summaryrefslogtreecommitdiffstats
path: root/arch/arm/boot/dts/gemini-sq201.dts
blob: 239dfacaae4d952d06748c526fe047bdf33929d8 (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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
// 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@0 { /* 128 MB */
		device_type = "memory";
		reg = <0x00000000 0x8000000>;
	};

	chosen {
		bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait";
		stdout-path = &uart0;
	};

	gpio_keys {
		compatible = "gpio-keys";

		button-setup {
			debounce-interval = <100>;
			wakeup-source;
			linux,code = <KEY_SETUP>;
			label = "factory reset";
			/* Conflict with NAND flash */
			gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
		};
	};

	leds {
		compatible = "gpio-leds";
		led-green-info {
			label = "sq201:green:info";
			gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};
		led-green-usb {
			label = "sq201:green:usb";
			gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>;
			default-state = "off";
			linux,default-trigger = "usb-host";
		};
	};

	mdio0: mdio {
		compatible = "virtual,mdio-gpio";
		/* Uses MDC and MDIO */
		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
			<&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
		#address-cells = <1>;
		#size-cells = <0>;

		/* This is a Marvell 88E1111 ethernet transciever */
		phy0: ethernet-phy@1 {
			reg = <1>;
		};
	};

	spi {
		compatible = "spi-gpio";
		#address-cells = <1>;
		#size-cells = <0>;
		/* Check pin collisions */
		gpio-sck = <&gpio1 28 GPIO_ACTIVE_HIGH>;
		gpio-miso = <&gpio1 30 GPIO_ACTIVE_HIGH>;
		gpio-mosi = <&gpio1 29 GPIO_ACTIVE_HIGH>;
		cs-gpios = <&gpio1 31 GPIO_ACTIVE_HIGH>;
		num-chipselects = <1>;

		switch@0 {
			compatible = "vitesse,vsc7395";
			reg = <0>;
			/* Specified for 2.5 MHz or below */
			spi-max-frequency = <2500000>;
			gpio-controller;
			#gpio-cells = <2>;

			ports {
				#address-cells = <1>;
				#size-cells = <0>;

				port@0 {
					reg = <0>;
					label = "lan1";
				};
				port@1 {
					reg = <1>;
					label = "lan2";
				};
				port@2 {
					reg = <2>;
					label = "lan3";
				};
				port@3 {
					reg = <3>;
					label = "lan4";
				};
				vsc: port@6 {
					reg = <6>;
					label = "cpu";
					ethernet = <&gmac1>;
					phy-mode = "rgmii";
					fixed-link {
						speed = <1000>;
						full-duplex;
						pause;
					};
				};
			};
		};
	};


	soc {
		flash@30000000 {
			status = "okay";
			pinctrl-names = "enabled", "disabled";
			pinctrl-0 = <&pflash_default_pins>;
			pinctrl-1 = <&pflash_disabled_pins>;
			/* 16MB of flash */
			reg = <0x30000000 0x01000000>;

			partitions {
				compatible = "redboot-fis";
				/* Eraseblock at 0xfe0000 */
				fis-index-block = <0x1fc>;
			};
		};

		syscon: syscon@40000000 {
			pinctrl {
				/*
				 * gpio0fgrp cover line 18 used by reset button
				 * gpio0ggrp cover line 20 used by info LED
				 * gpio0hgrp cover line 21, 22 used by MDIO for Marvell PHY
				 * gpio0kgrp cover line 31 used by USB LED
				 */
				gpio0_default_pins: pinctrl-gpio0 {
					mux {
						function = "gpio0";
						groups = "gpio0fgrp",
						"gpio0hgrp";
					};
				};
				/*
				 * gpio0dgrp cover lines used by the SPI
				 * to the Vitesse G5x chip.
				 */
				gpio1_default_pins: pinctrl-gpio1 {
					mux {
						function = "gpio1";
						groups = "gpio1dgrp";
					};
				};
				/*
				 * These GPIO groups will be mapped in over some
				 * of the flash pins when the flash is not in
				 * active use.
				 */
				pflash_disabled_pins: pinctrl-pflash-disabled {
					mux {
						function = "gpio0";
						groups = "gpio0ggrp", "gpio0igrp", "gpio0jgrp",
							 "gpio0kgrp";
					};
				};
				pinctrl-gmii {
					mux {
						function = "gmii";
						groups = "gmii_gmac0_grp", "gmii_gmac1_grp";
					};
					/* Settings come from memory dump in PLATO */
					conf0 {
						pins = "V8 GMAC0 RXDV";
						skew-delay = <0>;
					};
					conf1 {
						pins = "Y7 GMAC0 RXC";
						skew-delay = <15>;
					};
					conf2 {
						pins = "T8 GMAC0 TXEN";
						skew-delay = <7>;
					};
					conf3 {
						pins = "U8 GMAC0 TXC";
						skew-delay = <10>;
					};
					conf4 {
						pins = "T10 GMAC1 RXDV";
						skew-delay = <7>;
					};
					conf5 {
						pins = "Y11 GMAC1 RXC";
						skew-delay = <8>;
					};
					conf6 {
						pins = "W11 GMAC1 TXEN";
						skew-delay = <7>;
					};
					conf7 {
						pins = "V11 GMAC1 TXC";
						skew-delay = <5>;
					};
					conf8 {
						/* The data lines all have default skew */
						pins = "W8 GMAC0 RXD0", "V9 GMAC0 RXD1",
						       "Y8 GMAC0 RXD2", "U9 GMAC0 RXD3",
						       "T7 GMAC0 TXD0", "U6 GMAC0 TXD1",
						       "V7 GMAC0 TXD2", "U7 GMAC0 TXD3",
						       "Y12 GMAC1 RXD0", "V12 GMAC1 RXD1",
						       "T11 GMAC1 RXD2", "W12 GMAC1 RXD3",
						       "U10 GMAC1 TXD0", "Y10 GMAC1 TXD1",
						       "W10 GMAC1 TXD2", "T9 GMAC1 TXD3";
						skew-delay = <7>;
					};
					/* Set up drive strength on GMAC0 and GMAC1 to 16 mA */
					conf9 {
						groups = "gmii_gmac0_grp", "gmii_gmac1_grp";
						drive-strength = <16>;
					};
				};
			};
		};

		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>;
		};

		gpio1: gpio@4e000000 {
			pinctrl-names = "default";
			pinctrl-0 = <&gpio1_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>;
		};

		ethernet@60000000 {
			status = "okay";

			ethernet-port@0 {
				phy-mode = "rgmii";
				phy-handle = <&phy0>;
			};
			ethernet-port@1 {
				phy-mode = "rgmii";
				fixed-link {
					speed = <1000>;
					full-duplex;
					pause;
				};
			};
		};

		ata@63000000 {
			status = "okay";
		};

		usb@68000000 {
			status = "okay";
		};

		usb@69000000 {
			status = "okay";
		};
	};
};