// SPDX-License-Identifier: ISC /* * Device Tree file for the Freecom FSG-3 router. * This machine is based on IXP425. * This device tree is inspired by the board file by Rod Whitby. */ /dts-v1/; #include "intel-ixp42x.dtsi" #include <dt-bindings/input/input.h> / { model = "Freecom FSG-3"; compatible = "freecom,fsg-3", "intel,ixp42x"; #address-cells = <1>; #size-cells = <1>; memory@0 { /* 64 MB memory */ device_type = "memory"; reg = <0x00000000 0x4000000>; }; chosen { /* Boot from the first partition on the hard drive */ bootargs = "console=ttyS0,115200n8 root=/dev/sda1 rw rootfstype=ext4 rootwait"; stdout-path = "uart0:115200n8"; }; aliases { serial0 = &uart0; }; gpio_keys { compatible = "gpio-keys"; button-sync { wakeup-source; /* Closest approximation of what the key should do */ linux,code = <KEY_CONNECT>; label = "sync"; gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>; }; button-reset { wakeup-source; linux,code = <KEY_ESC>; label = "reset"; gpios = <&gpio0 9 GPIO_ACTIVE_LOW>; }; button-usb { wakeup-source; /* Unplug USB, closest approximation of what the key should do */ linux,code = <KEY_EJECTCD>; label = "usb"; gpios = <&gpio0 10 GPIO_ACTIVE_LOW>; }; }; i2c { compatible = "i2c-gpio"; sda-gpios = <&gpio0 12 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; scl-gpios = <&gpio0 13 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; #address-cells = <1>; #size-cells = <0>; hwmon@28 { /* * Temperature sensor and fan control chip. * * TODO: create a proper device tree binding for * the sensor and temperature zone and create a * zone with fan control. */ compatible = "winbond,w83781d"; reg = <0x28>; }; rtc@6f { compatible = "isil,isl1208"; reg = <0x6f>; }; }; soc { bus@c4000000 { flash@0,0 { compatible = "intel,ixp4xx-flash", "cfi-flash"; bank-width = <2>; /* Enable writes on the expansion bus */ intel,ixp4xx-eb-write-enable = <1>; /* 4 MB of Flash mapped in at CS0 */ reg = <0 0x00000000 0x400000>; partitions { compatible = "redboot-fis"; /* Eraseblock at 0x3e0000 */ fis-index-block = <0x1f>; }; }; /* Small syscon with some LEDs at CS2 */ syscon@2,0 { compatible = "freecom,fsg-cs2-system-controller", "syscon"; reg = <2 0x0 0x200>; reg-io-width = <2>; #address-cells = <1>; #size-cells = <1>; ranges = <2 0x0 0x0 0x200>; led@0,0 { compatible = "register-bit-led"; reg = <0x00 0x02>; mask = <0x01>; label = "fsg:blue:wlan"; linux,default-trigger = "wlan"; default-state = "on"; }; led@0,1 { compatible = "register-bit-led"; reg = <0x00 0x02>; mask = <0x02>; label = "fsg:blue:wan"; linux,default-trigger = ""; default-state = "on"; }; led@0,2 { compatible = "register-bit-led"; reg = <0x00 0x02>; mask = <0x04>; label = "fsg:blue:sata"; linux,default-trigger = ""; default-state = "on"; }; led@0,3 { compatible = "register-bit-led"; reg = <0x00 0x02>; mask = <0x04>; label = "fsg:blue:usb"; linux,default-trigger = ""; default-state = "on"; }; led@0,4 { compatible = "register-bit-led"; reg = <0x00 0x02>; mask = <0x08>; label = "fsg:blue:sync"; linux,default-trigger = ""; default-state = "on"; }; led@0,5 { compatible = "register-bit-led"; reg = <0x00 0x02>; mask = <0x10>; label = "fsg:blue:ring"; linux,default-trigger = ""; default-state = "on"; }; }; }; pci@c0000000 { status = "okay"; /* * Written based on the FSG-3 PCI boardfile. * We have slots 12, 13 & 14 (IDSEL) with one IRQ each. */ #interrupt-cells = <1>; interrupt-map-mask = <0xf800 0 0 7>; interrupt-map = /* IDSEL 12 */ <0x6000 0 0 1 &gpio0 5 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 12 is irq 5 */ <0x6000 0 0 2 &gpio0 5 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 12 is irq 5 */ <0x6000 0 0 3 &gpio0 5 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 12 is irq 5 */ <0x6000 0 0 4 &gpio0 5 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 12 is irq 5 */ /* IDSEL 13 */ <0x6800 0 0 1 &gpio0 7 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 13 is irq 7 */ <0x6800 0 0 2 &gpio0 7 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 13 is irq 7 */ <0x6800 0 0 3 &gpio0 7 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 13 is irq 7 */ <0x6800 0 0 4 &gpio0 7 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 13 is irq 7 */ /* IDSEL 14 */ <0x7000 0 0 1 &gpio0 6 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 14 is irq 6 */ <0x7000 0 0 2 &gpio0 6 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 14 is irq 6 */ <0x7000 0 0 3 &gpio0 6 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 14 is irq 6 */ <0x7000 0 0 4 &gpio0 6 IRQ_TYPE_LEVEL_LOW>; /* INT D on slot 14 is irq 6 */ }; /* EthB */ ethernet@c8009000 { status = "okay"; queue-rx = <&qmgr 3>; queue-txready = <&qmgr 20>; phy-mode = "rgmii"; phy-handle = <&phy5>; mdio { #address-cells = <1>; #size-cells = <0>; phy4: ethernet-phy@4 { reg = <4>; }; phy5: ethernet-phy@5 { reg = <5>; }; }; }; /* EthC */ ethernet@c800a000 { status = "okay"; queue-rx = <&qmgr 4>; queue-txready = <&qmgr 21>; phy-mode = "rgmii"; phy-handle = <&phy4>; }; }; };