ec65cac971
Although the rpi_pico can already build and run with the zephyr port, this configuration improves it in a number of ways: - Use the USB CDC ACM as the REPL, rather than just a UART. - Enable I2C and SPI, and add I2C1. - Enable a filesystem, which matches exactly the rp2 port's RPI_PICO configuration. So switching between zephyr and rp2 is possible and will retain the filesystem. - Make the MicroPython GC heap make the most use of the available RAM. Signed-off-by: Damien George <damien@micropython.org>
48 lines
1,018 B
Text
48 lines
1,018 B
Text
/*
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* Copyright (c) 2025 Damien P. George
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/ {
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chosen {
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/* Use USB CDC ACM as the console. */
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zephyr,console = &cdc_acm_uart0;
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};
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};
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/* Delete defined partitions and make a layout matching the rp2 port RPI_PICO configuration. */
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/delete-node/ &code_partition;
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&flash0 {
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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/* Code slot: 640 KiB - 0x100 placed after second-stage bootloader. */
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code_partition: partition@100 {
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label = "code-partition";
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reg = <0x00000100 (DT_SIZE_K(640) - 0x100)>;
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read-only;
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};
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/* Storage slot: 1408 KiB placed after code_partition. */
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storage_partition: partition@a0000 {
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label = "storage";
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reg = <0x000a0000 DT_SIZE_K(1408)>;
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};
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};
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};
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&zephyr_udc0 {
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cdc_acm_uart0: cdc_acm_uart0 {
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compatible = "zephyr,cdc-acm-uart";
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};
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};
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&i2c1 {
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clock-frequency = <I2C_BITRATE_STANDARD>;
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status = "okay";
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pinctrl-0 = <&i2c1_default>;
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pinctrl-names = "default";
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};
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