u-boot/arch/arm/dts/r9a06g032-rzn1-snarc.dts

// SPDX-License-Identifier: GPL-2.0
/*
 * Device Tree Source for Schneider RZ/N1 Board
 *
 * Based on r9a06g032-rzn1d400-db.dts
 */

/dts-v1/;

#include <dt-bindings/pinctrl/rzn1-pinctrl.h>
#include "r9a06g032.dtsi"

/ {
	model = "Schneider RZ/N1 Board";
	compatible = "schneider,rzn1", "renesas,r9a06g032";

	chosen {
		stdout-path = "serial0:115200n8";
	};

	aliases {
		serial0 = &uart0;
	};

	memory {
		device_type = "memory";
		reg = <0x80000000 0x10000000>;
	};

	soc {
		plat_regs: syscon@4000c000 {
			compatible = "syscon";
			reg = <0x4000c000 0x1000>;
		};

		system-controller@4000c000 {
			regmap = <&plat_regs>;
		};

		ddrctrl: memory-controller@4000d000 {
			compatible = "cadence,ddr-ctrl";
			reg = <0x4000d000 0x1000>, <0x4000e000 0x100>;
			reg-names = "ddrc", "phy";
			interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&sysctrl R9A06G032_CLK_DDRC>, <&sysctrl R9A06G032_HCLK_DDRC>;
			clock-names = "clk_ddrc", "hclk_ddrc";
			syscon = <&plat_regs>;
			status = "disabled";
		};
	};

	reboot {
		compatible = "syscon-reboot";
		regmap = <&plat_regs>;
		offset = <0x198>;       /* sysctrl.RSTEN */
		mask = <0x40>;          /* bit 6 = SWRST_REQ */
		value = <0x40>;
	};
};

&ddrctrl {
	status = "okay";

	conf-1 {
		size = <0x40000000>;	/* 1 GB */
		#include "renesas/is43tr16256a_125k_CTL.h"
		#include "r9a06g032-ddr.dtsi"
	};
	conf-2 {
		size = <0x10000000>;	/* 256 MB */
		#include "renesas/jedec_ddr3_2g_x16_1333h_500_cl8.h"
		#include "r9a06g032-ddr.dtsi"
	};
};

&pinctrl {
	status = "okay";

	pins_uart0: pins_uart0 {
		pinmux = <
			RZN1_PINMUX(103, RZN1_FUNC_UART0_I)     /* UART0_TXD */
			RZN1_PINMUX(104, RZN1_FUNC_UART0_I)     /* UART0_RXD */
			>;
		bias-disable;
	};
};

&uart0 {
	pinctrl-0 = <&pins_uart0>;
	pinctrl-names = "default";
	status = "okay";
};