// SPDX-License-Identifier: ISC /* * Device Tree file for D-Link DSM-G600 revision A based on IXP420 * NOTE: revision B of this device uses PowerPC and is NOT supported by * this device tree. * * Inspired by the boardfile by Rod Whitby, Tower Technologies, Alessandro Zummo * and Michael Westerhof. */ /dts-v1/; #include "intel-ixp42x.dtsi" #include <dt-bindings/input/input.h> / { model = "D-Link DSM-G600 rev A"; compatible = "dlink,dsm-g600-a", "intel,ixp42x"; #address-cells = <1>; #size-cells = <1>; memory@0 { /* 64 MB SDRAM */ device_type = "memory"; reg = <0x00000000 0x4000000>; }; chosen { bootargs = "console=ttyS0,115200n8 root=/dev/sda1 rw rootwait"; stdout-path = "uart0:115200n8"; }; aliases { serial0 = &uart0; }; leds { compatible = "gpio-leds"; led-power { label = "dsmg600:green:power"; gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>; default-state = "on"; linux,default-trigger = "heartbeat"; }; led-wlan { label = "dsmg600:green:wlan"; /* CHECKME: flagged as active low in the old board file */ gpios = <&gpio0 14 GPIO_ACTIVE_LOW>; default-state = "on"; /* We don't have WLAN trigger in the kernel (yet) */ linux,default-trigger = "netdev"; }; }; gpio_keys { compatible = "gpio-keys"; button-reset { wakeup-source; linux,code = <KEY_ESC>; label = "reset"; gpios = <&gpio0 3 GPIO_ACTIVE_LOW>; }; }; gpio_keys_polled { compatible = "gpio-keys-polled"; /* * According to the board file this key cannot handle interrupts and * need to be polled. Investigate if this is really the case or if * this can be moved adjacent to the ordinary gpio-keys above. */ button-power { wakeup-source; linux,code = <KEY_POWER>; label = "power"; gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>; }; }; i2c { compatible = "i2c-gpio"; sda-gpios = <&gpio0 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; scl-gpios = <&gpio0 4 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; #address-cells = <1>; #size-cells = <0>; rtc@51 { compatible = "nxp,pcf8563"; reg = <0x51>; }; }; gpio-poweroff { compatible = "gpio-poweroff"; gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>; timeout-ms = <5000>; }; soc { bus@c4000000 { /* The first 16MB region at CS0 on the expansion bus */ flash@0,0 { compatible = "intel,ixp4xx-flash", "cfi-flash"; bank-width = <2>; /* * 16 MB of Flash in 128 0x20000 sized blocks * mapped in at CS0. */ reg = <0 0x00000000 0x1000000>; partitions { compatible = "redboot-fis"; /* * A boot log says the directory is at 0xfe0000 * 0x7f * 0x20000 = 0xfe0000 */ fis-index-block = <0x7f>; }; }; }; pci@c0000000 { status = "okay"; /* * Taken from DSM-G600 PCI boardfile (dsmg600-pci.c) * We have slots (IDSEL) 1, 2, 3, 4 and pins 1, 2 and 3. * Only slot 3 have three IRQs. */ #interrupt-cells = <1>; interrupt-map-mask = <0xf800 0 0 7>; interrupt-map = /* IDSEL 1 */ <0x0800 0 0 1 &gpio0 7 IRQ_TYPE_LEVEL_LOW>, /* INT E on slot 1 is irq 7 */ /* IDSEL 2 */ <0x1000 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 11 */ /* IDSEL 3 */ <0x1800 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 10 */ <0x1800 0 0 2 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 9 */ <0x1800 0 0 3 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 3 is irq 8 */ /* IDSEL 4 */ <0x2000 0 0 3 &gpio0 6 IRQ_TYPE_LEVEL_LOW>; /* INT F on slot 4 is irq 6 */ }; }; };