powerpc: dts: Add DTS file for CZ.NIC Turris 1.x routers
authorPali Rohár <pali@kernel.org>
Fri, 24 Jun 2022 08:55:50 +0000 (10:55 +0200)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 29 Jun 2022 09:46:24 +0000 (19:46 +1000)
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@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220624085550.20570-1-pali@kernel.org
arch/powerpc/boot/dts/turris1x.dts [new file with mode: 0644]

diff --git a/arch/powerpc/boot/dts/turris1x.dts b/arch/powerpc/boot/dts/turris1x.dts
new file mode 100644 (file)
index 0000000..c76b628
--- /dev/null
@@ -0,0 +1,475 @@
+// 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@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 = "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;
+                                               };
+                                       };
+                               };
+                       };
+               };
+
+               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"