139 lines
2.4 KiB
Plaintext
139 lines
2.4 KiB
Plaintext
/*
|
|
* Copyright (c) 2020 Alexander Falb <fal3xx@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
/dts-v1/;
|
|
#include <atmel/samd21.dtsi>
|
|
#include "serpente-pinctrl.dtsi"
|
|
|
|
/ {
|
|
model = "Serpente";
|
|
compatible = "arturo182,serpente";
|
|
|
|
chosen {
|
|
zephyr,console = &sercom2;
|
|
zephyr,shell-uart = &sercom2;
|
|
zephyr,sram = &sram0;
|
|
zephyr,flash = &flash0;
|
|
zephyr,code-partition = &code_partition;
|
|
};
|
|
|
|
aliases {
|
|
led0 = &red_led;
|
|
led1 = &green_led;
|
|
led2 = &blue_led;
|
|
red-led = &red_led;
|
|
green-led = &green_led;
|
|
blue-led = &blue_led;
|
|
|
|
pwm-led0 = &red_pwm_led;
|
|
pwm-led1 = &green_pwm_led;
|
|
pwm-led2 = &blue_pwm_led;
|
|
red-pwm-led = &red_pwm_led;
|
|
green-pwm-led = &green_pwm_led;
|
|
blue-pwm-led = &blue_pwm_led;
|
|
};
|
|
|
|
leds {
|
|
compatible = "gpio-leds";
|
|
red_led: led_0 {
|
|
gpios = <&porta 22 GPIO_ACTIVE_LOW>;
|
|
label = "Red LED";
|
|
};
|
|
green_led: led_1 {
|
|
gpios = <&porta 19 GPIO_ACTIVE_LOW>;
|
|
label = "Green LED";
|
|
};
|
|
blue_led: led_2 {
|
|
gpios = <&porta 23 GPIO_ACTIVE_LOW>;
|
|
label = "Blue LED";
|
|
};
|
|
};
|
|
|
|
pwmleds {
|
|
compatible = "pwm-leds";
|
|
red_pwm_led: pwm_led_0 {
|
|
pwms = <&tcc0 0 PWM_MSEC(20)>;
|
|
label = "Red PWM LED";
|
|
};
|
|
green_pwm_led: pwm_led_1 {
|
|
pwms = <&tcc0 3 PWM_MSEC(20)>;
|
|
label = "Green PWM LED";
|
|
};
|
|
blue_pwm_led: pwm_led_2 {
|
|
pwms = <&tcc0 1 PWM_MSEC(20)>;
|
|
label = "Blue PWM LED";
|
|
};
|
|
};
|
|
};
|
|
|
|
&cpu0 {
|
|
clock-frequency = <48000000>;
|
|
};
|
|
|
|
&sercom0 {
|
|
status = "okay";
|
|
};
|
|
|
|
&sercom2 {
|
|
status = "okay";
|
|
compatible = "atmel,sam0-uart";
|
|
current-speed = <115200>;
|
|
rxpo = <1>;
|
|
txpo = <0>;
|
|
|
|
pinctrl-0 = <&sercom2_uart_default>;
|
|
pinctrl-names = "default";
|
|
};
|
|
|
|
&sercom3 {
|
|
status = "okay";
|
|
compatible = "atmel,sam0-spi";
|
|
dipo = <1>;
|
|
dopo = <1>;
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
pinctrl-0 = <&sercom3_spi_default>;
|
|
pinctrl-names = "default";
|
|
};
|
|
|
|
zephyr_udc0: &usb0 {
|
|
status = "okay";
|
|
|
|
pinctrl-0 = <&usb_dc_default>;
|
|
pinctrl-names = "default";
|
|
};
|
|
|
|
&tcc0 {
|
|
status = "okay";
|
|
compatible = "atmel,sam0-tcc-pwm";
|
|
prescaler = <4>;
|
|
#pwm-cells = <2>;
|
|
|
|
pinctrl-0 = <&pwm_default>;
|
|
pinctrl-names = "default";
|
|
};
|
|
|
|
&flash0 {
|
|
partitions {
|
|
compatible = "fixed-partitions";
|
|
#address-cells = <1>;
|
|
#size-cells = <1>;
|
|
|
|
boot_partition: partition@0 {
|
|
label = "uf2";
|
|
reg = <0x00000000 DT_SIZE_K(8)>;
|
|
read-only;
|
|
};
|
|
|
|
code_partition: partition@2000 {
|
|
label = "code";
|
|
reg = <0x2000 DT_SIZE_K(256-8)>;
|
|
read-only;
|
|
};
|
|
};
|
|
};
|