// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* at91-sama5d29_curiosity.dts - Device Tree file for SAMA5D29 Curiosity board
*
* Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries
*
* Author: Mihai Sain <[email protected]>
*
*/
/dts-v1/;
#include "sama5d29.dtsi"
#include "sama5d2-pinfunc.h"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/mfd/atmel-flexcom.h>
/ {
model = "Microchip SAMA5D29 Curiosity";
compatible = "microchip,sama5d29-curiosity", "atmel,sama5d29", "atmel,sama5d2", "atmel,sama5";
aliases {
serial0 = &uart0; // debug
serial1 = &uart1; // RPi
serial2 = &uart3; // mikro BUS 2
serial3 = &uart4; // mikro BUS 1
serial4 = &uart6; // flx1 Bluetooth
i2c0 = &i2c0;
i2c1 = &i2c1;
};
chosen {
bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
stdout-path = "serial0:115200n8";
};
clocks {
slow_xtal {
clock-frequency = <32768>;
};
main_xtal {
clock-frequency = <24000000>;
};
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_key_gpio_default>;
button-1 {
label = "USER BUTTON";
gpios = <&pioA PIN_PA17 GPIO_ACTIVE_LOW>;
linux,code = <KEY_PROG1>;
wakeup-source;
};
};
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_led_gpio_default>;
status = "okay";
led-red {
label = "red";
gpios = <&pioA PIN_PA7 GPIO_ACTIVE_HIGH>;
};
led-green {
label = "green";
gpios = <&pioA PIN_PA8 GPIO_ACTIVE_HIGH>;
};
led-blue {
label = "blue";
gpios = <&pioA PIN_PA9 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "heartbeat";
};
};
memory@20000000 {
device_type = "memory";
reg = <0x20000000 0x20000000>;
};
reg_5v: regulator-5v {
compatible = "regulator-fixed";
regulator-name = "5V_MAIN";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
};
};
&adc {
vddana-supply = <&vdd_3v3>;
vref-supply = <&vdd_3v3>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>;
status = "okay";
};
&can0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_can0_default>;
status = "okay";
};
&can1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_can1_default>;
status = "okay";
};
&flx1 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
status = "okay";
uart6: serial@200 {
pinctrl-0 = <&pinctrl_flx1_default>;
pinctrl-names = "default";
atmel,use-dma-rx;
atmel,use-dma-tx;
status = "okay";
};
};
&flx4 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_SPI>;
status = "okay";
spi6: spi@400 {
dmas = <0>, <0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_rpi_spi>;
status = "okay";
};
};
&i2c0 {
dmas = <0>, <0>;
pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c0_default>;
pinctrl-1 = <&pinctrl_i2c0_gpio>;
sda-gpios = <&pioA PIN_PB31 GPIO_ACTIVE_HIGH>;
scl-gpios = <&pioA PIN_PC0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
i2c-sda-hold-time-ns = <350>;
status = "okay";
mcp16502@5b {
compatible = "microchip,mcp16502";
reg = <0x5b>;
lvin-supply = <®_5v>;
pvin1-supply = <®_5v>;
pvin2-supply = <®_5v>;
pvin3-supply = <®_5v>;
pvin4-supply = <®_5v>;
status = "okay";
lpm-gpios = <&pioBU 0 GPIO_ACTIVE_LOW>;
regulators {
vdd_3v3: VDD_IO {
regulator-name = "VDD_IO";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-initial-mode = <2>;
regulator-allowed-modes = <2>, <4>;
regulator-always-on;
regulator-state-standby {
regulator-on-in-suspend;
regulator-mode = <4>;
};
regulator-state-mem {
regulator-off-in-suspend;
regulator-mode = <4>;
};
};
vddio_ddr: VDD_DDR {
regulator-name = "VDD_DDR";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-initial-mode = <2>;
regulator-allowed-modes = <2>, <4>;
regulator-always-on;
regulator-state-standby {
regulator-on-in-suspend;
regulator-suspend-microvolt = <1200000>;
regulator-changeable-in-suspend;
regulator-mode = <4>;
};
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <1200000>;
regulator-changeable-in-suspend;
regulator-mode = <4>;
};
};
vdd_core: VDD_CORE {
regulator-name = "VDD_CORE";
regulator-min-microvolt = <1250000>;
regulator-max-microvolt = <1250000>;
regulator-initial-mode = <2>;
regulator-allowed-modes = <2>, <4>;
regulator-always-on;
regulator-state-standby {
regulator-on-in-suspend;
regulator-mode = <4>;
};
regulator-state-mem {
regulator-off-in-suspend;
regulator-mode = <4>;
};
};
vdd_ddr: VDD_OTHER {
regulator-name = "VDD_OTHER";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-initial-mode = <2>;
regulator-allowed-modes = <2>, <4>;
regulator-always-on;
regulator-state-standby {
regulator-on-in-suspend;
regulator-suspend-microvolt = <1800000>;
regulator-changeable-in-suspend;
regulator-mode = <4>;
};
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <1800000>;
regulator-changeable-in-suspend;
regulator-mode = <4>;
};
};
LDO1 {
regulator-name = "LDO1";
regulator-min-microvolt = <2500000>;
regulator-max-microvolt = <2500000>;
regulator-always-on;
regulator-state-standby {
regulator-on-in-suspend;
};
regulator-state-mem {
regulator-off-in-suspend;
};
};
LDO2 {
regulator-name = "LDO2";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-state-standby {
regulator-on-in-suspend;
};
regulator-state-mem {
regulator-off-in-suspend;
};
};
};
};
};
&i2c1 {
dmas = <0>, <0>;
pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c1_default>;
pinctrl-1 = <&pinctrl_i2c1_gpio>;
i2c-analog-filter;
i2c-digital-filter;
i2c-digital-filter-width-ns = <35>;
sda-gpios = <&pioA PIN_PD4 GPIO_ACTIVE_HIGH>;
scl-gpios = <&pioA PIN_PD5 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = "okay";
};
&pioA {
pinctrl_adc_default: adc-default {
pinmux = <PIN_PD25__GPIO>,
<PIN_PD26__GPIO>;
bias-disable;
};
pinctrl_adtrg_default: adtrg-default {
pinmux = <PIN_PD31__ADTRG>;
bias-pull-up;
};
pinctrl_can0_default: can0-default {
pinmux = <PIN_PC10__CANTX0>,
<PIN_PC11__CANRX0>;
bias-disable;
};
pinctrl_can1_default: can1-default {
pinmux = <PIN_PC26__CANTX1>,
<PIN_PC27__CANRX1>;
bias-disable;
};
pinctrl_debug_uart: debug-uart {
pinmux = <PIN_PB26__URXD0>,
<PIN_PB27__UTXD0>;
bias-disable;
};
pinctrl_flx1_default: flx1-default {
pinmux = <PIN_PA24__FLEXCOM1_IO0>,
<PIN_PA23__FLEXCOM1_IO1>,
<PIN_PA25__FLEXCOM1_IO3>,
<PIN_PA26__FLEXCOM1_IO4>;
bias-disable;
};
pinctrl_i2c0_default: i2c0-default {
pinmux = <PIN_PB31__TWD0>,
<PIN_PC0__TWCK0>;
bias-disable;
};
pinctrl_i2c0_gpio: i2c0-gpio-default {
pinmux = <PIN_PB31__GPIO>,
<PIN_PC0__GPIO>;
bias-disable;
};
pinctrl_i2c1_default: i2c1-default {
pinmux = <PIN_PD4__TWD1>,
<PIN_PD5__TWCK1>;
bias-disable;
};
pinctrl_i2c1_gpio: i2c1-gpio-default {
pinmux = <PIN_PD4__GPIO>,
<PIN_PD5__GPIO>;
bias-disable;
};
pinctrl_key_gpio_default: key-gpio-default {
pinmux = <PIN_PA17__GPIO>;
bias-pull-up;
};
pinctrl_led_gpio_default: led-gpio-default {
pinmux = <PIN_PA7__GPIO>,
<PIN_PA8__GPIO>,
<PIN_PA9__GPIO>;
bias-pull-up;
};
pinctrl_mikrobus1_pwm: mikrobus1-pwm {
pinmux = <PIN_PA31__PWML0>;
bias-disable;
};
pinctrl_mikrobus2_pwm: mikrobus2-pwm {
pinmux = <PIN_PB0__PWMH1>;
bias-disable;
};
pinctrl_mikrobus1_uart: mikrobus1-uart {
pinmux = <PIN_PB3__URXD4>,
<PIN_PB4__UTXD4>;
bias-disable;
};
pinctrl_mikrobus2_uart: mikrobus2-uart {
pinmux = <PIN_PB11__URXD3>,
<PIN_PB12__UTXD3>;
bias-disable;
};
pinctrl_qspi1_default: qspi1-default {
pinmux = <PIN_PB5__QSPI1_SCK>,
<PIN_PB6__QSPI1_CS>,
<PIN_PB7__QSPI1_IO0>,
<PIN_PB8__QSPI1_IO1>,
<PIN_PB9__QSPI1_IO2>,
<PIN_PB10__QSPI1_IO3>;
bias-disable;
};
pinctrl_rpi_spi: rpi-spi {
pinmux = <PIN_PD12__FLEXCOM4_IO0>,
<PIN_PD13__FLEXCOM4_IO1>,
<PIN_PD14__FLEXCOM4_IO2>,
<PIN_PD15__FLEXCOM4_IO3>,
<PIN_PD16__FLEXCOM4_IO4>;
bias-disable;
};
pinctrl_rpi_uart: rpi-uart {
pinmux = <PIN_PD2__URXD1>,
<PIN_PD3__UTXD1>;
bias-disable;
};
pinctrl_sdmmc0_default: sdmmc0-default {
pinmux = <PIN_PA0__SDMMC0_CK>,
<PIN_PA1__SDMMC0_CMD>,
<PIN_PA2__SDMMC0_DAT0>,
<PIN_PA3__SDMMC0_DAT1>,
<PIN_PA4__SDMMC0_DAT2>,
<PIN_PA5__SDMMC0_DAT3>,
<PIN_PA11__SDMMC0_VDDSEL>,
<PIN_PA13__SDMMC0_CD>;
bias-disable;
};
pinctrl_sdmmc1_default: sdmmc1-default {
pinmux = <PIN_PA18__SDMMC1_DAT0>,
<PIN_PA19__SDMMC1_DAT1>,
<PIN_PA20__SDMMC1_DAT2>,
<PIN_PA21__SDMMC1_DAT3>,
<PIN_PA22__SDMMC1_CK>,
<PIN_PA28__SDMMC1_CMD>,
<PIN_PA30__SDMMC1_CD>;
bias-disable;
};
pinctrl_spi1_default: spi1-default {
pinmux = <PIN_PC1__SPI1_SPCK>,
<PIN_PC2__SPI1_MOSI>,
<PIN_PC3__SPI1_MISO>,
<PIN_PC4__SPI1_NPCS0>,
<PIN_PC5__SPI1_NPCS1>,
<PIN_PC6__SPI1_NPCS2>,
<PIN_PC7__SPI1_NPCS3>;
bias-disable;
};
pinctrl_usb_default: usb-default {
pinmux = <PIN_PA6__GPIO>;
bias-disable;
};
pinctrl_usba_vbus: usba-vbus {
pinmux = <PIN_PB13__GPIO>;
bias-disable;
};
};
&pwm0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mikrobus1_pwm &pinctrl_mikrobus2_pwm>;
status = "okay";
};
&qspi1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_qspi1_default>;
status = "okay";
flash@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <80000000>;
spi-tx-bus-width = <4>;
spi-rx-bus-width = <4>;
m25p,fast-read;
label = "atmel_qspi1";
status = "okay";
at91bootstrap@0 {
label = "at91bootstrap";
reg = <0x0 0x40000>;
};
bootloader@40000 {
label = "bootloader";
reg = <0x40000 0xc0000>;
};
bootloaderenvred@100000 {
label = "bootloader env redundant";
reg = <0x100000 0x40000>;
};
bootloaderenv@140000 {
label = "bootloader env";
reg = <0x140000 0x40000>;
};
dtb@180000 {
label = "device tree";
reg = <0x180000 0x80000>;
};
kernel@200000 {
label = "kernel";
reg = <0x200000 0x600000>;
};
};
};
&sdmmc0 {
bus-width = <4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sdmmc0_default>;
disable-wp;
status = "okay";
};
&sdmmc1 {
bus-width = <4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sdmmc1_default>;
disable-wp;
status = "okay";
};
&shutdown_controller {
debounce-delay-us = <976>;
atmel,wakeup-rtc-timer;
input@0 {
reg = <0>;
};
};
&spi1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_spi1_default>;
status = "okay";
};
&tcb0 {
timer0: timer@0 {
compatible = "atmel,tcb-timer";
reg = <0>;
};
timer1: timer@1 {
compatible = "atmel,tcb-timer";
reg = <1>;
};
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_debug_uart>;
atmel,use-dma-rx;
atmel,use-dma-tx;
status = "okay";
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_rpi_uart>;
atmel,use-dma-rx;
atmel,use-dma-tx;
status = "okay";
};
&uart3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mikrobus2_uart>;
atmel,use-dma-rx;
atmel,use-dma-tx;
status = "okay";
};
&uart4 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mikrobus1_uart>;
atmel,use-dma-rx;
atmel,use-dma-tx;
status = "okay";
};
&usb0 {
atmel,vbus-gpio = <&pioA PIN_PB13 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usba_vbus>;
status = "okay";
};
&usb1 {
num-ports = <3>;
atmel,vbus-gpio = <0
&pioA PIN_PA6 GPIO_ACTIVE_HIGH
0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb_default>;
status = "okay";
};
&usb2 {
status = "okay";
};
&watchdog {
status = "okay";
};
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