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boards: riscv: add Seeed Studio xiao_esp32c3

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Add Seeed Studio xiao_esp32c3, an ESP32-C3 based board using the XIAO
form factor.

Signed-off-by: Fabio Baltieri <fabiobaltieri@google.com>
This commit is contained in:
Fabio Baltieri 2022-12-06 16:06:44 +00:00 • committed by Carles Cufí
commit d75607f234
12 changed files with 417 additions and 0 deletions
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141
boards/riscv/xiao_esp32c3/xiao_esp32c3.dts Normal file
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/*
* Copyright 2022 Google LLC
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <espressif/esp32c3.dtsi>
#include "xiao_esp32c3-pinctrl.dtsi"
#include "seeed_xiao_connector.dtsi"
/ {
model = "Seeed XIAO ESP32C3";
compatible = "seeed,xiao-esp32c3";
chosen {
zephyr,sram = &sram0;
zephyr,console = &usb_serial;
zephyr,shell-uart = &usb_serial;
zephyr,flash = &flash0;
zephyr,canbus = &twai;
};
aliases {
i2c-0 = &i2c0;
watchdog0 = &wdt0;
};
power-states {
light_sleep: light_sleep {
compatible = "zephyr,power-state";
power-state-name = "standby";
min-residency-us = <200>;
exit-latency-us = <60>;
};
deep_sleep: deep_sleep {
compatible = "zephyr,power-state";
power-state-name = "soft-off";
min-residency-us = <660>;
exit-latency-us = <105>;
};
};
};
&cpu0 {
clock-frequency = <ESP32_CLK_CPU_160M>;
cpu-power-states = <&deep_sleep &light_sleep>;
};
&uart0 {
status = "okay";
current-speed = <115200>;
pinctrl-0 = <&uart0_default>;
pinctrl-names = "default";
};
&usb_serial {
status = "okay";
};
&i2c0 {
status = "okay";
clock-frequency = <I2C_BITRATE_STANDARD>;
pinctrl-0 = <&i2c0_default>;
pinctrl-names = "default";
};
&trng0 {
status = "okay";
};
&spi2 {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
pinctrl-0 = <&spim2_default>;
pinctrl-names = "default";
};
&gpio0 {
status = "okay";
};
&wdt0 {
status = "okay";
};
&timer0 {
status = "okay";
};
&timer1 {
status = "okay";
};
&twai {
status = "okay";
pinctrl-0 = <&twai_default>;
pinctrl-names = "default";
bus-speed = <125000>;
};
&wifi {
status = "okay";
};
&flash0 {
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
boot_partition: partition@0 {
label = "mcuboot";
reg = <0x00000000 0x0000F000>;
read-only;
};
slot0_partition: partition@10000 {
label = "image-0";
reg = <0x00010000 0x00100000>;
};
slot1_partition: partition@110000 {
label = "image-1";
reg = <0x00110000 0x00100000>;
};
scratch_partition: partition@210000 {
label = "image-scratch";
reg = <0x00210000 0x00040000>;
};
storage_partition: partition@250000 {
label = "storage";
reg = <0x00250000 0x00006000>;
};
};
};