| /* |
| * Copyright (c) 2018 Google LLC. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /dts-v1/; |
| #include <atmel/samd21.dtsi> |
| |
| / { |
| model = "Adafruit Trinket M0"; |
| compatible = "adafruit,trinket-m0", "atmel,samd21e18a", "atmel,samd21"; |
| |
| chosen { |
| zephyr,console = &sercom0; |
| zephyr,shell-uart = &sercom0; |
| zephyr,sram = &sram0; |
| zephyr,flash = &flash0; |
| zephyr,code-partition = &code_partition; |
| }; |
| |
| /* These aliases are provided for compatibility with samples */ |
| aliases { |
| led0 = &led0; |
| pwm-led0 = &pwm_led0; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| led0: led_0 { |
| gpios = <&porta 10 0>; |
| label = "LED"; |
| }; |
| }; |
| |
| pwmleds { |
| compatible = "pwm-leds"; |
| |
| pwm_led0: pwm_led_0 { |
| pwms = <&tcc0 2>; |
| }; |
| }; |
| }; |
| |
| &cpu0 { |
| clock-frequency = <48000000>; |
| }; |
| |
| &sercom0 { |
| status = "okay"; |
| compatible = "atmel,sam0-uart"; |
| current-speed = <115200>; |
| rxpo = <3>; |
| txpo = <1>; |
| |
| pinctrl-0 = <&pa7d_sercom0_pad3 &pa6d_sercom0_pad2>; |
| }; |
| |
| &sercom2 { |
| status = "okay"; |
| compatible = "atmel,sam0-uart"; |
| current-speed = <115200>; |
| rxpo = <1>; |
| txpo = <0>; |
| |
| pinctrl-0 = <&pa9d_sercom2_pad1 &pa8d_sercom2_pad0>; |
| }; |
| |
| /* Drives the on-board DotStar LED */ |
| &sercom1 { |
| status = "okay"; |
| compatible = "atmel,sam0-spi"; |
| dipo = <2>; |
| dopo = <0>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| led1: apa102@0 { |
| compatible = "apa,apa102"; |
| reg = <0>; |
| spi-max-frequency = <24000000>; |
| label = "LED1"; |
| }; |
| }; |
| |
| &tcc0 { |
| status = "okay"; |
| compatible = "atmel,sam0-tcc-pwm"; |
| /* Gives a maximum period of 1.4 s */ |
| prescaler = <4>; |
| |
| #pwm-cells = <1>; |
| }; |
| |
| &flash0 { |
| partitions { |
| compatible = "fixed-partitions"; |
| #address-cells = <1>; |
| #size-cells = <1>; |
| |
| boot_partition: partition@0 { |
| label = "uf2"; |
| reg = <0x00000000 0x2000>; |
| read-only; |
| }; |
| |
| code_partition: partition@2000 { |
| label = "code"; |
| reg = <0x2000 0x3A000>; |
| read-only; |
| }; |
| |
| /* |
| * The final 16 KiB is reserved for the application. |
| * Storage partition will be used by FCB/LittleFS/NVS |
| * if enabled. |
| */ |
| storage_partition: partition@3c000 { |
| label = "storage"; |
| reg = <0x0003c000 0x00004000>; |
| }; |
| }; |
| }; |
| |
| zephyr_udc0: &usb0 { |
| status = "okay"; |
| }; |