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arm64: dts: ti: Add initial support for J721S2 System on Module 

A System on Module (SoM) contains the SoC, PMIC, DDR and basic high speed
components necessary for functionality. Therefore, add support for the
components present on the SoM.

SoM: https://www.ti.com/lit/zip/sprr439

Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Kishon Vijay Abraham I <kishon@ti.com>
Link: https://lore.kernel.org/r/20211207080904.14324-5-a-govindraju@ti.com
This commit is contained in:
Aswath Govindraju 2021-12-07 13:39:03 +05:30 committed by Vignesh Raghavendra
parent b8545f9d3a
commit d502f852d2
1 changed files with 175 additions and 0 deletions
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175
arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi Normal file
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// 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";
};