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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;
mmc1 = &main_sdhci1;
serial2 = &main_uart8;
};
memory@80000000 {
device_type = "memory";
/* 32G RAM */
reg = <0x00 0x80000000 0x00 0x80000000>,
<0x08 0x80000000 0x07 0x80000000>;
bootph-pre-ram;
};
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;
};
};
/* Aquila SD_1_PWR_EN */
reg_sdhc1_vmmc: regulator-sdhci1 {
compatible = "regulator-fixed";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sd1_pwr_en>;
enable-active-high;
/* Aquila SD_1_PWR_EN (AQUILA A6) */
gpio = <&main_gpio0 52 GPIO_ACTIVE_HIGH>;
off-on-delay-us = <100000>;
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <3300000>;
regulator-name = "+3V3_SD";
startup-delay-us = <5000>;
};
reg_sdhc1_vqmmc: regulator-sdhci1-vqmmc {
compatible = "regulator-gpio";
/* SDIO_PWR_SEL_3.3V */
gpios = <&som_gpio_expander 7 GPIO_ACTIVE_HIGH>;
regulator-name = "+VDD_SD_DV";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
states = <1800000 0x0>,
<3300000 0x1>;
};
};
&main_pmx0 {
/* Aquila SD_1_PWR_EN */
pinctrl_sd1_pwr_en: main-gpio0-52-default-pins {
pinctrl-single,pins = <
J784S4_IOPAD(0x0d0, PIN_INPUT, 7) /* (AP38) SPI0_CS1.GPIO0_52 */ /* AQUILA A6 */
>;
};
/* Aquila SD_1 */
pinctrl_main_mmc1: main-mmc1-default-pins {
pinctrl-single,pins = <
J784S4_IOPAD(0x104, PIN_INPUT, 0) /* (AB38) MMC1_CLK */ /* AQUILA A6 */
J784S4_IOPAD(0x108, PIN_INPUT, 0) /* (AB36) MMC1_CMD */ /* AQUILA A4 */
J784S4_IOPAD(0x100, PIN_INPUT, 0) /* (No Pin) MMC1_CLKLB */
J784S4_IOPAD(0x0fc, PIN_INPUT, 0) /* (AA33) MMC1_DAT0 */ /* AQUILA A8 */
J784S4_IOPAD(0x0f8, PIN_INPUT, 0) /* (AB34) MMC1_DAT1 */ /* AQUILA A9 */
J784S4_IOPAD(0x0f4, PIN_INPUT, 0) /* (AA32) MMC1_DAT2 */ /* AQUILA A1 */
J784S4_IOPAD(0x0f0, PIN_INPUT, 0) /* (AC38) MMC1_DAT3 */ /* AQUILA A3 */
J784S4_IOPAD(0x0e8, PIN_INPUT_PULLUP, 8) /* (AR38) TIMER_IO0.MMC1_SDCD */ /* AQUILA A10 */
>;
};
/* 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 D19 */
J784S4_IOPAD(0x03c, PIN_OUTPUT, 11) /* (AK38) MCASP0_AFSX.UART8_TXD */ /* AQUILA D20 */
>;
};
};
&wkup_pmx2 {
/* On-module I2C - WKUP_I2C0 */
pinctrl_wkup_i2c0: wkup-i2c0-default-pins {
pinctrl-single,pins = <
J784S4_WKUP_IOPAD(0x098, PIN_INPUT, 0) /* (N33) WKUP_I2C0_SCL */
J784S4_WKUP_IOPAD(0x09c, PIN_INPUT, 0) /* (N35) WKUP_I2C0_SDA */
>;
};
};
&main_gpio0 {
status = "okay";
};
/* 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 SD_1 */
&main_sdhci1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_main_mmc1>;
disable-wp;
vmmc-supply = <®_sdhc1_vmmc>;
vqmmc-supply = <®_sdhc1_vqmmc>;
ti,driver-strength-ohm = <50>;
ti,fails-without-test-cd;
status = "disabled";
};
/* Aquila UART_3, used as the Linux console */
&main_uart8 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_main_uart8>;
status = "disabled";
};
&wkup_gpio0 {
status = "okay";
};
/* On-module I2C - WKUP_I2C0 */
&wkup_i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wkup_i2c0>;
clock-frequency = <400000>;
status = "okay";
som_gpio_expander: gpio@21 {
compatible = "ti,tca6408";
reg = <0x21>;
#gpio-cells = <2>;
gpio-controller;
gpio-line-names =
"USB_MUX_SEL",
"COLD_RESET_REQ",
"PWR_DOWN_REQ",
"PCIE_3_RESET#",
"PCIE_4_RESET#",
"WIFI_DISABLE",
"BT_DISABLE",
"SDIO_PWR_SEL_3.3V";
};
};
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