/* * Copyright 2024 NXP * * SPDX-License-Identifier: Apache-2.0 */ /* To test this sample, connect * SDO(J2-3) --> SDI(J2-4) */ &pinctrl { pinmux_flexio_spi0: pinmux_flexio_spi0 { group0 { pinmux = , /* cs */ , /* sck */ , /* sdo */ ; /* sdi */ drive-strength = "low"; slew-rate = "slow"; }; }; }; &flexio { status = "okay"; flexio_spi0: flexio_spi0 { compatible = "nxp,flexio-spi"; status = "okay"; #address-cells = <1>; #size-cells = <0>; cs-gpios = <&gpioa 8 GPIO_ACTIVE_LOW>; sdo-pin = <7>; sdi-pin = <1>; sck-pin = <4>; pinctrl-0 = <&pinmux_flexio_spi0>; pinctrl-names = "default"; slow@0 { status = "okay"; compatible = "test-spi-loopback-slow"; reg = <0>; spi-max-frequency = <500000>; }; fast@0 { compatible = "test-spi-loopback-fast"; reg = <0>; spi-max-frequency = <4000000>; }; }; }; &gpioa { status = "okay"; };