u-boot-brain/arch/arm/dts/r8a7790-stout.dts

/*
 * Device Tree Source for the Stout board
 *
 * Copyright (C) 2018 Marek Vasut <marek.vasut@gmail.com>
 *
 * SPDX-License-Identifier:	GPL-2.0
 */

/dts-v1/;
#include "r8a7790.dtsi"

/ {
	model = "Stout";
	compatible = "renesas,stout", "renesas,r8a7790";

	aliases {
		serial0 = &scif0;
	};

	memory@40000000 {
		device_type = "memory";
		reg = <0 0x40000000 0 0x40000000>;
	};
};

&extal_clk {
	clock-frequency = <20000000>;
};

&pfc {
	pinctrl-0 = <&scif_clk_pins>;
	pinctrl-names = "default";

	scif0_pins: scif0 {
		groups = "scif0_data";
		function = "scif0";
	};

	scif_clk_pins: scif_clk {
		groups = "scif_clk";
		function = "scif_clk";
	};
};

&scif0 {
	pinctrl-0 = <&scif0_pins>;
	pinctrl-names = "default";

	status = "okay";
};

&scif_clk {
	clock-frequency = <14745600>;
};