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 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 };