1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Device Tree file for ITian Square One SQ201 NAS 4 */ 5 6/dts-v1/; 7 8#include "gemini.dtsi" 9#include <dt-bindings/input/input.h> 10 11/ { 12 model = "ITian Square One SQ201"; 13 compatible = "itian,sq201", "cortina,gemini"; 14 #address-cells = <1>; 15 #size-cells = <1>; 16 17 memory { /* 128 MB */ 18 device_type = "memory"; 19 reg = <0x00000000 0x8000000>; 20 }; 21 22 chosen { 23 bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait"; 24 stdout-path = &uart0; 25 }; 26 27 gpio_keys { 28 compatible = "gpio-keys"; 29 #address-cells = <1>; 30 #size-cells = <0>; 31 32 button@18 { 33 debounce_interval = <50>; 34 wakeup-source; 35 linux,code = <KEY_SETUP>; 36 label = "factory reset"; 37 /* Conflict with NAND flash */ 38 gpios = <&gpio0 18 GPIO_ACTIVE_LOW>; 39 }; 40 }; 41 42 leds { 43 compatible = "gpio-leds"; 44 led@20 { 45 label = "sq201:green:info"; 46 /* Conflict with parallel flash */ 47 gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>; 48 default-state = "on"; 49 linux,default-trigger = "heartbeat"; 50 }; 51 led@31 { 52 label = "sq201:green:usb"; 53 /* Conflict with parallel and NAND flash */ 54 gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>; 55 default-state = "off"; 56 linux,default-trigger = "usb-host"; 57 }; 58 }; 59 60 soc { 61 flash@30000000 { 62 /* 63 * Flash access can be enabled, with the side effect 64 * of disabling access to GPIO LED on GPIO0[20] which 65 * reuse one of the parallel flash chip select lines. 66 * Also the default firmware on the machine has the 67 * problem that since it uses the flash, the two LEDS 68 * on the right become numb. 69 */ 70 /* status = "okay"; */ 71 /* 16MB of flash */ 72 reg = <0x30000000 0x01000000>; 73 74 partitions { 75 compatible = "redboot-fis"; 76 /* Eraseblock at 0xfe0000 */ 77 fis-index-block = <0x1fc>; 78 }; 79 }; 80 81 syscon: syscon@40000000 { 82 pinctrl { 83 /* 84 * gpio0fgrp cover line 18 used by reset button 85 * gpio0ggrp cover line 20 used by info LED 86 * gpio0kgrp cover line 31 used by USB LED 87 */ 88 gpio0_default_pins: pinctrl-gpio0 { 89 mux { 90 function = "gpio0"; 91 groups = "gpio0fgrp", 92 "gpio0ggrp", 93 "gpio0kgrp"; 94 }; 95 }; 96 }; 97 }; 98 99 sata: sata@46000000 { 100 cortina,gemini-ata-muxmode = <0>; 101 cortina,gemini-enable-sata-bridge; 102 status = "okay"; 103 }; 104 105 gpio0: gpio@4d000000 { 106 pinctrl-names = "default"; 107 pinctrl-0 = <&gpio0_default_pins>; 108 }; 109 110 pci@50000000 { 111 status = "okay"; 112 interrupt-map-mask = <0xf800 0 0 7>; 113 interrupt-map = 114 <0x4800 0 0 1 &pci_intc 0>, /* Slot 9 */ 115 <0x4800 0 0 2 &pci_intc 1>, 116 <0x4800 0 0 3 &pci_intc 2>, 117 <0x4800 0 0 4 &pci_intc 3>, 118 <0x5000 0 0 1 &pci_intc 1>, /* Slot 10 */ 119 <0x5000 0 0 2 &pci_intc 2>, 120 <0x5000 0 0 3 &pci_intc 3>, 121 <0x5000 0 0 4 &pci_intc 0>, 122 <0x5800 0 0 1 &pci_intc 2>, /* Slot 11 */ 123 <0x5800 0 0 2 &pci_intc 3>, 124 <0x5800 0 0 3 &pci_intc 0>, 125 <0x5800 0 0 4 &pci_intc 1>, 126 <0x6000 0 0 1 &pci_intc 3>, /* Slot 12 */ 127 <0x6000 0 0 2 &pci_intc 0>, 128 <0x6000 0 0 3 &pci_intc 1>, 129 <0x6000 0 0 4 &pci_intc 2>; 130 }; 131 132 ata@63000000 { 133 status = "okay"; 134 }; 135 }; 136}; 137