1// SPDX-License-Identifier: GPL-2.0-only or MIT 2/* 3 * Device Tree file for the AM62L3 Evaluation Module 4 * Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com/ 5 * 6 * Technical Reference Manual: https://www.ti.com/lit/pdf/sprujb4 7 * Data Sheet: https://www.ti.com/lit/pdf/sprspa1 8 */ 9 10/dts-v1/; 11 12#include <dt-bindings/gpio/gpio.h> 13#include <dt-bindings/input/input.h> 14#include <dt-bindings/leds/common.h> 15#include <dt-bindings/net/ti-dp83867.h> 16#include <dt-bindings/thermal/thermal.h> 17#include "k3-am62l3.dtsi" 18#include "k3-pinctrl.h" 19 20/ { 21 compatible = "ti,am62l3-evm", "ti,am62l3"; 22 model = "Texas Instruments AM62L3 Evaluation Module"; 23 24 chosen { 25 stdout-path = &uart0; 26 }; 27 28 memory@80000000 { 29 reg = <0x00000000 0x80000000 0x00000000 0x80000000>; 30 device_type = "memory"; 31 bootph-all; 32 }; 33 34 gpio_keys: gpio-keys { 35 compatible = "gpio-keys"; 36 autorepeat; 37 pinctrl-names = "default"; 38 pinctrl-0 = <&usr_button_pins_default>; 39 40 usr: button-usr { 41 label = "User Key"; 42 linux,code = <BTN_0>; 43 gpios = <&gpio0 90 GPIO_ACTIVE_LOW>; 44 }; 45 }; 46 47 leds { 48 compatible = "gpio-leds"; 49 pinctrl-names = "default"; 50 pinctrl-0 = <&usr_led_pins_default>; 51 52 led-0 { 53 label = "am62-sk:green:heartbeat"; 54 gpios = <&gpio0 123 GPIO_ACTIVE_HIGH>; 55 linux,default-trigger = "heartbeat"; 56 function = LED_FUNCTION_HEARTBEAT; 57 default-state = "on"; 58 }; 59 }; 60 61 thermal-zones { 62 wkup0-thermal { 63 polling-delay-passive = <250>; /* milliSeconds */ 64 polling-delay = <500>; /* milliSeconds */ 65 thermal-sensors = <&vtm0 0>; 66 67 trips { 68 crit0 { 69 temperature = <125000>; 70 hysteresis = <2000>; 71 type = "critical"; 72 }; 73 }; 74 }; 75 }; 76 77 vmain_pd: regulator-0 { 78 /* TPS65988 PD CONTROLLER OUTPUT */ 79 compatible = "regulator-fixed"; 80 regulator-name = "vmain_pd"; 81 regulator-min-microvolt = <5000000>; 82 regulator-max-microvolt = <5000000>; 83 regulator-always-on; 84 regulator-boot-on; 85 bootph-all; 86 }; 87 88 vcc_3v3_sys: regulator-1 { 89 /* output of LM61460-Q1 */ 90 compatible = "regulator-fixed"; 91 regulator-name = "vcc_3v3_sys"; 92 regulator-min-microvolt = <3300000>; 93 regulator-max-microvolt = <3300000>; 94 vin-supply = <&vmain_pd>; 95 regulator-always-on; 96 regulator-boot-on; 97 }; 98 99 vdd_mmc1: regulator-2 { 100 /* TPS22918DBVR */ 101 compatible = "regulator-fixed"; 102 regulator-name = "vdd_mmc1"; 103 regulator-min-microvolt = <3300000>; 104 regulator-max-microvolt = <3300000>; 105 regulator-boot-on; 106 enable-active-high; 107 vin-supply = <&vcc_3v3_sys>; 108 gpio = <&exp1 3 GPIO_ACTIVE_HIGH>; 109 bootph-all; 110 }; 111 112 vcc_1v8: regulator-3 { 113 /* output of TPS6282518DMQ */ 114 compatible = "regulator-fixed"; 115 regulator-name = "vcc_1v8"; 116 regulator-min-microvolt = <1800000>; 117 regulator-max-microvolt = <1800000>; 118 vin-supply = <&vcc_3v3_sys>; 119 regulator-always-on; 120 regulator-boot-on; 121 }; 122}; 123 124&gpio0 { 125 bootph-all; 126}; 127 128&i2c0 { 129 pinctrl-names = "default"; 130 pinctrl-0 = <&i2c0_pins_default>; 131 clock-frequency = <400000>; 132 status = "okay"; 133 134 eeprom@51 { 135 /* AT24C512C-MAHM-T or M24512-DFMC6TG */ 136 compatible = "atmel,24c512"; 137 reg = <0x51>; 138 }; 139}; 140 141&i2c1 { 142 pinctrl-names = "default"; 143 pinctrl-0 = <&i2c1_pins_default>; 144 clock-frequency = <100000>; 145 status = "okay"; 146 147 exp1: gpio@22 { 148 compatible = "ti,tca6424"; 149 reg = <0x22>; 150 gpio-controller; 151 #gpio-cells = <2>; 152 gpio-line-names = "", "", 153 "UART1_FET_SEL", "MMC1_SD_EN", 154 "VPP_LDO_EN", "EXP_PS_3V3_EN", 155 "UART1_FET_BUF_EN", "", "", 156 "", "DSI_GPIO0", "DSI_GPIO1", 157 "", "BT_UART_WAKE_SOC_3V3", 158 "USB_TYPEA_OC_INDICATION", "", 159 "", "WLAN_ALERTn", "", "", 160 "HDMI_INTn", "TEST_GPIO2", 161 "MCASP0_FET_EN", "MCASP0_BUF_BT_EN", 162 "MCASP0_FET_SEL", "DSI_EDID", 163 "PD_I2C_IRQ", "IO_EXP_TEST_LED"; 164 165 interrupt-parent = <&gpio0>; 166 interrupts = <91 IRQ_TYPE_EDGE_FALLING>; 167 interrupt-controller; 168 #interrupt-cells = <2>; 169 170 pinctrl-names = "default"; 171 pinctrl-0 = <&gpio0_ioexp_intr_pins_default>; 172 bootph-all; 173 }; 174 175 exp2: gpio@23 { 176 compatible = "ti,tca6424"; 177 reg = <0x23>; 178 gpio-controller; 179 #gpio-cells = <2>; 180 gpio-line-names = "BT_EN_SOC", "VOUT0_FET_SEL0", 181 "", "", 182 "", "", 183 "", "", 184 "WL_LT_EN", "EXP_PS_5V0_EN", 185 "TP45", "TP48", 186 "TP46", "TP49", 187 "TP47", "TP50", 188 "GPIO_QSPI_NAND_RSTn", "GPIO_HDMI_RSTn", 189 "GPIO_CPSW1_RST", "GPIO_CPSW2_RST", 190 "", "GPIO_AUD_RSTn", 191 "GPIO_eMMC_RSTn", "SoC_WLAN_SDIO_RST"; 192 bootph-all; 193 }; 194 195}; 196 197&i2c2 { 198 pinctrl-names = "default"; 199 pinctrl-0 = <&i2c2_pins_default>; 200 clock-frequency = <400000>; 201 status = "okay"; 202 203 typec_pd0: tps658x@3f { 204 compatible = "ti,tps6598x"; 205 reg = <0x3f>; 206 207 connector { 208 compatible = "usb-c-connector"; 209 label = "USB-C"; 210 self-powered; 211 data-role = "dual"; 212 power-role = "sink"; 213 214 port { 215 usb_con_hs: endpoint { 216 remote-endpoint = <&usb0_hs_ep>; 217 }; 218 }; 219 }; 220 }; 221}; 222 223&pmx0 { 224 gpio0_ioexp_intr_pins_default: gpio0-ioexp-intr-default-pins { 225 pinctrl-single,pins = < 226 AM62LX_IOPAD(0x01b0, PIN_INPUT, 7) /* (B12) SPI0_D1.GPIO0_91 */ 227 >; 228 bootph-all; 229 }; 230 231 i2c0_pins_default: i2c0-default-pins { 232 pinctrl-single,pins = < 233 AM62LX_IOPAD(0x01cc, PIN_INPUT_PULLUP, 0) /* (B7) I2C0_SCL */ 234 AM62LX_IOPAD(0x01d0, PIN_INPUT_PULLUP, 0) /* (A7) I2C0_SDA */ 235 >; 236 bootph-all; 237 }; 238 239 i2c1_pins_default: i2c1-default-pins { 240 pinctrl-single,pins = < 241 AM62LX_IOPAD(0x01d4, PIN_INPUT_PULLUP, 0) /* (D7) I2C1_SCL */ 242 AM62LX_IOPAD(0x01d8, PIN_INPUT_PULLUP, 0) /* (A6) I2C1_SDA */ 243 >; 244 bootph-all; 245 }; 246 247 i2c2_pins_default: i2c2-default-pins { 248 pinctrl-single,pins = < 249 AM62LX_IOPAD(0x01dc, PIN_INPUT_PULLUP, 0) /* (B8) I2C2_SCL */ 250 AM62LX_IOPAD(0x01e0, PIN_INPUT_PULLUP, 0) /* (D8) I2C2_SDA */ 251 >; 252 }; 253 254 mmc0_pins_default: mmc0-default-pins { 255 pinctrl-single,pins = < 256 AM62LX_IOPAD(0x0214, PIN_INPUT_PULLUP, 0) /* (D2) MMC0_CMD */ 257 AM62LX_IOPAD(0x020c, PIN_OUTPUT, 0) /* (B2) MMC0_CLK */ 258 AM62LX_IOPAD(0x0208, PIN_INPUT_PULLUP, 0) /* (D3) MMC0_DAT0 */ 259 AM62LX_IOPAD(0x0204, PIN_INPUT_PULLUP, 0) /* (D4) MMC0_DAT1 */ 260 AM62LX_IOPAD(0x0200, PIN_INPUT_PULLUP, 0) /* (C1) MMC0_DAT2 */ 261 AM62LX_IOPAD(0x01fc, PIN_INPUT_PULLUP, 0) /* (C2) MMC0_DAT3 */ 262 AM62LX_IOPAD(0x01f8, PIN_INPUT_PULLUP, 0) /* (C4) MMC0_DAT4 */ 263 AM62LX_IOPAD(0x01f4, PIN_INPUT_PULLUP, 0) /* (B3) MMC0_DAT5 */ 264 AM62LX_IOPAD(0x01f0, PIN_INPUT_PULLUP, 0) /* (A3) MMC0_DAT6 */ 265 AM62LX_IOPAD(0x01ec, PIN_INPUT_PULLUP, 0) /* (B4) MMC0_DAT7 */ 266 >; 267 bootph-all; 268 }; 269 270 mmc1_pins_default: mmc1-default-pins { 271 pinctrl-single,pins = < 272 AM62LX_IOPAD(0x0230, PIN_INPUT, 0) /* (Y3) MMC1_CMD */ 273 AM62LX_IOPAD(0x0228, PIN_OUTPUT, 0) /* (Y2) MMC1_CLK */ 274 AM62LX_IOPAD(0x0224, PIN_INPUT, 0) /* (AA1) MMC1_DAT0 */ 275 AM62LX_IOPAD(0x0220, PIN_INPUT_PULLUP, 0) /* (Y4) MMC1_DAT1 */ 276 AM62LX_IOPAD(0x021c, PIN_INPUT_PULLUP, 0) /* (AA2) MMC1_DAT2 */ 277 AM62LX_IOPAD(0x0218, PIN_INPUT_PULLUP, 0) /* (AB2) MMC1_DAT3 */ 278 AM62LX_IOPAD(0x0234, PIN_INPUT, 0) /* (B6) MMC1_SDCD */ 279 >; 280 bootph-all; 281 }; 282 283 uart0_pins_default: uart0-default-pins { 284 pinctrl-single,pins = < 285 AM62LX_IOPAD(0x01b4, PIN_INPUT, 0) /* (D13) UART0_RXD */ 286 AM62LX_IOPAD(0x01b8, PIN_OUTPUT, 0) /* (C13) UART0_TXD */ 287 >; 288 bootph-all; 289 }; 290 291 usb1_default_pins: usb1-default-pins { 292 pinctrl-single,pins = < 293 AM62LX_IOPAD(0x0248, PIN_INPUT | PIN_DS_PULLUD_ENABLE | PIN_DS_PULL_UP, 0) /* (A5) USB1_DRVVBUS */ 294 >; 295 }; 296 297 usr_button_pins_default: usr-button-default-pins { 298 pinctrl-single,pins = < 299 AM62LX_IOPAD(0x01ac, PIN_INPUT, 7) /* (E12) SPI0_D0.GPIO0_90 */ 300 >; 301 }; 302 303 usr_led_pins_default: usr-led-default-pins { 304 pinctrl-single,pins = < 305 AM62LX_IOPAD(0x0238, PIN_OUTPUT, 7) /* (D24) MMC1_SDWP.GPIO0_123 */ 306 >; 307 }; 308 309}; 310 311&sdhci0 { 312 /* eMMC */ 313 pinctrl-names = "default"; 314 pinctrl-0 = <&mmc0_pins_default>; 315 non-removable; 316 status = "okay"; 317 bootph-all; 318}; 319 320&sdhci1 { 321 /* SD/MMC */ 322 pinctrl-names = "default"; 323 pinctrl-0 = <&mmc1_pins_default>; 324 vmmc-supply = <&vdd_mmc1>; 325 disable-wp; 326 status = "okay"; 327 bootph-all; 328}; 329 330&uart0 { 331 pinctrl-0 = <&uart0_pins_default>; 332 pinctrl-names = "default"; 333 status = "okay"; 334 bootph-all; 335}; 336 337&usbss0 { 338 status = "okay"; 339 ti,vbus-divider; 340}; 341 342&usb0 { 343 usb-role-switch; 344 345 port { 346 usb0_hs_ep: endpoint { 347 remote-endpoint = <&usb_con_hs>; 348 }; 349 }; 350}; 351 352&usbss1 { 353 status = "okay"; 354 ti,vbus-divider; 355}; 356 357&usb1 { 358 dr_mode = "host"; 359 pinctrl-names = "default"; 360 pinctrl-0 = <&usb1_default_pins>; 361}; 362