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_i2c1_pins_default: main-i2c1-pins-default { 158 pinctrl-single,pins = < 159 AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */ 160 AM64X_IOPAD(0x026c, PIN_INPUT_PULLUP, 0) /* (B19) I2C1_SDA */ 161 >; 162 }; 163 164 mdio1_pins_default: mdio1-pins-default { 165 pinctrl-single,pins = < 166 AM64X_IOPAD(0x01fc, PIN_OUTPUT, 4) /* (R2) PRG0_PRU1_GPO19.MDIO0_MDC */ 167 AM64X_IOPAD(0x01f8, PIN_INPUT, 4) /* (P5) PRG0_PRU1_GPO18.MDIO0_MDIO */ 168 >; 169 }; 170 171 rgmii1_pins_default: rgmii1-pins-default { 172 pinctrl-single,pins = < 173 AM64X_IOPAD(0x01cc, PIN_INPUT, 4) /* (W5) PRG0_PRU1_GPO7.RGMII1_RD0 */ 174 AM64X_IOPAD(0x01d4, PIN_INPUT, 4) /* (Y5) PRG0_PRU1_GPO9.RGMII1_RD1 */ 175 AM64X_IOPAD(0x01d8, PIN_INPUT, 4) /* (V6) PRG0_PRU1_GPO10.RGMII1_RD2 */ 176 AM64X_IOPAD(0x01f4, PIN_INPUT, 4) /* (V5) PRG0_PRU1_GPO17.RGMII1_RD3 */ 177 AM64X_IOPAD(0x0188, PIN_INPUT, 4) /* (AA5) PRG0_PRU0_GPO10.RGMII1_RXC */ 178 AM64X_IOPAD(0x0184, PIN_INPUT, 4) /* (W6) PRG0_PRU0_GPO9.RGMII1_RX_CTL */ 179 AM64X_IOPAD(0x0124, PIN_OUTPUT, 4) /* (V15) PRG1_PRU1_GPO7.RGMII1_TD0 */ 180 AM64X_IOPAD(0x012c, PIN_OUTPUT, 4) /* (V14) PRG1_PRU1_GPO9.RGMII1_TD1 */ 181 AM64X_IOPAD(0x0130, PIN_OUTPUT, 4) /* (W14) PRG1_PRU1_GPO10.RGMII1_TD2 */ 182 AM64X_IOPAD(0x014c, PIN_OUTPUT, 4) /* (AA14) PRG1_PRU1_GPO17.RGMII1_TD3 */ 183 AM64X_IOPAD(0x00e0, PIN_OUTPUT, 4) /* (U14) PRG1_PRU0_GPO10.RGMII1_TXC */ 184 AM64X_IOPAD(0x00dc, PIN_OUTPUT, 4) /* (U15) PRG1_PRU0_GPO9.RGMII1_TX_CTL */ 185 >; 186 }; 187 188 rgmii2_pins_default: rgmii2-pins-default { 189 pinctrl-single,pins = < 190 AM64X_IOPAD(0x0108, PIN_INPUT, 4) /* (W11) PRG1_PRU1_GPO0.RGMII2_RD0 */ 191 AM64X_IOPAD(0x010c, PIN_INPUT, 4) /* (V11) PRG1_PRU1_GPO1.RGMII2_RD1 */ 192 AM64X_IOPAD(0x0110, PIN_INPUT, 4) /* (AA12) PRG1_PRU1_GPO2.RGMII2_RD2 */ 193 AM64X_IOPAD(0x0114, PIN_INPUT, 4) /* (Y12) PRG1_PRU1_GPO3.RGMII2_RD3 */ 194 AM64X_IOPAD(0x0120, PIN_INPUT, 4) /* (U11) PRG1_PRU1_GPO6.RGMII2_RXC */ 195 AM64X_IOPAD(0x0118, PIN_INPUT, 4) /* (W12) PRG1_PRU1_GPO4.RGMII2_RX_CTL */ 196 AM64X_IOPAD(0x0134, PIN_OUTPUT, 4) /* (AA10) PRG1_PRU1_GPO11.RGMII2_TD0 */ 197 AM64X_IOPAD(0x0138, PIN_OUTPUT, 4) /* (V10) PRG1_PRU1_GPO12.RGMII2_TD1 */ 198 AM64X_IOPAD(0x013c, PIN_OUTPUT, 4) /* (U10) PRG1_PRU1_GPO13.RGMII2_TD2 */ 199 AM64X_IOPAD(0x0140, PIN_OUTPUT, 4) /* (AA11) PRG1_PRU1_GPO14.RGMII2_TD3 */ 200 AM64X_IOPAD(0x0148, PIN_OUTPUT, 4) /* (Y10) PRG1_PRU1_GPO16.RGMII2_TXC */ 201 AM64X_IOPAD(0x0144, PIN_OUTPUT, 4) /* (Y11) PRG1_PRU1_GPO15.RGMII2_TX_CTL */ 202 >; 203 }; 204}; 205 206&main_uart0 { 207 pinctrl-names = "default"; 208 pinctrl-0 = <&main_uart0_pins_default>; 209}; 210 211/* main_uart1 is reserved for firmware usage */ 212&main_uart1 { 213 status = "reserved"; 214}; 215 216&main_uart2 { 217 status = "disabled"; 218}; 219 220&main_uart3 { 221 status = "disabled"; 222}; 223 224&main_uart4 { 225 status = "disabled"; 226}; 227 228&main_uart5 { 229 status = "disabled"; 230}; 231 232&main_uart6 { 233 status = "disabled"; 234}; 235 236&mcu_uart0 { 237 status = "disabled"; 238}; 239 240&mcu_uart1 { 241 status = "disabled"; 242}; 243 244&main_i2c1 { 245 pinctrl-names = "default"; 246 pinctrl-0 = <&main_i2c1_pins_default>; 247 clock-frequency = <400000>; 248 249 exp1: gpio@22 { 250 compatible = "ti,tca6424"; 251 reg = <0x22>; 252 gpio-controller; 253 #gpio-cells = <2>; 254 gpio-line-names = "GPIO_eMMC_RSTn", "CAN_MUX_SEL", 255 "GPIO_CPSW1_RST", "GPIO_RGMII1_RST", 256 "GPIO_RGMII2_RST", "GPIO_PCIe_RST_OUT", 257 "MMC1_SD_EN", "FSI_FET_SEL", 258 "MCAN0_STB_3V3", "MCAN1_STB_3V3", 259 "CPSW_FET_SEL", "CPSW_FET2_SEL", 260 "PRG1_RGMII2_FET_SEL", "TEST_GPIO2", 261 "GPIO_OLED_RESETn", "VPP_LDO_EN", 262 "TEST_LED1", "TP92", "TP90", "TP88", 263 "TP87", "TP86", "TP89", "TP91"; 264 }; 265 266 /* osd9616p0899-10 */ 267 display@3c { 268 compatible = "solomon,ssd1306fb-i2c"; 269 reg = <0x3c>; 270 reset-gpios = <&exp1 14 GPIO_ACTIVE_LOW>; 271 vbat-supply = <&vddb>; 272 solomon,height = <16>; 273 solomon,width = <96>; 274 solomon,com-seq; 275 solomon,com-invdir; 276 solomon,page-offset = <0>; 277 solomon,prechargep1 = <2>; 278 solomon,prechargep2 = <13>; 279 }; 280}; 281 282&mcu_i2c0 { 283 status = "disabled"; 284}; 285 286&mcu_i2c1 { 287 status = "disabled"; 288}; 289 290&mcu_spi0 { 291 status = "disabled"; 292}; 293 294&mcu_spi1 { 295 status = "disabled"; 296}; 297 298&cpsw3g { 299 pinctrl-names = "default"; 300 pinctrl-0 = <&mdio1_pins_default 301 &rgmii1_pins_default 302 &rgmii2_pins_default>; 303}; 304 305&cpsw_port1 { 306 phy-mode = "rgmii-rxid"; 307 phy-handle = <&cpsw3g_phy0>; 308}; 309 310&cpsw_port2 { 311 phy-mode = "rgmii-rxid"; 312 phy-handle = <&cpsw3g_phy3>; 313}; 314 315&cpsw3g_mdio { 316 cpsw3g_phy0: ethernet-phy@0 { 317 reg = <0>; 318 ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; 319 ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; 320 }; 321}; 322 323&sdhci0 { 324 /* emmc */ 325 bus-width = <8>; 326 non-removable; 327 ti,driver-strength-ohm = <50>; 328 disable-wp; 329}; 330 331&sdhci1 { 332 /* SD/MMC */ 333 vmmc-supply = <&vdd_mmc1>; 334 pinctrl-names = "default"; 335 bus-width = <4>; 336 pinctrl-0 = <&main_mmc1_pins_default>; 337 ti,driver-strength-ohm = <50>; 338 disable-wp; 339}; 340