// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* at91-sam9x60_curiosity.dts - Device Tree file for Microchip SAM9X60 Curiosity board
*
* Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries
*
* Author: Durai Manickam KR <[email protected]>
*/
/dts-v1/;
#include "sam9x60.dtsi"
#include <dt-bindings/input/input.h>
/ {
model = "Microchip SAM9X60 Curiosity";
compatible = "microchip,sam9x60-curiosity", "microchip,sam9x60", "atmel,at91sam9";
aliases {
i2c0 = &i2c0;
i2c1 = &i2c6;
serial2 = &uart7;
};
chosen {
stdout-path = "serial0:115200n8";
};
memory@20000000 {
reg = <0x20000000 0x8000000>;
};
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-user {
label = "PB_USER";
gpios = <&pioA 29 GPIO_ACTIVE_LOW>;
linux,code = <KEY_PROG1>;
wakeup-source;
};
};
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpio_leds>;
led-red {
label = "red";
gpios = <&pioD 17 GPIO_ACTIVE_HIGH>;
};
led-green {
label = "green";
gpios = <&pioD 19 GPIO_ACTIVE_HIGH>;
};
led-blue {
label = "blue";
gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "heartbeat";
};
};
vdd_1v8: regulator-0 {
compatible = "regulator-fixed";
regulator-always-on;
regulator-max-microvolt = <1800000>;
regulator-min-microvolt = <1800000>;
regulator-name = "VDD_1V8";
};
vdd_1v15: regulator-1 {
compatible = "regulator-fixed";
regulator-always-on;
regulator-max-microvolt = <1150000>;
regulator-min-microvolt = <1150000>;
regulator-name = "VDD_1V15";
};
vdd1_3v3: regulator-2 {
compatible = "regulator-fixed";
regulator-always-on;
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <3300000>;
regulator-name = "VDD1_3V3";
};
};
&adc {
vddana-supply = <&vdd1_3v3>;
vref-supply = <&vdd1_3v3>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>;
status = "okay";
};
&can0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_can0_rx_tx>;
status = "disabled"; /* Conflict with dbgu. */
};
&can1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_can1_rx_tx>;
status = "okay";
};
&dbgu {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_dbgu>;
status = "okay"; /* Conflict with can0. */
};
&ebi {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ebi_addr_nand &pinctrl_ebi_data_lsb>;
status = "okay";
nand_controller: nand-controller {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_nand_oe_we &pinctrl_nand_cs &pinctrl_nand_rb>;
status = "okay";
nand@3 {
reg = <0x3 0x0 0x800000>;
rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
nand-bus-width = <8>;
nand-ecc-mode = "hw";
nand-ecc-strength = <8>;
nand-ecc-step-size = <512>;
nand-on-flash-bbt;
label = "atmel_nand";
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
at91bootstrap@0 {
label = "at91bootstrap";
reg = <0x0 0x40000>;
};
uboot@40000 {
label = "u-boot";
reg = <0x40000 0xc0000>;
};
ubootenvred@100000 {
label = "U-Boot Env Redundant";
reg = <0x100000 0x40000>;
};
ubootenv@140000 {
label = "U-Boot Env";
reg = <0x140000 0x40000>;
};
dtb@180000 {
label = "device tree";
reg = <0x180000 0x80000>;
};
kernel@200000 {
label = "kernel";
reg = <0x200000 0x600000>;
};
rootfs@800000 {
label = "rootfs";
reg = <0x800000 0x1f800000>;
};
};
};
};
};
&flx0 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
status = "okay";
i2c0: i2c@600 {
dmas = <0>, <0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flx0_default>;
i2c-analog-filter;
i2c-digital-filter;
i2c-digital-filter-width-ns = <35>;
status = "okay";
eeprom@53 {
compatible = "atmel,24c02";
reg = <0x53>;
pagesize = <16>;
};
};
};
&flx6 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
status = "okay";
i2c6: i2c@600 {
dmas = <0>, <0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flx6_default>;
i2c-analog-filter;
i2c-digital-filter;
i2c-digital-filter-width-ns = <35>;
status = "disabled";
};
};
&flx7 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
status = "okay";
uart7: serial@200 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flx7_default>;
status = "okay";
};
};
&macb0 {
phy-mode = "rmii";
#address-cells = <1>;
#size-cells = <0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_macb0_rmii>;
status = "okay";
ethernet-phy@0 {
reg = <0x0>;
interrupt-parent = <&pioB>;
interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
};
};
&pinctrl {
adc {
pinctrl_adc_default: adc-default {
atmel,pins = <AT91_PIOB 14 AT91_PERIPH_A AT91_PINCTRL_NONE>;
};
pinctrl_adtrg_default: adtrg-default {
atmel,pins = <AT91_PIOB 18 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>;
};
};
can0 {
pinctrl_can0_rx_tx: can0-rx-tx {
atmel,pins =
<AT91_PIOA 9 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANRX0 */
AT91_PIOA 10 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANTX0 */
AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_DOWN>; /* Enable CAN Transceivers */
};
};
can1 {
pinctrl_can1_rx_tx: can1-rx-tx {
atmel,pins =
<AT91_PIOA 6 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANRX1 */
AT91_PIOA 5 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANTX1 */
AT91_PIOB 17 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_DOWN>; /* Enable CAN Transceivers */
};
};
dbgu {
pinctrl_dbgu: dbgu-0 {
atmel,pins = <AT91_PIOA 9 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
AT91_PIOA 10 AT91_PERIPH_A AT91_PINCTRL_NONE>;
};
};
ebi {
pinctrl_ebi_data_lsb: ebi-data-lsb {
atmel,pins =
<AT91_PIOD 6 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
AT91_PIOD 7 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
AT91_PIOD 8 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
AT91_PIOD 9 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
AT91_PIOD 10 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
AT91_PIOD 11 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
AT91_PIOD 12 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
AT91_PIOD 13 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
};
pinctrl_ebi_addr_nand: ebi-addr-nand {
atmel,pins =
<AT91_PIOD 2 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
AT91_PIOD 3 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
};
};
flexcom {
pinctrl_flx0_default: flx0-twi {
atmel,pins =
<AT91_PIOA 0 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
AT91_PIOA 1 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};
pinctrl_flx6_default: flx6-twi {
atmel,pins =
<AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};
pinctrl_flx7_default: flx7-usart {
atmel,pins =
<AT91_PIOC 0 AT91_PERIPH_C AT91_PINCTRL_NONE
AT91_PIOC 1 AT91_PERIPH_C AT91_PINCTRL_NONE>;
};
};
gpio-keys {
pinctrl_key_gpio_default: pinctrl-key-gpio {
atmel,pins = <AT91_PIOA 29 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
};
};
leds {
pinctrl_gpio_leds: gpio-leds {
atmel,pins = <AT91_PIOD 17 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
AT91_PIOD 19 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
AT91_PIOD 21 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
};
};
macb0 {
pinctrl_macb0_rmii: macb0-rmii-0 {
atmel,pins =
<AT91_PIOB 0 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB0 periph A */
AT91_PIOB 1 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB1 periph A */
AT91_PIOB 2 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB2 periph A */
AT91_PIOB 3 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB3 periph A */
AT91_PIOB 4 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB4 periph A */
AT91_PIOB 5 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB5 periph A */
AT91_PIOB 6 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB6 periph A */
AT91_PIOB 7 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB7 periph A */
AT91_PIOB 8 AT91_PERIPH_GPIO AT91_PINCTRL_NONE /* PB8 IRQ GPIO */
AT91_PIOB 9 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB9 periph A */
AT91_PIOB 10 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB10 periph A */
};
};
nand {
pinctrl_nand_oe_we: nand-oe-we-0 {
atmel,pins =
<AT91_PIOD 0 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
AT91_PIOD 1 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
};
pinctrl_nand_rb: nand-rb-0 {
atmel,pins =
<AT91_PIOD 5 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
};
pinctrl_nand_cs: nand-cs-0 {
atmel,pins =
<AT91_PIOD 4 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
};
};
pwm0 {
pinctrl_pwm0_0: pwm0-0 {
atmel,pins = <AT91_PIOB 12 AT91_PERIPH_B AT91_PINCTRL_NONE>;
};
pinctrl_pwm0_1: pwm0-1 {
atmel,pins = <AT91_PIOB 13 AT91_PERIPH_B AT91_PINCTRL_NONE>;
};
pinctrl_pwm0_2: pwm0-2 {
atmel,pins = <AT91_PIOD 16 AT91_PERIPH_B AT91_PINCTRL_NONE>;
};
};
sdmmc0 {
pinctrl_sdmmc0_default: sdmmc0 {
atmel,pins =
<AT91_PIOA 17 AT91_PERIPH_A (AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA17 CK periph A with pullup */
AT91_PIOA 16 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA16 CMD periph A with pullup */
AT91_PIOA 15 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA15 DAT0 periph A */
AT91_PIOA 18 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA18 DAT1 periph A with pullup */
AT91_PIOA 19 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA19 DAT2 periph A with pullup */
AT91_PIOA 20 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI)>; /* PA20 DAT3 periph A with pullup */
};
pinctrl_sdmmc0_cd: sdmmc0-cd {
atmel,pins =
<AT91_PIOA 25 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
};
};
sdmmc1 {
pinctrl_sdmmc1_default: sdmmc1 {
atmel,pins =
<AT91_PIOA 13 AT91_PERIPH_B (AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA13 CK periph B */
AT91_PIOA 12 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA12 CMD periph B with pullup */
AT91_PIOA 11 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA11 DAT0 periph B with pullup */
AT91_PIOA 2 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA2 DAT1 periph B with pullup */
AT91_PIOA 3 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA3 DAT2 periph B with pullup */
AT91_PIOA 4 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI)>; /* PA4 DAT3 periph B with pullup */
};
};
usb0 {
pinctrl_usba_vbus: usba-vbus {
atmel,pins = <AT91_PIOA 27 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
};
};
usb1 {
pinctrl_usb_default: usb-default {
atmel,pins = <AT91_PIOD 18 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
};
};
}; /* pinctrl */
&pwm0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pwm0_0 &pinctrl_pwm0_1 &pinctrl_pwm0_2>;
status = "okay";
};
&rtt {
atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
};
&sdmmc0 {
bus-width = <4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sdmmc0_default &pinctrl_sdmmc0_cd>;
cd-gpios = <&pioA 25 GPIO_ACTIVE_LOW>;
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>;
status = "okay";
input@0 {
reg = <0>;
};
};
&tcb0 {
timer0: timer@0 {
compatible = "atmel,tcb-timer";
reg = <0>;
};
timer1: timer@1 {
compatible = "atmel,tcb-timer";
reg = <1>;
};
};
&usb0 {
atmel,vbus-gpio = <&pioA 27 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usba_vbus>;
status = "okay";
};
&usb1 {
num-ports = <3>;
atmel,vbus-gpio = <0
&pioD 18 GPIO_ACTIVE_HIGH
&pioD 15 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb_default>;
status = "okay";
};
&usb2 {
status = "okay";
};
&watchdog {
status = "okay";
};
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