0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003 * SoM: https://www.ti.com/lit/zip/sprr439
0004 *
0005 * Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/
0006 */
0007
0008 /dts-v1/;
0009
0010 #include "k3-j721s2.dtsi"
0011 #include <dt-bindings/gpio/gpio.h>
0012
0013 / {
0014 memory@80000000 {
0015 device_type = "memory";
0016 /* 16 GB RAM */
0017 reg = <0x00 0x80000000 0x00 0x80000000>,
0018 <0x08 0x80000000 0x03 0x80000000>;
0019 };
0020
0021 /* Reserving memory regions still pending */
0022 reserved_memory: reserved-memory {
0023 #address-cells = <2>;
0024 #size-cells = <2>;
0025 ranges;
0026
0027 secure_ddr: optee@9e800000 {
0028 reg = <0x00 0x9e800000 0x00 0x01800000>;
0029 alignment = <0x1000>;
0030 no-map;
0031 };
0032 };
0033
0034 transceiver0: can-phy0 {
0035 /* standby pin has been grounded by default */
0036 compatible = "ti,tcan1042";
0037 #phy-cells = <0>;
0038 max-bitrate = <5000000>;
0039 };
0040 };
0041
0042 &main_pmx0 {
0043 main_i2c0_pins_default: main-i2c0-pins-default {
0044 pinctrl-single,pins = <
0045 J721S2_IOPAD(0x0e0, PIN_INPUT_PULLUP, 0) /* (AH25) I2C0_SCL */
0046 J721S2_IOPAD(0x0e4, PIN_INPUT_PULLUP, 0) /* (AE24) I2C0_SDA */
0047 >;
0048 };
0049
0050 main_mcan16_pins_default: main-mcan16-pins-default {
0051 pinctrl-single,pins = <
0052 J721S2_IOPAD(0x028, PIN_INPUT, 0) /* (AB24) MCAN16_RX */
0053 J721S2_IOPAD(0x024, PIN_OUTPUT, 0) /* (Y28) MCAN16_TX */
0054 >;
0055 };
0056 };
0057
0058 &main_i2c0 {
0059 pinctrl-names = "default";
0060 pinctrl-0 = <&main_i2c0_pins_default>;
0061 clock-frequency = <400000>;
0062
0063 exp_som: gpio@21 {
0064 compatible = "ti,tca6408";
0065 reg = <0x21>;
0066 gpio-controller;
0067 #gpio-cells = <2>;
0068 gpio-line-names = "USB2.0_MUX_SEL", "CANUART_MUX1_SEL0",
0069 "CANUART_MUX2_SEL0", "CANUART_MUX_SEL1",
0070 "GPIO_RGMII1_RST", "GPIO_eDP_ENABLE",
0071 "GPIO_LIN_EN", "CAN_STB";
0072 };
0073 };
0074
0075 &main_mcan16 {
0076 pinctrl-0 = <&main_mcan16_pins_default>;
0077 pinctrl-names = "default";
0078 phys = <&transceiver0>;
0079 };
0080
0081 &mailbox0_cluster0 {
0082 status = "disabled";
0083 };
0084
0085 &mailbox0_cluster1 {
0086 status = "disabled";
0087 };
0088
0089 &mailbox0_cluster2 {
0090 status = "disabled";
0091 };
0092
0093 &mailbox0_cluster3 {
0094 status = "disabled";
0095 };
0096
0097 &mailbox0_cluster4 {
0098 status = "disabled";
0099 };
0100
0101 &mailbox0_cluster5 {
0102 status = "disabled";
0103 };
0104
0105 &mailbox0_cluster6 {
0106 status = "disabled";
0107 };
0108
0109 &mailbox0_cluster7 {
0110 status = "disabled";
0111 };
0112
0113 &mailbox0_cluster8 {
0114 status = "disabled";
0115 };
0116
0117 &mailbox0_cluster9 {
0118 status = "disabled";
0119 };
0120
0121 &mailbox0_cluster10 {
0122 status = "disabled";
0123 };
0124
0125 &mailbox0_cluster11 {
0126 status = "disabled";
0127 };
0128
0129 &mailbox1_cluster0 {
0130 status = "disabled";
0131 };
0132
0133 &mailbox1_cluster1 {
0134 status = "disabled";
0135 };
0136
0137 &mailbox1_cluster2 {
0138 status = "disabled";
0139 };
0140
0141 &mailbox1_cluster3 {
0142 status = "disabled";
0143 };
0144
0145 &mailbox1_cluster4 {
0146 status = "disabled";
0147 };
0148
0149 &mailbox1_cluster5 {
0150 status = "disabled";
0151 };
0152
0153 &mailbox1_cluster6 {
0154 status = "disabled";
0155 };
0156
0157 &mailbox1_cluster7 {
0158 status = "disabled";
0159 };
0160
0161 &mailbox1_cluster8 {
0162 status = "disabled";
0163 };
0164
0165 &mailbox1_cluster9 {
0166 status = "disabled";
0167 };
0168
0169 &mailbox1_cluster10 {
0170 status = "disabled";
0171 };
0172
0173 &mailbox1_cluster11 {
0174 status = "disabled";
0175 };
