arch/powerpc/dts/turris1x.dts - github/trini/u-boot - Gitiles

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Turris 1.x Device Tree Source
  *
  * Copyright 2013 - 2022 CZ.NIC z.s.p.o. (http://www.nic.cz/)
  *
  * Pinout, Schematics and Altium hardware design files are open source
  * and available at: https://docs.turris.cz/hw/turris-1x/turris-1x/
  */

 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/leds/common.h>
 /include/ "fsl/p2020si-pre.dtsi"

 / {
 	model = "Turris 1.x";

 	/* fsl,P2020RDB-PC is required for booting Linux */
 	compatible = "cznic,turris1x", "fsl,P2020RDB-PC";

 	aliases {
 		ethernet0 = &enet0;
 		ethernet1 = &enet1;
 		ethernet2 = &enet2;
 		serial0 = &serial0;
 		serial1 = &serial1;
 		pci0 = &pci0;
 		pci1 = &pci1;
 		pci2 = &pci2;
 		spi0 = &spi0;
 	};

 	memory {
 		device_type = "memory";
 	};

 	soc: soc@ffe00000 {
 		ranges = <0x0 0x0 0xffe00000 0x00100000>;

 		i2c@3000 {
 			/* PCA9557PW GPIO controller for boot config */
 			gpio-controller@18 {
 				compatible = "nxp,pca9557";
 				label = "bootcfg";
 				reg = <0x18>;
 				#gpio-cells = <2>;
 				gpio-controller;
 				polarity = <0x00>;
 			};

 			/* STM32F030R8T6 MCU for power control */
 			power-control@2a {
 				/*
 				 * Turris Power Control firmware runs on STM32F0 MCU.
 				 * This firmware is open source and available at:
 				 * https://gitlab.nic.cz/turris/hw/turris_power_control
 				 */
 				reg = <0x2a>;
 			};

 			/* DDR3 SPD/EEPROM PSWP instruction */
 			eeprom@32 {
 				reg = <0x32>;
 			};

 			/* SA56004ED temperature control */
 			temperature-sensor@4c {
 				compatible = "nxp,sa56004";
 				reg = <0x4c>;
 				interrupt-parent = <&gpio>;
 				interrupts = <12 IRQ_TYPE_LEVEL_LOW>, /* GPIO12 - ALERT pin */
 					     <13 IRQ_TYPE_LEVEL_LOW>; /* GPIO13 - CRIT pin */
 			};

 			/* DDR3 SPD/EEPROM */
 			eeprom@52 {
 				compatible = "atmel,spd";
 				reg = <0x52>;
 			};

 			/* MCP79402-I/ST Protected EEPROM */
 			eeprom@57 {
 				reg = <0x57>;
 			};

 			/* ATSHA204-TH-DA-T crypto module */
 			crypto@64 {
 				compatible = "atmel,atsha204";
 				reg = <0x64>;
 			};

 			/* IDT6V49205BNLGI clock generator */
 			clock-generator@69 {
 				compatible = "idt,6v49205b";
 				reg = <0x69>;
 			};

 			/* MCP79402-I/ST RTC */
 			rtc@6f {
 				compatible = "microchip,mcp7940x";
 				reg = <0x6f>;
 				interrupt-parent = <&gpio>;
 				interrupts = <14 0>; /* GPIO14 - MFP pin */
 			};
 		};

 		/* SPI on connector P1 */
 		spi0: spi@7000 {
 		};

 		gpio: gpio-controller@fc00 {
 			#interrupt-cells = <2>;
 			interrupt-controller;
 		};

 		/* Connected to SMSC USB2412-DZK 2-Port USB 2.0 Hub Controller */
 		usb@22000 {
 			phy_type = "ulpi";
 			dr_mode = "host";
 		};

 		enet0: ethernet@24000 {
 			/* Connected to port 6 of QCA8337N-AL3C switch */
 			phy-connection-type = "rgmii-id";

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

 		mdio@24520 {
 			/* KSZ9031RNXCA ethernet phy for WAN port */
 			phy: ethernet-phy@7 {
 				interrupts = <3 1 0 0>;
 				reg = <0x7>;
 			};

 			/* QCA8337N-AL3C switch with integrated ethernet PHYs for LAN ports */
 			switch@10 {
 				compatible = "qca,qca8337";
 				interrupts = <2 1 0 0>;
 				reg = <0x10>;

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

 					port@0 {
 						reg = <0>;
 						label = "cpu";
 						ethernet = <&enet1>;
 						phy-mode = "rgmii-id";

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

 					port@1 {
 						reg = <1>;
 						label = "lan5";
 					};

 					port@2 {
 						reg = <2>;
 						label = "lan4";
 					};

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

 					port@4 {
 						reg = <4>;
 						label = "lan2";
 					};

 					port@5 {
 						reg = <5>;
 						label = "lan1";
 					};

 					port@6 {
 						reg = <6>;
 						label = "cpu";
 						ethernet = <&enet0>;
 						phy-mode = "rgmii-id";

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

 		ptp_clock@24e00 {
 			fsl,tclk-period = <5>;
 			fsl,tmr-prsc = <200>;
 			fsl,tmr-add = <0xcccccccd>;
 			fsl,tmr-fiper1 = <0x3b9ac9fb>;
 			fsl,tmr-fiper2 = <0x0001869b>;
 			fsl,max-adj = <249999999>;
 		};

 		enet1: ethernet@25000 {
 			/* Connected to port 0 of QCA8337N-AL3C switch */
 			phy-connection-type = "rgmii-id";

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

 		mdio@25520 {
 			status = "disabled";
 		};

 		enet2: ethernet@26000 {
 			/* Connected to KSZ9031RNXCA ethernet phy (WAN port) */
 			label = "wan";
 			phy-handle = <&phy>;
 			phy-connection-type = "rgmii-id";
 		};

 		mdio@26520 {
 			status = "disabled";
 		};

 		sdhc@2e000 {
 			bus-width = <4>;
 			cd-gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
 		};
 	};

 	lbc: localbus@ffe05000 {
 		reg = <0 0xffe05000 0 0x1000>;

 		ranges = <0x0 0x0 0x0 0xef000000 0x01000000>, /* NOR */
 			 <0x1 0x0 0x0 0xff800000 0x00040000>, /* NAND */
 			 <0x3 0x0 0x0 0xffa00000 0x00020000>; /* CPLD */

 		/* S29GL128P90TFIR10 NOR */
 		nor@0,0 {
 			compatible = "cfi-flash";
 			reg = <0x0 0x0 0x01000000>;
 			bank-width = <2>;
 			device-width = <1>;

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

 				partition@0 {
 					/* 128 kB for Device Tree Blob */
 					reg = <0x00000000 0x00020000>;
 					label = "dtb";
 				};

 				partition@20000 {
 					/* 1.7 MB for Linux Kernel Image */
 					reg = <0x00020000 0x001a0000>;
 					label = "kernel";
 				};

 				partition@1c0000 {
 					/* 1.5 MB for Rescue JFFS2 Root File System */
 					reg = <0x001c0000 0x00180000>;
 					label = "rescue";
 				};

 				partition@340000 {
 					/* 11 MB for TAR.XZ Archive with Factory content of NAND
 					 * Root File System
 					 */
 					reg = <0x00340000 0x00b00000>;
 					label = "factory";
 				};

 				partition@e40000 {
 					/* 768 kB for Certificates JFFS2 File System */
 					reg = <0x00e40000 0x000c0000>;
 					label = "certificates";
 				};

 				/* free unused space 0x00f00000-0x00f20000 */

 				partition@f20000 {
 					/* 128 kB for U-Boot Environment Variables */
 					reg = <0x00f20000 0x00020000>;
 					label = "u-boot-env";
 				};

 				partition@f40000 {
 					/* 768 kB for U-Boot Bootloader Image */
 					reg = <0x00f40000 0x000c0000>;
 					label = "u-boot";
 				};
 			};
 		};

 		/* MT29F2G08ABAEAWP:E NAND */
 		nand@1,0 {
 			compatible = "fsl,p2020-fcm-nand", "fsl,elbc-fcm-nand";
 			reg = <0x1 0x0 0x00040000>;
 			nand-ecc-mode = "soft";
 			nand-ecc-algo = "bch";

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

 				partition@0 {
 					/* 256 MB for UBI with one volume: UBIFS Root File System */
 					reg = <0x00000000 0x10000000>;
 					label = "rootfs";
 				};
 			};
 		};

 		/* LCMXO1200C-3FTN256C FPGA */
 		cpld@3,0 {
 			/*
 			 * Turris CPLD firmware which runs on this Lattice FPGA,
 			 * is extended version of P1021RDB-PC CPLD v4.1 firmware.
 			 * It is backward compatible with its original version
 			 * and the only extension is support for Turris LEDs.
 			 * Turris CPLD firmware is open source and available at:
 			 * https://gitlab.nic.cz/turris/hw/turris_cpld/-/blob/master/CZ_NIC_Router_CPLD.v
 			 */
 			compatible = "cznic,turris1x-cpld", "fsl,p1021rdb-pc-cpld", "simple-bus",
 				     "syscon";
 			reg = <0x3 0x0 0x30>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges = <0x0 0x3 0x0 0x00020000>;

 			/* MAX6370KA+T watchdog */
 			watchdog@2 {
 				/*
 				 * CPLD firmware maps SET0, SET1 and SET2
 				 * input logic of MAX6370KA+T chip to CPLD
 				 * memory space at byte offset 0x2. WDI
 				 * input logic is outside of the CPLD and
 				 * connected via external GPIO.
 				 */
 				compatible = "maxim,max6370";
 				reg = <0x02 0x01>;
 				gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
 			};

 			reboot@d {
 				/*
 				 * CPLD firmware which manages system reset and
 				 * watchdog registers has bugs. It does not
 				 * autoclear system reset register after change
 				 * and watchdog ignores reset line on immediate
 				 * succeeding reset cycle triggered by watchdog.
 				 * These bugs have to be workarounded in U-Boot
 				 * bootloader. So use system reset via syscon as
 				 * a last resort because older U-Boot versions
 				 * do not have workaround for watchdog.
 				 *
 				 * Reset method via rstcr's global-utilities
 				 * (the preferred one) has priority level 128,
 				 * watchdog has priority level 0 and default
 				 * syscon-reboot priority level is 192.
 				 *
 				 * So define syscon-reboot with custom priority
 				 * level 64 (between rstcr and watchdog) because
 				 * rstcr should stay as default preferred reset
 				 * method and reset via watchdog is more broken
 				 * than system reset via syscon.
 				 */
 				compatible = "syscon-reboot";
 				reg = <0x0d 0x01>;
 				offset = <0x0d>;
 				mask = <0x01>;
 				value = <0x01>;
 				priority = <64>;
 			};

 			led-controller@13 {
 				/*
 				 * LEDs are controlled by CPLD firmware.
 				 * All five LAN LEDs share common RGB settings
 				 * and so it is not possible to set different
 				 * colors on different LAN ports.
 				 */
 				compatible = "cznic,turris1x-leds";
 				reg = <0x13 0x1d>;
 				#address-cells = <1>;
 				#size-cells = <0>;

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

 				multi-led@1 {
 					reg = <0x1>;
 					color = <LED_COLOR_ID_RGB>;
 					function = LED_FUNCTION_LAN;
 					function-enumerator = <5>;
 				};

 				multi-led@2 {
 					reg = <0x2>;
 					color = <LED_COLOR_ID_RGB>;
 					function = LED_FUNCTION_LAN;
 					function-enumerator = <4>;
 				};

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

 				multi-led@4 {
 					reg = <0x4>;
 					color = <LED_COLOR_ID_RGB>;
 					function = LED_FUNCTION_LAN;
 					function-enumerator = <2>;
 				};

 				multi-led@5 {
 					reg = <0x5>;
 					color = <LED_COLOR_ID_RGB>;
 					function = LED_FUNCTION_LAN;
 					function-enumerator = <1>;
 				};

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

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

 	pci2: pcie@ffe08000 {
 		/*
 		 * PCIe bus for on-board TUSB7340RKM USB 3.0 xHCI controller.
 		 * This xHCI controller is available only on Turris 1.1 boards.
 		 * Turris 1.0 boards have nothing connected to this PCIe bus,
 		 * so system would see only PCIe Root Port of this PCIe Root
 		 * Complex. TUSB7340RKM xHCI controller has four SuperSpeed
 		 * channels. Channel 0 is connected to the front USB 3.0 port,
 		 * channel 1 (but only USB 2.0 subset) to USB 2.0 pins on mPCIe
 		 * slot 1 (CN5), channels 2 and 3 to connector P600.
 		 *
 		 * P2020 PCIe Root Port uses 1MB of PCIe MEM and xHCI controller
 		 * uses 64kB + 8kB of PCIe MEM. No PCIe IO is used or required.
 		 * So allocate 2MB of PCIe MEM for this PCIe bus.
 		 */
 		reg = <0 0xffe08000 0 0x1000>;
 		ranges = <0x02000000 0x0 0xc0000000 0 0xc0000000 0x0 0x00200000>, /* MEM */
 			 <0x01000000 0x0 0x00000000 0 0xffc20000 0x0 0x00010000>; /* IO */

 		pcie@0 {
 			ranges;
 		};
 	};

 	pci1: pcie@ffe09000 {
 		/* PCIe bus on mPCIe slot 2 (CN6) for expansion mPCIe card */
 		reg = <0 0xffe09000 0 0x1000>;
 		ranges = <0x02000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000>, /* MEM */
 			 <0x01000000 0x0 0x00000000 0 0xffc10000 0x0 0x00010000>; /* IO */

 		pcie@0 {
 			ranges;
 		};
 	};

 	pci0: pcie@ffe0a000 {
 		/*
 		 * PCIe bus on mPCIe slot 1 (CN5) for expansion mPCIe card.
 		 * Turris 1.1 boards have in this mPCIe slot additional USB 2.0
 		 * pins via channel 1 of TUSB7340RKM xHCI controller and also
 		 * additional SIM card slot, both for USB-based WWAN cards.
 		 */
 		reg = <0 0xffe0a000 0 0x1000>;
 		ranges = <0x02000000 0x0 0x80000000 0 0x80000000 0x0 0x20000000>, /* MEM */
 			 <0x01000000 0x0 0x00000000 0 0xffc00000 0x0 0x00010000>; /* IO */

 		pcie@0 {
 			ranges;
 		};
 	};
 };

 /include/ "fsl/p2020si-post.dtsi"
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* Turris 1.x Device Tree Source
	*
	* Copyright 2013 - 2022 CZ.NIC z.s.p.o. (http://www.nic.cz/)
	*
	* Pinout, Schematics and Altium hardware design files are open source
	* and available at: https://docs.turris.cz/hw/turris-1x/turris-1x/
	*/

	#include <dt-bindings/gpio/gpio.h>
	#include <dt-bindings/interrupt-controller/irq.h>
	#include <dt-bindings/leds/common.h>
	/include/ "fsl/p2020si-pre.dtsi"

	/ {
	model = "Turris 1.x";

	/* fsl,P2020RDB-PC is required for booting Linux */
	compatible = "cznic,turris1x", "fsl,P2020RDB-PC";

	aliases {
	ethernet0 = &enet0;
	ethernet1 = &enet1;
	ethernet2 = &enet2;
	serial0 = &serial0;
	serial1 = &serial1;
	pci0 = &pci0;
	pci1 = &pci1;
	pci2 = &pci2;
	spi0 = &spi0;
	};

	memory {
	device_type = "memory";
	};

	soc: soc@ffe00000 {
	ranges = <0x0 0x0 0xffe00000 0x00100000>;

	i2c@3000 {
	/* PCA9557PW GPIO controller for boot config */
	gpio-controller@18 {
	compatible = "nxp,pca9557";
	label = "bootcfg";
	reg = <0x18>;
	#gpio-cells = <2>;
	gpio-controller;
	polarity = <0x00>;
	};

	/* STM32F030R8T6 MCU for power control */
	power-control@2a {
	/*
	* Turris Power Control firmware runs on STM32F0 MCU.
	* This firmware is open source and available at:
	* https://gitlab.nic.cz/turris/hw/turris_power_control
	*/
	reg = <0x2a>;
	};

	/* DDR3 SPD/EEPROM PSWP instruction */
	eeprom@32 {
	reg = <0x32>;
	};

	/* SA56004ED temperature control */
	temperature-sensor@4c {
	compatible = "nxp,sa56004";
	reg = <0x4c>;
	interrupt-parent = <&gpio>;
	interrupts = <12 IRQ_TYPE_LEVEL_LOW>, /* GPIO12 - ALERT pin */
	<13 IRQ_TYPE_LEVEL_LOW>; /* GPIO13 - CRIT pin */
	};

	/* DDR3 SPD/EEPROM */
	eeprom@52 {
	compatible = "atmel,spd";
	reg = <0x52>;
	};

	/* MCP79402-I/ST Protected EEPROM */
	eeprom@57 {
	reg = <0x57>;
	};

	/* ATSHA204-TH-DA-T crypto module */
	crypto@64 {
	compatible = "atmel,atsha204";
	reg = <0x64>;
	};

	/* IDT6V49205BNLGI clock generator */
	clock-generator@69 {
	compatible = "idt,6v49205b";
	reg = <0x69>;
	};

	/* MCP79402-I/ST RTC */
	rtc@6f {
	compatible = "microchip,mcp7940x";
	reg = <0x6f>;
	interrupt-parent = <&gpio>;
	interrupts = <14 0>; /* GPIO14 - MFP pin */
	};
	};

	/* SPI on connector P1 */
	spi0: spi@7000 {
	};

	gpio: gpio-controller@fc00 {
	#interrupt-cells = <2>;
	interrupt-controller;
	};

	/* Connected to SMSC USB2412-DZK 2-Port USB 2.0 Hub Controller */
	usb@22000 {
	phy_type = "ulpi";
	dr_mode = "host";
	};

	enet0: ethernet@24000 {
	/* Connected to port 6 of QCA8337N-AL3C switch */
	phy-connection-type = "rgmii-id";

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

	mdio@24520 {
	/* KSZ9031RNXCA ethernet phy for WAN port */
	phy: ethernet-phy@7 {
	interrupts = <3 1 0 0>;
	reg = <0x7>;
	};

	/* QCA8337N-AL3C switch with integrated ethernet PHYs for LAN ports */
	switch@10 {
	compatible = "qca,qca8337";
	interrupts = <2 1 0 0>;
	reg = <0x10>;

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

	port@0 {
	reg = <0>;
	label = "cpu";
	ethernet = <&enet1>;
	phy-mode = "rgmii-id";

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

	port@1 {
	reg = <1>;
	label = "lan5";
	};

	port@2 {
	reg = <2>;
	label = "lan4";
	};

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

	port@4 {
	reg = <4>;
	label = "lan2";
	};

	port@5 {
	reg = <5>;
	label = "lan1";
	};

	port@6 {
	reg = <6>;
	label = "cpu";
	ethernet = <&enet0>;
	phy-mode = "rgmii-id";

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

	ptp_clock@24e00 {
	fsl,tclk-period = <5>;
	fsl,tmr-prsc = <200>;
	fsl,tmr-add = <0xcccccccd>;
	fsl,tmr-fiper1 = <0x3b9ac9fb>;
	fsl,tmr-fiper2 = <0x0001869b>;
	fsl,max-adj = <249999999>;
	};

	enet1: ethernet@25000 {
	/* Connected to port 0 of QCA8337N-AL3C switch */
	phy-connection-type = "rgmii-id";

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

	mdio@25520 {
	status = "disabled";
	};

	enet2: ethernet@26000 {
	/* Connected to KSZ9031RNXCA ethernet phy (WAN port) */
	label = "wan";
	phy-handle = <&phy>;
	phy-connection-type = "rgmii-id";
	};

	mdio@26520 {
	status = "disabled";
	};

	sdhc@2e000 {
	bus-width = <4>;
	cd-gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
	};
	};

	lbc: localbus@ffe05000 {
	reg = <0 0xffe05000 0 0x1000>;

	ranges = <0x0 0x0 0x0 0xef000000 0x01000000>, /* NOR */
	<0x1 0x0 0x0 0xff800000 0x00040000>, /* NAND */
	<0x3 0x0 0x0 0xffa00000 0x00020000>; /* CPLD */

	/* S29GL128P90TFIR10 NOR */
	nor@0,0 {
	compatible = "cfi-flash";
	reg = <0x0 0x0 0x01000000>;
	bank-width = <2>;
	device-width = <1>;

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

	partition@0 {
	/* 128 kB for Device Tree Blob */
	reg = <0x00000000 0x00020000>;
	label = "dtb";
	};

	partition@20000 {
	/* 1.7 MB for Linux Kernel Image */
	reg = <0x00020000 0x001a0000>;
	label = "kernel";
	};

	partition@1c0000 {
	/* 1.5 MB for Rescue JFFS2 Root File System */
	reg = <0x001c0000 0x00180000>;
	label = "rescue";
	};

	partition@340000 {
	/* 11 MB for TAR.XZ Archive with Factory content of NAND
	* Root File System
	*/
	reg = <0x00340000 0x00b00000>;
	label = "factory";
	};

	partition@e40000 {
	/* 768 kB for Certificates JFFS2 File System */
	reg = <0x00e40000 0x000c0000>;
	label = "certificates";
	};

	/* free unused space 0x00f00000-0x00f20000 */

	partition@f20000 {
	/* 128 kB for U-Boot Environment Variables */
	reg = <0x00f20000 0x00020000>;
	label = "u-boot-env";
	};

	partition@f40000 {
	/* 768 kB for U-Boot Bootloader Image */
	reg = <0x00f40000 0x000c0000>;
	label = "u-boot";
	};
	};
	};

	/* MT29F2G08ABAEAWP:E NAND */
	nand@1,0 {
	compatible = "fsl,p2020-fcm-nand", "fsl,elbc-fcm-nand";
	reg = <0x1 0x0 0x00040000>;
	nand-ecc-mode = "soft";
	nand-ecc-algo = "bch";

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

	partition@0 {
	/* 256 MB for UBI with one volume: UBIFS Root File System */
	reg = <0x00000000 0x10000000>;
	label = "rootfs";
	};
	};
	};

	/* LCMXO1200C-3FTN256C FPGA */
	cpld@3,0 {
	/*
	* Turris CPLD firmware which runs on this Lattice FPGA,
	* is extended version of P1021RDB-PC CPLD v4.1 firmware.
	* It is backward compatible with its original version
	* and the only extension is support for Turris LEDs.
	* Turris CPLD firmware is open source and available at:
	* https://gitlab.nic.cz/turris/hw/turris_cpld/-/blob/master/CZ_NIC_Router_CPLD.v
	*/
	compatible = "cznic,turris1x-cpld", "fsl,p1021rdb-pc-cpld", "simple-bus",
	"syscon";
	reg = <0x3 0x0 0x30>;
	#address-cells = <1>;
	#size-cells = <1>;
	ranges = <0x0 0x3 0x0 0x00020000>;

	/* MAX6370KA+T watchdog */
	watchdog@2 {
	/*
	* CPLD firmware maps SET0, SET1 and SET2
	* input logic of MAX6370KA+T chip to CPLD
	* memory space at byte offset 0x2. WDI
	* input logic is outside of the CPLD and
	* connected via external GPIO.
	*/
	compatible = "maxim,max6370";
	reg = <0x02 0x01>;
	gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
	};

	reboot@d {
	/*
	* CPLD firmware which manages system reset and
	* watchdog registers has bugs. It does not
	* autoclear system reset register after change
	* and watchdog ignores reset line on immediate
	* succeeding reset cycle triggered by watchdog.
	* These bugs have to be workarounded in U-Boot
	* bootloader. So use system reset via syscon as
	* a last resort because older U-Boot versions
	* do not have workaround for watchdog.
	*
	* Reset method via rstcr's global-utilities
	* (the preferred one) has priority level 128,
	* watchdog has priority level 0 and default
	* syscon-reboot priority level is 192.
	*
	* So define syscon-reboot with custom priority
	* level 64 (between rstcr and watchdog) because
	* rstcr should stay as default preferred reset
	* method and reset via watchdog is more broken
	* than system reset via syscon.
	*/
	compatible = "syscon-reboot";
	reg = <0x0d 0x01>;
	offset = <0x0d>;
	mask = <0x01>;
	value = <0x01>;
	priority = <64>;
	};

	led-controller@13 {
	/*
	* LEDs are controlled by CPLD firmware.
	* All five LAN LEDs share common RGB settings
	* and so it is not possible to set different
	* colors on different LAN ports.
	*/
	compatible = "cznic,turris1x-leds";
	reg = <0x13 0x1d>;
	#address-cells = <1>;
	#size-cells = <0>;

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

	multi-led@1 {
	reg = <0x1>;
	color = <LED_COLOR_ID_RGB>;
	function = LED_FUNCTION_LAN;
	function-enumerator = <5>;
	};

	multi-led@2 {
	reg = <0x2>;
	color = <LED_COLOR_ID_RGB>;
	function = LED_FUNCTION_LAN;
	function-enumerator = <4>;
	};

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

	multi-led@4 {
	reg = <0x4>;
	color = <LED_COLOR_ID_RGB>;
	function = LED_FUNCTION_LAN;
	function-enumerator = <2>;
	};

	multi-led@5 {
	reg = <0x5>;
	color = <LED_COLOR_ID_RGB>;
	function = LED_FUNCTION_LAN;
	function-enumerator = <1>;
	};

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

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

	pci2: pcie@ffe08000 {
	/*
	* PCIe bus for on-board TUSB7340RKM USB 3.0 xHCI controller.
	* This xHCI controller is available only on Turris 1.1 boards.
	* Turris 1.0 boards have nothing connected to this PCIe bus,
	* so system would see only PCIe Root Port of this PCIe Root
	* Complex. TUSB7340RKM xHCI controller has four SuperSpeed
	* channels. Channel 0 is connected to the front USB 3.0 port,
	* channel 1 (but only USB 2.0 subset) to USB 2.0 pins on mPCIe
	* slot 1 (CN5), channels 2 and 3 to connector P600.
	*
	* P2020 PCIe Root Port uses 1MB of PCIe MEM and xHCI controller
	* uses 64kB + 8kB of PCIe MEM. No PCIe IO is used or required.
	* So allocate 2MB of PCIe MEM for this PCIe bus.
	*/
	reg = <0 0xffe08000 0 0x1000>;
	ranges = <0x02000000 0x0 0xc0000000 0 0xc0000000 0x0 0x00200000>, /* MEM */
	<0x01000000 0x0 0x00000000 0 0xffc20000 0x0 0x00010000>; /* IO */

	pcie@0 {
	ranges;
	};
	};

	pci1: pcie@ffe09000 {
	/* PCIe bus on mPCIe slot 2 (CN6) for expansion mPCIe card */
	reg = <0 0xffe09000 0 0x1000>;
	ranges = <0x02000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000>, /* MEM */
	<0x01000000 0x0 0x00000000 0 0xffc10000 0x0 0x00010000>; /* IO */

	pcie@0 {
	ranges;
	};
	};

	pci0: pcie@ffe0a000 {
	/*
	* PCIe bus on mPCIe slot 1 (CN5) for expansion mPCIe card.
	* Turris 1.1 boards have in this mPCIe slot additional USB 2.0
	* pins via channel 1 of TUSB7340RKM xHCI controller and also
	* additional SIM card slot, both for USB-based WWAN cards.
	*/
	reg = <0 0xffe0a000 0 0x1000>;
	ranges = <0x02000000 0x0 0x80000000 0 0x80000000 0x0 0x20000000>, /* MEM */
	<0x01000000 0x0 0x00000000 0 0xffc00000 0x0 0x00010000>; /* IO */

	pcie@0 {
	ranges;
	};
	};
	};

	/include/ "fsl/p2020si-post.dtsi"