1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ 4 * 5 * Base Board: https://www.ti.com/lit/zip/SPRR463 6 */ 7 8/dts-v1/; 9 10#include "k3-am68-sk-som.dtsi" 11#include <dt-bindings/net/ti-dp83867.h> 12#include <dt-bindings/phy/phy-cadence.h> 13#include <dt-bindings/phy/phy.h> 14#include <dt-bindings/mux/ti-serdes.h> 15 16/ { 17 compatible = "ti,am68-sk", "ti,j721s2"; 18 model = "Texas Instruments AM68 SK"; 19 20 chosen { 21 stdout-path = "serial2:115200n8"; 22 }; 23 24 aliases { 25 serial2 = &main_uart8; 26 mmc1 = &main_sdhci1; 27 can0 = &mcu_mcan0; 28 can1 = &mcu_mcan1; 29 can2 = &main_mcan6; 30 can3 = &main_mcan7; 31 }; 32 33 vusb_main: regulator-vusb-main5v0 { 34 /* USB MAIN INPUT 5V DC */ 35 compatible = "regulator-fixed"; 36 regulator-name = "vusb-main5v0"; 37 regulator-min-microvolt = <5000000>; 38 regulator-max-microvolt = <5000000>; 39 regulator-always-on; 40 regulator-boot-on; 41 }; 42 43 vsys_3v3: regulator-vsys3v3 { 44 /* Output of LM5141 */ 45 compatible = "regulator-fixed"; 46 regulator-name = "vsys_3v3"; 47 regulator-min-microvolt = <3300000>; 48 regulator-max-microvolt = <3300000>; 49 vin-supply = <&vusb_main>; 50 regulator-always-on; 51 regulator-boot-on; 52 }; 53 54 vdd_mmc1: regulator-sd { 55 /* Output of TPS22918 */ 56 compatible = "regulator-fixed"; 57 regulator-name = "vdd_mmc1"; 58 regulator-min-microvolt = <3300000>; 59 regulator-max-microvolt = <3300000>; 60 regulator-boot-on; 61 enable-active-high; 62 vin-supply = <&vsys_3v3>; 63 gpio = <&exp1 8 GPIO_ACTIVE_HIGH>; 64 }; 65 66 vdd_sd_dv: regulator-tlv71033 { 67 /* Output of TLV71033 */ 68 compatible = "regulator-gpio"; 69 regulator-name = "tlv71033"; 70 pinctrl-names = "default"; 71 pinctrl-0 = <&vdd_sd_dv_pins_default>; 72 regulator-min-microvolt = <1800000>; 73 regulator-max-microvolt = <3300000>; 74 regulator-boot-on; 75 vin-supply = <&vsys_3v3>; 76 gpios = <&main_gpio0 49 GPIO_ACTIVE_HIGH>; 77 states = <1800000 0x0>, 78 <3300000 0x1>; 79 }; 80 81 vsys_io_1v8: regulator-vsys-io-1v8 { 82 compatible = "regulator-fixed"; 83 regulator-name = "vsys_io_1v8"; 84 regulator-min-microvolt = <1800000>; 85 regulator-max-microvolt = <1800000>; 86 regulator-always-on; 87 regulator-boot-on; 88 }; 89 90 vsys_io_1v2: regulator-vsys-io-1v2 { 91 compatible = "regulator-fixed"; 92 regulator-name = "vsys_io_1v2"; 93 regulator-min-microvolt = <1200000>; 94 regulator-max-microvolt = <1200000>; 95 regulator-always-on; 96 regulator-boot-on; 97 }; 98 99 transceiver1: can-phy0 { 100 compatible = "ti,tcan1042"; 101 #phy-cells = <0>; 102 max-bitrate = <5000000>; 103 }; 104 105 transceiver2: can-phy1 { 106 compatible = "ti,tcan1042"; 107 #phy-cells = <0>; 108 max-bitrate = <5000000>; 109 }; 110 111 transceiver3: can-phy2 { 112 compatible = "ti,tcan1042"; 113 #phy-cells = <0>; 114 max-bitrate = <5000000>; 115 }; 116 117 transceiver4: can-phy3 { 118 compatible = "ti,tcan1042"; 119 #phy-cells = <0>; 120 max-bitrate = <5000000>; 121 }; 122}; 123 124&main_pmx0 { 125 main_uart8_pins_default: main-uart8-pins-default { 126 pinctrl-single,pins = < 127 J721S2_IOPAD(0x0d0, PIN_INPUT, 11) /* (AF26) SPI0_CS1.UART8_RXD */ 128 J721S2_IOPAD(0x0d4, PIN_OUTPUT, 11) /* (AH27) SPI0_CLK.UART8_TXD */ 129 >; 130 }; 131 132 main_i2c0_pins_default: main-i2c0-pins-default { 133 pinctrl-single,pins = < 134 J721S2_IOPAD(0x0e0, PIN_INPUT, 0) /* (AH25) I2C0_SCL */ 135 J721S2_IOPAD(0x0e4, PIN_INPUT, 0) /* (AE24) I2C0_SDA */ 136 >; 137 }; 138 139 main_mmc1_pins_default: main-mmc1-pins-default { 140 pinctrl-single,pins = < 141 J721S2_IOPAD(0x104, PIN_INPUT, 0) /* (P23) MMC1_CLK */ 142 J721S2_IOPAD(0x108, PIN_INPUT, 0) /* (N24) MMC1_CMD */ 143 J721S2_IOPAD(0x0fc, PIN_INPUT, 0) /* (M23) MMC1_DAT0 */ 144 J721S2_IOPAD(0x0f8, PIN_INPUT, 0) /* (P24) MMC1_DAT1 */ 145 J721S2_IOPAD(0x0f4, PIN_INPUT, 0) /* (R24) MMC1_DAT2 */ 146 J721S2_IOPAD(0x0f0, PIN_INPUT, 0) /* (R22) MMC1_DAT3 */ 147 J721S2_IOPAD(0x0e8, PIN_INPUT, 8) /* (AE25) TIMER_IO0.MMC1_SDCD */ 148 >; 149 }; 150 151 vdd_sd_dv_pins_default: vdd-sd-dv-pins-default { 152 pinctrl-single,pins = < 153 J721S2_IOPAD(0x0c4, PIN_INPUT, 7) /* (AB26) ECAP0_IN_APWM_OUT.GPIO0_49 */ 154 >; 155 }; 156 157 main_usbss0_pins_default: main-usbss0-pins-default { 158 pinctrl-single,pins = < 159 J721S2_IOPAD(0x0ec, PIN_OUTPUT, 6) /* (AG25) TIMER_IO1.USB0_DRVVBUS */ 160 >; 161 }; 162 163 main_mcan6_pins_default: main-mcan6-pins-default { 164 pinctrl-single,pins = < 165 J721S2_IOPAD(0x098, PIN_INPUT, 0) /* (V25) MCASP0_AXR10.MCAN6_RX */ 166 J721S2_IOPAD(0x094, PIN_INPUT, 0) /* (AA25) MCASP0_AXR9.MCAN6_TX */ 167 >; 168 }; 169 170 main_mcan7_pins_default: main-mcan7-pins-default { 171 pinctrl-single,pins = < 172 J721S2_IOPAD(0x0a0, PIN_INPUT, 0) /* (AB25) MCASP0_AXR12.MCAN7_RX */ 173 J721S2_IOPAD(0x09c, PIN_INPUT, 0) /* (T24) MCASP0_AXR11.MCAN7_TX */ 174 >; 175 }; 176}; 177 178&wkup_pmx0 { 179 mcu_cpsw_pins_default: mcu-cpsw-pins-default { 180 pinctrl-single,pins = < 181 J721S2_WKUP_IOPAD(0x094, PIN_INPUT, 0) /* (B22) MCU_RGMII1_RD0 */ 182 J721S2_WKUP_IOPAD(0x090, PIN_INPUT, 0) /* (B21) MCU_RGMII1_RD1 */ 183 J721S2_WKUP_IOPAD(0x08c, PIN_INPUT, 0) /* (C22) MCU_RGMII1_RD2 */ 184 J721S2_WKUP_IOPAD(0x088, PIN_INPUT, 0) /* (D23) MCU_RGMII1_RD3 */ 185 J721S2_WKUP_IOPAD(0x084, PIN_INPUT, 0) /* (D22) MCU_RGMII1_RXC */ 186 J721S2_WKUP_IOPAD(0x06c, PIN_INPUT, 0) /* (E23) MCU_RGMII1_RX_CTL */ 187 J721S2_WKUP_IOPAD(0x07c, PIN_OUTPUT, 0) /* (F23) MCU_RGMII1_TD0 */ 188 J721S2_WKUP_IOPAD(0x078, PIN_OUTPUT, 0) /* (G22) MCU_RGMII1_TD1 */ 189 J721S2_WKUP_IOPAD(0x074, PIN_OUTPUT, 0) /* (E21) MCU_RGMII1_TD2 */ 190 J721S2_WKUP_IOPAD(0x070, PIN_OUTPUT, 0) /* (E22) MCU_RGMII1_TD3 */ 191 J721S2_WKUP_IOPAD(0x080, PIN_OUTPUT, 0) /* (F21) MCU_RGMII1_TXC */ 192 J721S2_WKUP_IOPAD(0x068, PIN_OUTPUT, 0) /* (F22) MCU_RGMII1_TX_CTL */ 193 >; 194 }; 195 196 mcu_mdio_pins_default: mcu-mdio-pins-default { 197 pinctrl-single,pins = < 198 J721S2_WKUP_IOPAD(0x09c, PIN_OUTPUT, 0) /* (A21) MCU_MDIO0_MDC */ 199 J721S2_WKUP_IOPAD(0x098, PIN_INPUT, 0) /* (A22) MCU_MDIO0_MDIO */ 200 >; 201 }; 202 203 mcu_mcan0_pins_default: mcu-mcan0-pins-default { 204 pinctrl-single,pins = < 205 J721S2_WKUP_IOPAD(0x0bc, PIN_INPUT, 0) /* (E28) MCU_MCAN0_RX */ 206 J721S2_WKUP_IOPAD(0x0b8, PIN_OUTPUT, 0) /* (E27) MCU_MCAN0_TX */ 207 >; 208 }; 209 210 mcu_mcan1_pins_default: mcu-mcan1-pins-default { 211 pinctrl-single,pins = < 212 J721S2_WKUP_IOPAD(0x0d4, PIN_INPUT, 0) /* (F26) WKUP_GPIO0_5.MCU_MCAN1_RX */ 213 J721S2_WKUP_IOPAD(0x0d0, PIN_OUTPUT, 0) /* (C23) WKUP_GPIO0_4.MCU_MCAN1_TX*/ 214 >; 215 }; 216 217 mcu_i2c1_pins_default: mcu-i2c1-pins-default { 218 pinctrl-single,pins = < 219 J721S2_WKUP_IOPAD(0x0e0, PIN_INPUT, 0) /* (F24) WKUP_GPIO0_8.MCU_I2C1_SCL */ 220 J721S2_WKUP_IOPAD(0x0e4, PIN_INPUT, 0) /* (H26) WKUP_GPIO0_9.MCU_I2C1_SDA */ 221 >; 222 }; 223}; 224 225&main_gpio2 { 226 status = "disabled"; 227}; 228 229&main_gpio4 { 230 status = "disabled"; 231}; 232 233&main_gpio6 { 234 status = "disabled"; 235}; 236 237&wkup_gpio0 { 238 status = "disabled"; 239}; 240 241&wkup_gpio1 { 242 status = "disabled"; 243}; 244 245&wkup_uart0 { 246 status = "reserved"; 247}; 248 249&main_uart8 { 250 status = "okay"; 251 pinctrl-names = "default"; 252 pinctrl-0 = <&main_uart8_pins_default>; 253 /* Shared with TFA on this platform */ 254 power-domains = <&k3_pds 357 TI_SCI_PD_SHARED>; 255}; 256 257&main_i2c0 { 258 pinctrl-names = "default"; 259 pinctrl-0 = <&main_i2c0_pins_default>; 260 clock-frequency = <400000>; 261 262 exp1: gpio@21 { 263 compatible = "ti,tca6416"; 264 reg = <0x21>; 265 gpio-controller; 266 #gpio-cells = <2>; 267 gpio-line-names = " ", " ", " ", " ", " ", 268 "BOARDID_EEPROM_WP", "CAN_STB", " ", 269 "GPIO_uSD_PWR_EN", " ", "IO_EXP_PCIe1_M.2_RTSz", 270 "IO_EXP_MCU_RGMII_RST#", " ", " ", " ", " "; 271 }; 272}; 273 274&main_sdhci0 { 275 /* Unused */ 276 status = "disabled"; 277}; 278 279&main_sdhci1 { 280 /* SD card */ 281 pinctrl-0 = <&main_mmc1_pins_default>; 282 pinctrl-names = "default"; 283 disable-wp; 284 vmmc-supply = <&vdd_mmc1>; 285 vqmmc-supply = <&vdd_sd_dv>; 286}; 287 288&mcu_cpsw { 289 pinctrl-names = "default"; 290 pinctrl-0 = <&mcu_cpsw_pins_default &mcu_mdio_pins_default>; 291}; 292 293&davinci_mdio { 294 phy0: ethernet-phy@0 { 295 reg = <0>; 296 ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; 297 ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; 298 ti,min-output-impedance; 299 }; 300}; 301 302&cpsw_port1 { 303 phy-mode = "rgmii-rxid"; 304 phy-handle = <&phy0>; 305}; 306 307&mcu_mcan0 { 308 status = "okay"; 309 pinctrl-names = "default"; 310 pinctrl-0 = <&mcu_mcan0_pins_default>; 311 phys = <&transceiver1>; 312}; 313 314&mcu_mcan1 { 315 status = "okay"; 316 pinctrl-names = "default"; 317 pinctrl-0 = <&mcu_mcan1_pins_default>; 318 phys = <&transceiver2>; 319}; 320 321&main_mcan6 { 322 status = "okay"; 323 pinctrl-names = "default"; 324 pinctrl-0 = <&main_mcan6_pins_default>; 325 phys = <&transceiver3>; 326}; 327 328&main_mcan7 { 329 status = "okay"; 330 pinctrl-names = "default"; 331 pinctrl-0 = <&main_mcan7_pins_default>; 332 phys = <&transceiver4>; 333}; 334