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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/*
* Copyright 2024 Toradex
*
* Common dtsi for Toradex Aquila AM69 SoM
*
* https://www.toradex.com/computer-on-modules/aquila-arm-family/ti-am69
*/
#include <dt-bindings/net/ti-dp83867.h>
#include <dt-bindings/gpio/gpio.h>
#include "k3-j784s4.dtsi"
/ {
chosen {
stdout-path = "serial2:115200n8";
};
aliases {
mmc0 = &main_sdhci0;
serial0 = &wkup_uart0;
serial1 = &mcu_uart0;
serial2 = &main_uart8;
serial3 = &main_uart1;
};
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;
/* global cma region */
linux,cma {
compatible = "shared-dma-pool";
reusable;
size = <0x00 0x70000000>;
linux,cma-default;
};
secure_ddr: optee@9e800000 {
reg = <0x00 0x9e800000 0x00 0x01800000>;
no-map;
};
};
};
&main_pmx0 {
/* Aquila UART_1 */
pinctrl_main_uart1: main-uart1-default-pins {
pinctrl-single,pins = <
J784S4_IOPAD(0x05c, PIN_INPUT, 11) /* (AC36) MCASP2_AXR0.UART1_CTSn */ /* AQUILA B37 */
J784S4_IOPAD(0x060, PIN_OUTPUT, 11) /* (AE36) MCASP2_AXR1.UART1_RTSn */ /* AQUILA B36 */
J784S4_IOPAD(0x054, PIN_INPUT, 11) /* (AD37) MCASP2_ACLKX.UART1_RXD */ /* AQUILA B34 */
J784S4_IOPAD(0x058, PIN_OUTPUT, 11) /* (AE37) MCASP2_AFSX.UART1_TXD */ /* AQUILA B35 */
>;
};
/* Aquila UART_3, used as the Linux console */
pinctrl_main_uart8: main-uart8-default-pins {
pinctrl-single,pins = <
J784S4_IOPAD(0x038, PIN_INPUT, 11) /* (AK35) MCASP0_ACLKX.UART8_RXD */ /* AQUILA D22 */
J784S4_IOPAD(0x03c, PIN_OUTPUT, 11) /* (AK38) MCASP0_AFSX.UART8_TXD */ /* AQUILA D23 */
>;
};
};
&wkup_pmx1 {
/* Aquila UART_4 */
pinctrl_mcu_uart0: mcu-uart0-default-pins {
pinctrl-single,pins = <
J784S4_WKUP_IOPAD(0x018, PIN_INPUT, 4) /* (D31) MCU_OSPI1_D1.MCU_UART0_RXD */ /* AQUILA D24 */
J784S4_WKUP_IOPAD(0x01c, PIN_OUTPUT, 4) /* (G31) MCU_OSPI1_D2.MCU_UART0_TXD */ /* AQUILA D25 */
>;
};
};
&wkup_pmx2 {
/* Aquila UART_2 */
pinctrl_wkup_uart0: wkup-uart0-default-pins {
pinctrl-single,pins = <
J784S4_WKUP_IOPAD(0x070, PIN_INPUT, 0) /* (L37) WKUP_GPIO0_6.WKUP_UART0_CTSn */ /* AQUILA L37 */
J784S4_WKUP_IOPAD(0x074, PIN_OUTPUT, 0) /* (L36) WKUP_GPIO0_7.WKUP_UART0_RTSn */ /* AQUILA L36 */
J784S4_WKUP_IOPAD(0x048, PIN_INPUT, 0) /* (K35) WKUP_UART0_RXD */ /* AQUILA K35 */
J784S4_WKUP_IOPAD(0x04c, PIN_OUTPUT, 0) /* (K34) WKUP_UART0_TXD */ /* AQUILA K34 */
>;
};
};
/* On-module eMMC */
&main_sdhci0 {
disable-wp;
no-mmc-hs400; /* TODO: verify the actual status, copied from TI SK AM69 */
non-removable;
ti,driver-strength-ohm = <50>;
status = "okay";
};
/* Aquila UART_1 */
&main_uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_main_uart1>;
status = "disabled";
};
/* Aquila UART_3, used as the Linux console */
&main_uart8 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_main_uart8>;
status = "disabled";
};
/* Aquila UART_4 */
&mcu_uart0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mcu_uart0>;
status = "disabled";
};
/* Aquila UART_2 */
&wkup_uart0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wkup_uart0>;
status = "disabled";
};
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