82 lines
1.8 KiB
Plaintext
82 lines
1.8 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
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/*
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* SoM: https://www.ti.com/lit/zip/sprr439
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*
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* Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/
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*/
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/dts-v1/;
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#include "k3-j721s2.dtsi"
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#include <dt-bindings/gpio/gpio.h>
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/ {
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memory@80000000 {
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device_type = "memory";
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/* 16 GB RAM */
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reg = <0x00 0x80000000 0x00 0x80000000>,
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<0x08 0x80000000 0x03 0x80000000>;
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};
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/* Reserving memory regions still pending */
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reserved_memory: reserved-memory {
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#address-cells = <2>;
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#size-cells = <2>;
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ranges;
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secure_ddr: optee@9e800000 {
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reg = <0x00 0x9e800000 0x00 0x01800000>;
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alignment = <0x1000>;
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no-map;
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};
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};
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transceiver0: can-phy0 {
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/* standby pin has been grounded by default */
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compatible = "ti,tcan1042";
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#phy-cells = <0>;
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max-bitrate = <5000000>;
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};
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};
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&main_pmx0 {
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main_i2c0_pins_default: main-i2c0-pins-default {
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pinctrl-single,pins = <
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J721S2_IOPAD(0x0e0, PIN_INPUT_PULLUP, 0) /* (AH25) I2C0_SCL */
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J721S2_IOPAD(0x0e4, PIN_INPUT_PULLUP, 0) /* (AE24) I2C0_SDA */
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>;
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};
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main_mcan16_pins_default: main-mcan16-pins-default {
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pinctrl-single,pins = <
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J721S2_IOPAD(0x028, PIN_INPUT, 0) /* (AB24) MCAN16_RX */
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J721S2_IOPAD(0x024, PIN_OUTPUT, 0) /* (Y28) MCAN16_TX */
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>;
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};
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};
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&main_i2c0 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&main_i2c0_pins_default>;
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clock-frequency = <400000>;
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exp_som: gpio@21 {
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compatible = "ti,tca6408";
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reg = <0x21>;
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gpio-controller;
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#gpio-cells = <2>;
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gpio-line-names = "USB2.0_MUX_SEL", "CANUART_MUX1_SEL0",
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"CANUART_MUX2_SEL0", "CANUART_MUX_SEL1",
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"GPIO_RGMII1_RST", "GPIO_eDP_ENABLE",
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"GPIO_LIN_EN", "CAN_STB";
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};
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};
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&main_mcan16 {
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status = "okay";
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pinctrl-0 = <&main_mcan16_pins_default>;
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pinctrl-names = "default";
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phys = <&transceiver0>;
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};
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