1// SPDX-License-Identifier: ISC
  2/*
  3 * Device Tree file for Iomega NAS 100D
  4 */
  5
  6/dts-v1/;
  7
  8#include "intel-ixp42x.dtsi"
  9#include <dt-bindings/input/input.h>
 10
 11/ {
 12	model = "Iomega NAS 100D";
 13	compatible = "iom,nas-100d", "intel,ixp42x";
 14	#address-cells = <1>;
 15	#size-cells = <1>;
 16
 17	memory@0 {
 18		/* 64 MB SDRAM */
 19		device_type = "memory";
 20		reg = <0x00000000 0x4000000>;
 21	};
 22
 23	chosen {
 24		bootargs = "console=ttyS0,115200n8 root=/dev/sda1 rw rootwait";
 25		stdout-path = "uart0:115200n8";
 26	};
 27
 28	aliases {
 29		serial0 = &uart0;
 30	};
 31
 32	leds {
 33		compatible = "gpio-leds";
 34		led-wlan {
 35			label = "nas100d:red:wlan";
 36			gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
 37			default-state = "on";
 38			/* We don't have WLAN trigger in the kernel (yet) */
 39			linux,default-trigger = "netdev";
 40		};
 41		led-disk {
 42			label = "nas100d:red:disk";
 43			gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
 44			default-state = "on";
 45			linux,default-trigger = "disk-activity";
 46		};
 47		led-power {
 48			label = "nas100d:red:power";
 49			gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
 50			default-state = "on";
 51			linux,default-trigger = "heartbeat";
 52		};
 53	};
 54
 55	gpio_keys {
 56		compatible = "gpio-keys";
 57
 58		button-power {
 59			wakeup-source;
 60			linux,code = <KEY_POWER>;
 61			label = "power";
 62			gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
 63		};
 64		button-reset {
 65			wakeup-source;
 66			linux,code = <KEY_ESC>;
 67			label = "reset";
 68			gpios = <&gpio0 4 GPIO_ACTIVE_LOW>;
 69		};
 70	};
 71
 72	i2c {
 73		compatible = "i2c-gpio";
 74		sda-gpios = <&gpio0 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
 75		scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
 76		#address-cells = <1>;
 77		#size-cells = <0>;
 78
 79		rtc@51 {
 80			compatible = "nxp,pcf8563";
 81			reg = <0x51>;
 82		};
 83	};
 84
 85	gpio-poweroff {
 86		compatible = "gpio-poweroff";
 87		gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
 88		timeout-ms = <5000>;
 89	};
 90
 91	soc {
 92		bus@c4000000 {
 93			/* The first 16MB region at CS0 on the expansion bus */
 94			flash@0,0 {
 95				compatible = "intel,ixp4xx-flash", "cfi-flash";
 96				bank-width = <2>;
 97				/*
 98				 * 8 MB of Flash in 0x20000 byte blocks
 99				 * mapped in at CS0.
100				 */
101				reg = <0 0x00000000 0x800000>;
102
103				partitions {
104					compatible = "redboot-fis";
105					/* Eraseblock at 0x7e0000 */
106					fis-index-block = <0x3f>;
107				};
108			};
109		};
110
111		pci@c0000000 {
112			status = "ok";
113
114			/*
115			 * Taken from NAS 100D PCI boardfile (nas100d-pci.c)
116			 * We have slots (IDSEL) 1, 2 and 3 and pins 1, 2 and 3.
117			 */
118			#interrupt-cells = <1>;
119			interrupt-map-mask = <0xf800 0 0 7>;
120			interrupt-map =
121			/* IDSEL 1 */
122			<0x0800 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 11 */
123			/* IDSEL 2 */
124			<0x1000 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 10 */
125			/* IDSEL 3 */
126			<0x1800 0 0 1 &gpio0 9  IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 3 is irq 9 */
127			<0x1800 0 0 2 &gpio0 8  IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 8 */
128			<0x1800 0 0 3 &gpio0 7  IRQ_TYPE_LEVEL_LOW>; /* INT C on slot 3 is irq 7 */
129		};
130
131		ethernet@c8009000 {
132			status = "ok";
133			queue-rx = <&qmgr 3>;
134			queue-txready = <&qmgr 20>;
135			phy-mode = "rgmii";
136			phy-handle = <&phy0>;
137
138			mdio {
139				#address-cells = <1>;
140				#size-cells = <0>;
141
142				phy0: ethernet-phy@0 {
143					reg = <0>;
144				};
145			};
146		};
147	};
148};