linux_dsm_epyc7002/arch/arm/boot/dts/at91-cosino.dtsi

/*
 * at91-cosino.dtsi - Device Tree file for Cosino core module
 *
 * Copyright (C) 2013 - Rodolfo Giometti <giometti@linux.it>
 *			HCE Engineering
 *
 * Derived from at91sam9x5ek.dtsi by:
 *	Copyright (C) 2012 Atmel,
 *	2012 Nicolas Ferre <nicolas.ferre@atmel.com>
 *
 * Licensed under GPLv2 or later.
 */

#include "at91sam9g35.dtsi"

/ {
	model = "HCE Cosino core module";
	compatible = "hce,cosino", "atmel,at91sam9x5", "atmel,at91sam9";

	chosen {
		bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait";
	};

	memory {
		reg = <0x20000000 0x8000000>;
	};

	clocks {
		slow_xtal {
			clock-frequency = <32768>;
		};

		main_xtal {
			clock-frequency = <12000000>;
		};
	};

	ahb {
		apb {
			mmc0: mmc@f0008000 {
				pinctrl-0 = <
					&pinctrl_board_mmc0
					&pinctrl_mmc0_slot0_clk_cmd_dat0
					&pinctrl_mmc0_slot0_dat1_3>;
				status = "okay";
				slot@0 {
					reg = <0>;
					bus-width = <4>;
					cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
				};
			};

			dbgu: serial@fffff200 {
				status = "okay";
			};

			usart0: serial@f801c000 {
				status = "okay";
			};

			i2c0: i2c@f8010000 {
				status = "okay";
			};

			adc0: adc@f804c000 {
				atmel,adc-ts-wires = <4>;
				atmel,adc-ts-pressure-threshold = <10000>;
				status = "okay";
			};

			pinctrl@fffff400 {
				mmc0 {
					pinctrl_board_mmc0: mmc0-board {
						atmel,pins =
							<AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;	/* PD15 gpio CD pin pull up and deglitch */
					};
				};
			};

			watchdog@fffffe40 {
				status = "okay";
			};
		};

		ebi: ebi@10000000 {
			pinctrl-0 = <&pinctrl_ebi_addr_nand
				     &pinctrl_ebi_data_0_7>;
			pinctrl-names = "default";
			status = "okay";

			nand_controller: nand-controller {
				status = "okay";
				pinctrl-0 = <&pinctrl_nand_oe_we
					     &pinctrl_nand_cs
					     &pinctrl_nand_rb>;
				pinctrl-names = "default";

				nand@3 {
					reg = <0x3 0x0 0x800000>;
					rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
					cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
					nand-bus-width = <8>;
					nand-ecc-mode = "hw";
					nand-ecc-strength = <4>;
					nand-ecc-step-size = <512>;
					nand-on-flash-bbt;
					label = "atmel_nand";

					partitions {
						compatible = "fixed-partitions";
						#address-cells = <1>;
						#size-cells = <1>;

						at91bootstrap@0 {
							label = "at91bootstrap";
							reg = <0x0 0x40000>;
						};

						uboot@40000 {
							label = "u-boot";
							reg = <0x40000 0x80000>;
						};

						ubootenv@c0000 {
							label = "U-Boot Env";
							reg = <0xc0000 0x140000>;
						};

						kernel@200000 {
							label = "kernel";
							reg = <0x200000 0x600000>;
						};

						rootfs@800000 {
							label = "rootfs";
							reg = <0x800000 0x0f800000>;
						};
					};
				};
			};
		};
	};
};