arch/arm/dts/armada-385-turris-omnia.dts

// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
 * Device Tree file for the Turris Omnia
 *
 * Copyright (C) 2016 Uwe Kleine-König <uwe@kleine-koenig.org>
 * Copyright (C) 2016 Tomas Hlavacek <tmshlvkc@gmail.com>
 *
 * Schematic available at https://www.turris.cz/doc/_media/rtrom01-schema.pdf
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include "armada-385.dtsi"

/ {
	model = "Turris Omnia";
	compatible = "cznic,turris-omnia", "marvell,armada385", "marvell,armada380";

	chosen {
		stdout-path = &uart0;
	};

	aliases {
		ethernet0 = &eth0;
		ethernet1 = &eth1;
		ethernet2 = &eth2;
	};

	memory {
		device_type = "memory";
		reg = <0x00000000 0x40000000>; /* 1024 MB */
	};

	soc {
		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
			  MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
			  MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
			  MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000
			  MBUS_ID(0x0c, 0x04) 0 0xf1200000 0x100000>;

		internal-regs {

			/* USB part of the PCIe2/USB 2.0 port */
			usb@58000 {
				status = "okay";
			};

			sata@a8000 {
				status = "okay";
			};

			sdhci@d8000 {
				pinctrl-names = "default";
				pinctrl-0 = <&sdhci_pins>;
				status = "okay";

				bus-width = <8>;
				no-1-8-v;
				non-removable;
			};

			usb3@f0000 {
				status = "okay";
			};

			usb3@f8000 {
				status = "okay";
			};
		};

		pcie {
			status = "okay";

			pcie@1,0 {
				/* Port 0, Lane 0 */
				status = "okay";
				slot-power-limit-milliwatt = <10000>;
			};

			pcie@2,0 {
				/* Port 1, Lane 0 */
				status = "okay";
				slot-power-limit-milliwatt = <10000>;
			};

			pcie@3,0 {
				/* Port 2, Lane 0 */
				status = "okay";
				slot-power-limit-milliwatt = <10000>;
			};
		};
	};

	sfp: sfp {
		compatible = "sff,sfp";
		i2c-bus = <&sfp_i2c>;
		tx-fault-gpios = <&pcawan 0 GPIO_ACTIVE_HIGH>;
		tx-disable-gpios = <&pcawan 1 GPIO_ACTIVE_HIGH>;
		rate-select0-gpios = <&pcawan 2 GPIO_ACTIVE_HIGH>;
		los-gpios = <&pcawan 3 GPIO_ACTIVE_HIGH>;
		mod-def0-gpios = <&pcawan 4 GPIO_ACTIVE_LOW>;
		maximum-power-milliwatt = <3000>;

		/*
		 * For now this has to be enabled at boot time by U-Boot when
		 * a SFP module is present. Read more in the comment in the
		 * eth2 node below.
		 */
		status = "disabled";
	};
};

&bm {
	status = "okay";
};

&bm_bppi {
	status = "okay";
};

/* Connected to 88E6176 switch, port 6 */
&eth0 {
	pinctrl-names = "default";
	pinctrl-0 = <&ge0_rgmii_pins>;
	status = "okay";
	phy-mode = "rgmii";
	buffer-manager = <&bm>;
	bm,pool-long = <0>;
	bm,pool-short = <3>;

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

/* Connected to 88E6176 switch, port 5 */
&eth1 {
	pinctrl-names = "default";
	pinctrl-0 = <&ge1_rgmii_pins>;
	status = "okay";
	phy-mode = "rgmii";
	buffer-manager = <&bm>;
	bm,pool-long = <1>;
	bm,pool-short = <3>;

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

/* WAN port */
&eth2 {
	/*
	 * eth2 is connected via a multiplexor to both the SFP cage and to
	 * ethernet-phy@1. The multiplexor switches the signal to SFP cage when
	 * a SFP module is present, as determined by the mode-def0 GPIO.
	 *
	 * Until kernel supports this configuration properly, in case SFP module
	 * is present, U-Boot has to enable the sfp node above, remove phy
	 * handle and add managed = "in-band-status" property.
	 */
	status = "okay";
	phy-mode = "sgmii";
	phy-handle = <&phy1>;
	phys = <&comphy5 2>;
	sfp = <&sfp>;
	buffer-manager = <&bm>;
	bm,pool-long = <2>;
	bm,pool-short = <3>;
};

&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins>;
	status = "okay";

	i2cmux@70 {
		compatible = "nxp,pca9547";
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <0x70>;

		i2c@0 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0>;

			/* MCU command i2c API */
			mcu: mcu@2a {
				compatible = "cznic,turris-omnia-mcu";
				reg = <0x2a>;
				gpio-controller;
				#gpio-cells = <3>;
			};

			led-controller@2b {
				compatible = "cznic,turris-omnia-leds";
				reg = <0x2b>;
				#address-cells = <1>;
				#size-cells = <0>;
				status = "okay";

				/*
				 * LEDs are controlled by MCU (STM32F0) at
				 * address 0x2b.
				 *
				 * LED functions are not stable yet:
				 * - there are 3 LEDs connected via MCU to PCIe
				 *   ports. One of these ports supports mSATA.
				 *   There is no mSATA nor PCIe function.
				 *   For now we use LED_FUNCTION_WLAN, since
				 *   in most cases users have wifi cards in
				 *   these slots
				 * - there are 2 LEDs dedicated for user: A and
				 *   B. Again there is no such function defined.
				 *   For now we use LED_FUNCTION_INDICATOR
				 */

				multi-led@0 {
					reg = <0x0>;
					color = <LED_COLOR_ID_RGB>;
					function = LED_FUNCTION_INDICATOR;
					function-enumerator = <2>;
				};

				multi-led@1 {
					reg = <0x1>;
					color = <LED_COLOR_ID_RGB>;
					function = LED_FUNCTION_INDICATOR;
					function-enumerator = <1>;
				};

				multi-led@2 {
					reg = <0x2>;
					color = <LED_COLOR_ID_RGB>;
					function = LED_FUNCTION_WLAN;
					function-enumerator = <3>;
				};

				multi-led@3 {
					reg = <0x3>;
					color = <LED_COLOR_ID_RGB>;
					function = LED_FUNCTION_WLAN;
					function-enumerator = <2>;
				};

				multi-led@4 {
					reg = <0x4>;
					color = <LED_COLOR_ID_RGB>;
					function = LED_FUNCTION_WLAN;
					function-enumerator = <1>;
				};

				multi-led@5 {
					reg = <0x5>;
					color = <LED_COLOR_ID_RGB>;
					function = LED_FUNCTION_WAN;
				};

				multi-led@6 {
					reg = <0x6>;
					color = <LED_COLOR_ID_RGB>;
					function = LED_FUNCTION_LAN;
					function-enumerator = <4>;
				};

				multi-led@7 {
					reg = <0x7>;
					color = <LED_COLOR_ID_RGB>;
					function = LED_FUNCTION_LAN;
					function-enumerator = <3>;
				};

				multi-led@8 {
					reg = <0x8>;
					color = <LED_COLOR_ID_RGB>;
					function = LED_FUNCTION_LAN;
					function-enumerator = <2>;
				};

				multi-led@9 {
					reg = <0x9>;
					color = <LED_COLOR_ID_RGB>;
					function = LED_FUNCTION_LAN;
					function-enumerator = <1>;
				};

				multi-led@a {
					reg = <0xa>;
					color = <LED_COLOR_ID_RGB>;
					function = LED_FUNCTION_LAN;
					function-enumerator = <0>;
				};

				multi-led@b {
					reg = <0xb>;
					color = <LED_COLOR_ID_RGB>;
					function = LED_FUNCTION_POWER;
				};
			};

			eeprom@54 {
				compatible = "atmel,24c64";
				reg = <0x54>;

				/* The EEPROM contains data for bootloader.
				 * Contents:
				 * 	struct omnia_eeprom {
				 * 		u32 magic; (=0x0341a034 in LE)
				 *		u32 ramsize; (in GiB)
				 * 		char regdomain[4];
				 * 		u32 crc32;
				 * 	};
				 */
			};
		};

		i2c@1 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <1>;

			/* routed to PCIe0/mSATA connector (CN7A) */
		};

		i2c@2 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <2>;

			/* routed to PCIe1/USB2 connector (CN61A) */
		};

		i2c@3 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <3>;

			/* routed to PCIe2 connector (CN62A) */
		};

		sfp_i2c: i2c@4 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <4>;

			/* routed to SFP+ */
		};

		i2c@5 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <5>;

			/* ATSHA204A-MAHDA-T crypto module */
			crypto@64 {
				compatible = "atmel,atsha204a";
				reg = <0x64>;
			};
		};

		i2c@6 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <6>;

			/* exposed on pin header */
		};

		i2c@7 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <7>;

			pcawan: gpio@71 {
				/*
				 * GPIO expander for SFP+ signals and
				 * and phy irq
				 */
				compatible = "nxp,pca9538";
				reg = <0x71>;

				pinctrl-names = "default";
				pinctrl-0 = <&pcawan_pins>;

				interrupt-parent = <&gpio1>;
				interrupts = <14 IRQ_TYPE_LEVEL_LOW>;

				gpio-controller;
				#gpio-cells = <2>;
			};
		};
	};
};

&mdio {
	pinctrl-names = "default";
	pinctrl-0 = <&mdio_pins>;
	status = "okay";

	phy1: ethernet-phy@1 {
		compatible = "ethernet-phy-ieee802.3-c22";
		reg = <1>;
		marvell,reg-init = <3 18 0 0x4985>,
				   <3 16 0xfff0 0x0001>;

		/* irq is connected to &pcawan pin 7 */
	};

	/* Switch MV88E6176 at address 0x10 */
	switch@10 {
		pinctrl-names = "default";
		pinctrl-0 = <&swint_pins>;
		compatible = "marvell,mv88e6085";
		#address-cells = <1>;
		#size-cells = <0>;

		dsa,member = <0 0>;
		reg = <0x10>;

		interrupt-parent = <&gpio1>;
		interrupts = <13 IRQ_TYPE_LEVEL_LOW>;

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

			ports@0 {
				reg = <0>;
				label = "lan0";
			};

			ports@1 {
				reg = <1>;
				label = "lan1";
			};

			ports@2 {
				reg = <2>;
				label = "lan2";
			};

			ports@3 {
				reg = <3>;
				label = "lan3";
			};

			ports@4 {
				reg = <4>;
				label = "lan4";
			};

			ports@5 {
				reg = <5>;
				label = "cpu";
				ethernet = <&eth1>;
				phy-mode = "rgmii-id";

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

			/* port 6 is connected to eth0 */
		};
	};
};

&pinctrl {
	pcawan_pins: pcawan-pins {
		marvell,pins = "mpp46";
		marvell,function = "gpio";
	};

	swint_pins: swint-pins {
		marvell,pins = "mpp45";
		marvell,function = "gpio";
	};

	spi0cs0_pins: spi0cs0-pins {
		marvell,pins = "mpp25";
		marvell,function = "spi0";
	};

	spi0cs2_pins: spi0cs2-pins {
		marvell,pins = "mpp26";
		marvell,function = "spi0";
	};
};

&spi0 {
	pinctrl-names = "default";
	pinctrl-0 = <&spi0_pins &spi0cs0_pins>;
	status = "okay";

	flash@0 {
		compatible = "spansion,s25fl164k", "jedec,spi-nor";
		#address-cells = <1>;
		#size-cells = <1>;
		reg = <0>;
		spi-max-frequency = <40000000>;

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

			partition@0 {
				reg = <0x0 0x00100000>;
				label = "U-Boot";
			};

			partition@100000 {
				reg = <0x00100000 0x00700000>;
				label = "Rescue system";
			};
		};
	};

	/* MISO, MOSI, SCLK and CS2 are routed to pin header CN11 */
};

&uart0 {
	/* Pin header CN10 */
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pins>;
	status = "okay";
};

&uart1 {
	/* Pin header CN11 */
	pinctrl-names = "default";
	pinctrl-0 = <&uart1_pins>;
	status = "okay";
};