Re: [PATCH] powerpc: dts: Add DTS file for CZ.NIC Turris 1.x routers

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On Wednesday 11 May 2022 16:37:12 Pali Rohár wrote:
> CZ.NIC Turris 1.0 and 1.1 are open source routers, they have dual-core
> PowerPC Freescale P2020 CPU and are based on Freescale P2020RDB-PC-A board.
> Hardware design is fully open source, all firmware and hardware design
> files are available at Turris project website:
> 
> https://docs.turris.cz/hw/turris-1x/turris-1x/
> https://project.turris.cz/en/hardware.html
> 
> Signed-off-by: Pali Rohár <pali@xxxxxxxxxx>
> ---
>  arch/powerpc/boot/dts/turris1x.dts | 470 +++++++++++++++++++++++++++++
>  1 file changed, 470 insertions(+)
>  create mode 100644 arch/powerpc/boot/dts/turris1x.dts

Michael, Rob: PING?

> diff --git a/arch/powerpc/boot/dts/turris1x.dts b/arch/powerpc/boot/dts/turris1x.dts
> new file mode 100644
> index 000000000000..2a624f117586
> --- /dev/null
> +++ b/arch/powerpc/boot/dts/turris1x.dts
> @@ -0,0 +1,470 @@
> +// 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";
> +	compatible = "cznic,turris1x", "fsl,P2020RDB-PC"; /* fsl,P2020RDB-PC is required for booting Linux */
> +
> +	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@32 {
> +				/*
> +				 * 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 = <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>;
> +			};
> +
> +			/* 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 Protected EEPROM */
> +			eeprom@57 {
> +				reg = <0x57>;
> +			};
> +
> +			/* 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 {
> +			/* 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 = "cpu1";
> +						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 = "cpu0";
> +						ethernet = <&enet0>;
> +						phy-mode = "rgmii-id";
> +
> +						fixed-link {
> +							speed = <1000>;
> +							full-duplex;
> +						};
> +					};
> +				};
> +			};
> +
> +			/* KSZ9031RNXCA ethernet phy for WAN port */
> +			phy: ethernet-phy@7 {
> +				interrupts = <3 1 0 0>;
> +				reg = <0x7>;
> +			};
> +		};
> +
> +		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 Rescue Linux Kernel Image */
> +					reg = <0x00020000 0x001a0000>;
> +					label = "rescue-kernel";
> +				};
> +
> +				partition@1c0000 {
> +					/* 1.5 MB for Rescue JFFS2 Root File System */
> +					reg = <0x001c0000 0x00180000>;
> +					label = "rescue-rootfs";
> +				};
> +
> +				partition@340000 {
> +					/* 11 MB for TAR.XZ Backup with content of NAND Root File System */
> +					reg = <0x00340000 0x00b00000>;
> +					label = "backup-rootfs";
> +				};
> +
> +				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";
> +			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>;
> +			};
> +
> +			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"
> -- 
> 2.20.1
> 



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