1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/ 4 */ 5 6/dts-v1/; 7 8#include <dt-bindings/leds/common.h> 9#include <dt-bindings/gpio/gpio.h> 10#include <dt-bindings/net/ti-dp83867.h> 11#include "k3-am642.dtsi" 12 13/ { 14 compatible = "ti,am642-evm", "ti,am642"; 15 model = "Texas Instruments AM642 EVM"; 16 17 chosen { 18 stdout-path = "serial2:115200n8"; 19 bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000"; 20 }; 21 22 memory@80000000 { 23 device_type = "memory"; 24 /* 2G RAM */ 25 reg = <0x00000000 0x80000000 0x00000000 0x80000000>; 26 27 }; 28 29 reserved-memory { 30 #address-cells = <2>; 31 #size-cells = <2>; 32 ranges; 33 34 secure_ddr: optee@9e800000 { 35 reg = <0x00 0x9e800000 0x00 0x01800000>; /* for OP-TEE */ 36 alignment = <0x1000>; 37 no-map; 38 }; 39 }; 40 41 evm_12v0: fixedregulator-evm12v0 { 42 /* main DC jack */ 43 compatible = "regulator-fixed"; 44 regulator-name = "evm_12v0"; 45 regulator-min-microvolt = <12000000>; 46 regulator-max-microvolt = <12000000>; 47 regulator-always-on; 48 regulator-boot-on; 49 }; 50 51 vsys_5v0: fixedregulator-vsys5v0 { 52 /* output of LM5140 */ 53 compatible = "regulator-fixed"; 54 regulator-name = "vsys_5v0"; 55 regulator-min-microvolt = <5000000>; 56 regulator-max-microvolt = <5000000>; 57 vin-supply = <&evm_12v0>; 58 regulator-always-on; 59 regulator-boot-on; 60 }; 61 62 vsys_3v3: fixedregulator-vsys3v3 { 63 /* output of LM5140 */ 64 compatible = "regulator-fixed"; 65 regulator-name = "vsys_3v3"; 66 regulator-min-microvolt = <3300000>; 67 regulator-max-microvolt = <3300000>; 68 vin-supply = <&evm_12v0>; 69 regulator-always-on; 70 regulator-boot-on; 71 }; 72 73 vdd_mmc1: fixed-regulator-sd { 74 /* TPS2051BD */ 75 compatible = "regulator-fixed"; 76 regulator-name = "vdd_mmc1"; 77 regulator-min-microvolt = <3300000>; 78 regulator-max-microvolt = <3300000>; 79 regulator-boot-on; 80 enable-active-high; 81 vin-supply = <&vsys_3v3>; 82 gpio = <&exp1 6 GPIO_ACTIVE_HIGH>; 83 }; 84 85 vddb: fixedregulator-vddb { 86 compatible = "regulator-fixed"; 87 regulator-name = "vddb_3v3_display"; 88 regulator-min-microvolt = <3300000>; 89 regulator-max-microvolt = <3300000>; 90 vin-supply = <&vsys_3v3>; 91 regulator-always-on; 92 regulator-boot-on; 93 }; 94 95 leds { 96 compatible = "gpio-leds"; 97 98 led-0 { 99 label = "am64-evm:red:heartbeat"; 100 gpios = <&exp1 16 GPIO_ACTIVE_HIGH>; 101 linux,default-trigger = "heartbeat"; 102 function = LED_FUNCTION_HEARTBEAT; 103 default-state = "off"; 104 }; 105 }; 106 107 mdio_mux: mux-controller { 108 compatible = "gpio-mux"; 109 #mux-control-cells = <0>; 110 111 mux-gpios = <&exp1 12 GPIO_ACTIVE_HIGH>; 112 }; 113 114 mdio-mux-1 { 115 compatible = "mdio-mux-multiplexer"; 116 mux-controls = <&mdio_mux>; 117 mdio-parent-bus = <&cpsw3g_mdio>; 118 #address-cells = <1>; 119 #size-cells = <0>; 120 121 mdio@1 { 122 reg = <0x1>; 123 #address-cells = <1>; 124 #size-cells = <0>; 125 126 cpsw3g_phy3: ethernet-phy@3 { 127 reg = <3>; 128 }; 129 }; 130 }; 131}; 132 133&main_pmx0 { 134 main_mmc1_pins_default: main-mmc1-pins-default { 135 pinctrl-single,pins = < 136 AM64X_IOPAD(0x0294, PIN_INPUT_PULLUP, 0) /* (J19) MMC1_CMD */ 137 AM64X_IOPAD(0x028c, PIN_INPUT_PULLDOWN, 0) /* (L20) MMC1_CLK */ 138 AM64X_IOPAD(0x0288, PIN_INPUT_PULLUP, 0) /* (K21) MMC1_DAT0 */ 139 AM64X_IOPAD(0x0284, PIN_INPUT_PULLUP, 0) /* (L21) MMC1_DAT1 */ 140 AM64X_IOPAD(0x0280, PIN_INPUT_PULLUP, 0) /* (K19) MMC1_DAT2 */ 141 AM64X_IOPAD(0x027c, PIN_INPUT_PULLUP, 0) /* (K18) MMC1_DAT3 */ 142 AM64X_IOPAD(0x0298, PIN_INPUT_PULLUP, 0) /* (D19) MMC1_SDCD */ 143 AM64X_IOPAD(0x029c, PIN_INPUT, 0) /* (C20) MMC1_SDWP */ 144 AM64X_IOPAD(0x0290, PIN_INPUT, 0) /* MMC1_CLKLB */ 145 >; 146 }; 147 148 main_uart0_pins_default: main-uart0-pins-default { 149 pinctrl-single,pins = < 150 AM64X_IOPAD(0x0238, PIN_INPUT, 0) /* (B16) UART0_CTSn */ 151 AM64X_IOPAD(0x023c, PIN_OUTPUT, 0) /* (A16) UART0_RTSn */ 152 AM64X_IOPAD(0x0230, PIN_INPUT, 0) /* (D15) UART0_RXD */ 153 AM64X_IOPAD(0x0234, PIN_OUTPUT, 0) /* (C16) UART0_TXD */ 154 >; 155 }; 156 157 main_spi0_pins_default: main-spi0-pins-default { 158 pinctrl-single,pins = < 159 AM64X_IOPAD(0x0210, PIN_INPUT, 0) /* (D13) SPI0_CLK */ 160 AM64X_IOPAD(0x0208, PIN_OUTPUT, 0) /* (D12) SPI0_CS0 */ 161 AM64X_IOPAD(0x0214, PIN_OUTPUT, 0) /* (A13) SPI0_D0 */ 162 AM64X_IOPAD(0x0218, PIN_INPUT, 0) /* (A14) SPI0_D1 */ 163 >; 164 }; 165 166 main_i2c1_pins_default: main-i2c1-pins-default { 167 pinctrl-single,pins = < 168 AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */ 169 AM64X_IOPAD(0x026c, PIN_INPUT_PULLUP, 0) /* (B19) I2C1_SDA */ 170 >; 171 }; 172 173 mdio1_pins_default: mdio1-pins-default { 174 pinctrl-single,pins = < 175 AM64X_IOPAD(0x01fc, PIN_OUTPUT, 4) /* (R2) PRG0_PRU1_GPO19.MDIO0_MDC */ 176 AM64X_IOPAD(0x01f8, PIN_INPUT, 4) /* (P5) PRG0_PRU1_GPO18.MDIO0_MDIO */ 177 >; 178 }; 179 180 rgmii1_pins_default: rgmii1-pins-default { 181 pinctrl-single,pins = < 182 AM64X_IOPAD(0x01cc, PIN_INPUT, 4) /* (W5) PRG0_PRU1_GPO7.RGMII1_RD0 */ 183 AM64X_IOPAD(0x01d4, PIN_INPUT, 4) /* (Y5) PRG0_PRU1_GPO9.RGMII1_RD1 */ 184 AM64X_IOPAD(0x01d8, PIN_INPUT, 4) /* (V6) PRG0_PRU1_GPO10.RGMII1_RD2 */ 185 AM64X_IOPAD(0x01f4, PIN_INPUT, 4) /* (V5) PRG0_PRU1_GPO17.RGMII1_RD3 */ 186 AM64X_IOPAD(0x0188, PIN_INPUT, 4) /* (AA5) PRG0_PRU0_GPO10.RGMII1_RXC */ 187 AM64X_IOPAD(0x0184, PIN_INPUT, 4) /* (W6) PRG0_PRU0_GPO9.RGMII1_RX_CTL */ 188 AM64X_IOPAD(0x0124, PIN_OUTPUT, 4) /* (V15) PRG1_PRU1_GPO7.RGMII1_TD0 */ 189 AM64X_IOPAD(0x012c, PIN_OUTPUT, 4) /* (V14) PRG1_PRU1_GPO9.RGMII1_TD1 */ 190 AM64X_IOPAD(0x0130, PIN_OUTPUT, 4) /* (W14) PRG1_PRU1_GPO10.RGMII1_TD2 */ 191 AM64X_IOPAD(0x014c, PIN_OUTPUT, 4) /* (AA14) PRG1_PRU1_GPO17.RGMII1_TD3 */ 192 AM64X_IOPAD(0x00e0, PIN_OUTPUT, 4) /* (U14) PRG1_PRU0_GPO10.RGMII1_TXC */ 193 AM64X_IOPAD(0x00dc, PIN_OUTPUT, 4) /* (U15) PRG1_PRU0_GPO9.RGMII1_TX_CTL */ 194 >; 195 }; 196 197 rgmii2_pins_default: rgmii2-pins-default { 198 pinctrl-single,pins = < 199 AM64X_IOPAD(0x0108, PIN_INPUT, 4) /* (W11) PRG1_PRU1_GPO0.RGMII2_RD0 */ 200 AM64X_IOPAD(0x010c, PIN_INPUT, 4) /* (V11) PRG1_PRU1_GPO1.RGMII2_RD1 */ 201 AM64X_IOPAD(0x0110, PIN_INPUT, 4) /* (AA12) PRG1_PRU1_GPO2.RGMII2_RD2 */ 202 AM64X_IOPAD(0x0114, PIN_INPUT, 4) /* (Y12) PRG1_PRU1_GPO3.RGMII2_RD3 */ 203 AM64X_IOPAD(0x0120, PIN_INPUT, 4) /* (U11) PRG1_PRU1_GPO6.RGMII2_RXC */ 204 AM64X_IOPAD(0x0118, PIN_INPUT, 4) /* (W12) PRG1_PRU1_GPO4.RGMII2_RX_CTL */ 205 AM64X_IOPAD(0x0134, PIN_OUTPUT, 4) /* (AA10) PRG1_PRU1_GPO11.RGMII2_TD0 */ 206 AM64X_IOPAD(0x0138, PIN_OUTPUT, 4) /* (V10) PRG1_PRU1_GPO12.RGMII2_TD1 */ 207 AM64X_IOPAD(0x013c, PIN_OUTPUT, 4) /* (U10) PRG1_PRU1_GPO13.RGMII2_TD2 */ 208 AM64X_IOPAD(0x0140, PIN_OUTPUT, 4) /* (AA11) PRG1_PRU1_GPO14.RGMII2_TD3 */ 209 AM64X_IOPAD(0x0148, PIN_OUTPUT, 4) /* (Y10) PRG1_PRU1_GPO16.RGMII2_TXC */ 210 AM64X_IOPAD(0x0144, PIN_OUTPUT, 4) /* (Y11) PRG1_PRU1_GPO15.RGMII2_TX_CTL */ 211 >; 212 }; 213 214 main_usb0_pins_default: main-usb0-pins-default { 215 pinctrl-single,pins = < 216 AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */ 217 >; 218 }; 219 220 ospi0_pins_default: ospi0-pins-default { 221 pinctrl-single,pins = < 222 AM64X_IOPAD(0x0000, PIN_OUTPUT, 0) /* (N20) OSPI0_CLK */ 223 AM64X_IOPAD(0x002c, PIN_OUTPUT, 0) /* (L19) OSPI0_CSn0 */ 224 AM64X_IOPAD(0x000c, PIN_INPUT, 0) /* (M19) OSPI0_D0 */ 225 AM64X_IOPAD(0x0010, PIN_INPUT, 0) /* (M18) OSPI0_D1 */ 226 AM64X_IOPAD(0x0014, PIN_INPUT, 0) /* (M20) OSPI0_D2 */ 227 AM64X_IOPAD(0x0018, PIN_INPUT, 0) /* (M21) OSPI0_D3 */ 228 AM64X_IOPAD(0x001c, PIN_INPUT, 0) /* (P21) OSPI0_D4 */ 229 AM64X_IOPAD(0x0020, PIN_INPUT, 0) /* (P20) OSPI0_D5 */ 230 AM64X_IOPAD(0x0024, PIN_INPUT, 0) /* (N18) OSPI0_D6 */ 231 AM64X_IOPAD(0x0028, PIN_INPUT, 0) /* (M17) OSPI0_D7 */ 232 AM64X_IOPAD(0x0008, PIN_INPUT, 0) /* (N19) OSPI0_DQS */ 233 >; 234 }; 235}; 236 237&main_uart0 { 238 pinctrl-names = "default"; 239 pinctrl-0 = <&main_uart0_pins_default>; 240}; 241 242/* main_uart1 is reserved for firmware usage */ 243&main_uart1 { 244 status = "reserved"; 245}; 246 247&main_uart2 { 248 status = "disabled"; 249}; 250 251&main_uart3 { 252 status = "disabled"; 253}; 254 255&main_uart4 { 256 status = "disabled"; 257}; 258 259&main_uart5 { 260 status = "disabled"; 261}; 262 263&main_uart6 { 264 status = "disabled"; 265}; 266 267&mcu_uart0 { 268 status = "disabled"; 269}; 270 271&mcu_uart1 { 272 status = "disabled"; 273}; 274 275&main_i2c1 { 276 pinctrl-names = "default"; 277 pinctrl-0 = <&main_i2c1_pins_default>; 278 clock-frequency = <400000>; 279 280 exp1: gpio@22 { 281 compatible = "ti,tca6424"; 282 reg = <0x22>; 283 gpio-controller; 284 #gpio-cells = <2>; 285 gpio-line-names = "GPIO_eMMC_RSTn", "CAN_MUX_SEL", 286 "GPIO_CPSW1_RST", "GPIO_RGMII1_RST", 287 "GPIO_RGMII2_RST", "GPIO_PCIe_RST_OUT", 288 "MMC1_SD_EN", "FSI_FET_SEL", 289 "MCAN0_STB_3V3", "MCAN1_STB_3V3", 290 "CPSW_FET_SEL", "CPSW_FET2_SEL", 291 "PRG1_RGMII2_FET_SEL", "TEST_GPIO2", 292 "GPIO_OLED_RESETn", "VPP_LDO_EN", 293 "TEST_LED1", "TP92", "TP90", "TP88", 294 "TP87", "TP86", "TP89", "TP91"; 295 }; 296 297 /* osd9616p0899-10 */ 298 display@3c { 299 compatible = "solomon,ssd1306fb-i2c"; 300 reg = <0x3c>; 301 reset-gpios = <&exp1 14 GPIO_ACTIVE_LOW>; 302 vbat-supply = <&vddb>; 303 solomon,height = <16>; 304 solomon,width = <96>; 305 solomon,com-seq; 306 solomon,com-invdir; 307 solomon,page-offset = <0>; 308 solomon,prechargep1 = <2>; 309 solomon,prechargep2 = <13>; 310 }; 311}; 312 313/* mcu_gpio0 is reserved for mcu firmware usage */ 314&mcu_gpio0 { 315 status = "reserved"; 316}; 317 318&mcu_i2c0 { 319 status = "disabled"; 320}; 321 322&mcu_i2c1 { 323 status = "disabled"; 324}; 325 326&mcu_spi0 { 327 status = "disabled"; 328}; 329 330&mcu_spi1 { 331 status = "disabled"; 332}; 333 334&main_spi0 { 335 pinctrl-names = "default"; 336 pinctrl-0 = <&main_spi0_pins_default>; 337 ti,pindir-d0-out-d1-in = <1>; 338 eeprom@0 { 339 compatible = "microchip,93lc46b"; 340 reg = <0>; 341 spi-max-frequency = <1000000>; 342 spi-cs-high; 343 data-size = <16>; 344 }; 345}; 346 347&sdhci0 { 348 /* emmc */ 349 bus-width = <8>; 350 non-removable; 351 ti,driver-strength-ohm = <50>; 352 disable-wp; 353}; 354 355&sdhci1 { 356 /* SD/MMC */ 357 vmmc-supply = <&vdd_mmc1>; 358 pinctrl-names = "default"; 359 bus-width = <4>; 360 pinctrl-0 = <&main_mmc1_pins_default>; 361 ti,driver-strength-ohm = <50>; 362 disable-wp; 363}; 364 365&usbss0 { 366 ti,vbus-divider; 367 ti,usb2-only; 368}; 369 370&usb0 { 371 dr_mode = "otg"; 372 maximum-speed = "high-speed"; 373 pinctrl-names = "default"; 374 pinctrl-0 = <&main_usb0_pins_default>; 375}; 376 377&cpsw3g { 378 pinctrl-names = "default"; 379 pinctrl-0 = <&mdio1_pins_default 380 &rgmii1_pins_default 381 &rgmii2_pins_default>; 382}; 383 384&cpsw_port1 { 385 phy-mode = "rgmii-rxid"; 386 phy-handle = <&cpsw3g_phy0>; 387}; 388 389&cpsw_port2 { 390 phy-mode = "rgmii-rxid"; 391 phy-handle = <&cpsw3g_phy3>; 392}; 393 394&cpsw3g_mdio { 395 cpsw3g_phy0: ethernet-phy@0 { 396 reg = <0>; 397 ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; 398 ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; 399 }; 400}; 401 402&tscadc0 { 403 /* ADC is reserved for R5 usage */ 404 status = "reserved"; 405}; 406 407&ospi0 { 408 pinctrl-names = "default"; 409 pinctrl-0 = <&ospi0_pins_default>; 410 411 flash@0{ 412 compatible = "jedec,spi-nor"; 413 reg = <0x0>; 414 spi-tx-bus-width = <8>; 415 spi-rx-bus-width = <8>; 416 spi-max-frequency = <25000000>; 417 cdns,tshsl-ns = <60>; 418 cdns,tsd2d-ns = <60>; 419 cdns,tchsh-ns = <60>; 420 cdns,tslch-ns = <60>; 421 cdns,read-delay = <4>; 422 #address-cells = <1>; 423 #size-cells = <1>; 424 }; 425}; 426 427&mailbox0_cluster2 { 428 mbox_main_r5fss0_core0: mbox-main-r5fss0-core0 { 429 ti,mbox-rx = <0 0 2>; 430 ti,mbox-tx = <1 0 2>; 431 }; 432 433 mbox_main_r5fss0_core1: mbox-main-r5fss0-core1 { 434 ti,mbox-rx = <2 0 2>; 435 ti,mbox-tx = <3 0 2>; 436 }; 437}; 438 439&mailbox0_cluster3 { 440 status = "disabled"; 441}; 442 443&mailbox0_cluster4 { 444 mbox_main_r5fss1_core0: mbox-main-r5fss1-core0 { 445 ti,mbox-rx = <0 0 2>; 446 ti,mbox-tx = <1 0 2>; 447 }; 448 449 mbox_main_r5fss1_core1: mbox-main-r5fss1-core1 { 450 ti,mbox-rx = <2 0 2>; 451 ti,mbox-tx = <3 0 2>; 452 }; 453}; 454 455&mailbox0_cluster5 { 456 status = "disabled"; 457}; 458 459&mailbox0_cluster6 { 460 mbox_m4_0: mbox-m4-0 { 461 ti,mbox-rx = <0 0 2>; 462 ti,mbox-tx = <1 0 2>; 463 }; 464}; 465 466&mailbox0_cluster7 { 467 status = "disabled"; 468}; 469