// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2022-2023 Texas Instruments Incorporated - https://www.ti.com/
*
* Design Files: https://www.ti.com/lit/zip/SPRR466
* TRM: https://www.ti.com/lit/zip/spruj52
*/
/dts-v1/;
#include <dt-bindings/net/ti-dp83867.h>
#include <dt-bindings/gpio/gpio.h>
#include "k3-j784s4.dtsi"
/ {
compatible = "ti,am69-sk", "ti,j784s4";
model = "Texas Instruments AM69 SK";
chosen {
stdout-path = "serial2:115200n8";
};
aliases {
serial0 = &wkup_uart0;
serial1 = &mcu_uart0;
serial2 = &main_uart8;
mmc0 = &main_sdhci0;
mmc1 = &main_sdhci1;
i2c0 = &wkup_i2c0;
i2c3 = &main_i2c0;
ethernet0 = &mcu_cpsw_port1;
};
memory@80000000 {
device_type = "memory";
/* 32G RAM */
reg = <0x00 0x80000000 0x00 0x80000000>,
<0x08 0x80000000 0x07 0x80000000>;
};
reserved_memory: reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
ranges;
secure_ddr: optee@9e800000 {
reg = <0x00 0x9e800000 0x00 0x01800000>;
no-map;
};
};
vusb_main: regulator-vusb-main5v0 {
/* USB MAIN INPUT 5V DC */
compatible = "regulator-fixed";
regulator-name = "vusb-main5v0";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
regulator-boot-on;
};
vsys_5v0: regulator-vsys5v0 {
/* Output of LM61460 */
compatible = "regulator-fixed";
regulator-name = "vsys_5v0";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
vin-supply = <&vusb_main>;
regulator-always-on;
regulator-boot-on;
};
vsys_3v3: regulator-vsys3v3 {
/* Output of LM5143 */
compatible = "regulator-fixed";
regulator-name = "vsys_3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&vusb_main>;
regulator-always-on;
regulator-boot-on;
};
vdd_mmc1: regulator-sd {
/* Output of TPS22918 */
compatible = "regulator-fixed";
regulator-name = "vdd_mmc1";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
enable-active-high;
vin-supply = <&vsys_3v3>;
gpio = <&exp1 2 GPIO_ACTIVE_HIGH>;
};
vdd_sd_dv: regulator-tlv71033 {
/* Output of TLV71033 */
compatible = "regulator-gpio";
regulator-name = "tlv71033";
pinctrl-names = "default";
pinctrl-0 = <&vdd_sd_dv_pins_default>;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
vin-supply = <&vsys_5v0>;
gpios = <&main_gpio0 49 GPIO_ACTIVE_HIGH>;
states = <1800000 0x0>,
<3300000 0x1>;
};
};
&main_pmx0 {
bootph-all;
main_uart8_pins_default: main-uart8-default-pins {
bootph-all;
pinctrl-single,pins = <
J784S4_IOPAD(0x0d0, PIN_INPUT, 11) /* (AP38) SPI0_CS1.UART8_RXD */
J784S4_IOPAD(0x0d4, PIN_OUTPUT, 11) /* (AN38) SPI0_CLK.UART8_TXD */
>;
};
main_i2c0_pins_default: main-i2c0-default-pins {
pinctrl-single,pins = <
J784S4_IOPAD(0x0e0, PIN_INPUT_PULLUP, 0) /* (AN36) I2C0_SCL */
J784S4_IOPAD(0x0e4, PIN_INPUT_PULLUP, 0) /* (AP37) I2C0_SDA */
>;
};
main_mmc1_pins_default: main-mmc1-default-pins {
bootph-all;
pinctrl-single,pins = <
J784S4_IOPAD(0x104, PIN_INPUT, 0) /* (AB38) MMC1_CLK */
J784S4_IOPAD(0x108, PIN_INPUT, 0) /* (AB36) MMC1_CMD */
J784S4_IOPAD(0x100, PIN_INPUT, 0) /* (No Pin) MMC1_CLKLB */
J784S4_IOPAD(0x0fc, PIN_INPUT, 0) /* (AA33) MMC1_DAT0 */
J784S4_IOPAD(0x0f8, PIN_INPUT, 0) /* (AB34) MMC1_DAT1 */
J784S4_IOPAD(0x0f4, PIN_INPUT, 0) /* (AA32) MMC1_DAT2 */
J784S4_IOPAD(0x0f0, PIN_INPUT, 0) /* (AC38) MMC1_DAT3 */
J784S4_IOPAD(0x0e8, PIN_INPUT, 8) /* (AR38) TIMER_IO0.MMC1_SDCD */
>;
};
vdd_sd_dv_pins_default: vdd-sd-dv-default-pins {
pinctrl-single,pins = <
J784S4_IOPAD(0x0C4, PIN_INPUT, 7) /* (AD36) ECAP0_IN_APWM_OUT.GPIO0_49 */
>;
};
rpi_header_gpio0_pins_default: rpi-header-gpio0-default-pins {
pinctrl-single,pins = <
J784S4_IOPAD(0x0BC, PIN_INPUT, 7) /* (AD33) MCASP1_AFSX.GPIO0_47 */
J784S4_IOPAD(0x06C, PIN_INPUT, 7) /* (AJ37) MCASP4_AFSX.GPIO0_27 */
J784S4_IOPAD(0x0B4, PIN_INPUT, 7) /* (AL34) MCASP1_AXR4.GPIO0_45 */
J784S4_IOPAD(0x0C0, PIN_INPUT, 7) /* (AD38) MCASP1_AXR0.GPIO0_48 */
J784S4_IOPAD(0x00C, PIN_INPUT, 7) /* (AF33) MCAN13_TX.GPIO0_3 */
J784S4_IOPAD(0x0B8, PIN_INPUT, 7) /* (AC34) MCASP1_ACLKX.GPIO0_46 */
J784S4_IOPAD(0x090, PIN_INPUT, 7) /* (AC35) MCASP0_AXR8.GPIO0_36 */
J784S4_IOPAD(0x0A8, PIN_INPUT, 7) /* (AF34) MCASP0_AXR14.GPIO0_42 */
J784S4_IOPAD(0x0A4, PIN_INPUT, 7) /* (AJ36) MCASP0_AXR13.GPIO0_41 */
J784S4_IOPAD(0x034, PIN_INPUT, 7) /* (AJ34) PMIC_WAKE0n.GPIO0_13 */
J784S4_IOPAD(0x0CC, PIN_INPUT, 7) /* (AM37) SPI0_CS0.GPIO0_51 */
J784S4_IOPAD(0x08C, PIN_INPUT, 7) /* (AE35) MCASP0_AXR7.GPIO0_35 */
J784S4_IOPAD(0x008, PIN_INPUT, 7) /* (AJ33) MCAN12_RX.GPIO0_2 */
J784S4_IOPAD(0x004, PIN_INPUT, 7) /* (AG36) MCAN12_TX.GPIO0_1 */
>;
};
};
&wkup_pmx2 {
bootph-all;
wkup_uart0_pins_default: wkup-uart0-default-pins {
bootph-all;
pinctrl-single,pins = <
J721S2_WKUP_IOPAD(0x070, PIN_INPUT, 0) /* (L37) WKUP_GPIO0_6.WKUP_UART0_CTSn */
J721S2_WKUP_IOPAD(0x074, PIN_INPUT, 0) /* (L36) WKUP_GPIO0_7.WKUP_UART0_RTSn */
J721S2_WKUP_IOPAD(0x048, PIN_INPUT, 0) /* (K35) WKUP_UART0_RXD */
J721S2_WKUP_IOPAD(0x04c, PIN_INPUT, 0) /* (K34) WKUP_UART0_TXD */
>;
};
wkup_i2c0_pins_default: wkup-i2c0-default-pins {
bootph-all;
pinctrl-single,pins = <
J721S2_WKUP_IOPAD(0x98, PIN_INPUT, 0) /* (N33) WKUP_I2C0_SCL */
J721S2_WKUP_IOPAD(0x9c, PIN_INPUT, 0) /* (N35) WKUP_I2C0_SDA */
>;
};
mcu_uart0_pins_default: mcu-uart0-default-pins {
bootph-all;
pinctrl-single,pins = <
J784S4_WKUP_IOPAD(0x08c, PIN_INPUT, 0) /* (K38) WKUP_GPIO0_13.MCU_UART0_RXD */
J784S4_WKUP_IOPAD(0x088, PIN_OUTPUT, 0) /* (J37) WKUP_GPIO0_12.MCU_UART0_TXD */
>;
};
mcu_i2c0_pins_default: mcu-i2c0-default-pins {
pinctrl-single,pins = <
J784S4_WKUP_IOPAD(0x0a0, PIN_INPUT_PULLUP, 0) /* (M35) MCU_I2C0_SCL */
J784S4_WKUP_IOPAD(0x0a4, PIN_INPUT_PULLUP, 0) /* (G34) MCU_I2C0_SDA */
>;
};
mcu_cpsw_pins_default: mcu-cpsw-default-pins {
pinctrl-single,pins = <
J784S4_WKUP_IOPAD(0x02c, PIN_INPUT, 0) /* (A35) MCU_RGMII1_RD0 */
J784S4_WKUP_IOPAD(0x028, PIN_INPUT, 0) /* (B36) MCU_RGMII1_RD1 */
J784S4_WKUP_IOPAD(0x024, PIN_INPUT, 0) /* (C36) MCU_RGMII1_RD2 */
J784S4_WKUP_IOPAD(0x020, PIN_INPUT, 0) /* (D36) MCU_RGMII1_RD3 */
J784S4_WKUP_IOPAD(0x01c, PIN_INPUT, 0) /* (B37) MCU_RGMII1_RXC */
J784S4_WKUP_IOPAD(0x004, PIN_INPUT, 0) /* (C37) MCU_RGMII1_RX_CTL */
J784S4_WKUP_IOPAD(0x014, PIN_OUTPUT, 0) /* (D37) MCU_RGMII1_TD0 */
J784S4_WKUP_IOPAD(0x010, PIN_OUTPUT, 0) /* (D38) MCU_RGMII1_TD1 */
J784S4_WKUP_IOPAD(0x00c, PIN_OUTPUT, 0) /* (E37) MCU_RGMII1_TD2 */
J784S4_WKUP_IOPAD(0x008, PIN_OUTPUT, 0) /* (E38) MCU_RGMII1_TD3 */
J784S4_WKUP_IOPAD(0x018, PIN_OUTPUT, 0) /* (E36) MCU_RGMII1_TXC */
J784S4_WKUP_IOPAD(0x000, PIN_OUTPUT, 0) /* (C38) MCU_RGMII1_TX_CTL */
>;
};
mcu_mdio_pins_default: mcu-mdio-default-pins {
pinctrl-single,pins = <
J784S4_WKUP_IOPAD(0x034, PIN_OUTPUT, 0) /* (A36) MCU_MDIO0_MDC */
J784S4_WKUP_IOPAD(0x030, PIN_INPUT, 0) /* (B35) MCU_MDIO0_MDIO */
>;
};
mcu_rpi_hdr1_gpio0_pins_default: mcu-rpi-hdr1-gpio0-default-pins {
pinctrl-single,pins = <
J784S4_WKUP_IOPAD(0x118, PIN_INPUT, 7) /* (N34) WKUP_GPIO0_66 */
J784S4_WKUP_IOPAD(0x05c, PIN_INPUT, 7) /* (J34) WKUP_GPIO0_1 */
J784S4_WKUP_IOPAD(0x060, PIN_INPUT, 7) /* (J35) WKUP_GPIO0_2 */
J784S4_WKUP_IOPAD(0x058, PIN_INPUT, 7) /* (H38) WKUP_GPIO0_0 */
J784S4_WKUP_IOPAD(0x0b8, PIN_INPUT, 7) /* (M37) WKUP_GPIO0_56 */
J784S4_WKUP_IOPAD(0x114, PIN_INPUT, 7) /* (M36) WKUP_GPIO0_57 */
J784S4_WKUP_IOPAD(0x094, PIN_INPUT, 7) /* (K37) WKUP_GPIO0_15 */
J784S4_WKUP_IOPAD(0x064, PIN_INPUT, 7) /* (J36) WKUP_GPIO0_3 */
J784S4_WKUP_IOPAD(0x11c, PIN_INPUT, 7) /* (M34) WKUP_GPIO0_67 */
>;
};
};
&wkup_pmx3 {
mcu_rpi_hdr2_gpio0_pins_default: mcu-rpi-hdr2-gpio0-default-pins {
pinctrl-single,pins = <
J784S4_WKUP_IOPAD(0x0, PIN_INPUT, 7) /* (M33) WKUP_GPIO0_49 */
>;
};
};
&wkup_uart0 {
/* Firmware usage */
status = "reserved";
pinctrl-names = "default";
pinctrl-0 = <&wkup_uart0_pins_default>;
};
&wkup_i2c0 {
bootph-all;
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&wkup_i2c0_pins_default>;
clock-frequency = <400000>;
eeprom@51 {
/* AT24C512C-MAHM-T */
compatible = "atmel,24c512";
reg = <0x51>;
};
};
&wkup_gpio0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&mcu_rpi_hdr1_gpio0_pins_default>, <&mcu_rpi_hdr2_gpio0_pins_default>;
};
&mcu_uart0 {
bootph-all;
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&mcu_uart0_pins_default>;
};
&mcu_i2c0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&mcu_i2c0_pins_default>;
clock-frequency = <400000>;
};
&main_uart8 {
bootph-all;
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&main_uart8_pins_default>;
};
&main_i2c0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&main_i2c0_pins_default>;
clock-frequency = <400000>;
exp1: gpio@21 {
compatible = "ti,tca6416";
reg = <0x21>;
gpio-controller;
#gpio-cells = <2>;
gpio-line-names = "BOARDID_EEPROM_WP", "CAN_STB", "GPIO_uSD_PWR_EN",
"IO_EXP_MCU_RGMII_RST#", "IO_EXP_PCIe0_4L_PERST#",
"IO_EXP_PCIe1_M.2_RTSz", "IO_EXP_PCIe3_M.2_RTSz",
"PM_INA_BUS_EN", "ENET1_EXP_PWRDN", "EXP1_ENET_RSTz",
"ENET1_I2CMUX_SEL", "PCIe0_CLKREQ#", "PCIe1_M.2_CLKREQ#",
"PCIe3_M2_CLKREQ#", "PCIe0_PRSNT2#_1", "PCIe0_PRSNT2#_2";
};
};
&main_sdhci0 {
bootph-all;
/* eMMC */
status = "okay";
non-removable;
ti,driver-strength-ohm = <50>;
disable-wp;
};
&main_sdhci1 {
bootph-all;
/* SD card */
status = "okay";
pinctrl-0 = <&main_mmc1_pins_default>;
pinctrl-names = "default";
disable-wp;
vmmc-supply = <&vdd_mmc1>;
vqmmc-supply = <&vdd_sd_dv>;
};
&main_gpio0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&rpi_header_gpio0_pins_default>;
};
&mcu_cpsw {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&mcu_cpsw_pins_default>, <&mcu_mdio_pins_default>;
};
&davinci_mdio {
mcu_phy0: ethernet-phy@0 {
reg = <0>;
ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
ti,min-output-impedance;
};
};
&mcu_cpsw_port1 {
status = "okay";
phy-mode = "rgmii-rxid";
phy-handle = <&mcu_phy0>;
};