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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/
*/
/dts-v1/;
#include <dt-bindings/mux/ti-serdes.h>
#include <dt-bindings/phy/phy.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/net/ti-dp83867.h>
#include "k3-am642.dtsi"
/ {
compatible = "ti,am642-sk", "ti,am642";
model = "Texas Instruments AM642 SK";
chosen {
stdout-path = "serial2:115200n8";
bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000";
};
memory@80000000 {
device_type = "memory";
/* 2G RAM */
reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
};
reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
ranges;
secure_ddr: optee@9e800000 {
reg = <0x00 0x9e800000 0x00 0x01800000>; /* for OP-TEE */
alignment = <0x1000>;
no-map;
};
main_r5fss0_core0_dma_memory_region: r5f-dma-memory@a0000000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa0000000 0x00 0x100000>;
no-map;
};
main_r5fss0_core0_memory_region: r5f-memory@a0100000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa0100000 0x00 0xf00000>;
no-map;
};
main_r5fss0_core1_dma_memory_region: r5f-dma-memory@a1000000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa1000000 0x00 0x100000>;
no-map;
};
main_r5fss0_core1_memory_region: r5f-memory@a1100000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa1100000 0x00 0xf00000>;
no-map;
};
main_r5fss1_core0_dma_memory_region: r5f-dma-memory@a2000000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa2000000 0x00 0x100000>;
no-map;
};
main_r5fss1_core0_memory_region: r5f-memory@a2100000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa2100000 0x00 0xf00000>;
no-map;
};
main_r5fss1_core1_dma_memory_region: r5f-dma-memory@a3000000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa3000000 0x00 0x100000>;
no-map;
};
main_r5fss1_core1_memory_region: r5f-memory@a3100000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa3100000 0x00 0xf00000>;
no-map;
};
rtos_ipc_memory_region: ipc-memories@a5000000 {
reg = <0x00 0xa5000000 0x00 0x00800000>;
alignment = <0x1000>;
no-map;
};
};
vusb_main: fixed-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;
};
vcc_3v3_sys: fixedregulator-vcc-3v3-sys {
/* output of LP8733xx */
compatible = "regulator-fixed";
regulator-name = "vcc_3v3_sys";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
vin-supply = <&vusb_main>;
regulator-always-on;
regulator-boot-on;
};
vdd_mmc1: fixed-regulator-sd {
/* TPS2051BD */
compatible = "regulator-fixed";
regulator-name = "vdd_mmc1";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
enable-active-high;
vin-supply = <&vcc_3v3_sys>;
gpio = <&exp1 3 GPIO_ACTIVE_HIGH>;
};
};
&main_pmx0 {
main_mmc1_pins_default: main-mmc1-pins-default {
pinctrl-single,pins = <
AM64X_IOPAD(0x0294, PIN_INPUT, 0) /* (J19) MMC1_CMD */
AM64X_IOPAD(0x0290, PIN_INPUT, 0) /* (#N/A) MMC1_CLKLB */
AM64X_IOPAD(0x028c, PIN_INPUT, 0) /* (L20) MMC1_CLK */
AM64X_IOPAD(0x0288, PIN_INPUT, 0) /* (K21) MMC1_DAT0 */
AM64X_IOPAD(0x0284, PIN_INPUT, 0) /* (L21) MMC1_DAT1 */
AM64X_IOPAD(0x0280, PIN_INPUT, 0) /* (K19) MMC1_DAT2 */
AM64X_IOPAD(0x027c, PIN_INPUT, 0) /* (K18) MMC1_DAT3 */
AM64X_IOPAD(0x0298, PIN_INPUT, 0) /* (D19) MMC1_SDCD */
>;
};
main_usb0_pins_default: main-usb0-pins-default {
pinctrl-single,pins = <
AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */
>;
};
main_i2c1_pins_default: main-i2c1-pins-default {
pinctrl-single,pins = <
AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */
AM64X_IOPAD(0x026c, PIN_INPUT_PULLUP, 0) /* (B19) I2C1_SDA */
>;
};
mdio1_pins_default: mdio1-pins-default {
pinctrl-single,pins = <
AM64X_IOPAD(0x01fc, PIN_OUTPUT, 4) /* (R2) PRG0_PRU1_GPO19.MDIO0_MDC */
AM64X_IOPAD(0x01f8, PIN_INPUT, 4) /* (P5) PRG0_PRU1_GPO18.MDIO0_MDIO */
>;
};
rgmii1_pins_default: rgmii1-pins-default {
pinctrl-single,pins = <
AM64X_IOPAD(0x011c, PIN_INPUT, 4) /* (AA13) PRG1_PRU1_GPO5.RGMII1_RD0 */
AM64X_IOPAD(0x0128, PIN_INPUT, 4) /* (U12) PRG1_PRU1_GPO8.RGMII1_RD1 */
AM64X_IOPAD(0x0150, PIN_INPUT, 4) /* (Y13) PRG1_PRU1_GPO18.RGMII1_RD2 */
AM64X_IOPAD(0x0154, PIN_INPUT, 4) /* (V12) PRG1_PRU1_GPO19.RGMII1_RD3 */
AM64X_IOPAD(0x00d8, PIN_INPUT, 4) /* (W13) PRG1_PRU0_GPO8.RGMII1_RXC */
AM64X_IOPAD(0x00cc, PIN_INPUT, 4) /* (V13) PRG1_PRU0_GPO5.RGMII1_RX_CTL */
AM64X_IOPAD(0x0124, PIN_OUTPUT, 4) /* (V15) PRG1_PRU1_GPO7.RGMII1_TD0 */
AM64X_IOPAD(0x012c, PIN_OUTPUT, 4) /* (V14) PRG1_PRU1_GPO9.RGMII1_TD1 */
AM64X_IOPAD(0x0130, PIN_OUTPUT, 4) /* (W14) PRG1_PRU1_GPO10.RGMII1_TD2 */
AM64X_IOPAD(0x014c, PIN_OUTPUT, 4) /* (AA14) PRG1_PRU1_GPO17.RGMII1_TD3 */
AM64X_IOPAD(0x00e0, PIN_OUTPUT, 4) /* (U14) PRG1_PRU0_GPO10.RGMII1_TXC */
AM64X_IOPAD(0x00dc, PIN_OUTPUT, 4) /* (U15) PRG1_PRU0_GPO9.RGMII1_TX_CTL */
>;
};
rgmii2_pins_default: rgmii2-pins-default {
pinctrl-single,pins = <
AM64X_IOPAD(0x0108, PIN_INPUT, 4) /* (W11) PRG1_PRU1_GPO0.RGMII2_RD0 */
AM64X_IOPAD(0x010c, PIN_INPUT, 4) /* (V11) PRG1_PRU1_GPO1.RGMII2_RD1 */
AM64X_IOPAD(0x0110, PIN_INPUT, 4) /* (AA12) PRG1_PRU1_GPO2.RGMII2_RD2 */
AM64X_IOPAD(0x0114, PIN_INPUT, 4) /* (Y12) PRG1_PRU1_GPO3.RGMII2_RD3 */
AM64X_IOPAD(0x0120, PIN_INPUT, 4) /* (U11) PRG1_PRU1_GPO6.RGMII2_RXC */
AM64X_IOPAD(0x0118, PIN_INPUT, 4) /* (W12) PRG1_PRU1_GPO4.RGMII2_RX_CTL */
AM64X_IOPAD(0x0134, PIN_OUTPUT, 4) /* (AA10) PRG1_PRU1_GPO11.RGMII2_TD0 */
AM64X_IOPAD(0x0138, PIN_OUTPUT, 4) /* (V10) PRG1_PRU1_GPO12.RGMII2_TD1 */
AM64X_IOPAD(0x013c, PIN_OUTPUT, 4) /* (U10) PRG1_PRU1_GPO13.RGMII2_TD2 */
AM64X_IOPAD(0x0140, PIN_OUTPUT, 4) /* (AA11) PRG1_PRU1_GPO14.RGMII2_TD3 */
AM64X_IOPAD(0x0148, PIN_OUTPUT, 4) /* (Y10) PRG1_PRU1_GPO16.RGMII2_TXC */
AM64X_IOPAD(0x0144, PIN_OUTPUT, 4) /* (Y11) PRG1_PRU1_GPO15.RGMII2_TX_CTL */
>;
};
ospi0_pins_default: ospi0-pins-default {
pinctrl-single,pins = <
AM64X_IOPAD(0x0000, PIN_OUTPUT, 0) /* (N20) OSPI0_CLK */
AM64X_IOPAD(0x002c, PIN_OUTPUT, 0) /* (L19) OSPI0_CSn0 */
AM64X_IOPAD(0x000c, PIN_INPUT, 0) /* (M19) OSPI0_D0 */
AM64X_IOPAD(0x0010, PIN_INPUT, 0) /* (M18) OSPI0_D1 */
AM64X_IOPAD(0x0014, PIN_INPUT, 0) /* (M20) OSPI0_D2 */
AM64X_IOPAD(0x0018, PIN_INPUT, 0) /* (M21) OSPI0_D3 */
AM64X_IOPAD(0x001c, PIN_INPUT, 0) /* (P21) OSPI0_D4 */
AM64X_IOPAD(0x0020, PIN_INPUT, 0) /* (P20) OSPI0_D5 */
AM64X_IOPAD(0x0024, PIN_INPUT, 0) /* (N18) OSPI0_D6 */
AM64X_IOPAD(0x0028, PIN_INPUT, 0) /* (M17) OSPI0_D7 */
AM64X_IOPAD(0x0008, PIN_INPUT, 0) /* (N19) OSPI0_DQS */
>;
};
main_ecap0_pins_default: main-ecap0-pins-default {
pinctrl-single,pins = <
AM64X_IOPAD(0x0270, PIN_INPUT, 0) /* (D18) ECAP0_IN_APWM_OUT */
>;
};
};
&mcu_uart0 {
status = "disabled";
};
&mcu_uart1 {
status = "disabled";
};
&main_uart1 {
/* main_uart1 is reserved for firmware usage */
status = "reserved";
};
&main_uart2 {
status = "disabled";
};
&main_uart3 {
status = "disabled";
};
&main_uart4 {
status = "disabled";
};
&main_uart5 {
status = "disabled";
};
&main_uart6 {
status = "disabled";
};
&mcu_i2c0 {
status = "disabled";
};
&mcu_i2c1 {
status = "disabled";
};
&main_i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&main_i2c1_pins_default>;
clock-frequency = <400000>;
exp1: gpio@70 {
compatible = "nxp,pca9538";
reg = <0x70>;
gpio-controller;
#gpio-cells = <2>;
gpio-line-names = "GPIO_CPSW2_RST", "GPIO_CPSW1_RST",
"PRU_DETECT", "MMC1_SD_EN",
"VPP_LDO_EN", "RPI_PS_3V3_En",
"RPI_PS_5V0_En", "RPI_HAT_DETECT";
};
};
&main_i2c3 {
status = "disabled";
};
&mcu_spi0 {
status = "disabled";
};
&mcu_spi1 {
status = "disabled";
};
/* mcu_gpio0 is reserved for mcu firmware usage */
&mcu_gpio0 {
status = "reserved";
};
&sdhci1 {
/* SD/MMC */
vmmc-supply = <&vdd_mmc1>;
pinctrl-names = "default";
bus-width = <4>;
pinctrl-0 = <&main_mmc1_pins_default>;
ti,driver-strength-ohm = <50>;
disable-wp;
};
&serdes_ln_ctrl {
idle-states = <AM64_SERDES0_LANE0_USB>;
};
&serdes0 {
serdes0_usb_link: phy@0 {
reg = <0>;
cdns,num-lanes = <1>;
#phy-cells = <0>;
cdns,phy-type = <PHY_TYPE_USB3>;
resets = <&serdes_wiz0 1>;
};
};
&usbss0 {
ti,vbus-divider;
};
&usb0 {
dr_mode = "host";
maximum-speed = "super-speed";
pinctrl-names = "default";
pinctrl-0 = <&main_usb0_pins_default>;
phys = <&serdes0_usb_link>;
phy-names = "cdns3,usb3-phy";
};
&cpsw3g {
pinctrl-names = "default";
pinctrl-0 = <&mdio1_pins_default
&rgmii1_pins_default
&rgmii2_pins_default>;
};
&cpsw_port1 {
phy-mode = "rgmii-rxid";
phy-handle = <&cpsw3g_phy0>;
};
&cpsw_port2 {
phy-mode = "rgmii-rxid";
phy-handle = <&cpsw3g_phy1>;
};
&cpsw3g_mdio {
cpsw3g_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>;
};
cpsw3g_phy1: ethernet-phy@1 {
reg = <1>;
ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
};
};
&tscadc0 {
status = "disabled";
};
&ospi0 {
pinctrl-names = "default";
pinctrl-0 = <&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>;
cdns,tshsl-ns = <60>;
cdns,tsd2d-ns = <60>;
cdns,tchsh-ns = <60>;
cdns,tslch-ns = <60>;
cdns,read-delay = <4>;
#address-cells = <1>;
#size-cells = <1>;
};
};
&mailbox0_cluster2 {
mbox_main_r5fss0_core0: mbox-main-r5fss0-core0 {
ti,mbox-rx = <0 0 2>;
ti,mbox-tx = <1 0 2>;
};
mbox_main_r5fss0_core1: mbox-main-r5fss0-core1 {
ti,mbox-rx = <2 0 2>;
ti,mbox-tx = <3 0 2>;
};
};
&mailbox0_cluster3 {
status = "disabled";
};
&mailbox0_cluster4 {
mbox_main_r5fss1_core0: mbox-main-r5fss1-core0 {
ti,mbox-rx = <0 0 2>;
ti,mbox-tx = <1 0 2>;
};
mbox_main_r5fss1_core1: mbox-main-r5fss1-core1 {
ti,mbox-rx = <2 0 2>;
ti,mbox-tx = <3 0 2>;
};
};
&mailbox0_cluster5 {
status = "disabled";
};
&mailbox0_cluster6 {
mbox_m4_0: mbox-m4-0 {
ti,mbox-rx = <0 0 2>;
ti,mbox-tx = <1 0 2>;
};
};
&mailbox0_cluster7 {
status = "disabled";
};
&main_r5fss0_core0 {
mboxes = <&mailbox0_cluster2 &mbox_main_r5fss0_core0>;
memory-region = <&main_r5fss0_core0_dma_memory_region>,
<&main_r5fss0_core0_memory_region>;
};
&main_r5fss0_core1 {
mboxes = <&mailbox0_cluster2 &mbox_main_r5fss0_core1>;
memory-region = <&main_r5fss0_core1_dma_memory_region>,
<&main_r5fss0_core1_memory_region>;
};
&main_r5fss1_core0 {
mboxes = <&mailbox0_cluster4 &mbox_main_r5fss1_core0>;
memory-region = <&main_r5fss1_core0_dma_memory_region>,
<&main_r5fss1_core0_memory_region>;
};
&main_r5fss1_core1 {
mboxes = <&mailbox0_cluster4 &mbox_main_r5fss1_core1>;
memory-region = <&main_r5fss1_core1_dma_memory_region>,
<&main_r5fss1_core1_memory_region>;
};
&pcie0_rc {
status = "disabled";
};
&pcie0_ep {
status = "disabled";
};
&ecap0 {
/* PWM is available on Pin 1 of header J3 */
pinctrl-names = "default";
pinctrl-0 = <&main_ecap0_pins_default>;
};
&ecap1 {
status = "disabled";
};
&ecap2 {
status = "disabled";
};
&epwm0 {
status = "disabled";
};
&epwm1 {
status = "disabled";
};
&epwm2 {
status = "disabled";
};
&epwm3 {
status = "disabled";
};
&epwm4 {
/*
* EPWM4_A, EPWM4_B is available on Pin 32 and 33 on J4 (RPi hat)
* But RPi Hat will be used for other use cases, so marking epwm4 as disabled.
*/
status = "disabled";
};
&epwm5 {
/*
* EPWM5_A, EPWM5_B is available on Pin 29 and 31 on J4 (RPi hat)
* But RPi Hat will be used for other use cases, so marking epwm5 as disabled.
*/
status = "disabled";
};
&epwm6 {
status = "disabled";
};
&epwm7 {
status = "disabled";
};
&epwm8 {
status = "disabled";
};
&icssg0_mdio {
status = "disabled";
};
&icssg1_mdio {
status = "disabled";
};