xref: /freebsd/sys/contrib/device-tree/src/arm64/ti/k3-j721s2-som-p0.dtsi (revision e67e85659c0de33e617e5fbf1028c6e8b49eee53)

// SPDX-License-Identifier: GPL-2.0
/*
 * SoM: https://www.ti.com/lit/zip/sprr439
 *
 * Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/
 */

/dts-v1/;

#include "k3-j721s2.dtsi"
#include <dt-bindings/gpio/gpio.h>

/ {
	memory@80000000 {
		device_type = "memory";
		/* 16 GB RAM */
		reg = <0x00 0x80000000 0x00 0x80000000>,
		      <0x08 0x80000000 0x03 0x80000000>;
	};

	/* Reserving memory regions still pending */
	reserved_memory: reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		secure_ddr: optee@9e800000 {
			reg = <0x00 0x9e800000 0x00 0x01800000>;
			alignment = <0x1000>;
			no-map;
		};
	};

	transceiver0: can-phy0 {
		/* standby pin has been grounded by default */
		compatible = "ti,tcan1042";
		#phy-cells = <0>;
		max-bitrate = <5000000>;
	};
};

&main_pmx0 {
	main_i2c0_pins_default: main-i2c0-pins-default {
		pinctrl-single,pins = <
			J721S2_IOPAD(0x0e0, PIN_INPUT_PULLUP, 0) /* (AH25) I2C0_SCL */
			J721S2_IOPAD(0x0e4, PIN_INPUT_PULLUP, 0) /* (AE24) I2C0_SDA */
		>;
	};

	main_mcan16_pins_default: main-mcan16-pins-default {
		pinctrl-single,pins = <
			J721S2_IOPAD(0x028, PIN_INPUT, 0) /* (AB24) MCAN16_RX */
			J721S2_IOPAD(0x024, PIN_OUTPUT, 0) /* (Y28) MCAN16_TX */
		>;
	};
};

&main_i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&main_i2c0_pins_default>;
	clock-frequency = <400000>;

	exp_som: gpio@21 {
		compatible = "ti,tca6408";
		reg = <0x21>;
		gpio-controller;
		#gpio-cells = <2>;
		gpio-line-names = "USB2.0_MUX_SEL", "CANUART_MUX1_SEL0",
				  "CANUART_MUX2_SEL0", "CANUART_MUX_SEL1",
				  "GPIO_RGMII1_RST", "GPIO_eDP_ENABLE",
				   "GPIO_LIN_EN", "CAN_STB";
	};
};

&main_mcan16 {
	pinctrl-0 = <&main_mcan16_pins_default>;
	pinctrl-names = "default";
	phys = <&transceiver0>;
};

&mailbox0_cluster0 {
	status = "disabled";
};

&mailbox0_cluster1 {
	status = "disabled";
};

&mailbox0_cluster2 {
	status = "disabled";
};

&mailbox0_cluster3 {
	status = "disabled";
};

&mailbox0_cluster4 {
	status = "disabled";
};

&mailbox0_cluster5 {
	status = "disabled";
};

&mailbox0_cluster6 {
	status = "disabled";
};

&mailbox0_cluster7 {
	status = "disabled";
};

&mailbox0_cluster8 {
	status = "disabled";
};

&mailbox0_cluster9 {
	status = "disabled";
};

&mailbox0_cluster10 {
	status = "disabled";
};

&mailbox0_cluster11 {
	status = "disabled";
};

&mailbox1_cluster0 {
	status = "disabled";
};

&mailbox1_cluster1 {
	status = "disabled";
};

&mailbox1_cluster2 {
	status = "disabled";
};

&mailbox1_cluster3 {
	status = "disabled";
};

&mailbox1_cluster4 {
	status = "disabled";
};

&mailbox1_cluster5 {
	status = "disabled";
};

&mailbox1_cluster6 {
	status = "disabled";
};

&mailbox1_cluster7 {
	status = "disabled";
};

&mailbox1_cluster8 {
	status = "disabled";
};

&mailbox1_cluster9 {
	status = "disabled";
};

&mailbox1_cluster10 {
	status = "disabled";
};

&mailbox1_cluster11 {
	status = "disabled";
};