u-boot/arch/arm/dts/am335x-sancloud-bbe-lite.dts

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com/
 * Copyright (C) 2021 SanCloud Ltd
 */
/dts-v1/;

#include "am33xx.dtsi"
#include "am335x-bone-common.dtsi"
#include "am335x-boneblack-common.dtsi"
#include "am335x-sancloud-bbe-common.dtsi"

/ {
	model = "SanCloud BeagleBone Enhanced Lite";
	compatible = "sancloud,am335x-boneenhanced",
		     "ti,am335x-bone-black",
		     "ti,am335x-bone",
		     "ti,am33xx";
};

&am33xx_pinmux {
	bb_spi0_pins: pinmux_bb_spi0_pins {
		pinctrl-single,pins = <
			AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_INPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_INPUT, MUX_MODE0)
			AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_INPUT, MUX_MODE0)
		>;
	};
};

&spi0 {
	#address-cells = <1>;
	#size-cells = <0>;

	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&bb_spi0_pins>;

	channel@0 {
		#address-cells = <1>;
		#size-cells = <0>;

		compatible = "micron,spi-authenta", "jedec,spi-nor";

		reg = <0>;
		spi-max-frequency = <16000000>;
		spi-cpha;
	};
};