// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* at91-sam9x75_curiosity.dts - Device Tree file for Microchip SAM9X75 Curiosity board
*
* Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries
*
* Author: Varshini Rajendran <varshini.rajendran@microchip.com>
*/
/dts-v1/;
#include "sam9x7.dtsi"
#include <dt-bindings/input/input.h>
/ {
model = "Microchip SAM9X75 Curiosity";
compatible = "microchip,sam9x75-curiosity", "microchip,sam9x7", "atmel,at91sam9";
aliases {
i2c0 = &i2c6;
};
chosen {
stdout-path = "serial0:115200n8";
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_key_gpio_default>;
button-user {
label = "USER";
gpios = <&pioC 9 GPIO_ACTIVE_LOW>;
linux,code = <KEY_0>;
wakeup-source;
};
};
led-controller {
compatible = "gpio-leds";
led_red: led-red {
label = "red";
gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
pinctrl-0 = <&pinctrl_red_led_gpio_default>;
};
led_green: led-green {
label = "green";
gpios = <&pioC 21 GPIO_ACTIVE_HIGH>;
pinctrl-0 = <&pinctrl_green_led_gpio_default>;
};
led_blue: led-blue {
label = "blue";
gpios = <&pioC 20 GPIO_ACTIVE_HIGH>;
pinctrl-0 = <&pinctrl_blue_led_gpio_default>;
linux,default-trigger = "heartbeat";
};
};
memory@20000000 {
reg = <0x20000000 0x10000000>;
device_type = "memory";
};
};
&classd {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_classd_default>;
atmel,pwm-type = "diff";
atmel,non-overlap-time = <10>;
status = "okay";
};
&dbgu {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_dbgu_default>;
status = "okay";
};
&dma0 {
status = "okay";
};
&flx6 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
status = "okay";
};
&i2c6 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flx6_default>;
i2c-analog-filter;
i2c-digital-filter;
i2c-digital-filter-width-ns = <35>;
status = "okay";
pmic@5b {
compatible = "microchip,mcp16502";
reg = <0x5b>;
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-mode = <4>;
};
};
vddioddr: VDD_DDR {
regulator-name = "VDD_DDR";
regulator-min-microvolt = <1350000>;
regulator-max-microvolt = <1350000>;
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-on-in-suspend;
regulator-mode = <4>;
};
};
vddcore: VDD_CORE {
regulator-name = "VDD_CORE";
regulator-min-microvolt = <1150000>;
regulator-max-microvolt = <1150000>;
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-mode = <4>;
};
};
dcdc4: VDD_OTHER {
regulator-name = "VDD_OTHER";
regulator-min-microvolt = <1150000>;
regulator-max-microvolt = <1150000>;
regulator-initial-mode = <2>;
regulator-allowed-modes = <2>, <4>;
regulator-ramp-delay = <3125>;
regulator-always-on;
regulator-state-standby {
regulator-on-in-suspend;
regulator-mode = <4>;
};
regulator-state-mem {
regulator-mode = <4>;
};
};
vldo1: LDO1 {
regulator-name = "LDO1";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-state-standby {
regulator-on-in-suspend;
};
};
vldo2: LDO2 {
regulator-name = "LDO2";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-state-standby {
regulator-on-in-suspend;
};
};
};
};
};
&flx7 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
status = "okay";
};
&i2c7 {
dmas = <0>, <0>;
i2c-analog-filter;
i2c-digital-filter;
i2c-digital-filter-width-ns = <35>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flx7_default>;
status = "okay";
power-monitor@10 {
compatible = "microchip,pac1934";
reg = <0x10>;
#address-cells = <1>;
#size-cells = <0>;
channel@1 {
reg = <0x1>;
shunt-resistor-micro-ohms = <10000>;
label = "VDD3V3";
};
channel@2 {
reg = <0x2>;
shunt-resistor-micro-ohms = <10000>;
label = "DCDC4";
};
channel@3 {
reg = <0x3>;
shunt-resistor-micro-ohms = <10000>;
label = "VDDCORE";
};
channel@4 {
reg = <0x4>;
shunt-resistor-micro-ohms = <10000>;
label = "VDDIODDR";
};
};
};
&i2s {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2s_default>;
#sound-dai-cells = <0>;
status = "okay";
};
&main_xtal {
clock-frequency = <24000000>;
};
&pinctrl {
classd {
pinctrl_classd_default: classd-default {
atmel,pins =
<AT91_PIOA 18 AT91_PERIPH_C AT91_PINCTRL_PULL_UP>,
<AT91_PIOA 19 AT91_PERIPH_C AT91_PINCTRL_PULL_DOWN>;
};
};
dbgu {
pinctrl_dbgu_default: dbgu-default {
atmel,pins = <AT91_PIOA 26 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
<AT91_PIOA 27 AT91_PERIPH_A AT91_PINCTRL_NONE>;
};
};
flexcom {
pinctrl_flx6_default: flx6-default {
atmel,pins =
<AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
<AT91_PIOA 25 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
};
pinctrl_flx7_default: flx7-default {
atmel,pins =
<AT91_PIOC 0 AT91_PERIPH_C AT91_PINCTRL_PULL_UP>,
<AT91_PIOC 1 AT91_PERIPH_C AT91_PINCTRL_PULL_UP>;
};
};
gpio-keys {
pinctrl_key_gpio_default: key-gpio-default {
atmel,pins = <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
};
};
i2s {
pinctrl_i2s_default: i2s-default {
atmel,pins =
<AT91_PIOB 26 AT91_PERIPH_D AT91_PINCTRL_NONE>, /* I2SCK */
<AT91_PIOB 15 AT91_PERIPH_D AT91_PINCTRL_NONE>, /* I2SWS */
<AT91_PIOB 16 AT91_PERIPH_D AT91_PINCTRL_NONE>, /* I2SDIN */
<AT91_PIOB 17 AT91_PERIPH_D AT91_PINCTRL_NONE>, /* I2SDOUT */
<AT91_PIOB 25 AT91_PERIPH_D AT91_PINCTRL_NONE>; /* I2SMCK */
};
};
led-controller {
pinctrl_red_led_gpio_default: red-led-gpio-default {
atmel,pins = <AT91_PIOC 14 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
};
pinctrl_green_led_gpio_default: green-led-gpio-default {
atmel,pins = <AT91_PIOC 21 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
};
pinctrl_blue_led_gpio_default: blue-led-gpio-default {
atmel,pins = <AT91_PIOC 20 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
};
};
sdmmc0 {
pinctrl_sdmmc0_default: sdmmc0-default {
atmel,pins =
<AT91_PIOA 2 AT91_PERIPH_A (AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA
)>, /* PA2 CK periph A with pullup */
<AT91_PIOA 1 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA1 CMD periph A with pullup */
<AT91_PIOA 0 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA0 DAT0 periph A */
<AT91_PIOA 3 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA3 DAT1 periph A with pullup */
<AT91_PIOA 4 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA4 DAT2 periph A with pullup */
<AT91_PIOA 5 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>; /* PA5 DAT3 periph A with pullup */
};
};
}; /* pinctrl */
&poweroff {
debounce-delay-us = <976>;
status = "okay";
input@0 {
reg = <0>;
};
};
&rtt {
atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
};
&sdmmc0 {
bus-width = <4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sdmmc0_default>;
cd-gpios = <&pioA 23 GPIO_ACTIVE_LOW>;
disable-wp;
status = "okay";
};
&slow_xtal {
clock-frequency = <32768>;
};
&tcb {
timer0: timer@0 {
compatible = "atmel,tcb-timer";
reg = <0>;
};
timer1: timer@1 {
compatible = "atmel,tcb-timer";
reg = <1>;
};
};
&trng {
status = "okay";
};
&watchdog {
status = "okay";
};
