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// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree file for ITian Square One SQ201 NAS
*/
/dts-v1/;
#include "gemini.dtsi"
#include <dt-bindings/input/input.h>
/ {
model = "ITian Square One SQ201";
compatible = "itian,sq201", "cortina,gemini";
#address-cells = <1>;
#size-cells = <1>;
memory { /* 128 MB */
device_type = "memory";
reg = <0x00000000 0x8000000>;
};
chosen {
bootargs = "console=ttyS0,115200n8";
stdout-path = &uart0;
};
gpio_keys {
compatible = "gpio-keys";
#address-cells = <1>;
#size-cells = <0>;
button@18 {
debounce_interval = <50>;
wakeup-source;
linux,code = <KEY_SETUP>;
label = "factory reset";
/* Conflict with NAND flash */
gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
};
};
leds {
compatible = "gpio-leds";
led@20 {
label = "sq201:green:info";
/* Conflict with parallel flash */
gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
default-state = "on";
linux,default-trigger = "heartbeat";
};
led@31 {
label = "sq201:green:usb";
/* Conflict with parallel and NAND flash */
gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>;
default-state = "off";
linux,default-trigger = "usb-host";
};
};
soc {
flash@30000000 {
/*
* Flash access can be enabled, with the side effect
* of disabling access to GPIO LED on GPIO0[20] which
* reuse one of the parallel flash chip select lines.
* Also the default firmware on the machine has the
* problem that since it uses the flash, the two LEDS
* on the right become numb.
*/
/* status = "okay"; */
/* 16MB of flash */
reg = <0x30000000 0x01000000>;
partition@0 {
label = "RedBoot";
reg = <0x00000000 0x00120000>;
read-only;
};
partition@120000 {
label = "Kernel";
reg = <0x00120000 0x00200000>;
};
partition@320000 {
label = "Ramdisk";
reg = <0x00320000 0x00600000>;
};
partition@920000 {
label = "Application";
reg = <0x00920000 0x00600000>;
};
partition@f20000 {
label = "VCTL";
reg = <0x00f20000 0x00020000>;
read-only;
};
partition@f40000 {
label = "CurConf";
reg = <0x00f40000 0x000a0000>;
read-only;
};
partition@fe0000 {
label = "FIS directory";
reg = <0x00fe0000 0x00020000>;
read-only;
};
};
syscon: syscon@40000000 {
pinctrl {
/*
* gpio0fgrp cover line 18 used by reset button
* gpio0ggrp cover line 20 used by info LED
* gpio0kgrp cover line 31 used by USB LED
*/
gpio0_default_pins: pinctrl-gpio0 {
mux {
function = "gpio0";
groups = "gpio0fgrp",
"gpio0ggrp",
"gpio0kgrp";
};
};
};
};
sata: sata@46000000 {
cortina,gemini-ata-muxmode = <0>;
cortina,gemini-enable-sata-bridge;
status = "okay";
};
gpio0: gpio@4d000000 {
pinctrl-names = "default";
pinctrl-0 = <&gpio0_default_pins>;
};
pci@50000000 {
status = "okay";
interrupt-map-mask = <0xf800 0 0 7>;
interrupt-map =
<0x4800 0 0 1 &pci_intc 0>, /* Slot 9 */
<0x4800 0 0 2 &pci_intc 1>,
<0x4800 0 0 3 &pci_intc 2>,
<0x4800 0 0 4 &pci_intc 3>,
<0x5000 0 0 1 &pci_intc 1>, /* Slot 10 */
<0x5000 0 0 2 &pci_intc 2>,
<0x5000 0 0 3 &pci_intc 3>,
<0x5000 0 0 4 &pci_intc 0>,
<0x5800 0 0 1 &pci_intc 2>, /* Slot 11 */
<0x5800 0 0 2 &pci_intc 3>,
<0x5800 0 0 3 &pci_intc 0>,
<0x5800 0 0 4 &pci_intc 1>,
<0x6000 0 0 1 &pci_intc 3>, /* Slot 12 */
<0x6000 0 0 2 &pci_intc 0>,
<0x6000 0 0 3 &pci_intc 1>,
<0x6000 0 0 4 &pci_intc 2>;
};
ata@63000000 {
status = "okay";
};
};
};
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