# Disable floating point hardware.
CONFIG_FPU=n

# Configure serial console over USB CDC ACM.
CONFIG_USB_DEVICE_STACK_NEXT=y
CONFIG_USBD_CDC_ACM_CLASS=y
CONFIG_UART_LINE_CTRL=y

# Disable networking.
CONFIG_NETWORKING=n

# Hardware features.
CONFIG_FLASH=y
CONFIG_FLASH_MAP=y
CONFIG_I2C=y
CONFIG_I2C_TARGET=y
CONFIG_SPI=y

# MicroPython config.
CONFIG_MICROPY_HEAP_SIZE=100608
CONFIG_FILE_SYSTEM=y
CONFIG_FILE_SYSTEM_LITTLEFS=y
CONFIG_FILE_SYSTEM_MKFS=y

/*
 * Copyright (c) 2025 Damien P. George
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/ {
	chosen {
		/* Use USB CDC ACM as the console. */
		zephyr,console = &cdc_acm_uart0;
	};

	fstab {
		compatible = "zephyr,fstab";
		lfs21: lfs21 {
			compatible = "zephyr,fstab,littlefs";
			mount-point = "/flash";
			partition = <&storage_partition>;
			read-size=<16>;
			prog-size=<4096>;
			cache-size=<4096>;
			lookahead-size=<32>;
			block-cycles=<4>;
		};
	};
};

/* Delete defined partitions and make a layout matching the rp2 port RPI_PICO configuration. */
/delete-node/ &code_partition;
&flash0 {
	reg = <0x10000000 DT_SIZE_M(16)>;
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		/* Code slot: 640 KiB - 0x100 placed after second-stage bootloader. */
		code_partition: partition@100 {
			label = "code-partition";
			reg = <0x00000100 (DT_SIZE_K(640) - 0x100)>;
			read-only;
		};

		/* Storage slot: 1408 KiB placed after code_partition. */
		storage_partition: partition@a0000 {
			label = "storage";
			reg = <0x000a0000 DT_SIZE_M(2)>;
		};
	};
};

&zephyr_udc0 {
	cdc_acm_uart0: cdc_acm_uart0 {
		compatible = "zephyr,cdc-acm-uart";
	};
};

&i2c1 {
	clock-frequency = <I2C_BITRATE_STANDARD>;
	status = "okay";
	pinctrl-0 = <&i2c1_default>;
	pinctrl-names = "default";
};