Linux-6.18.2/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
2025-12-23 20:06:59 +08:00

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// SPDX-License-Identifier: GPL-2.0-only OR MIT
/*
* SoM: https://www.ti.com/lit/zip/sprr439
*
* Copyright (C) 2021-2024 Texas Instruments Incorporated - https://www.ti.com/
*/
/dts-v1/;
#include "k3-j721s2.dtsi"
#include <dt-bindings/gpio/gpio.h>
/ {
memory@80000000 {
device_type = "memory";
bootph-all;
/* 16 GB RAM */
reg = <0x00000000 0x80000000 0x00000000 0x80000000>,
<0x00000008 0x80000000 0x00000003 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;
};
mcu_r5fss0_core0_dma_memory_region: memory@a0000000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa0000000 0x00 0x100000>;
no-map;
};
mcu_r5fss0_core0_memory_region: memory@a0100000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa0100000 0x00 0xf00000>;
no-map;
};
};
mux0: mux-controller-0 {
compatible = "gpio-mux";
#mux-state-cells = <1>;
mux-gpios = <&exp_som 1 GPIO_ACTIVE_HIGH>;
};
mux1: mux-controller-1 {
compatible = "gpio-mux";
#mux-state-cells = <1>;
mux-gpios = <&exp_som 2 GPIO_ACTIVE_HIGH>;
};
transceiver0: can-phy0 {
/* standby pin has been grounded by default */
compatible = "ti,tcan1042";
#phy-cells = <0>;
max-bitrate = <5000000>;
};
vsys_io_1v8: regulator-vsys-io-1v8 {
compatible = "regulator-fixed";
regulator-name = "vsys_io_1v8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
vsys_io_1v2: regulator-vsys-io-1v2 {
compatible = "regulator-fixed";
regulator-name = "vsys_io_1v2";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-always-on;
regulator-boot-on;
};
edp1_refclk: clock-edp1-refclk {
compatible = "fixed-clock";
clock-frequency = <19200000>;
#clock-cells = <0>;
};
};
&wkup_pmx0 {
mcu_fss0_ospi0_pins_default: mcu-fss0-ospi0-default-pins {
pinctrl-single,pins = <
J721S2_WKUP_IOPAD(0x000, PIN_OUTPUT, 0) /* (D19) MCU_OSPI0_CLK */
J721S2_WKUP_IOPAD(0x02c, PIN_OUTPUT, 0) /* (F15) MCU_OSPI0_CSn0 */
J721S2_WKUP_IOPAD(0x00c, PIN_INPUT, 0) /* (C19) MCU_OSPI0_D0 */
J721S2_WKUP_IOPAD(0x010, PIN_INPUT, 0) /* (F16) MCU_OSPI0_D1 */
J721S2_WKUP_IOPAD(0x014, PIN_INPUT, 0) /* (G15) MCU_OSPI0_D2 */
J721S2_WKUP_IOPAD(0x018, PIN_INPUT, 0) /* (F18) MCU_OSPI0_D3 */
J721S2_WKUP_IOPAD(0x01c, PIN_INPUT, 0) /* (E19) MCU_OSPI0_D4 */
J721S2_WKUP_IOPAD(0x020, PIN_INPUT, 0) /* (G19) MCU_OSPI0_D5 */
J721S2_WKUP_IOPAD(0x024, PIN_INPUT, 0) /* (F19) MCU_OSPI0_D6 */
J721S2_WKUP_IOPAD(0x028, PIN_INPUT, 0) /* (F20) MCU_OSPI0_D7 */
J721S2_WKUP_IOPAD(0x008, PIN_INPUT, 0) /* (E18) MCU_OSPI0_DQS */
J721S2_WKUP_IOPAD(0x004, PIN_INPUT, 0) /* (E20) MCU_OSPI0_LBCLKO */
>;
bootph-all;
};
};
&wkup_pmx1 {
pmic_irq_pins_default: pmic-irq-default-pins {
pinctrl-single,pins = <
/* (C21) MCU_OSPI1_CSn1.WKUP_GPIO0_39 */
J721S2_WKUP_IOPAD(0x028, PIN_INPUT, 7)
>;
};
};
&wkup_pmx2 {
wkup_i2c0_pins_default: wkup-i2c0-default-pins {
pinctrl-single,pins = <
J721S2_WKUP_IOPAD(0x98, PIN_INPUT, 0) /* (H24) WKUP_I2C0_SCL */
J721S2_WKUP_IOPAD(0x9c, PIN_INPUT, 0) /* (H27) WKUP_I2C0_SDA */
>;
bootph-pre-ram;
};
};
&main_pmx0 {
main_i2c0_pins_default: main-i2c0-default-pins {
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-default-pins {
pinctrl-single,pins = <
J721S2_IOPAD(0x028, PIN_INPUT, 0) /* (AB24) MCAN16_RX */
J721S2_IOPAD(0x024, PIN_OUTPUT, 0) /* (Y28) MCAN16_TX */
>;
};
};
&wkup_i2c0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&wkup_i2c0_pins_default>;
clock-frequency = <400000>;
eeprom@50 {
/* CAV24C256WE-GT3 */
compatible = "atmel,24c256";
reg = <0x50>;
};
tps659411: pmic@48 {
compatible = "ti,tps6594-q1";
reg = <0x48>;
system-power-controller;
pinctrl-names = "default";
pinctrl-0 = <&pmic_irq_pins_default>;
interrupt-parent = <&wkup_gpio0>;
interrupts = <39 IRQ_TYPE_EDGE_FALLING>;
gpio-controller;
#gpio-cells = <2>;
ti,primary-pmic;
buck1234-supply = <&vsys_3v3>;
buck5-supply = <&vsys_3v3>;
ldo1-supply = <&vsys_3v3>;
ldo2-supply = <&vsys_3v3>;
ldo3-supply = <&vsys_3v3>;
ldo4-supply = <&vsys_3v3>;
regulators {
bucka1234: buck1234 {
regulator-name = "vdd_cpu_avs";
regulator-min-microvolt = <600000>;
regulator-max-microvolt = <900000>;
regulator-boot-on;
regulator-always-on;
bootph-pre-ram;
};
bucka5: buck5 {
regulator-name = "vdd_mcu_0v85";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <850000>;
regulator-boot-on;
regulator-always-on;
};
ldoa1: ldo1 {
regulator-name = "vdd_mcuwk_0v8";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <800000>;
regulator-boot-on;
regulator-always-on;
};
ldoa2: ldo2 {
regulator-name = "vdd_mcu_gpioret_3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ldoa3: ldo3 {
regulator-name = "vdd_mcuio_1v8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
regulator-always-on;
};
ldoa4: ldo4 {
regulator-name = "vda_mcu_1v8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
regulator-always-on;
};
};
};
tps659414: pmic@4c {
compatible = "ti,tps6594-q1";
reg = <0x4c>;
system-power-controller;
interrupt-parent = <&wkup_gpio0>;
interrupts = <39 IRQ_TYPE_EDGE_FALLING>;
gpio-controller;
#gpio-cells = <2>;
buck1-supply = <&vsys_3v3>;
buck2-supply = <&vsys_3v3>;
buck3-supply = <&vsys_3v3>;
buck4-supply = <&vsys_3v3>;
buck5-supply = <&vsys_3v3>;
ldo1-supply = <&vsys_3v3>;
ldo2-supply = <&vsys_3v3>;
ldo3-supply = <&vsys_3v3>;
ldo4-supply = <&vsys_3v3>;
regulators {
buckb1: buck1 {
regulator-name = "vdd_io_1v8_reg";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
buckb2: buck2 {
regulator-name = "vdd_fpd_1v1";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
regulator-boot-on;
regulator-always-on;
};
buckb3: buck3 {
regulator-name = "vdd_phy_1v8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
regulator-always-on;
};
buckb4: buck4 {
regulator-name = "vdd_ddr_1v1";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
regulator-boot-on;
regulator-always-on;
};
buckb5: buck5 {
regulator-name = "vdd_ram_0v85";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <850000>;
regulator-boot-on;
regulator-always-on;
};
ldob1: ldo1 {
regulator-name = "vdd_wk_0v8";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <800000>;
regulator-boot-on;
regulator-always-on;
};
ldob2: ldo2 {
regulator-name = "vdd_gpioret_3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
ldob3: ldo3 {
regulator-name = "vda_dll_0v8";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <800000>;
regulator-boot-on;
regulator-always-on;
};
ldob4: ldo4 {
regulator-name = "vda_pll_1v8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
regulator-always-on;
};
};
};
lp876411: pmic@58 {
compatible = "ti,lp8764-q1";
reg = <0x58>;
system-power-controller;
interrupt-parent = <&wkup_gpio0>;
interrupts = <39 IRQ_TYPE_EDGE_FALLING>;
gpio-controller;
#gpio-cells = <2>;
buck1234-supply = <&vsys_3v3>;
regulators {
buckc1234: buck1234 {
regulator-name = "vdd_core_0v8";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <800000>;
regulator-boot-on;
regulator-always-on;
};
};
};
};
&main_i2c0 {
status = "okay";
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 {
status = "okay";
pinctrl-0 = <&main_mcan16_pins_default>;
pinctrl-names = "default";
phys = <&transceiver0>;
};
&ospi0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&mcu_fss0_ospi0_pins_default>;
flash@0 {
compatible = "jedec,spi-nor";
reg = <0x0>;
spi-tx-bus-width = <8>;
spi-rx-bus-width = <8>;
spi-max-frequency = <25000000>;
bootph-all;
cdns,tshsl-ns = <60>;
cdns,tsd2d-ns = <60>;
cdns,tchsh-ns = <60>;
cdns,tslch-ns = <60>;
cdns,read-delay = <4>;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "ospi.tiboot3";
reg = <0x0 0x80000>;
};
partition@80000 {
label = "ospi.tispl";
reg = <0x80000 0x200000>;
};
partition@280000 {
label = "ospi.u-boot";
reg = <0x280000 0x400000>;
};
partition@680000 {
label = "ospi.env";
reg = <0x680000 0x40000>;
};
partition@6c0000 {
label = "ospi.env.backup";
reg = <0x6c0000 0x40000>;
};
partition@800000 {
label = "ospi.rootfs";
reg = <0x800000 0x37c0000>;
};
partition@3fc0000 {
label = "ospi.phypattern";
reg = <0x3fc0000 0x40000>;
};
};
};
};
&main_i2c4 {
bridge_dsi_edp: bridge-dsi-edp@2c {
compatible = "ti,sn65dsi86";
reg = <0x2c>;
clock-names = "refclk";
clocks = <&edp1_refclk>;
enable-gpios = <&exp_som 5 0>;
vpll-supply = <&vsys_io_1v8>;
vccio-supply = <&vsys_io_1v8>;
vcca-supply = <&vsys_io_1v2>;
vcc-supply = <&vsys_io_1v2>;
dsi_edp_bridge_ports: ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
};
port@1 {
reg = <1>;
};
};
};
};
#include "k3-j721s2-ti-ipc-firmware.dtsi"