summaryrefslogtreecommitdiffstats
path: root/arch/arm/boot/dts/gemini-sq201.dts
blob: 7cfa9caf47d4e642031a2315bd41f743ace7a75b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
/*
 * 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";
		};
	};
};