tests/drivers/spi/spi_loopback/boards/longan_nano.overlay

/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (c) 2022 TOKITA Hiroshi <tokita.hiroshi@gmail.com>
 */

#include <dt-bindings/dma/gd32_dma.h>

&dma0 {
	status = "okay";
};

&pinctrl {
	spi0_default: spi0_default {
		group1 {
			pinmux = <SPI0_MISO_PA6_INP_NORMP>, <SPI0_SCK_PA5_OUT_NORMP>,
				 <SPI0_MOSI_PA7_OUT_NORMP>, <SPI0_NSS_PA4_OUT_NORMP>;
		};
	};
};

&spi0 {
	status = "okay";
	pinctrl-0 = <&spi0_default>;
	pinctrl-names = "default";

	cs-gpios = <&gpioa 4 GPIO_ACTIVE_LOW>;

	dmas =  <&dma0 1 0>, <&dma0 2 0>;
	dma-names = "rx", "tx";

	slow@0 {
		compatible = "test-spi-loopback-slow";
		reg = <0>;
		spi-max-frequency = <500000>;
	};
	fast@0 {
		compatible = "test-spi-loopback-fast";
		reg = <0>;
		spi-max-frequency = <16000000>;
	};
};