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1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (c) 2018 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
4 */
5
6/dts-v1/;
7
8#include <dt-bindings/gpio/gpio.h>
9#include <dt-bindings/input/input.h>
10
11#include "meson8b.dtsi"
12
13/ {
14 model = "Endless Computers Endless Mini";
15 compatible = "endless,ec100", "amlogic,meson8b";
16
17 aliases {
18 serial0 = &uart_AO;
19 };
20
21 chosen {
22 stdout-path = "serial0:115200n8";
23 };
24
25 memory@40000000 {
26 device_type = "memory";
27 reg = <0x40000000 0x40000000>;
28 };
29
30 emmc_pwrseq: emmc-pwrseq {
31 compatible = "mmc-pwrseq-emmc";
32 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
33 };
34
35 gpio-keys {
36 compatible = "gpio-keys-polled";
37 poll-interval = <100>;
38
39 pal-switch {
40 label = "pal";
41 linux,input-type = <EV_SW>;
42 linux,code = <KEY_SWITCHVIDEOMODE>;
43 gpios = <&gpio GPIOH_7 GPIO_ACTIVE_LOW>;
44 };
45
46 ntsc-switch {
47 label = "ntsc";
48 linux,input-type = <EV_SW>;
49 linux,code = <KEY_SWITCHVIDEOMODE>;
50 gpios = <&gpio GPIOH_8 GPIO_ACTIVE_HIGH>;
51 };
52
53 power-button {
54 label = "power";
55 linux,code = <KEY_POWER>;
56 gpios = <&gpio GPIOH_9 GPIO_ACTIVE_LOW>;
57 };
58 };
59
60 gpio-poweroff {
61 compatible = "gpio-poweroff";
62 /*
63 * shutdown is managed by the EC (embedded micro-controller)
64 * which is configured through GPIOAO_2 (poweroff GPIO) and
65 * GPIOAO_7 (power LED, which has to go LOW as well).
66 */
67 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
68 timeout-ms = <20000>;
69 };
70
71 leds {
72 compatible = "gpio-leds";
73
74 led-power {
75 label = "ec100:red:power";
76 /*
77 * Needs to go LOW (together with the poweroff GPIO)
78 * during shutdown to allow the EC (embedded
79 * micro-controller) to shutdown the system. Setting
80 * the output to LOW signals the EC to start a
81 * "breathing"/pulsing effect until the power is fully
82 * turned off.
83 */
84 gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_HIGH>;
85 default-state = "on";
86 };
87 };
88
89 rtc32k_xtal: rtc32k-xtal-clk {
90 /* X2 in the schematics */
91 compatible = "fixed-clock";
92 clock-frequency = <32768>;
93 clock-output-names = "RTC32K";
94 #clock-cells = <0>;
95 };
96
97 sound {
98 compatible = "amlogic,gx-sound-card";
99 model = "M8B-EC100";
100
101 clocks = <&clkc CLKID_MPLL0>,
102 <&clkc CLKID_MPLL1>,
103 <&clkc CLKID_MPLL2>;
104
105 assigned-clocks = <&clkc CLKID_MPLL0>,
106 <&clkc CLKID_MPLL1>,
107 <&clkc CLKID_MPLL2>;
108 assigned-clock-rates = <270950400>,
109 <294912000>,
110 <393216000>;
111
112 dai-link-0 {
113 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
114 };
115
116 dai-link-1 {
117 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
118 dai-format = "i2s";
119 mclk-fs = <256>;
120
121 codec-0 {
122 sound-dai = <&rt5640>;
123 };
124 };
125 };
126
127 usb_vbus: regulator-usb-vbus {
128 /*
129 * Silergy SY6288CCAC-GP 2A Power Distribution Switch.
130 */
131 compatible = "regulator-fixed";
132
133 regulator-name = "USB_VBUS";
134
135 regulator-min-microvolt = <5000000>;
136 regulator-max-microvolt = <5000000>;
137
138 vin-supply = <&vcc_5v>;
139
140 /*
141 * signal name from the schematics: USB_PWR_EN
142 */
143 gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
144 enable-active-high;
145 };
146
147 vcc_5v: regulator-vcc5v {
148 /*
149 * supplied by the main power input which called PWR_5V_STB
150 * in the schematics
151 */
152 compatible = "regulator-fixed";
153
154 regulator-name = "VCC5V";
155
156 regulator-min-microvolt = <5000000>;
157 regulator-max-microvolt = <5000000>;
158
159 /*
160 * signal name from the schematics: 3V3_5V_EN
161 */
162 gpio = <&gpio GPIODV_29 GPIO_ACTIVE_LOW>;
163
164 regulator-boot-on;
165 regulator-always-on;
166 };
167
168 vcck: regulator-vcck {
169 /*
170 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
171 * Synchronous Step Down Regulator.
172 */
173 compatible = "pwm-regulator";
174
175 regulator-name = "VCCK";
176 regulator-min-microvolt = <860000>;
177 regulator-max-microvolt = <1140000>;
178
179 pwm-supply = <&vcc_5v>;
180
181 pwms = <&pwm_cd 0 1148 0>;
182 pwm-dutycycle-range = <100 0>;
183
184 regulator-boot-on;
185 regulator-always-on;
186 };
187
188 vcc_1v8: regulator-vcc1v8 {
189 /*
190 * ABLIC S-1339D18-M5001-GP
191 */
192 compatible = "regulator-fixed";
193
194 regulator-name = "VCC1V8";
195 regulator-min-microvolt = <1800000>;
196 regulator-max-microvolt = <1800000>;
197
198 vin-supply = <&vcc_3v3>;
199 };
200
201 vcc_3v3: regulator-vcc3v3 {
202 /*
203 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
204 * Synchronous Step Down Regulator. Also called
205 * VDDIO_AO3.3V in the schematics.
206 */
207 compatible = "regulator-fixed";
208
209 regulator-name = "VCC3V3";
210 regulator-min-microvolt = <3300000>;
211 regulator-max-microvolt = <3300000>;
212
213 vin-supply = <&vcc_5v>;
214 };
215
216 vcc_ddr3: regulator-vcc-ddr3 {
217 /*
218 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
219 * Synchronous Step Down Regulator. Also called
220 * DDR3_1.5V in the schematics.
221 */
222 compatible = "regulator-fixed";
223
224 regulator-name = "VCC_DDR3_1V5";
225 regulator-min-microvolt = <1500000>;
226 regulator-max-microvolt = <1500000>;
227
228 vin-supply = <&vcc_5v>;
229
230 regulator-boot-on;
231 regulator-always-on;
232 };
233
234 vcc_rtc: regulator-vcc-rtc {
235 /*
236 * Global Mixed-mode Technology Inc. G918T12U-GP
237 */
238 compatible = "regulator-fixed";
239
240 regulator-name = "VCC_RTC";
241 regulator-min-microvolt = <900000>;
242 regulator-max-microvolt = <900000>;
243
244 /*
245 * When the board is powered then the input is VCC3V3,
246 * otherwise power is taken from the coin cell battery.
247 */
248 vin-supply = <&vcc_3v3>;
249 };
250
251 vddee: regulator-vddee {
252 /*
253 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
254 * Synchronous Step Down Regulator. Also called VDDAO
255 * in a part of the schematics.
256 */
257 compatible = "pwm-regulator";
258
259 regulator-name = "VDDEE";
260 regulator-min-microvolt = <860000>;
261 regulator-max-microvolt = <1140000>;
262
263 pwm-supply = <&vcc_5v>;
264
265 pwms = <&pwm_cd 1 1148 0>;
266 pwm-dutycycle-range = <100 0>;
267
268 regulator-boot-on;
269 regulator-always-on;
270 };
271};
272
273&aiu {
274 status = "okay";
275
276 pinctrl-0 = <&i2s_am_clk_pins>, <&i2s_out_ao_clk_pins>,
277 <&i2s_out_lr_clk_pins>, <&i2s_out_ch01_ao_pins>;
278 pinctrl-names = "default";
279};
280
281&cpu0 {
282 cpu-supply = <&vcck>;
283};
284
285ðmac {
286 status = "okay";
287
288 pinctrl-0 = <ð_rmii_pins>;
289 pinctrl-names = "default";
290
291 phy-handle = <ð_phy0>;
292 phy-mode = "rmii";
293
294 mdio {
295 compatible = "snps,dwmac-mdio";
296 #address-cells = <1>;
297 #size-cells = <0>;
298
299 eth_phy0: ethernet-phy@0 {
300 /* IC Plus IP101A/G (0x02430c54) */
301 reg = <0>;
302
303 reset-assert-us = <10000>;
304 reset-deassert-us = <10000>;
305 reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
306
307 icplus,select-interrupt;
308 interrupt-parent = <&gpio_intc>;
309 /* GPIOH_3 */
310 interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
311 };
312 };
313};
314
315&i2c_A {
316 status = "okay";
317 pinctrl-0 = <&i2c_a_pins>;
318 pinctrl-names = "default";
319
320 rt5640: codec@1c {
321 compatible = "realtek,rt5640";
322
323 reg = <0x1c>;
324
325 #sound-dai-cells = <0>;
326
327 interrupt-parent = <&gpio_intc>;
328 interrupts = <13 IRQ_TYPE_EDGE_BOTH>; /* GPIOAO_13 */
329
330 /*
331 * TODO: realtek,ldo1-en-gpios is connected to GPIO_BSD_EN.
332 * We currently cannot configure this pin correctly.
333 * Luckily for us it's in the "right" state by default.
334 */
335 realtek,in1-differential;
336 };
337};
338
339&mali {
340 mali-supply = <&vddee>;
341};
342
343&saradc {
344 status = "okay";
345 vref-supply = <&vcc_1v8>;
346};
347
348&sdhc {
349 status = "okay";
350
351 pinctrl-0 = <&sdxc_c_pins>;
352 pinctrl-names = "default";
353
354 bus-width = <8>;
355 max-frequency = <50000000>;
356
357 cap-mmc-highspeed;
358 disable-wp;
359 non-removable;
360 no-sdio;
361
362 mmc-pwrseq = <&emmc_pwrseq>;
363
364 vmmc-supply = <&vcc_3v3>;
365 vqmmc-supply = <&vcc_3v3>;
366};
367
368&sdio {
369 status = "okay";
370
371 pinctrl-0 = <&sd_b_pins>;
372 pinctrl-names = "default";
373
374 /* SD card */
375 sd_card_slot: slot@1 {
376 compatible = "mmc-slot";
377 reg = <1>;
378 status = "okay";
379
380 bus-width = <4>;
381 no-sdio;
382 cap-mmc-highspeed;
383 cap-sd-highspeed;
384 disable-wp;
385
386 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
387
388 vmmc-supply = <&vcc_3v3>;
389 };
390};
391
392&gpio_ao {
393 gpio-line-names = "Linux_TX", "Linux_RX",
394 "SLP_S5_N", "USB2_OC_FLAG#",
395 "HUB_RST", "USB_PWR_EN",
396 "I2S_IN", "SLP_S1_N",
397 "TCK", "TMS", "TDI", "TDO",
398 "HDMI_CEC", "5640_IRQ",
399 "MUTE", "S805_TEST#";
400};
401
402&gpio {
403 gpio-line-names = /* Bank GPIOX */
404 "WIFI_SD_D0", "WIFI_SD_D1", "WIFI_SD_D2",
405 "WIFI_SD_D3", "BTPCM_DOUT", "BTPCM_DIN",
406 "BTPCM_SYNC", "BTPCM_CLK", "WIFI_SD_CLK",
407 "WIFI_SD_CMD", "WIFI_32K", "WIFI_PWREN",
408 "UART_B_TX", "UART_B_RX", "UART_B_CTS_N",
409 "UART_B_RTS_N", "BT_EN", "WIFI_WAKE_HOST",
410 /* Bank GPIOY */
411 "", "", "", "", "", "", "", "", "", "",
412 "", "",
413 /* Bank GPIODV */
414 "VCCK_PWM_C", "I2C_SDA_A", "I2C_SCL_A",
415 "I2C_SDA_B", "I2C_SCL_B", "VDDEE_PWM_D",
416 "VDDEE_PWM 3V3_5V_EN",
417 /* Bank GPIOH */
418 "HDMI_HPD", "HDMI_I2C_SDA", "HDMI_I2C_SCL",
419 "RMII_IRQ", "RMII_RST#", "RMII_TXD1",
420 "RMII_TXD0", "AV_select_1", "AV_select_2",
421 "MCU_Control_S",
422 /* Bank CARD */
423 "SD_D1_B", "SD_D0_B", "SD_CLK_8726MX",
424 "SD_CMD_8726MX", "SD_D3_B", "SD_D2_B",
425 "CARD_EN_DET (CARD_DET)",
426 /* Bank BOOT */
427 "NAND_D0 (EMMC)", "NAND_D1 (EMMC)",
428 "NAND_D2 (EMMC)", "NAND_D3 (EMMC)",
429 "NAND_D4 (EMMC)", "NAND_D5 (EMMC)",
430 "NAND_D6 (EMMC)", "NAND_D7 (EMMC)",
431 "NAND_CS1 (EMMC)", "NAND_CS2 iNAND_RS1 (EMMC)",
432 "NAND_nR/B iNAND_CMD (EMMC)", "NAND_ALE (EMMC)",
433 "NAND_CLE (EMMC)", "nRE_S1 NAND_nRE (EMMC)",
434 "nWE_S1 NAND_nWE (EMMC)", "", "", "", "SPI_CS",
435 /* Bank DIF */
436 "RMII_RXD1", "RMII_RXD0", "RMII_CRS_DV",
437 "RMII_50M_IN", "GPIODIF_4", "GPIODIF_5",
438 "RMII_TXEN", "CPUETH_25MOUT", "RMII_MDC",
439 "RMII_MDIO";
440};
441
442&pwm_cd {
443 status = "okay";
444 pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>;
445 pinctrl-names = "default";
446 clocks = <&xtal>, <&xtal>;
447 clock-names = "clkin0", "clkin1";
448};
449
450&rtc {
451 status = "okay";
452 clocks = <&rtc32k_xtal>;
453 vdd-supply = <&vcc_rtc>;
454};
455
456/* exposed through the pin headers labeled "URDUG1" on the top of the PCB */
457&uart_AO {
458 status = "okay";
459 pinctrl-0 = <&uart_ao_a_pins>;
460 pinctrl-names = "default";
461};
462
463/*
464 * connected to the Bluetooth part of the RTL8723BS SDIO wifi / Bluetooth
465 * combo chip. This is only available on the variant with 2GB RAM.
466 */
467&uart_B {
468 status = "okay";
469 pinctrl-0 = <&uart_b0_pins>, <&uart_b0_cts_rts_pins>;
470 pinctrl-names = "default";
471 uart-has-rtscts;
472};
473
474&usb1 {
475 status = "okay";
476 vbus-supply = <&usb_vbus>;
477};
478
479&usb1_phy {
480 status = "okay";
481};