0001 // SPDX-License-Identifier: ISC
0002 /*
0003 * Device Tree file for Iomega NAS 100D
0004 */
0005
0006 /dts-v1/;
0007
0008 #include "intel-ixp42x.dtsi"
0009 #include <dt-bindings/input/input.h>
0010
0011 / {
0012 model = "Iomega NAS 100D";
0013 compatible = "iom,nas-100d", "intel,ixp42x";
0014 #address-cells = <1>;
0015 #size-cells = <1>;
0016
0017 memory@0 {
0018 /* 64 MB SDRAM */
0019 device_type = "memory";
0020 reg = <0x00000000 0x4000000>;
0021 };
0022
0023 chosen {
0024 bootargs = "console=ttyS0,115200n8 root=/dev/sda1 rw rootwait";
0025 stdout-path = "uart0:115200n8";
0026 };
0027
0028 aliases {
0029 serial0 = &uart0;
0030 };
0031
0032 leds {
0033 compatible = "gpio-leds";
0034 led-wlan {
0035 label = "nas100d:red:wlan";
0036 gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
0037 default-state = "on";
0038 /* We don't have WLAN trigger in the kernel (yet) */
0039 linux,default-trigger = "netdev";
0040 };
0041 led-disk {
0042 label = "nas100d:red:disk";
0043 gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
0044 default-state = "on";
0045 linux,default-trigger = "disk-activity";
0046 };
0047 led-power {
0048 label = "nas100d:red:power";
0049 gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
0050 default-state = "on";
0051 linux,default-trigger = "heartbeat";
0052 };
0053 };
0054
0055 gpio_keys {
0056 compatible = "gpio-keys";
0057
0058 button-power {
0059 wakeup-source;
0060 linux,code = <KEY_POWER>;
0061 label = "power";
0062 gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
0063 };
0064 button-reset {
0065 wakeup-source;
0066 linux,code = <KEY_ESC>;
0067 label = "reset";
0068 gpios = <&gpio0 4 GPIO_ACTIVE_LOW>;
0069 };
0070 };
0071
0072 i2c {
0073 compatible = "i2c-gpio";
0074 sda-gpios = <&gpio0 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
0075 scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
0076 #address-cells = <1>;
0077 #size-cells = <0>;
0078
0079 rtc@51 {
0080 compatible = "nxp,pcf8563";
0081 reg = <0x51>;
0082 };
0083 };
0084
0085 gpio-poweroff {
0086 compatible = "gpio-poweroff";
0087 gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
0088 timeout-ms = <5000>;
0089 };
0090
0091 soc {
0092 bus@c4000000 {
0093 /* The first 16MB region at CS0 on the expansion bus */
0094 flash@0,0 {
0095 compatible = "intel,ixp4xx-flash", "cfi-flash";
0096 bank-width = <2>;
0097 /*
0098 * 8 MB of Flash in 0x20000 byte blocks
0099 * mapped in at CS0.
0100 */
0101 reg = <0 0x00000000 0x800000>;
0102
0103 partitions {
0104 compatible = "redboot-fis";
0105 /* Eraseblock at 0x7e0000 */
0106 fis-index-block = <0x3f>;
0107 };
0108 };
0109 };
0110
0111 pci@c0000000 {
0112 status = "ok";
0113
0114 /*
0115 * Taken from NAS 100D PCI boardfile (nas100d-pci.c)
0116 * We have slots (IDSEL) 1, 2 and 3 and pins 1, 2 and 3.
0117 */
0118 #interrupt-cells = <1>;
0119 interrupt-map-mask = <0xf800 0 0 7>;
0120 interrupt-map =
0121 /* IDSEL 1 */
0122 <0x0800 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 11 */
0123 /* IDSEL 2 */
0124 <0x1000 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 10 */
0125 /* IDSEL 3 */
0126 <0x1800 0 0 1 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 3 is irq 9 */
0127 <0x1800 0 0 2 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 8 */
0128 <0x1800 0 0 3 &gpio0 7 IRQ_TYPE_LEVEL_LOW>; /* INT C on slot 3 is irq 7 */
0129 };
0130
0131 ethernet@c8009000 {
0132 status = "ok";
0133 queue-rx = <&qmgr 3>;
0134 queue-txready = <&qmgr 20>;
0135 phy-mode = "rgmii";
0136 phy-handle = <&phy0>;
0137
0138 mdio {
0139 #address-cells = <1>;
0140 #size-cells = <0>;
0141
0142 phy0: ethernet-phy@0 {
0143 reg = <0>;
0144 };
0145 };
0146 };
0147 };
0148 };
