1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/ 4 * 5 * EVM Board Schematics: https://www.ti.com/lit/zip/sprr458 6 */ 7 8/dts-v1/; 9 10#include <dt-bindings/net/ti-dp83867.h> 11#include <dt-bindings/gpio/gpio.h> 12#include "k3-j784s4.dtsi" 13 14/ { 15 compatible = "ti,j784s4-evm", "ti,j784s4"; 16 model = "Texas Instruments J784S4 EVM"; 17 18 chosen { 19 stdout-path = "serial2:115200n8"; 20 }; 21 22 aliases { 23 serial2 = &main_uart8; 24 mmc0 = &main_sdhci0; 25 mmc1 = &main_sdhci1; 26 i2c0 = &main_i2c0; 27 }; 28 29 memory@80000000 { 30 device_type = "memory"; 31 /* 32G RAM */ 32 reg = <0x00 0x80000000 0x00 0x80000000>, 33 <0x08 0x80000000 0x07 0x80000000>; 34 }; 35 36 reserved_memory: reserved-memory { 37 #address-cells = <2>; 38 #size-cells = <2>; 39 ranges; 40 41 secure_ddr: optee@9e800000 { 42 reg = <0x00 0x9e800000 0x00 0x01800000>; 43 no-map; 44 }; 45 }; 46 47 evm_12v0: regulator-evm12v0 { 48 /* main supply */ 49 compatible = "regulator-fixed"; 50 regulator-name = "evm_12v0"; 51 regulator-min-microvolt = <12000000>; 52 regulator-max-microvolt = <12000000>; 53 regulator-always-on; 54 regulator-boot-on; 55 }; 56 57 vsys_3v3: regulator-vsys3v3 { 58 /* Output of LM5140 */ 59 compatible = "regulator-fixed"; 60 regulator-name = "vsys_3v3"; 61 regulator-min-microvolt = <3300000>; 62 regulator-max-microvolt = <3300000>; 63 vin-supply = <&evm_12v0>; 64 regulator-always-on; 65 regulator-boot-on; 66 }; 67 68 vsys_5v0: regulator-vsys5v0 { 69 /* Output of LM5140 */ 70 compatible = "regulator-fixed"; 71 regulator-name = "vsys_5v0"; 72 regulator-min-microvolt = <5000000>; 73 regulator-max-microvolt = <5000000>; 74 vin-supply = <&evm_12v0>; 75 regulator-always-on; 76 regulator-boot-on; 77 }; 78 79 vdd_mmc1: regulator-sd { 80 /* Output of TPS22918 */ 81 compatible = "regulator-fixed"; 82 regulator-name = "vdd_mmc1"; 83 regulator-min-microvolt = <3300000>; 84 regulator-max-microvolt = <3300000>; 85 regulator-boot-on; 86 enable-active-high; 87 vin-supply = <&vsys_3v3>; 88 gpio = <&exp2 2 GPIO_ACTIVE_HIGH>; 89 }; 90 91 vdd_sd_dv: regulator-TLV71033 { 92 /* Output of TLV71033 */ 93 compatible = "regulator-gpio"; 94 regulator-name = "tlv71033"; 95 pinctrl-names = "default"; 96 pinctrl-0 = <&vdd_sd_dv_pins_default>; 97 regulator-min-microvolt = <1800000>; 98 regulator-max-microvolt = <3300000>; 99 regulator-boot-on; 100 vin-supply = <&vsys_5v0>; 101 gpios = <&main_gpio0 8 GPIO_ACTIVE_HIGH>; 102 states = <1800000 0x0>, 103 <3300000 0x1>; 104 }; 105}; 106 107&main_pmx0 { 108 main_uart8_pins_default: main-uart8-pins-default { 109 pinctrl-single,pins = < 110 J784S4_IOPAD(0x040, PIN_INPUT, 14) /* (AF37) MCASP0_AXR0.UART8_CTSn */ 111 J784S4_IOPAD(0x044, PIN_OUTPUT, 14) /* (AG37) MCASP0_AXR1.UART8_RTSn */ 112 J784S4_IOPAD(0x0d0, PIN_INPUT, 11) /* (AP38) SPI0_CS1.UART8_RXD */ 113 J784S4_IOPAD(0x0d4, PIN_OUTPUT, 11) /* (AN38) SPI0_CLK.UART8_TXD */ 114 >; 115 }; 116 117 main_i2c0_pins_default: main-i2c0-pins-default { 118 pinctrl-single,pins = < 119 J784S4_IOPAD(0x0e0, PIN_INPUT_PULLUP, 0) /* (AN36) I2C0_SCL */ 120 J784S4_IOPAD(0x0e4, PIN_INPUT_PULLUP, 0) /* (AP37) I2C0_SDA */ 121 >; 122 }; 123 124 main_mmc1_pins_default: main-mmc1-pins-default { 125 pinctrl-single,pins = < 126 J784S4_IOPAD(0x104, PIN_INPUT, 0) /* (AB38) MMC1_CLK */ 127 J784S4_IOPAD(0x108, PIN_INPUT, 0) /* (AB36) MMC1_CMD */ 128 J784S4_IOPAD(0x100, PIN_INPUT, 0) /* (No Pin) MMC1_CLKLB */ 129 J784S4_IOPAD(0x0fc, PIN_INPUT, 0) /* (AA33) MMC1_DAT0 */ 130 J784S4_IOPAD(0x0f8, PIN_INPUT, 0) /* (AB34) MMC1_DAT1 */ 131 J784S4_IOPAD(0x0f4, PIN_INPUT, 0) /* (AA32) MMC1_DAT2 */ 132 J784S4_IOPAD(0x0f0, PIN_INPUT, 0) /* (AC38) MMC1_DAT3 */ 133 J784S4_IOPAD(0x0e8, PIN_INPUT, 8) /* (AR38) TIMER_IO0.MMC1_SDCD */ 134 >; 135 }; 136 137 vdd_sd_dv_pins_default: vdd-sd-dv-pins-default { 138 pinctrl-single,pins = < 139 J784S4_IOPAD(0x020, PIN_INPUT, 7) /* (AJ35) MCAN15_RX.GPIO0_8 */ 140 >; 141 }; 142}; 143 144&wkup_pmx0 { 145 mcu_cpsw_pins_default: mcu-cpsw-pins-default { 146 pinctrl-single,pins = < 147 J784S4_WKUP_IOPAD(0x094, PIN_INPUT, 0) /* (A35) MCU_RGMII1_RD0 */ 148 J784S4_WKUP_IOPAD(0x090, PIN_INPUT, 0) /* (B36) MCU_RGMII1_RD1 */ 149 J784S4_WKUP_IOPAD(0x08c, PIN_INPUT, 0) /* (C36) MCU_RGMII1_RD2 */ 150 J784S4_WKUP_IOPAD(0x088, PIN_INPUT, 0) /* (D36) MCU_RGMII1_RD3 */ 151 J784S4_WKUP_IOPAD(0x084, PIN_INPUT, 0) /* (B37) MCU_RGMII1_RXC */ 152 J784S4_WKUP_IOPAD(0x06c, PIN_INPUT, 0) /* (C37) MCU_RGMII1_RX_CTL */ 153 J784S4_WKUP_IOPAD(0x07c, PIN_OUTPUT, 0) /* (D37) MCU_RGMII1_TD0 */ 154 J784S4_WKUP_IOPAD(0x078, PIN_OUTPUT, 0) /* (D38) MCU_RGMII1_TD1 */ 155 J784S4_WKUP_IOPAD(0x074, PIN_OUTPUT, 0) /* (E37) MCU_RGMII1_TD2 */ 156 J784S4_WKUP_IOPAD(0x070, PIN_OUTPUT, 0) /* (E38) MCU_RGMII1_TD3 */ 157 J784S4_WKUP_IOPAD(0x080, PIN_OUTPUT, 0) /* (E36) MCU_RGMII1_TXC */ 158 J784S4_WKUP_IOPAD(0x068, PIN_OUTPUT, 0) /* (C38) MCU_RGMII1_TX_CTL */ 159 >; 160 }; 161 162 mcu_mdio_pins_default: mcu-mdio-pins-default { 163 pinctrl-single,pins = < 164 J784S4_WKUP_IOPAD(0x09c, PIN_OUTPUT, 0) /* (A36) MCU_MDIO0_MDC */ 165 J784S4_WKUP_IOPAD(0x098, PIN_INPUT, 0) /* (B35) MCU_MDIO0_MDIO */ 166 >; 167 }; 168}; 169 170&main_uart8 { 171 status = "okay"; 172 pinctrl-names = "default"; 173 pinctrl-0 = <&main_uart8_pins_default>; 174}; 175 176&main_i2c0 { 177 status = "okay"; 178 pinctrl-names = "default"; 179 pinctrl-0 = <&main_i2c0_pins_default>; 180 181 clock-frequency = <400000>; 182 183 exp1: gpio@20 { 184 compatible = "ti,tca6416"; 185 reg = <0x20>; 186 gpio-controller; 187 #gpio-cells = <2>; 188 gpio-line-names = "PCIE1_2L_MODE_SEL", "PCIE1_4L_PERSTZ", "PCIE1_2L_RC_RSTZ", 189 "PCIE1_2L_EP_RST_EN", "PCIE0_4L_MODE_SEL", "PCIE0_4L_PERSTZ", 190 "PCIE0_4L_RC_RSTZ", "PCIE0_4L_EP_RST_EN", "PCIE1_4L_PRSNT#", 191 "PCIE0_4L_PRSNT#", "CDCI1_OE1/OE4", "CDCI1_OE2/OE3", 192 "AUDIO_MUX_SEL", "EXP_MUX2", "EXP_MUX3", "GESI_EXP_PHY_RSTZ"; 193 }; 194 195 exp2: gpio@22 { 196 compatible = "ti,tca6424"; 197 reg = <0x22>; 198 gpio-controller; 199 #gpio-cells = <2>; 200 gpio-line-names = "R_GPIO_RGMII1_RST", "ENET2_I2CMUX_SEL", "GPIO_USD_PWR_EN", 201 "USBC_PWR_EN", "USBC_MODE_SEL1", "USBC_MODE_SEL0", 202 "GPIO_LIN_EN", "R_CAN_STB", "CTRL_PM_I2C_OE#", 203 "ENET2_EXP_PWRDN", "ENET2_EXP_SPARE2", "CDCI2_RSTZ", 204 "USB2.0_MUX_SEL", "CANUART_MUX_SEL0", "CANUART_MUX2_SEL1", 205 "CANUART_MUX1_SEL1", "ENET1_EXP_PWRDN", "ENET1_EXP_RESETZ", 206 "ENET1_I2CMUX_SEL", "ENET1_EXP_SPARE2", "ENET2_EXP_RESETZ", 207 "USER_INPUT1", "USER_LED1", "USER_LED2"; 208 }; 209}; 210 211&main_sdhci0 { 212 /* eMMC */ 213 status = "okay"; 214 non-removable; 215 ti,driver-strength-ohm = <50>; 216 disable-wp; 217}; 218 219&main_sdhci1 { 220 /* SD card */ 221 status = "okay"; 222 pinctrl-0 = <&main_mmc1_pins_default>; 223 pinctrl-names = "default"; 224 disable-wp; 225 vmmc-supply = <&vdd_mmc1>; 226 vqmmc-supply = <&vdd_sd_dv>; 227}; 228 229&main_gpio0 { 230 status = "okay"; 231}; 232 233&mcu_cpsw { 234 status = "okay"; 235 pinctrl-names = "default"; 236 pinctrl-0 = <&mcu_cpsw_pins_default>; 237}; 238 239&davinci_mdio { 240 pinctrl-names = "default"; 241 pinctrl-0 = <&mcu_mdio_pins_default>; 242 243 mcu_phy0: ethernet-phy@0 { 244 reg = <0>; 245 ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; 246 ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; 247 ti,min-output-impedance; 248 }; 249}; 250 251&mcu_cpsw_port1 { 252 status = "okay"; 253 phy-mode = "rgmii-rxid"; 254 phy-handle = <&mcu_phy0>; 255}; 256