xref: /openbmc/linux/arch/arm/boot/dts/microchip/at91-q5xr5.dts (revision 724ba675)

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Device Tree file for Exegin Q5xR5 board
 *
 * Copyright (C) 2014 Owen Kirby <osk@exegin.com>
 */

/dts-v1/;
#include "at91sam9g20.dtsi"

/ {
	model = "Exegin Q5x (rev5)";
	compatible = "exegin,q5xr5", "atmel,at91sam9g20", "atmel,at91sam9";

	chosen {
		bootargs = "console=ttyS0,115200 rootfstype=squashfs,jffs2";
	};

	memory {
		reg = <0x20000000 0x0>;
	};

	clocks {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		main_clock: clock@0 {
			compatible = "atmel,osc", "fixed-clock";
			clock-frequency = <18432000>;
		};

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

		main_xtal {
			clock-frequency = <18432000>;
		};
	};
};

&dbgu {
	status = "okay";
};

&ebi {
	status = "okay";

	flash: flash@0 {
		compatible = "cfi-flash";
		#address-cells = <1>;
		#size-cells = <1>;
		reg = <0x0 0x1000000 0x800000>;
		bank-width = <2>;

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

			kernel@0 {
				label = "kernel";
				reg = <0x0 0x200000>;
			};

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

&macb0 {
	phy-mode = "mii";
	status = "okay";
};

&pinctrl {
	board {
		pinctrl_pck0_as_mck: pck0_as_mck {
			atmel,pins = <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;
		};
	};

	spi0 {
		pinctrl_spi0: spi0-0 {
			atmel,pins =
				<AT91_PIOA 0 AT91_PERIPH_A AT91_PINCTRL_NONE
				 AT91_PIOA 1 AT91_PERIPH_A AT91_PINCTRL_NONE
				 AT91_PIOA 2 AT91_PERIPH_A AT91_PINCTRL_NONE>;
		};

		pinctrl_spi0_npcs0: spi0_npcs0 {
			atmel,pins = <AT91_PIOA 3 AT91_PERIPH_A AT91_PINCTRL_NONE>;
		};

		pinctrl_spi0_npcs1: spi0_npcs1 {
			atmel,pins = <AT91_PIOC 11 AT91_PERIPH_B AT91_PINCTRL_NONE>;
		};
	};

	spi1 {
		pinctrl_spi1: spi1-0 {
			atmel,pins =
				<AT91_PIOB 0 AT91_PERIPH_A AT91_PINCTRL_NONE
				 AT91_PIOB 1 AT91_PERIPH_A AT91_PINCTRL_NONE
				 AT91_PIOB 2 AT91_PERIPH_A AT91_PINCTRL_NONE>;
		};

		pinctrl_spi1_npcs0: spi1_npcs0 {
			atmel,pins = <AT91_PIOB 3 AT91_PERIPH_A AT91_PINCTRL_NONE>;
		};

		pinctrl_spi1_npcs1: spi1_npcs1 {
			atmel,pins = <AT91_PIOC 5 AT91_PERIPH_B AT91_PINCTRL_NONE>;
		};
	};
};

&spi0 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_spi0 &pinctrl_spi0_npcs0 &pinctrl_spi0_npcs1>;
	cs-gpios = <&pioA 3 GPIO_ACTIVE_HIGH>, <&pioC 11 GPIO_ACTIVE_LOW>, <0>, <0>;
	status = "okay";

	flash@0 {
		compatible = "jedec,spi-nor";
		spi-max-frequency = <20000000>;
		reg = <0>;
		#address-cells = <1>;
		#size-cells = <1>;

		at91boot@0 {
			label = "at91boot";
			reg = <0x0 0x4000>;
		};

		uenv@4000 {
			label = "uboot-env";
			reg = <0x4000 0x4000>;
		};

		uboot@8000 {
			label = "uboot";
			reg = <0x8000 0x3E000>;
		};
	};
};

&spi1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_spi1 &pinctrl_spi1_npcs0 &pinctrl_spi1_npcs1>;
	cs-gpios = <&pioB 3 GPIO_ACTIVE_HIGH>, <&pioC 5 GPIO_ACTIVE_LOW>, <0>, <0>;
	status = "okay";
};

&usart0 {
	pinctrl-0 =
		<&pinctrl_usart0
		 &pinctrl_usart0_rts
		 &pinctrl_usart0_cts
		 &pinctrl_usart0_dtr_dsr
		 &pinctrl_usart0_dcd
		 &pinctrl_usart0_ri>;
	status = "okay";
};

&usb0 {
	num-ports = <2>;
	status = "okay";
};

&usb1 {
	status = "okay";
};

&watchdog {
	status = "okay";
};