xref: /openbmc/linux/arch/arm/boot/dts/microchip/at91-sama5d3_ksz9477_evb.dts (revision 58f45c50)

// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/*
 * Copyright (c) 2021 Oleksij Rempel <kernel@pengutronix.de>, Pengutronix
 */
/dts-v1/;
#include "sama5d36.dtsi"

/ {
	model = "EVB-KSZ9477";
	compatible = "microchip,sama5d3-ksz9477-evb", "atmel,sama5d36",
		     "atmel,sama5d3", "atmel,sama5";

	chosen {
		stdout-path = &dbgu;
	};

	reg_3v3: regulator-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	reg_vcc_mmc0: regulator-mmc0 {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_mcc0_vcc>;
		regulator-name = "mmc0-vcc";
		regulator-max-microvolt = <3300000>;
		regulator-min-microvolt = <3300000>;
		gpio = <&pioE 2 GPIO_ACTIVE_LOW>;
	};
};

&dbgu {
	status = "okay";
};

&ebi {
	pinctrl-0 = <&pinctrl_ebi_nand_addr>;
	pinctrl-names = "default";
	status = "okay";
};

&i2c0 {
	pinctrl-0 = <&pinctrl_i2c0_pu>;
	status = "okay";
};

&macb0 {
	phy-mode = "rgmii";
	status = "okay";

	fixed-link {
		speed = <1000>;
		full-duplex;
	};
};

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

&mmc0 {
	pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3
		     &pinctrl_mmc0_dat4_7 &pinctrl_mmc0_cd>;
	status = "okay";

	slot@0 {
		reg = <0>;
		bus-width = <8>;
		cd-gpios = <&pioE 0 GPIO_ACTIVE_LOW>;
		disable-wp;
		vmmc-supply = <&reg_vcc_mmc0>;
		vqmmc-supply = <&reg_3v3>;
	};
};

&nand_controller {
	status = "okay";

	nand@3 {
		reg = <0x3 0x0 0x2>;
		atmel,rb = <0>;
		nand-bus-width = <8>;
		nand-ecc-mode = "hw";
		nand-ecc-strength = <4>;
		nand-ecc-step-size = <512>;
		nand-on-flash-bbt;
		label = "atmel_nand";
	};
};

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

&spi0 {
	cs-gpios = <&pioD 13 GPIO_ACTIVE_LOW>, <0>, <0>,
		   <&pioD 16 GPIO_ACTIVE_LOW>;
	status = "okay";
};

&spi1 {
	pinctrl-0 = <&pinctrl_spi_ksz>;
	cs-gpios = <&pioC 25 GPIO_ACTIVE_LOW>;
	status = "okay";

	switch@0 {
		compatible = "microchip,ksz9477";
		reg = <0>;
		spi-max-frequency = <1000000>;
		spi-cpha;
		spi-cpol;

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

			port@0 {
				reg = <0>;
				label = "lan1";
				phy-mode = "internal";
			};

			port@1 {
				reg = <1>;
				label = "lan2";
				phy-mode = "internal";
			};

			port@2 {
				reg = <2>;
				label = "lan3";
				phy-mode = "internal";
			};

			port@3 {
				reg = <3>;
				label = "lan4";
				phy-mode = "internal";
			};

			port@4 {
				reg = <4>;
				label = "lan5";
				phy-mode = "internal";
			};

			port@5 {
				reg = <5>;
				label = "cpu";
				ethernet = <&macb0>;
				phy-mode = "rgmii-txid";
				tx-internal-delay-ps = <2000>;

				fixed-link {
					speed = <1000>;
					full-duplex;
				};
			};
		};
	};
};

&tcb0 {
	timer0: timer@0 {
		compatible = "atmel,tcb-timer";
		reg = <0>;
	};

	timer1: timer@1 {
		compatible = "atmel,tcb-timer";
		reg = <1>;
	};
};

&usb0 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usba_vbus>;
	atmel,vbus-gpio = <&pioE 9 GPIO_ACTIVE_HIGH>;
	status = "okay";
};

&pinctrl {
	board {
		pinctrl_i2c0_pu: i2c0-pu {
			atmel,pins =
				<AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
				<AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
		};

		pinctrl_mmc0_cd: mmc0-cd {
			atmel,pins = <AT91_PIOE 0 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
		};

		pinctrl_mcc0_vcc: mmc0-vcc {
			atmel,pins = <AT91_PIOE 2 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
		};

		pinctrl_spi_ksz: spi-ksz {
			atmel,pins =
				<
				/* SPI1_MISO */
				AT91_PIOC 22 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
				/* SPI1_MOSI */
				AT91_PIOC 23 AT91_PERIPH_A AT91_PINCTRL_NONE
				/* SPI1_SPCK */
				AT91_PIOC 24 AT91_PERIPH_A AT91_PINCTRL_NONE

				/* SPI CS */
				AT91_PIOC 25 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
				/* switch IRQ */
				AT91_PIOB 28 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH
				/* switch PME_N, SoC IN */
				AT91_PIOC 30 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP
				/* switch RST */
				AT91_PIOC 31 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH
				>;
		};

		pinctrl_usba_vbus: usba-vbus {
			atmel,pins =
				<AT91_PIOE 9 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
		};
	};
};