce0SGrzegorz Jaszczyk description: | 93bd691ce0SGrzegorz Jaszczyk This property is as per sci-pm-domain.txt. 94bd691ce0SGrzegorz Jaszczyk 95bd691ce0SGrzegorz JaszczykpatternProperties: 96bd691ce0SGrzegorz Jaszczyk 97bd691ce0SGrzegorz Jaszczyk memories@[a-f0-9]+$: 98bd691ce0SGrzegorz Jaszczyk description: | 99bd691ce0SGrzegorz Jaszczyk The various Data RAMs within a single PRU-ICSS unit are represented as a 100bd691ce0SGrzegorz Jaszczyk single node with the name 'memories'. 101bd691ce0SGrzegorz Jaszczyk 102bd691ce0SGrzegorz Jaszczyk type: object 103bd691ce0SGrzegorz Jaszczyk 104bd691ce0SGrzegorz Jaszczyk properties: 105bd691ce0SGrzegorz Jaszczyk reg: 106bd691ce0SGrzegorz Jaszczyk minItems: 2 # On AM437x one of two PRUSS units don't contain Shared RAM. 107bd691ce0SGrzegorz Jaszczyk items: 108bd691ce0SGrzegorz Jaszczyk - description: Address and size of the Data RAM0. 109bd691ce0SGrzegorz Jaszczyk - description: Address and size of the Data RAM1. 110bd691ce0SGrzegorz Jaszczyk - description: | 111bd691ce0SGrzegorz Jaszczyk Address and size of the Shared Data RAM. Note that on AM437x one 112bd691ce0SGrzegorz Jaszczyk of two PRUSS units don't contain Shared RAM, while the second one 113bd691ce0SGrzegorz Jaszczyk has it. 114bd691ce0SGrzegorz Jaszczyk 115bd691ce0SGrzegorz Jaszczyk reg-names: 116bd691ce0SGrzegorz Jaszczyk minItems: 2 117bd691ce0SGrzegorz Jaszczyk items: 118bd691ce0SGrzegorz Jaszczyk - const: dram0 119bd691ce0SGrzegorz Jaszczyk - const: dram1 120bd691ce0SGrzegorz Jaszczyk - const: shrdram2 121bd691ce0SGrzegorz Jaszczyk 122bd691ce0SGrzegorz Jaszczyk required: 123bd691ce0SGrzegorz Jaszczyk - reg 124bd691ce0SGrzegorz Jaszczyk - reg-names 125bd691ce0SGrzegorz Jaszczyk 126bd691ce0SGrzegorz Jaszczyk additionalProperties: false 127bd691ce0SGrzegorz Jaszczyk 128bd691ce0SGrzegorz Jaszczyk cfg@[a-f0-9]+$: 129bd691ce0SGrzegorz Jaszczyk description: | 130bd691ce0SGrzegorz Jaszczyk PRU-ICSS configuration space. CFG sub-module represented as a SysCon. 131bd691ce0SGrzegorz Jaszczyk 132bd691ce0SGrzegorz Jaszczyk type: object 133bd691ce0SGrzegorz Jaszczyk 134bd691ce0SGrzegorz Jaszczyk properties: 135bd691ce0SGrzegorz Jaszczyk compatible: 136bd691ce0SGrzegorz Jaszczyk items: 137bd691ce0SGrzegorz Jaszczyk - const: ti,pruss-cfg 138bd691ce0SGrzegorz Jaszczyk - const: syscon 139bd691ce0SGrzegorz Jaszczyk 14025bafac9SGrzegorz Jaszczyk "#address-cells": 14125bafac9SGrzegorz Jaszczyk const: 1 14225bafac9SGrzegorz Jaszczyk 14325bafac9SGrzegorz Jaszczyk "#size-cells": 14425bafac9SGrzegorz Jaszczyk const: 1 14525bafac9SGrzegorz Jaszczyk 146bd691ce0SGrzegorz Jaszczyk reg: 147bd691ce0SGrzegorz Jaszczyk maxItems: 1 148bd691ce0SGrzegorz Jaszczyk 14925bafac9SGrzegorz Jaszczyk ranges: 15025bafac9SGrzegorz Jaszczyk maxItems: 1 15125bafac9SGrzegorz Jaszczyk 15225bafac9SGrzegorz Jaszczyk clocks: 15325bafac9SGrzegorz Jaszczyk type: object 15425bafac9SGrzegorz Jaszczyk 15525bafac9SGrzegorz Jaszczyk properties: 15625bafac9SGrzegorz Jaszczyk "#address-cells": 15725bafac9SGrzegorz Jaszczyk const: 1 15825bafac9SGrzegorz Jaszczyk 15925bafac9SGrzegorz Jaszczyk "#size-cells": 16025bafac9SGrzegorz Jaszczyk const: 0 16125bafac9SGrzegorz Jaszczyk 16225bafac9SGrzegorz Jaszczyk patternProperties: 16325bafac9SGrzegorz Jaszczyk coreclk-mux@[a-f0-9]+$: 16425bafac9SGrzegorz Jaszczyk description: | 16525bafac9SGrzegorz Jaszczyk This is applicable only for ICSSG (K3 SoCs). The ICSSG modules 16625bafac9SGrzegorz Jaszczyk core clock can be set to one of the 2 sources: ICSSG_CORE_CLK or 16725bafac9SGrzegorz Jaszczyk ICSSG_ICLK. This node models this clock mux and should have the 16825bafac9SGrzegorz Jaszczyk name "coreclk-mux". 16925bafac9SGrzegorz Jaszczyk 17025bafac9SGrzegorz Jaszczyk type: object 17125bafac9SGrzegorz Jaszczyk 17225bafac9SGrzegorz Jaszczyk properties: 17325bafac9SGrzegorz Jaszczyk '#clock-cells': 17425bafac9SGrzegorz Jaszczyk const: 0 17525bafac9SGrzegorz Jaszczyk 17625bafac9SGrzegorz Jaszczyk clocks: 17725bafac9SGrzegorz Jaszczyk items: 17825bafac9SGrzegorz Jaszczyk - description: ICSSG_CORE Clock 17925bafac9SGrzegorz Jaszczyk - description: ICSSG_ICLK Clock 18025bafac9SGrzegorz Jaszczyk 18125bafac9SGrzegorz Jaszczyk assigned-clocks: 18225bafac9SGrzegorz Jaszczyk maxItems: 1 18325bafac9SGrzegorz Jaszczyk 18425bafac9SGrzegorz Jaszczyk assigned-clock-parents: 18525bafac9SGrzegorz Jaszczyk maxItems: 1 18625bafac9SGrzegorz Jaszczyk description: | 18725bafac9SGrzegorz Jaszczyk Standard assigned-clocks-parents definition used for selecting 18825bafac9SGrzegorz Jaszczyk mux parent (one of the mux input). 18925bafac9SGrzegorz Jaszczyk 19025bafac9SGrzegorz Jaszczyk reg: 19125bafac9SGrzegorz Jaszczyk maxItems: 1 19225bafac9SGrzegorz Jaszczyk 19325bafac9SGrzegorz Jaszczyk required: 19425bafac9SGrzegorz Jaszczyk - clocks 19525bafac9SGrzegorz Jaszczyk 19625bafac9SGrzegorz Jaszczyk additionalProperties: false 19725bafac9SGrzegorz Jaszczyk 19825bafac9SGrzegorz Jaszczyk iepclk-mux@[a-f0-9]+$: 19925bafac9SGrzegorz Jaszczyk description: | 20025bafac9SGrzegorz Jaszczyk The IEP module can get its clock from 2 sources: ICSSG_IEP_CLK or 20125bafac9SGrzegorz Jaszczyk CORE_CLK (OCP_CLK in older SoCs). This node models this clock 20225bafac9SGrzegorz Jaszczyk mux and should have the name "iepclk-mux". 20325bafac9SGrzegorz Jaszczyk 20425bafac9SGrzegorz Jaszczyk type: object 20525bafac9SGrzegorz Jaszczyk 20625bafac9SGrzegorz Jaszczyk properties: 20725bafac9SGrzegorz Jaszczyk '#clock-cells': 20825bafac9SGrzegorz Jaszczyk const: 0 20925bafac9SGrzegorz Jaszczyk 21025bafac9SGrzegorz Jaszczyk clocks: 21125bafac9SGrzegorz Jaszczyk items: 21225bafac9SGrzegorz Jaszczyk - description: ICSSG_IEP Clock 21325bafac9SGrzegorz Jaszczyk - description: Core Clock (OCP Clock in older SoCs) 21425bafac9SGrzegorz Jaszczyk 21525bafac9SGrzegorz Jaszczyk assigned-clocks: 21625bafac9SGrzegorz Jaszczyk maxItems: 1 21725bafac9SGrzegorz Jaszczyk 21825bafac9SGrzegorz Jaszczyk assigned-clock-parents: 21925bafac9SGrzegorz Jaszczyk maxItems: 1 22025bafac9SGrzegorz Jaszczyk description: | 22125bafac9SGrzegorz Jaszczyk Standard assigned-clocks-parents definition used for selecting 22225bafac9SGrzegorz Jaszczyk mux parent (one of the mux input). 22325bafac9SGrzegorz Jaszczyk 22425bafac9SGrzegorz Jaszczyk reg: 22525bafac9SGrzegorz Jaszczyk maxItems: 1 22625bafac9SGrzegorz Jaszczyk 22725bafac9SGrzegorz Jaszczyk required: 22825bafac9SGrzegorz Jaszczyk - clocks 22925bafac9SGrzegorz Jaszczyk 23025bafac9SGrzegorz Jaszczyk additionalProperties: false 23125bafac9SGrzegorz Jaszczyk 232bd691ce0SGrzegorz Jaszczyk additionalProperties: false 233bd691ce0SGrzegorz Jaszczyk 234bd691ce0SGrzegorz Jaszczyk iep@[a-f0-9]+$: 235bd691ce0SGrzegorz Jaszczyk description: | 236bd691ce0SGrzegorz Jaszczyk Industrial Ethernet Peripheral to manage/generate Industrial Ethernet 237bd691ce0SGrzegorz Jaszczyk functions such as time stamping. Each PRUSS has either 1 IEP (on AM335x, 2382a65927eSSuman Anna AM437x, AM57xx & 66AK2G SoCs) or 2 IEPs (on K3 AM65x, J721E & AM64x SoCs). 2392a65927eSSuman Anna IEP is used for creating PTP clocks and generating PPS signals. 240bd691ce0SGrzegorz Jaszczyk 241bd691ce0SGrzegorz Jaszczyk type: object 242bd691ce0SGrzegorz Jaszczyk 243bd691ce0SGrzegorz Jaszczyk mii-rt@[a-f0-9]+$: 244bd691ce0SGrzegorz Jaszczyk description: | 245bd691ce0SGrzegorz Jaszczyk Real-Time Ethernet to support multiple industrial communication protocols. 246bd691ce0SGrzegorz Jaszczyk MII-RT sub-module represented as a SysCon. 247bd691ce0SGrzegorz Jaszczyk 248bd691ce0SGrzegorz Jaszczyk type: object 249bd691ce0SGrzegorz Jaszczyk 250bd691ce0SGrzegorz Jaszczyk properties: 251bd691ce0SGrzegorz Jaszczyk compatible: 252bd691ce0SGrzegorz Jaszczyk items: 253bd691ce0SGrzegorz Jaszczyk - const: ti,pruss-mii 254bd691ce0SGrzegorz Jaszczyk - const: syscon 255bd691ce0SGrzegorz Jaszczyk 256bd691ce0SGrzegorz Jaszczyk reg: 257bd691ce0SGrzegorz Jaszczyk maxItems: 1 258bd691ce0SGrzegorz Jaszczyk 259bd691ce0SGrzegorz Jaszczyk additionalProperties: false 260bd691ce0SGrzegorz Jaszczyk 261bd691ce0SGrzegorz Jaszczyk mii-g-rt@[a-f0-9]+$: 262bd691ce0SGrzegorz Jaszczyk description: | 263bd691ce0SGrzegorz Jaszczyk The Real-time Media Independent Interface to support multiple industrial 264bd691ce0SGrzegorz Jaszczyk communication protocols (G stands for Gigabit). MII-G-RT sub-module 265bd691ce0SGrzegorz Jaszczyk represented as a SysCon. 266bd691ce0SGrzegorz Jaszczyk 267bd691ce0SGrzegorz Jaszczyk type: object 268bd691ce0SGrzegorz Jaszczyk 269bd691ce0SGrzegorz Jaszczyk properties: 270bd691ce0SGrzegorz Jaszczyk compatible: 271bd691ce0SGrzegorz Jaszczyk items: 272bd691ce0SGrzegorz Jaszczyk - const: ti,pruss-mii-g 273bd691ce0SGrzegorz Jaszczyk - const: syscon 274bd691ce0SGrzegorz Jaszczyk 275bd691ce0SGrzegorz Jaszczyk reg: 276bd691ce0SGrzegorz Jaszczyk maxItems: 1 277bd691ce0SGrzegorz Jaszczyk 278bd691ce0SGrzegorz Jaszczyk additionalProperties: false 279bd691ce0SGrzegorz Jaszczyk 280bd691ce0SGrzegorz Jaszczyk interrupt-controller@[a-f0-9]+$: 281bd691ce0SGrzegorz Jaszczyk description: | 282bd691ce0SGrzegorz Jaszczyk PRUSS INTC Node. Each PRUSS has a single interrupt controller instance 283bd691ce0SGrzegorz Jaszczyk that is common to all the PRU cores. This should be represented as an 284bd691ce0SGrzegorz Jaszczyk interrupt-controller node. 285dca66935SRob Herring $ref: /schemas/interrupt-controller/ti,pruss-intc.yaml# 286bd691ce0SGrzegorz Jaszczyk type: object 287bd691ce0SGrzegorz Jaszczyk 288bd691ce0SGrzegorz Jaszczyk mdio@[a-f0-9]+$: 289bd691ce0SGrzegorz Jaszczyk description: | 290bd691ce0SGrzegorz Jaszczyk MDIO Node. Each PRUSS has an MDIO module that can be used to control 291bd691ce0SGrzegorz Jaszczyk external PHYs. The MDIO module used within the PRU-ICSS is an instance of 292bd691ce0SGrzegorz Jaszczyk the MDIO Controller used in TI Davinci SoCs. 293dca66935SRob Herring $ref: /schemas/net/ti,davinci-mdio.yaml# 294bd691ce0SGrzegorz Jaszczyk type: object 295bd691ce0SGrzegorz Jaszczyk 296bd691ce0SGrzegorz Jaszczyk "^(pru|rtu|txpru)@[0-9a-f]+$": 297bd691ce0SGrzegorz Jaszczyk description: | 298bd691ce0SGrzegorz Jaszczyk PRU Node. Each PRUSS has dual PRU cores, each represented as a RemoteProc 299bd691ce0SGrzegorz Jaszczyk device through a PRU child node each. Each node can optionally be rendered 300bd691ce0SGrzegorz Jaszczyk inactive by using the standard DT string property, "status". The ICSSG IP 301bd691ce0SGrzegorz Jaszczyk present on K3 SoCs have additional auxiliary PRU cores with slightly 302bd691ce0SGrzegorz Jaszczyk different IP integration. 303dca66935SRob Herring $ref: /schemas/remoteproc/ti,pru-rproc.yaml# 304bd691ce0SGrzegorz Jaszczyk type: object 305bd691ce0SGrzegorz Jaszczyk 306bd691ce0SGrzegorz Jaszczykrequired: 307bd691ce0SGrzegorz Jaszczyk - compatible 308bd691ce0SGrzegorz Jaszczyk - reg 309bd691ce0SGrzegorz Jaszczyk - ranges 310bd691ce0SGrzegorz Jaszczyk 311bd691ce0SGrzegorz JaszczykadditionalProperties: false 312bd691ce0SGrzegorz Jaszczyk 313bd691ce0SGrzegorz Jaszczyk# Due to inability of correctly verifying sub-nodes with an @address through 314bd691ce0SGrzegorz Jaszczyk# the "required" list, the required sub-nodes below are commented out for now. 315bd691ce0SGrzegorz Jaszczyk 316bd691ce0SGrzegorz Jaszczyk#required: 317bd691ce0SGrzegorz Jaszczyk# - memories 318bd691ce0SGrzegorz Jaszczyk# - interrupt-controller 319bd691ce0SGrzegorz Jaszczyk# - pru 320bd691ce0SGrzegorz Jaszczyk 32162e8ce85SSuman AnnaallOf: 32262e8ce85SSuman Anna - if: 323bd691ce0SGrzegorz Jaszczyk properties: 324bd691ce0SGrzegorz Jaszczyk compatible: 325bd691ce0SGrzegorz Jaszczyk contains: 326bd691ce0SGrzegorz Jaszczyk enum: 327bd691ce0SGrzegorz Jaszczyk - ti,k2g-pruss 328bd691ce0SGrzegorz Jaszczyk - ti,am654-icssg 329bd691ce0SGrzegorz Jaszczyk - ti,j721e-icssg 3302a65927eSSuman Anna - ti,am642-icssg 331bd691ce0SGrzegorz Jaszczyk then: 332bd691ce0SGrzegorz Jaszczyk required: 333bd691ce0SGrzegorz Jaszczyk - power-domains 334bd691ce0SGrzegorz Jaszczyk 33562e8ce85SSuman Anna - if: 33662e8ce85SSuman Anna properties: 33762e8ce85SSuman Anna compatible: 33862e8ce85SSuman Anna contains: 33962e8ce85SSuman Anna enum: 34062e8ce85SSuman Anna - ti,k2g-pruss 34162e8ce85SSuman Anna then: 34262e8ce85SSuman Anna required: 34362e8ce85SSuman Anna - dma-coherent 34462e8ce85SSuman Anna 345bd691ce0SGrzegorz Jaszczykexamples: 346bd691ce0SGrzegorz Jaszczyk - | 347bd691ce0SGrzegorz Jaszczyk 348bd691ce0SGrzegorz Jaszczyk /* Example 1 AM33xx PRU-ICSS */ 349bd691ce0SGrzegorz Jaszczyk pruss: pruss@0 { 350bd691ce0SGrzegorz Jaszczyk compatible = "ti,am3356-pruss"; 351bd691ce0SGrzegorz Jaszczyk reg = <0x0 0x80000>; 352bd691ce0SGrzegorz Jaszczyk #address-cells = <1>; 353bd691ce0SGrzegorz Jaszczyk #size-cells = <1>; 354bd691ce0SGrzegorz Jaszczyk ranges; 355bd691ce0SGrzegorz Jaszczyk 356bd691ce0SGrzegorz Jaszczyk pruss_mem: memories@0 { 357bd691ce0SGrzegorz Jaszczyk reg = <0x0 0x2000>, 358bd691ce0SGrzegorz Jaszczyk <0x2000 0x2000>, 359bd691ce0SGrzegorz Jaszczyk <0x10000 0x3000>; 360bd691ce0SGrzegorz Jaszczyk reg-names = "dram0", "dram1", "shrdram2"; 361bd691ce0SGrzegorz Jaszczyk }; 362bd691ce0SGrzegorz Jaszczyk 363bd691ce0SGrzegorz Jaszczyk pruss_cfg: cfg@26000 { 364bd691ce0SGrzegorz Jaszczyk compatible = "ti,pruss-cfg", "syscon"; 36525bafac9SGrzegorz Jaszczyk #address-cells = <1>; 36625bafac9SGrzegorz Jaszczyk #size-cells = <1>; 367bd691ce0SGrzegorz Jaszczyk reg = <0x26000 0x2000>; 36825bafac9SGrzegorz Jaszczyk ranges = <0x00 0x26000 0x2000>; 36925bafac9SGrzegorz Jaszczyk 37025bafac9SGrzegorz Jaszczyk clocks { 37125bafac9SGrzegorz Jaszczyk #address-cells = <1>; 37225bafac9SGrzegorz Jaszczyk #size-cells = <0>; 37325bafac9SGrzegorz Jaszczyk 37425bafac9SGrzegorz Jaszczyk pruss_iepclk_mux: iepclk-mux@30 { 37525bafac9SGrzegorz Jaszczyk reg = <0x30>; 37625bafac9SGrzegorz Jaszczyk #clock-cells = <0>; 37725bafac9SGrzegorz Jaszczyk clocks = <&l3_gclk>, /* icss_iep */ 37825bafac9SGrzegorz Jaszczyk <&pruss_ocp_gclk>; /* icss_ocp */ 37925bafac9SGrzegorz Jaszczyk }; 38025bafac9SGrzegorz Jaszczyk }; 381bd691ce0SGrzegorz Jaszczyk }; 382bd691ce0SGrzegorz Jaszczyk 383bd691ce0SGrzegorz Jaszczyk pruss_mii_rt: mii-rt@32000 { 384bd691ce0SGrzegorz Jaszczyk compatible = "ti,pruss-mii", "syscon"; 385bd691ce0SGrzegorz Jaszczyk reg = <0x32000 0x58>; 386bd691ce0SGrzegorz Jaszczyk }; 387bd691ce0SGrzegorz Jaszczyk 388822be879SGrzegorz Jaszczyk pruss_intc: interrupt-controller@20000 { 389822be879SGrzegorz Jaszczyk compatible = "ti,pruss-intc"; 390822be879SGrzegorz Jaszczyk reg = <0x20000 0x2000>; 391822be879SGrzegorz Jaszczyk interrupt-controller; 392822be879SGrzegorz Jaszczyk #interrupt-cells = <3>; 393822be879SGrzegorz Jaszczyk interrupts = <20 21 22 23 24 25 26 27>; 394822be879SGrzegorz Jaszczyk interrupt-names = "host_intr0", "host_intr1", 395822be879SGrzegorz Jaszczyk "host_intr2", "host_intr3", 396822be879SGrzegorz Jaszczyk "host_intr4", "host_intr5", 397822be879SGrzegorz Jaszczyk "host_intr6", "host_intr7"; 398822be879SGrzegorz Jaszczyk }; 399822be879SGrzegorz Jaszczyk 400822be879SGrzegorz Jaszczyk pru0: pru@34000 { 401822be879SGrzegorz Jaszczyk compatible = "ti,am3356-pru"; 402822be879SGrzegorz Jaszczyk reg = <0x34000 0x2000>, 403822be879SGrzegorz Jaszczyk <0x22000 0x400>, 404822be879SGrzegorz Jaszczyk <0x22400 0x100>; 405822be879SGrzegorz Jaszczyk reg-names = "iram", "control", "debug"; 406822be879SGrzegorz Jaszczyk firmware-name = "am335x-pru0-fw"; 407822be879SGrzegorz Jaszczyk }; 408822be879SGrzegorz Jaszczyk 409822be879SGrzegorz Jaszczyk pru1: pru@38000 { 410822be879SGrzegorz Jaszczyk compatible = "ti,am3356-pru"; 411822be879SGrzegorz Jaszczyk reg = <0x38000 0x2000>, 412822be879SGrzegorz Jaszczyk <0x24000 0x400>, 413822be879SGrzegorz Jaszczyk <0x24400 0x100>; 414822be879SGrzegorz Jaszczyk reg-names = "iram", "control", "debug"; 415822be879SGrzegorz Jaszczyk firmware-name = "am335x-pru1-fw"; 416822be879SGrzegorz Jaszczyk }; 417822be879SGrzegorz Jaszczyk 418bd691ce0SGrzegorz Jaszczyk pruss_mdio: mdio@32400 { 419bd691ce0SGrzegorz Jaszczyk compatible = "ti,davinci_mdio"; 420bd691ce0SGrzegorz Jaszczyk reg = <0x32400 0x90>; 421bd691ce0SGrzegorz Jaszczyk clocks = <&dpll_core_m4_ck>; 422bd691ce0SGrzegorz Jaszczyk clock-names = "fck"; 423bd691ce0SGrzegorz Jaszczyk bus_freq = <1000000>; 424bd691ce0SGrzegorz Jaszczyk #address-cells = <1>; 425bd691ce0SGrzegorz Jaszczyk #size-cells = <0>; 426bd691ce0SGrzegorz Jaszczyk }; 427bd691ce0SGrzegorz Jaszczyk }; 428bd691ce0SGrzegorz Jaszczyk 429bd691ce0SGrzegorz Jaszczyk - | 430bd691ce0SGrzegorz Jaszczyk 431bd691ce0SGrzegorz Jaszczyk /* Example 2 AM43xx PRU-ICSS with PRUSS1 node */ 432bd691ce0SGrzegorz Jaszczyk #include <dt-bindings/interrupt-controller/arm-gic.h> 433bd691ce0SGrzegorz Jaszczyk pruss1: pruss@0 { 434bd691ce0SGrzegorz Jaszczyk compatible = "ti,am4376-pruss1"; 435bd691ce0SGrzegorz Jaszczyk reg = <0x0 0x40000>; 436bd691ce0SGrzegorz Jaszczyk #address-cells = <1>; 437bd691ce0SGrzegorz Jaszczyk #size-cells = <1>; 438bd691ce0SGrzegorz Jaszczyk ranges; 439bd691ce0SGrzegorz Jaszczyk 440bd691ce0SGrzegorz Jaszczyk pruss1_mem: memories@0 { 441bd691ce0SGrzegorz Jaszczyk reg = <0x0 0x2000>, 442bd691ce0SGrzegorz Jaszczyk <0x2000 0x2000>, 443bd691ce0SGrzegorz Jaszczyk <0x10000 0x8000>; 444bd691ce0SGrzegorz Jaszczyk reg-names = "dram0", "dram1", "shrdram2"; 445bd691ce0SGrzegorz Jaszczyk }; 446bd691ce0SGrzegorz Jaszczyk 447bd691ce0SGrzegorz Jaszczyk pruss1_cfg: cfg@26000 { 448bd691ce0SGrzegorz Jaszczyk compatible = "ti,pruss-cfg", "syscon"; 44925bafac9SGrzegorz Jaszczyk #address-cells = <1>; 45025bafac9SGrzegorz Jaszczyk #size-cells = <1>; 451bd691ce0SGrzegorz Jaszczyk reg = <0x26000 0x2000>; 45225bafac9SGrzegorz Jaszczyk ranges = <0x00 0x26000 0x2000>; 45325bafac9SGrzegorz Jaszczyk 45425bafac9SGrzegorz Jaszczyk clocks { 45525bafac9SGrzegorz Jaszczyk #address-cells = <1>; 45625bafac9SGrzegorz Jaszczyk #size-cells = <0>; 45725bafac9SGrzegorz Jaszczyk 45825bafac9SGrzegorz Jaszczyk pruss1_iepclk_mux: iepclk-mux@30 { 45925bafac9SGrzegorz Jaszczyk reg = <0x30>; 46025bafac9SGrzegorz Jaszczyk #clock-cells = <0>; 46125bafac9SGrzegorz Jaszczyk clocks = <&sysclk_div>, /* icss_iep */ 46225bafac9SGrzegorz Jaszczyk <&pruss_ocp_gclk>; /* icss_ocp */ 46325bafac9SGrzegorz Jaszczyk }; 46425bafac9SGrzegorz Jaszczyk }; 465bd691ce0SGrzegorz Jaszczyk }; 466bd691ce0SGrzegorz Jaszczyk 467bd691ce0SGrzegorz Jaszczyk pruss1_mii_rt: mii-rt@32000 { 468bd691ce0SGrzegorz Jaszczyk compatible = "ti,pruss-mii", "syscon"; 469bd691ce0SGrzegorz Jaszczyk reg = <0x32000 0x58>; 470bd691ce0SGrzegorz Jaszczyk }; 471bd691ce0SGrzegorz Jaszczyk 472822be879SGrzegorz Jaszczyk pruss1_intc: interrupt-controller@20000 { 473822be879SGrzegorz Jaszczyk compatible = "ti,pruss-intc"; 474822be879SGrzegorz Jaszczyk reg = <0x20000 0x2000>; 475822be879SGrzegorz Jaszczyk interrupt-controller; 476822be879SGrzegorz Jaszczyk #interrupt-cells = <3>; 477822be879SGrzegorz Jaszczyk interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>, 478822be879SGrzegorz Jaszczyk <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>, 479822be879SGrzegorz Jaszczyk <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>, 480822be879SGrzegorz Jaszczyk <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>, 481822be879SGrzegorz Jaszczyk <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>, 482822be879SGrzegorz Jaszczyk <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>, 483822be879SGrzegorz Jaszczyk <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>; 484822be879SGrzegorz Jaszczyk interrupt-names = "host_intr0", "host_intr1", 485822be879SGrzegorz Jaszczyk "host_intr2", "host_intr3", 486822be879SGrzegorz Jaszczyk "host_intr4", 487822be879SGrzegorz Jaszczyk "host_intr6", "host_intr7"; 488822be879SGrzegorz Jaszczyk ti,irqs-reserved = /bits/ 8 <0x20>; /* BIT(5) */ 489822be879SGrzegorz Jaszczyk }; 490822be879SGrzegorz Jaszczyk 491822be879SGrzegorz Jaszczyk pru1_0: pru@34000 { 492822be879SGrzegorz Jaszczyk compatible = "ti,am4376-pru"; 493822be879SGrzegorz Jaszczyk reg = <0x34000 0x3000>, 494822be879SGrzegorz Jaszczyk <0x22000 0x400>, 495822be879SGrzegorz Jaszczyk <0x22400 0x100>; 496822be879SGrzegorz Jaszczyk reg-names = "iram", "control", "debug"; 497822be879SGrzegorz Jaszczyk firmware-name = "am437x-pru1_0-fw"; 498822be879SGrzegorz Jaszczyk }; 499822be879SGrzegorz Jaszczyk 500822be879SGrzegorz Jaszczyk pru1_1: pru@38000 { 501822be879SGrzegorz Jaszczyk compatible = "ti,am4376-pru"; 502822be879SGrzegorz Jaszczyk reg = <0x38000 0x3000>, 503822be879SGrzegorz Jaszczyk <0x24000 0x400>, 504822be879SGrzegorz Jaszczyk <0x24400 0x100>; 505822be879SGrzegorz Jaszczyk reg-names = "iram", "control", "debug"; 506822be879SGrzegorz Jaszczyk firmware-name = "am437x-pru1_1-fw"; 507822be879SGrzegorz Jaszczyk }; 508822be879SGrzegorz Jaszczyk 509bd691ce0SGrzegorz Jaszczyk pruss1_mdio: mdio@32400 { 510bd691ce0SGrzegorz Jaszczyk compatible = "ti,davinci_mdio"; 511bd691ce0SGrzegorz Jaszczyk reg = <0x32400 0x90>; 512bd691ce0SGrzegorz Jaszczyk clocks = <&dpll_core_m4_ck>; 513bd691ce0SGrzegorz Jaszczyk clock-names = "fck"; 514bd691ce0SGrzegorz Jaszczyk bus_freq = <1000000>; 515bd691ce0SGrzegorz Jaszczyk #address-cells = <1>; 516bd691ce0SGrzegorz Jaszczyk #size-cells = <0>; 517bd691ce0SGrzegorz Jaszczyk }; 518bd691ce0SGrzegorz Jaszczyk }; 519bd691ce0SGrzegorz Jaszczyk 520bd691ce0SGrzegorz Jaszczyk... 521