1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree file for ITian Square One SQ201 NAS
9 #include <dt-bindings/input/input.h>
12 model = "ITian Square One SQ201";
13 compatible = "itian,sq201", "cortina,gemini";
17 memory@0 { /* 128 MB */
18 device_type = "memory";
19 reg = <0x00000000 0x8000000>;
23 bootargs = "console=ttyS0,115200n8";
28 compatible = "gpio-keys";
31 debounce-interval = <50>;
33 linux,code = <KEY_SETUP>;
34 label = "factory reset";
35 /* Conflict with NAND flash */
36 gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
41 compatible = "gpio-leds";
43 label = "sq201:green:info";
44 /* Conflict with parallel flash */
45 gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
47 linux,default-trigger = "heartbeat";
50 label = "sq201:green:usb";
51 /* Conflict with parallel and NAND flash */
52 gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>;
53 default-state = "off";
54 linux,default-trigger = "usb-host";
61 * Flash access can be enabled, with the side effect
62 * of disabling access to GPIO LED on GPIO0[20] which
63 * reuse one of the parallel flash chip select lines.
64 * Also the default firmware on the machine has the
65 * problem that since it uses the flash, the two LEDS
66 * on the right become numb.
68 /* status = "okay"; */
70 reg = <0x30000000 0x01000000>;
74 reg = <0x00000000 0x00120000>;
79 reg = <0x00120000 0x00200000>;
83 reg = <0x00320000 0x00600000>;
86 label = "Application";
87 reg = <0x00920000 0x00600000>;
91 reg = <0x00f20000 0x00020000>;
96 reg = <0x00f40000 0x000a0000>;
100 label = "FIS directory";
101 reg = <0x00fe0000 0x00020000>;
106 syscon: syscon@40000000 {
109 * gpio0fgrp cover line 18 used by reset button
110 * gpio0ggrp cover line 20 used by info LED
111 * gpio0kgrp cover line 31 used by USB LED
113 gpio0_default_pins: pinctrl-gpio0 {
116 groups = "gpio0fgrp",
124 sata: sata@46000000 {
125 cortina,gemini-ata-muxmode = <0>;
126 cortina,gemini-enable-sata-bridge;
130 gpio0: gpio@4d000000 {
131 pinctrl-names = "default";
132 pinctrl-0 = <&gpio0_default_pins>;
137 interrupt-map-mask = <0xf800 0 0 7>;
139 <0x4800 0 0 1 &pci_intc 0>, /* Slot 9 */
140 <0x4800 0 0 2 &pci_intc 1>,
141 <0x4800 0 0 3 &pci_intc 2>,
142 <0x4800 0 0 4 &pci_intc 3>,
143 <0x5000 0 0 1 &pci_intc 1>, /* Slot 10 */
144 <0x5000 0 0 2 &pci_intc 2>,
145 <0x5000 0 0 3 &pci_intc 3>,
146 <0x5000 0 0 4 &pci_intc 0>,
147 <0x5800 0 0 1 &pci_intc 2>, /* Slot 11 */
148 <0x5800 0 0 2 &pci_intc 3>,
149 <0x5800 0 0 3 &pci_intc 0>,
150 <0x5800 0 0 4 &pci_intc 1>,
151 <0x6000 0 0 1 &pci_intc 3>, /* Slot 12 */
152 <0x6000 0 0 2 &pci_intc 0>,
153 <0x6000 0 0 3 &pci_intc 1>,
154 <0x6000 0 0 4 &pci_intc 2>;