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

   1 /*
   2  * Device Tree file for ITian Square One SQ201 NAS
   3  */
   4
   5 /dts-v1/;
   6
   7 #include "gemini.dtsi"
   8 #include <dt-bindings/input/input.h>
   9
  10 / {
  11         model = "ITian Square One SQ201";
  12         compatible = "itian,sq201", "cortina,gemini";
  13         #address-cells = <1>;
  14         #size-cells = <1>;
  15
  16         memory { /* 128 MB */
  17                 device_type = "memory";
  18                 reg = <0x00000000 0x8000000>;
  19         };
  20
  21         chosen {
  22                 bootargs = "console=ttyS0,115200n8";
  23                 stdout-path = &uart0;
  24         };
  25
  26         gpio_keys {
  27                 compatible = "gpio-keys";
  28                 #address-cells = <1>;
  29                 #size-cells = <0>;
  30
  31                 button@18 {
  32                         debounce_interval = <50>;
  33                         wakeup-source;
  34                         linux,code = <KEY_SETUP>;
  35                         label = "factory reset";
  36                         /* Conflict with NAND flash */
  37                         gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
  38                 };
  39         };
  40
  41         leds {
  42                 compatible = "gpio-leds";
  43                 led@20 {
  44                         label = "sq201:green:info";
  45                         /* Conflict with parallel flash */
  46                         gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
  47                         default-state = "on";
  48                         linux,default-trigger = "heartbeat";
  49                 };
  50                 led@31 {
  51                         label = "sq201:green:usb";
  52                         /* Conflict with parallel and NAND flash */
  53                         gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>;
  54                         default-state = "off";
  55                         linux,default-trigger = "usb-host";
  56                 };
  57         };
  58
  59         soc {
  60                 flash@30000000 {
  61                         /*
  62                          * Flash access can be enabled, with the side effect
  63                          * of disabling access to GPIO LED on GPIO0[20] which
  64                          * reuse one of the parallel flash chip select lines.
  65                          * Also the default firmware on the machine has the
  66                          * problem that since it uses the flash, the two LEDS
  67                          * on the right become numb.
  68                          */
  69                         /* status = "okay"; */
  70                         /* 16MB of flash */
  71                         reg = <0x30000000 0x01000000>;
  72
  73                         partition@0 {
  74                                 label = "RedBoot";
  75                                 reg = <0x00000000 0x00120000>;
  76                                 read-only;
  77                         };
  78                         partition@120000 {
  79                                 label = "Kernel";
  80                                 reg = <0x00120000 0x00200000>;
  81                         };
  82                         partition@320000 {
  83                                 label = "Ramdisk";
  84                                 reg = <0x00320000 0x00600000>;
  85                         };
  86                         partition@920000 {
  87                                 label = "Application";
  88                                 reg = <0x00920000 0x00600000>;
  89                         };
  90                         partition@f20000 {
  91                                 label = "VCTL";
  92                                 reg = <0x00f20000 0x00020000>;
  93                                 read-only;
  94                         };
  95                         partition@f40000 {
  96                                 label = "CurConf";
  97                                 reg = <0x00f40000 0x000a0000>;
  98                                 read-only;
  99                         };
 100                         partition@fe0000 {
 101                                 label = "FIS directory";
 102                                 reg = <0x00fe0000 0x00020000>;
 103                                 read-only;
 104                         };
 105                 };
 106
 107                 syscon: syscon@40000000 {
 108                         pinctrl {
 109                                 /*
 110                                  * gpio0fgrp cover line 18 used by reset button
 111                                  * gpio0ggrp cover line 20 used by info LED
 112                                  * gpio0kgrp cover line 31 used by USB LED
 113                                  */
 114                                 gpio0_default_pins: pinctrl-gpio0 {
 115                                         mux {
 116                                                 function = "gpio0";
 117                                                 groups = "gpio0fgrp",
 118                                                 "gpio0ggrp",
 119                                                 "gpio0kgrp";
 120                                         };
 121                                 };
 122                         };
 123                 };
 124
 125                 sata: sata@46000000 {
 126                         cortina,gemini-ata-muxmode = <0>;
 127                         cortina,gemini-enable-sata-bridge;
 128                         status = "okay";
 129                 };
 130
 131                 gpio0: gpio@4d000000 {
 132                         pinctrl-names = "default";
 133                         pinctrl-0 = <&gpio0_default_pins>;
 134                 };
 135
 136                 pci@50000000 {
 137                         status = "okay";
 138                         interrupt-map-mask = <0xf800 0 0 7>;
 139                         interrupt-map =
 140                                 <0x4800 0 0 1 &pci_intc 0>, /* Slot 9 */
 141                                 <0x4800 0 0 2 &pci_intc 1>,
 142                                 <0x4800 0 0 3 &pci_intc 2>,
 143                                 <0x4800 0 0 4 &pci_intc 3>,
 144                                 <0x5000 0 0 1 &pci_intc 1>, /* Slot 10 */
 145                                 <0x5000 0 0 2 &pci_intc 2>,
 146                                 <0x5000 0 0 3 &pci_intc 3>,
 147                                 <0x5000 0 0 4 &pci_intc 0>,
 148                                 <0x5800 0 0 1 &pci_intc 2>, /* Slot 11 */
 149                                 <0x5800 0 0 2 &pci_intc 3>,
 150                                 <0x5800 0 0 3 &pci_intc 0>,
 151                                 <0x5800 0 0 4 &pci_intc 1>,
 152                                 <0x6000 0 0 1 &pci_intc 3>, /* Slot 12 */
 153                                 <0x6000 0 0 2 &pci_intc 0>,
 154                                 <0x6000 0 0 3 &pci_intc 1>,
 155                                 <0x6000 0 0 4 &pci_intc 2>;
 156                 };
 157
 158                 ata@63000000 {
 159                         status = "okay";
 160                 };
 161         };
 162 };