18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 28c2ecf20Sopenharmony_ci%YAML 1.2 38c2ecf20Sopenharmony_ci--- 48c2ecf20Sopenharmony_ci$id: http://devicetree.org/schemas/net/ti,k3-am654-cpsw-nuss.yaml# 58c2ecf20Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml# 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_cititle: The TI AM654x/J721E SoC Gigabit Ethernet MAC (Media Access Controller) Device Tree Bindings 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_cimaintainers: 108c2ecf20Sopenharmony_ci - Grygorii Strashko <grygorii.strashko@ti.com> 118c2ecf20Sopenharmony_ci - Sekhar Nori <nsekhar@ti.com> 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_cidescription: 148c2ecf20Sopenharmony_ci The TI AM654x/J721E SoC Gigabit Ethernet MAC (CPSW2G NUSS) has two ports 158c2ecf20Sopenharmony_ci (one external) and provides Ethernet packet communication for the device. 168c2ecf20Sopenharmony_ci CPSW2G NUSS features - the Reduced Gigabit Media Independent Interface (RGMII), 178c2ecf20Sopenharmony_ci Reduced Media Independent Interface (RMII), the Management Data 188c2ecf20Sopenharmony_ci Input/Output (MDIO) interface for physical layer device (PHY) management, 198c2ecf20Sopenharmony_ci new version of Common Platform Time Sync (CPTS), updated Address Lookup 208c2ecf20Sopenharmony_ci Engine (ALE). 218c2ecf20Sopenharmony_ci One external Ethernet port (port 1) with selectable RGMII/RMII interfaces and 228c2ecf20Sopenharmony_ci an internal Communications Port Programming Interface (CPPI5) (Host port 0). 238c2ecf20Sopenharmony_ci Host Port 0 CPPI Packet Streaming Interface interface supports 8 TX channels 248c2ecf20Sopenharmony_ci and one RX channels and operating by TI AM654x/J721E NAVSS Unified DMA 258c2ecf20Sopenharmony_ci Peripheral Root Complex (UDMA-P) controller. 268c2ecf20Sopenharmony_ci The CPSW2G NUSS is integrated into device MCU domain named MCU_CPSW0. 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_ci Additional features 298c2ecf20Sopenharmony_ci priority level Quality Of Service (QOS) support (802.1p) 308c2ecf20Sopenharmony_ci Support for Audio/Video Bridging (P802.1Qav/D6.0) 318c2ecf20Sopenharmony_ci Support for IEEE 1588 Clock Synchronization (2008 Annex D, Annex E and Annex F) 328c2ecf20Sopenharmony_ci Flow Control (802.3x) Support 338c2ecf20Sopenharmony_ci Time Sensitive Network Support 348c2ecf20Sopenharmony_ci IEEE P902.3br/D2.0 Interspersing Express Traffic 358c2ecf20Sopenharmony_ci IEEE 802.1Qbv/D2.2 Enhancements for Scheduled Traffic 368c2ecf20Sopenharmony_ci Configurable number of addresses plus VLANs 378c2ecf20Sopenharmony_ci Configurable number of classifier/policers 388c2ecf20Sopenharmony_ci VLAN support, 802.1Q compliant, Auto add port VLAN for untagged frames on 398c2ecf20Sopenharmony_ci ingress, Auto VLAN removal on egress and auto pad to minimum frame size. 408c2ecf20Sopenharmony_ci RX/TX csum offload 418c2ecf20Sopenharmony_ci 428c2ecf20Sopenharmony_ci Specifications can be found at 438c2ecf20Sopenharmony_ci http://www.ti.com/lit/ug/spruid7e/spruid7e.pdf 448c2ecf20Sopenharmony_ci http://www.ti.com/lit/ug/spruil1a/spruil1a.pdf 458c2ecf20Sopenharmony_ci 468c2ecf20Sopenharmony_ciproperties: 478c2ecf20Sopenharmony_ci "#address-cells": true 488c2ecf20Sopenharmony_ci "#size-cells": true 498c2ecf20Sopenharmony_ci 508c2ecf20Sopenharmony_ci compatible: 518c2ecf20Sopenharmony_ci oneOf: 528c2ecf20Sopenharmony_ci - const: ti,am654-cpsw-nuss 538c2ecf20Sopenharmony_ci - const: ti,j721e-cpsw-nuss 548c2ecf20Sopenharmony_ci 558c2ecf20Sopenharmony_ci reg: 568c2ecf20Sopenharmony_ci maxItems: 1 578c2ecf20Sopenharmony_ci description: 588c2ecf20Sopenharmony_ci The physical base address and size of full the CPSW2G NUSS IO range 598c2ecf20Sopenharmony_ci 608c2ecf20Sopenharmony_ci reg-names: 618c2ecf20Sopenharmony_ci items: 628c2ecf20Sopenharmony_ci - const: cpsw_nuss 638c2ecf20Sopenharmony_ci 648c2ecf20Sopenharmony_ci ranges: true 658c2ecf20Sopenharmony_ci 668c2ecf20Sopenharmony_ci dma-coherent: true 678c2ecf20Sopenharmony_ci 688c2ecf20Sopenharmony_ci clocks: 698c2ecf20Sopenharmony_ci description: CPSW2G NUSS functional clock 708c2ecf20Sopenharmony_ci 718c2ecf20Sopenharmony_ci clock-names: 728c2ecf20Sopenharmony_ci items: 738c2ecf20Sopenharmony_ci - const: fck 748c2ecf20Sopenharmony_ci 758c2ecf20Sopenharmony_ci power-domains: 768c2ecf20Sopenharmony_ci maxItems: 1 778c2ecf20Sopenharmony_ci 788c2ecf20Sopenharmony_ci dmas: 798c2ecf20Sopenharmony_ci maxItems: 9 808c2ecf20Sopenharmony_ci 818c2ecf20Sopenharmony_ci dma-names: 828c2ecf20Sopenharmony_ci items: 838c2ecf20Sopenharmony_ci - const: tx0 848c2ecf20Sopenharmony_ci - const: tx1 858c2ecf20Sopenharmony_ci - const: tx2 868c2ecf20Sopenharmony_ci - const: tx3 878c2ecf20Sopenharmony_ci - const: tx4 888c2ecf20Sopenharmony_ci - const: tx5 898c2ecf20Sopenharmony_ci - const: tx6 908c2ecf20Sopenharmony_ci - const: tx7 918c2ecf20Sopenharmony_ci - const: rx 928c2ecf20Sopenharmony_ci 938c2ecf20Sopenharmony_ci ethernet-ports: 948c2ecf20Sopenharmony_ci type: object 958c2ecf20Sopenharmony_ci properties: 968c2ecf20Sopenharmony_ci '#address-cells': 978c2ecf20Sopenharmony_ci const: 1 988c2ecf20Sopenharmony_ci '#size-cells': 998c2ecf20Sopenharmony_ci const: 0 1008c2ecf20Sopenharmony_ci 1018c2ecf20Sopenharmony_ci patternProperties: 1028c2ecf20Sopenharmony_ci port@1: 1038c2ecf20Sopenharmony_ci type: object 1048c2ecf20Sopenharmony_ci description: CPSW2G NUSS external ports 1058c2ecf20Sopenharmony_ci 1068c2ecf20Sopenharmony_ci $ref: ethernet-controller.yaml# 1078c2ecf20Sopenharmony_ci 1088c2ecf20Sopenharmony_ci properties: 1098c2ecf20Sopenharmony_ci reg: 1108c2ecf20Sopenharmony_ci items: 1118c2ecf20Sopenharmony_ci - const: 1 1128c2ecf20Sopenharmony_ci description: CPSW port number 1138c2ecf20Sopenharmony_ci 1148c2ecf20Sopenharmony_ci phys: 1158c2ecf20Sopenharmony_ci maxItems: 1 1168c2ecf20Sopenharmony_ci description: phandle on phy-gmii-sel PHY 1178c2ecf20Sopenharmony_ci 1188c2ecf20Sopenharmony_ci label: 1198c2ecf20Sopenharmony_ci description: label associated with this port 1208c2ecf20Sopenharmony_ci 1218c2ecf20Sopenharmony_ci ti,mac-only: 1228c2ecf20Sopenharmony_ci $ref: /schemas/types.yaml#definitions/flag 1238c2ecf20Sopenharmony_ci description: 1248c2ecf20Sopenharmony_ci Specifies the port works in mac-only mode. 1258c2ecf20Sopenharmony_ci 1268c2ecf20Sopenharmony_ci ti,syscon-efuse: 1278c2ecf20Sopenharmony_ci $ref: /schemas/types.yaml#definitions/phandle-array 1288c2ecf20Sopenharmony_ci description: 1298c2ecf20Sopenharmony_ci Phandle to the system control device node which provides access 1308c2ecf20Sopenharmony_ci to efuse IO range with MAC addresses 1318c2ecf20Sopenharmony_ci 1328c2ecf20Sopenharmony_ci required: 1338c2ecf20Sopenharmony_ci - reg 1348c2ecf20Sopenharmony_ci - phys 1358c2ecf20Sopenharmony_ci 1368c2ecf20Sopenharmony_ci additionalProperties: false 1378c2ecf20Sopenharmony_ci 1388c2ecf20Sopenharmony_cipatternProperties: 1398c2ecf20Sopenharmony_ci "^mdio@[0-9a-f]+$": 1408c2ecf20Sopenharmony_ci type: object 1418c2ecf20Sopenharmony_ci $ref: "ti,davinci-mdio.yaml#" 1428c2ecf20Sopenharmony_ci 1438c2ecf20Sopenharmony_ci description: 1448c2ecf20Sopenharmony_ci CPSW MDIO bus. 1458c2ecf20Sopenharmony_ci 1468c2ecf20Sopenharmony_ci "^cpts@[0-9a-f]+": 1478c2ecf20Sopenharmony_ci type: object 1488c2ecf20Sopenharmony_ci $ref: "ti,k3-am654-cpts.yaml#" 1498c2ecf20Sopenharmony_ci description: 1508c2ecf20Sopenharmony_ci CPSW Common Platform Time Sync (CPTS) module. 1518c2ecf20Sopenharmony_ci 1528c2ecf20Sopenharmony_cirequired: 1538c2ecf20Sopenharmony_ci - compatible 1548c2ecf20Sopenharmony_ci - reg 1558c2ecf20Sopenharmony_ci - reg-names 1568c2ecf20Sopenharmony_ci - ranges 1578c2ecf20Sopenharmony_ci - clocks 1588c2ecf20Sopenharmony_ci - clock-names 1598c2ecf20Sopenharmony_ci - power-domains 1608c2ecf20Sopenharmony_ci - dmas 1618c2ecf20Sopenharmony_ci - dma-names 1628c2ecf20Sopenharmony_ci - '#address-cells' 1638c2ecf20Sopenharmony_ci - '#size-cells' 1648c2ecf20Sopenharmony_ci 1658c2ecf20Sopenharmony_ciadditionalProperties: false 1668c2ecf20Sopenharmony_ci 1678c2ecf20Sopenharmony_ciexamples: 1688c2ecf20Sopenharmony_ci - | 1698c2ecf20Sopenharmony_ci #include <dt-bindings/pinctrl/k3.h> 1708c2ecf20Sopenharmony_ci #include <dt-bindings/soc/ti,sci_pm_domain.h> 1718c2ecf20Sopenharmony_ci #include <dt-bindings/net/ti-dp83867.h> 1728c2ecf20Sopenharmony_ci #include <dt-bindings/interrupt-controller/irq.h> 1738c2ecf20Sopenharmony_ci #include <dt-bindings/interrupt-controller/arm-gic.h> 1748c2ecf20Sopenharmony_ci 1758c2ecf20Sopenharmony_ci bus { 1768c2ecf20Sopenharmony_ci #address-cells = <2>; 1778c2ecf20Sopenharmony_ci #size-cells = <2>; 1788c2ecf20Sopenharmony_ci 1798c2ecf20Sopenharmony_ci mcu_cpsw: ethernet@46000000 { 1808c2ecf20Sopenharmony_ci compatible = "ti,am654-cpsw-nuss"; 1818c2ecf20Sopenharmony_ci #address-cells = <2>; 1828c2ecf20Sopenharmony_ci #size-cells = <2>; 1838c2ecf20Sopenharmony_ci reg = <0x0 0x46000000 0x0 0x200000>; 1848c2ecf20Sopenharmony_ci reg-names = "cpsw_nuss"; 1858c2ecf20Sopenharmony_ci ranges = <0x0 0x0 0x0 0x46000000 0x0 0x200000>; 1868c2ecf20Sopenharmony_ci dma-coherent; 1878c2ecf20Sopenharmony_ci clocks = <&k3_clks 5 10>; 1888c2ecf20Sopenharmony_ci clock-names = "fck"; 1898c2ecf20Sopenharmony_ci power-domains = <&k3_pds 5 TI_SCI_PD_EXCLUSIVE>; 1908c2ecf20Sopenharmony_ci pinctrl-names = "default"; 1918c2ecf20Sopenharmony_ci pinctrl-0 = <&mcu_cpsw_pins_default &mcu_mdio_pins_default>; 1928c2ecf20Sopenharmony_ci 1938c2ecf20Sopenharmony_ci dmas = <&mcu_udmap 0xf000>, 1948c2ecf20Sopenharmony_ci <&mcu_udmap 0xf001>, 1958c2ecf20Sopenharmony_ci <&mcu_udmap 0xf002>, 1968c2ecf20Sopenharmony_ci <&mcu_udmap 0xf003>, 1978c2ecf20Sopenharmony_ci <&mcu_udmap 0xf004>, 1988c2ecf20Sopenharmony_ci <&mcu_udmap 0xf005>, 1998c2ecf20Sopenharmony_ci <&mcu_udmap 0xf006>, 2008c2ecf20Sopenharmony_ci <&mcu_udmap 0xf007>, 2018c2ecf20Sopenharmony_ci <&mcu_udmap 0x7000>; 2028c2ecf20Sopenharmony_ci dma-names = "tx0", "tx1", "tx2", "tx3", "tx4", "tx5", "tx6", "tx7", 2038c2ecf20Sopenharmony_ci "rx"; 2048c2ecf20Sopenharmony_ci 2058c2ecf20Sopenharmony_ci ethernet-ports { 2068c2ecf20Sopenharmony_ci #address-cells = <1>; 2078c2ecf20Sopenharmony_ci #size-cells = <0>; 2088c2ecf20Sopenharmony_ci 2098c2ecf20Sopenharmony_ci cpsw_port1: port@1 { 2108c2ecf20Sopenharmony_ci reg = <1>; 2118c2ecf20Sopenharmony_ci ti,mac-only; 2128c2ecf20Sopenharmony_ci label = "port1"; 2138c2ecf20Sopenharmony_ci ti,syscon-efuse = <&mcu_conf 0x200>; 2148c2ecf20Sopenharmony_ci phys = <&phy_gmii_sel 1>; 2158c2ecf20Sopenharmony_ci 2168c2ecf20Sopenharmony_ci phy-mode = "rgmii-rxid"; 2178c2ecf20Sopenharmony_ci phy-handle = <&phy0>; 2188c2ecf20Sopenharmony_ci }; 2198c2ecf20Sopenharmony_ci }; 2208c2ecf20Sopenharmony_ci 2218c2ecf20Sopenharmony_ci davinci_mdio: mdio@f00 { 2228c2ecf20Sopenharmony_ci compatible = "ti,cpsw-mdio","ti,davinci_mdio"; 2238c2ecf20Sopenharmony_ci reg = <0x0 0xf00 0x0 0x100>; 2248c2ecf20Sopenharmony_ci #address-cells = <1>; 2258c2ecf20Sopenharmony_ci #size-cells = <0>; 2268c2ecf20Sopenharmony_ci clocks = <&k3_clks 5 10>; 2278c2ecf20Sopenharmony_ci clock-names = "fck"; 2288c2ecf20Sopenharmony_ci bus_freq = <1000000>; 2298c2ecf20Sopenharmony_ci 2308c2ecf20Sopenharmony_ci phy0: ethernet-phy@0 { 2318c2ecf20Sopenharmony_ci reg = <0>; 2328c2ecf20Sopenharmony_ci ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; 2338c2ecf20Sopenharmony_ci ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; 2348c2ecf20Sopenharmony_ci }; 2358c2ecf20Sopenharmony_ci }; 2368c2ecf20Sopenharmony_ci }; 2378c2ecf20Sopenharmony_ci 2388c2ecf20Sopenharmony_ci cpts@3d000 { 2398c2ecf20Sopenharmony_ci compatible = "ti,am65-cpts"; 2408c2ecf20Sopenharmony_ci reg = <0x0 0x3d000 0x0 0x400>; 2418c2ecf20Sopenharmony_ci clocks = <&k3_clks 18 2>; 2428c2ecf20Sopenharmony_ci clock-names = "cpts"; 2438c2ecf20Sopenharmony_ci interrupts-extended = <&gic500 GIC_SPI 858 IRQ_TYPE_LEVEL_HIGH>; 2448c2ecf20Sopenharmony_ci interrupt-names = "cpts"; 2458c2ecf20Sopenharmony_ci ti,cpts-ext-ts-inputs = <4>; 2468c2ecf20Sopenharmony_ci ti,cpts-periodic-outputs = <2>; 2478c2ecf20Sopenharmony_ci }; 2488c2ecf20Sopenharmony_ci }; 249