overlay-mcux-flexio-spi.overlay

/*
 * Copyright (c) 2024, STRIM, ALC
 * Copyright (c) 2025, NXP
 * SPDX-License-Identifier: Apache-2.0
 */

 /* On RT1060 EVKC, SPI loopback test, short J17-9 and J17-10
  * On RT1064 EVK,  SPI loopback test, short J24-9 and J24-10
  */

&pinctrl {
	pinmux_flexio3spi0: pinmux_flexio3spi0 {
		group0 {
			pinmux =
				<&iomuxc_gpio_ad_b0_03_gpio1_io03>, /* cs */
				<&iomuxc_gpio_ad_b1_10_flexio3_flexio10>, /* sck */
				<&iomuxc_gpio_ad_b1_00_flexio3_flexio00>, /* sdo */
				<&iomuxc_gpio_ad_b1_01_flexio3_flexio01>; /* sdi */
			drive-strength = "r0-6";
			slew-rate = "slow";
			nxp,speed = "150-mhz";
		};
	};

};

&flexio3 {
	status = "okay";
	flexio3_spi0: flexio3_spi0 {
		compatible = "nxp,flexio-spi";
		status = "okay";
		#address-cells = <1>;
		#size-cells = <0>;
		cs-gpios = <&gpio1 3 GPIO_ACTIVE_LOW>;
		sdo-pin = <0>;
		sdi-pin = <1>;
		sck-pin = <10>;
		pinctrl-0 = <&pinmux_flexio3spi0>;
		pinctrl-names = "default";
		slow@0 {
			status = "okay";
			compatible = "test-spi-loopback-slow";
			reg = <0>;
			spi-max-frequency = <500000>;
		};

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

};