arch/arm/boot/dts/gemini-sq201.dts

   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";
  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                         partition@0 {
  75                                 label = "RedBoot";
  76                                 reg = <0x00000000 0x00120000>;
  77                                 read-only;
  78                         };
  79                         partition@120000 {
  80                                 label = "Kernel";
  81                                 reg = <0x00120000 0x00200000>;
  82                         };
  83                         partition@320000 {
  84                                 label = "Ramdisk";
  85                                 reg = <0x00320000 0x00600000>;
  86                         };
  87                         partition@920000 {
  88                                 label = "Application";
  89                                 reg = <0x00920000 0x00600000>;
  90                         };
  91                         partition@f20000 {
  92                                 label = "VCTL";
  93                                 reg = <0x00f20000 0x00020000>;
  94                                 read-only;
  95                         };
  96                         partition@f40000 {
  97                                 label = "CurConf";
  98                                 reg = <0x00f40000 0x000a0000>;
  99                                 read-only;
 100                         };
 101                         partition@fe0000 {
 102                                 label = "FIS directory";
 103                                 reg = <0x00fe0000 0x00020000>;
 104                                 read-only;
 105                         };
 106                 };
 107
 108                 syscon: syscon@40000000 {
 109                         pinctrl {
 110                                 /*
 111                                  * gpio0fgrp cover line 18 used by reset button
 112                                  * gpio0ggrp cover line 20 used by info LED
 113                                  * gpio0kgrp cover line 31 used by USB LED
 114                                  */
 115                                 gpio0_default_pins: pinctrl-gpio0 {
 116                                         mux {
 117                                                 function = "gpio0";
 118                                                 groups = "gpio0fgrp",
 119                                                 "gpio0ggrp",
 120                                                 "gpio0kgrp";
 121                                         };
 122                                 };
 123                         };
 124                 };
 125
 126                 sata: sata@46000000 {
 127                         cortina,gemini-ata-muxmode = <0>;
 128                         cortina,gemini-enable-sata-bridge;
 129                         status = "okay";
 130                 };
 131
 132                 gpio0: gpio@4d000000 {
 133                         pinctrl-names = "default";
 134                         pinctrl-0 = <&gpio0_default_pins>;
 135                 };
 136
 137                 pci@50000000 {
 138                         status = "okay";
 139                         interrupt-map-mask = <0xf800 0 0 7>;
 140                         interrupt-map =
 141                                 <0x4800 0 0 1 &pci_intc 0>, /* Slot 9 */
 142                                 <0x4800 0 0 2 &pci_intc 1>,
 143                                 <0x4800 0 0 3 &pci_intc 2>,
 144                                 <0x4800 0 0 4 &pci_intc 3>,
 145                                 <0x5000 0 0 1 &pci_intc 1>, /* Slot 10 */
 146                                 <0x5000 0 0 2 &pci_intc 2>,
 147                                 <0x5000 0 0 3 &pci_intc 3>,
 148                                 <0x5000 0 0 4 &pci_intc 0>,
 149                                 <0x5800 0 0 1 &pci_intc 2>, /* Slot 11 */
 150                                 <0x5800 0 0 2 &pci_intc 3>,
 151                                 <0x5800 0 0 3 &pci_intc 0>,
 152                                 <0x5800 0 0 4 &pci_intc 1>,
 153                                 <0x6000 0 0 1 &pci_intc 3>, /* Slot 12 */
 154                                 <0x6000 0 0 2 &pci_intc 0>,
 155                                 <0x6000 0 0 3 &pci_intc 1>,
 156                                 <0x6000 0 0 4 &pci_intc 2>;
 157                 };
 158
 159                 ata@63000000 {
 160                         status = "okay";
 161                 };
 162         };
 163 };