summaryrefslogtreecommitdiff
path: root/arch/arm/boot/dts/meson8b-ec100.dts
blob: 163a200d5a7b63afdbf742f47eb571aa6c21b717 (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
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (c) 2018 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

#include "meson8b.dtsi"

/ {
	model = "Endless Computers Endless Mini";
	compatible = "endless,ec100", "amlogic,meson8b";

	aliases {
		serial0 = &uart_AO;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	memory {
		device_type = "memory";
		reg = <0x40000000 0x40000000>;
	};

	gpio-keys {
		compatible = "gpio-keys-polled";
		#address-cells = <1>;
		#size-cells = <0>;
		poll-interval = <100>;

		pal-switch {
			label = "pal";
			linux,input-type = <EV_SW>;
			linux,code = <KEY_SWITCHVIDEOMODE>;
			gpios = <&gpio GPIOH_7 GPIO_ACTIVE_LOW>;
		};

		ntsc-switch {
			label = "ntsc";
			linux,input-type = <EV_SW>;
			linux,code = <KEY_SWITCHVIDEOMODE>;
			gpios = <&gpio GPIOH_8 GPIO_ACTIVE_HIGH>;
		};

		power-button {
			label = "power";
			linux,code = <KEY_POWER>;
			gpios = <&gpio GPIOH_9 GPIO_ACTIVE_LOW>;
		};
	};

	gpio-poweroff {
		compatible = "gpio-poweroff";
		/*
		 * shutdown is managed by the EC (embedded micro-controller)
		 * which is configured through GPIOAO_2 (poweroff GPIO) and
		 * GPIOAO_7 (power LED, which has to go LOW as well).
		 */
		gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
		timeout-ms = <20000>;
	};

	iio-hwmon {
		compatible = "iio-hwmon";
		io-channels = <&saradc 8>;
	};

	leds {
		compatible = "gpio-leds";

		power {
			label = "ec100:red:power";
			/*
			 * Needs to go LOW (together with the poweroff GPIO)
			 * during shutdown to allow the EC (embedded
			 * micro-controller) to shutdown the system. Setting
			 * the output to LOW signals the EC to start a
			 * "breathing"/pulsing effect until the power is fully
			 * turned off.
			 */
			gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_HIGH>;
			default-state = "on";
		};
	};

	rtc32k_xtal: rtc32k-xtal-clk {
		/* X2 in the schematics */
		compatible = "fixed-clock";
		clock-frequency = <32768>;
		clock-output-names = "RTC32K";
		#clock-cells = <0>;
	};

	usb_vbus: regulator-usb-vbus {
		/*
		 * Silergy SY6288CCAC-GP 2A Power Distribution Switch.
		 */
		compatible = "regulator-fixed";

		regulator-name = "USB_VBUS";

		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;

		vin-supply = <&vcc_5v>;

		/*
		 * signal name from the schematics: USB_PWR_EN
		 */
		gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	vcc_5v: regulator-vcc5v {
		/*
		 * supplied by the main power input which called PWR_5V_STB
		 * in the schematics
		 */
		compatible = "regulator-fixed";

		regulator-name = "VCC5V";

		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;

		/*
		 * signal name from the schematics: 3V3_5V_EN
		 */
		gpio = <&gpio GPIODV_29 GPIO_ACTIVE_LOW>;

		regulator-boot-on;
		regulator-always-on;
	};

	vcck: regulator-vcck {
		/*
		 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
		 * Synchronous Step Down Regulator.
		 */
		compatible = "pwm-regulator";

		regulator-name = "VCCK";
		regulator-min-microvolt = <860000>;
		regulator-max-microvolt = <1140000>;

		vin-supply = <&vcc_5v>;

		pwms = <&pwm_cd 0 1148 0>;
		pwm-dutycycle-range = <100 0>;

		regulator-boot-on;
		regulator-always-on;
	};

	vcc_1v8: regulator-vcc1v8 {
		/*
		 * ABLIC S-1339D18-M5001-GP
		 */
		compatible = "regulator-fixed";

		regulator-name = "VCC1V8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;

		vin-supply = <&vcc_3v3>;
	};

	vcc_3v3: regulator-vcc3v3 {
		/*
		 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
		 * Synchronous Step Down Regulator. Also called
		 * VDDIO_AO3.3V in the schematics.
		 */
		compatible = "regulator-fixed";

		regulator-name = "VCC3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;

		vin-supply = <&vcc_5v>;
	};

	vcc_ddr3: regulator-vcc-ddr3 {
		/*
		 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
		 * Synchronous Step Down Regulator. Also called
		 * DDR3_1.5V in the schematics.
		 */
		compatible = "regulator-fixed";

		regulator-name = "VCC_DDR3_1V5";
		regulator-min-microvolt = <1500000>;
		regulator-max-microvolt = <1500000>;

		vin-supply = <&vcc_5v>;

		regulator-boot-on;
		regulator-always-on;
	};

	vcc_rtc: regulator-vcc-rtc {
		/*
		 * Global Mixed-mode Technology Inc. G918T12U-GP
		 */
		compatible = "regulator-fixed";

		regulator-name = "VCC_RTC";
		regulator-min-microvolt = <900000>;
		regulator-max-microvolt = <900000>;

		/*
		 * When the board is powered then the input is VCC3V3,
		 * otherwise power is taken from the coin cell battery.
		 */
		vin-supply = <&vcc_3v3>;
	};

	vddee: regulator-vddee {
		/*
		 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
		 * Synchronous Step Down Regulator. Also called VDDAO
		 * in a part of the schematics.
		 */
		compatible = "pwm-regulator";

		regulator-name = "VDDEE";
		regulator-min-microvolt = <860000>;
		regulator-max-microvolt = <1140000>;

		vin-supply = <&vcc_5v>;

		pwms = <&pwm_cd 1 1148 0>;
		pwm-dutycycle-range = <100 0>;

		regulator-boot-on;
		regulator-always-on;
	};
};

&cpu0 {
	cpu-supply = <&vcck>;
};

&ethmac {
	status = "okay";

	pinctrl-0 = <&eth_rmii_pins>;
	pinctrl-names = "default";

	phy-handle = <&eth_phy0>;
	phy-mode = "rmii";

	mdio {
		compatible = "snps,dwmac-mdio";
		#address-cells = <1>;
		#size-cells = <0>;

		eth_phy0: ethernet-phy@0 {
			/* IC Plus IP101A/G (0x02430c54) */
			reg = <0>;

			reset-assert-us = <10000>;
			reset-deassert-us = <10000>;
			reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;

			icplus,select-interrupt;
			interrupt-parent = <&gpio_intc>;
			/* GPIOH_3 */
			interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
		};
	};
};

&i2c_A {
	status = "okay";
	pinctrl-0 = <&i2c_a_pins>;
	pinctrl-names = "default";

	rt5640: codec@1c {
		compatible = "realtek,rt5640";
		reg = <0x1c>;
		interrupt-parent = <&gpio_intc>;
		interrupts = <13 IRQ_TYPE_EDGE_BOTH>; /* GPIOAO_13 */
		realtek,in1-differential;
	};
};

&mali {
	mali-supply = <&vddee>;
};

&saradc {
	status = "okay";
	vref-supply = <&vcc_1v8>;
};

&sdio {
	status = "okay";

	pinctrl-0 = <&sd_b_pins>;
	pinctrl-names = "default";

	/* SD card */
	sd_card_slot: slot@1 {
		compatible = "mmc-slot";
		reg = <1>;
		status = "okay";

		bus-width = <4>;
		no-sdio;
		cap-mmc-highspeed;
		cap-sd-highspeed;
		disable-wp;

		cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;

		vmmc-supply = <&vcc_3v3>;
	};
};

&gpio_ao {
	gpio-line-names = "Linux_TX", "Linux_RX",
			  "SLP_S5_N", "USB2_OC_FLAG#",
			  "HUB_RST", "USB_PWR_EN",
			  "I2S_IN", "SLP_S1_N",
			  "TCK", "TMS", "TDI", "TDO",
			  "HDMI_CEC", "5640_IRQ",
			  "MUTE", "S805_TEST#";
};

&gpio {
	gpio-line-names = /* Bank GPIOX */
			  "WIFI_SD_D0", "WIFI_SD_D1", "WIFI_SD_D2",
			  "WIFI_SD_D3", "BTPCM_DOUT", "BTPCM_DIN",
			  "BTPCM_SYNC", "BTPCM_CLK", "WIFI_SD_CLK",
			  "WIFI_SD_CMD", "WIFI_32K", "WIFI_PWREN",
			  "UART_B_TX", "UART_B_RX", "UART_B_CTS_N",
			  "UART_B_RTS_N", "BT_EN", "WIFI_WAKE_HOST",
			  /* Bank GPIOY */
			  "", "", "", "", "", "", "", "", "", "",
			  "", "",
			  /* Bank GPIODV */
			  "VCCK_PWM_C", "I2C_SDA_A", "I2C_SCL_A",
			  "I2C_SDA_B", "I2C_SCL_B", "VDDEE_PWM_D",
			  "VDDEE_PWM 3V3_5V_EN",
			  /* Bank GPIOH */
			  "HDMI_HPD", "HDMI_I2C_SDA", "HDMI_I2C_SCL",
			  "RMII_IRQ", "RMII_RST#", "RMII_TXD1",
			  "RMII_TXD0", "AV_select_1", "AV_select_2",
			  "MCU_Control_S",
			  /* Bank CARD */
			  "SD_D1_B", "SD_D0_B", "SD_CLK_8726MX",
			  "SD_CMD_8726MX", "SD_D3_B", "SD_D2_B",
			  "CARD_EN_DET (CARD_DET)",
			  /* Bank BOOT */
			  "NAND_D0 (EMMC)", "NAND_D1 (EMMC)",
			  "NAND_D2 (EMMC)", "NAND_D3 (EMMC)",
			  "NAND_D4 (EMMC)", "NAND_D5 (EMMC)",
			  "NAND_D6 (EMMC)", "NAND_D7 (EMMC)",
			  "NAND_CS1 (EMMC)", "NAND_CS2 iNAND_RS1 (EMMC)",
			  "NAND_nR/B iNAND_CMD (EMMC)", "NAND_ALE (EMMC)",
			  "NAND_CLE (EMMC)", "nRE_S1 NAND_nRE (EMMC)",
			  "nWE_S1 NAND_nWE (EMMC)",  "", "", "SPI_CS",
			  /* Bank DIF */
			  "RMII_RXD1", "RMII_RXD0", "RMII_CRS_DV",
			  "RMII_50M_IN", "GPIODIF_4", "GPIODIF_5",
			  "RMII_TXEN", "CPUETH_25MOUT", "RMII_MDC",
			  "RMII_MDIO";
};

&pwm_cd {
	status = "okay";
	pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>;
	pinctrl-names = "default";
	clocks = <&xtal>, <&xtal>;
	clock-names = "clkin0", "clkin1";
};

&rtc {
	status = "okay";
	clocks = <&rtc32k_xtal>;
	vdd-supply = <&vcc_rtc>;
};

/* exposed through the pin headers labeled "URDUG1" on the top of the PCB */
&uart_AO {
	status = "okay";
	pinctrl-0 = <&uart_ao_a_pins>;
	pinctrl-names = "default";
};

/*
 * connected to the Bluetooth part of the RTL8723BS SDIO wifi / Bluetooth
 * combo chip. This is only available on the variant with 2GB RAM.
 */
&uart_B {
	status = "okay";
	pinctrl-0 = <&uart_b0_pins>, <&uart_b0_cts_rts_pins>;
	pinctrl-names = "default";
	uart-has-rtscts;
};

&usb1 {
	status = "okay";
	vbus-supply = <&usb_vbus>;
};

&usb1_phy {
	status = "okay";
};