xref: /linux/arch/arm/boot/dts/amlogic/meson8b-ec100.dts (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0) 
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 {
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		assigned-clocks = <&clkc CLKID_MPLL0>,
102				  <&clkc CLKID_MPLL1>,
103				  <&clkc CLKID_MPLL2>;
104		assigned-clock-rates = <270950400>,
105				       <294912000>,
106				       <393216000>;
107
108		dai-link-0 {
109			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
110		};
111
112		dai-link-1 {
113			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
114			dai-format = "i2s";
115			mclk-fs = <256>;
116
117			codec-0 {
118				sound-dai = <&rt5640>;
119			};
120		};
121	};
122
123	usb_vbus: regulator-usb-vbus {
124		/*
125		 * Silergy SY6288CCAC-GP 2A Power Distribution Switch.
126		 */
127		compatible = "regulator-fixed";
128
129		regulator-name = "USB_VBUS";
130
131		regulator-min-microvolt = <5000000>;
132		regulator-max-microvolt = <5000000>;
133
134		vin-supply = <&vcc_5v>;
135
136		/*
137		 * signal name from the schematics: USB_PWR_EN
138		 */
139		gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
140		enable-active-high;
141	};
142
143	vcc_5v: regulator-vcc5v {
144		/*
145		 * supplied by the main power input which called PWR_5V_STB
146		 * in the schematics
147		 */
148		compatible = "regulator-fixed";
149
150		regulator-name = "VCC5V";
151
152		regulator-min-microvolt = <5000000>;
153		regulator-max-microvolt = <5000000>;
154
155		/*
156		 * signal name from the schematics: 3V3_5V_EN
157		 */
158		gpio = <&gpio GPIODV_29 GPIO_ACTIVE_LOW>;
159
160		regulator-boot-on;
161		regulator-always-on;
162	};
163
164	vcck: regulator-vcck {
165		/*
166		 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
167		 * Synchronous Step Down Regulator.
168		 */
169		compatible = "pwm-regulator";
170
171		regulator-name = "VCCK";
172		regulator-min-microvolt = <860000>;
173		regulator-max-microvolt = <1140000>;
174
175		pwm-supply = <&vcc_5v>;
176
177		pwms = <&pwm_cd 0 1148 0>;
178		pwm-dutycycle-range = <100 0>;
179
180		regulator-boot-on;
181		regulator-always-on;
182	};
183
184	vcc_1v8: regulator-vcc1v8 {
185		/*
186		 * ABLIC S-1339D18-M5001-GP
187		 */
188		compatible = "regulator-fixed";
189
190		regulator-name = "VCC1V8";
191		regulator-min-microvolt = <1800000>;
192		regulator-max-microvolt = <1800000>;
193
194		vin-supply = <&vcc_3v3>;
195	};
196
197	vcc_3v3: regulator-vcc3v3 {
198		/*
199		 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
200		 * Synchronous Step Down Regulator. Also called
201		 * VDDIO_AO3.3V in the schematics.
202		 */
203		compatible = "regulator-fixed";
204
205		regulator-name = "VCC3V3";
206		regulator-min-microvolt = <3300000>;
207		regulator-max-microvolt = <3300000>;
208
209		vin-supply = <&vcc_5v>;
210	};
211
212	vcc_ddr3: regulator-vcc-ddr3 {
213		/*
214		 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
215		 * Synchronous Step Down Regulator. Also called
216		 * DDR3_1.5V in the schematics.
217		 */
218		compatible = "regulator-fixed";
219
220		regulator-name = "VCC_DDR3_1V5";
221		regulator-min-microvolt = <1500000>;
222		regulator-max-microvolt = <1500000>;
223
224		vin-supply = <&vcc_5v>;
225
226		regulator-boot-on;
227		regulator-always-on;
228	};
229
230	vcc_rtc: regulator-vcc-rtc {
231		/*
232		 * Global Mixed-mode Technology Inc. G918T12U-GP
233		 */
234		compatible = "regulator-fixed";
235
236		regulator-name = "VCC_RTC";
237		regulator-min-microvolt = <900000>;
238		regulator-max-microvolt = <900000>;
239
240		/*
241		 * When the board is powered then the input is VCC3V3,
242		 * otherwise power is taken from the coin cell battery.
243		 */
244		vin-supply = <&vcc_3v3>;
245	};
246
247	vddee: regulator-vddee {
248		/*
249		 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
250		 * Synchronous Step Down Regulator. Also called VDDAO
251		 * in a part of the schematics.
252		 */
253		compatible = "pwm-regulator";
254
255		regulator-name = "VDDEE";
256		regulator-min-microvolt = <860000>;
257		regulator-max-microvolt = <1140000>;
258
259		pwm-supply = <&vcc_5v>;
260
261		pwms = <&pwm_cd 1 1148 0>;
262		pwm-dutycycle-range = <100 0>;
263
264		regulator-boot-on;
265		regulator-always-on;
266	};
267};
268
269&aiu {
270	status = "okay";
271
272	pinctrl-0 = <&i2s_am_clk_pins>, <&i2s_out_ao_clk_pins>,
273		    <&i2s_out_lr_clk_pins>, <&i2s_out_ch01_ao_pins>;
274	pinctrl-names = "default";
275};
276
277&cpu0 {
278	cpu-supply = <&vcck>;
279};
280
281&ethmac {
282	status = "okay";
283
284	pinctrl-0 = <&eth_rmii_pins>;
285	pinctrl-names = "default";
286
287	phy-handle = <&eth_phy0>;
288	phy-mode = "rmii";
289
290	mdio {
291		compatible = "snps,dwmac-mdio";
292		#address-cells = <1>;
293		#size-cells = <0>;
294
295		eth_phy0: ethernet-phy@0 {
296			/* IC Plus IP101A/G (0x02430c54) */
297			reg = <0>;
298
299			reset-assert-us = <10000>;
300			reset-deassert-us = <10000>;
301			reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
302
303			icplus,select-interrupt;
304			interrupt-parent = <&gpio_intc>;
305			/* GPIOH_3 */
306			interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
307		};
308	};
309};
310
311&i2c_A {
312	status = "okay";
313	pinctrl-0 = <&i2c_a_pins>;
314	pinctrl-names = "default";
315
316	rt5640: codec@1c {
317		compatible = "realtek,rt5640";
318
319		reg = <0x1c>;
320
321		#sound-dai-cells = <0>;
322
323		interrupt-parent = <&gpio_intc>;
324		interrupts = <13 IRQ_TYPE_EDGE_BOTH>; /* GPIOAO_13 */
325
326		/*
327		 * TODO: realtek,ldo1-en-gpios is connected to GPIO_BSD_EN.
328		 * We currently cannot configure this pin correctly.
329		 * Luckily for us it's in the "right" state by default.
330		 */
331		realtek,in1-differential;
332	};
333};
334
335&mali {
336	mali-supply = <&vddee>;
337};
338
339&saradc {
340	status = "okay";
341	vref-supply = <&vcc_1v8>;
342};
343
344&sdhc {
345	status = "okay";
346
347	pinctrl-0 = <&sdxc_c_pins>;
348	pinctrl-names = "default";
349
350	bus-width = <8>;
351	max-frequency = <50000000>;
352
353	cap-mmc-highspeed;
354	disable-wp;
355	non-removable;
356	no-sdio;
357
358	mmc-pwrseq = <&emmc_pwrseq>;
359
360	vmmc-supply = <&vcc_3v3>;
361	vqmmc-supply = <&vcc_3v3>;
362};
363
364&sdio {
365	status = "okay";
366
367	pinctrl-0 = <&sd_b_pins>;
368	pinctrl-names = "default";
369
370	/* SD card */
371	sd_card_slot: slot@1 {
372		compatible = "mmc-slot";
373		reg = <1>;
374		status = "okay";
375
376		bus-width = <4>;
377		no-sdio;
378		cap-mmc-highspeed;
379		cap-sd-highspeed;
380		disable-wp;
381
382		cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
383
384		vmmc-supply = <&vcc_3v3>;
385	};
386};
387
388&gpio_ao {
389	gpio-line-names = "Linux_TX", "Linux_RX",
390			  "SLP_S5_N", "USB2_OC_FLAG#",
391			  "HUB_RST", "USB_PWR_EN",
392			  "I2S_IN", "SLP_S1_N",
393			  "TCK", "TMS", "TDI", "TDO",
394			  "HDMI_CEC", "5640_IRQ",
395			  "MUTE", "S805_TEST#";
396};
397
398&gpio {
399	gpio-line-names = /* Bank GPIOX */
400			  "WIFI_SD_D0", "WIFI_SD_D1", "WIFI_SD_D2",
401			  "WIFI_SD_D3", "BTPCM_DOUT", "BTPCM_DIN",
402			  "BTPCM_SYNC", "BTPCM_CLK", "WIFI_SD_CLK",
403			  "WIFI_SD_CMD", "WIFI_32K", "WIFI_PWREN",
404			  "UART_B_TX", "UART_B_RX", "UART_B_CTS_N",
405			  "UART_B_RTS_N", "BT_EN", "WIFI_WAKE_HOST",
406			  /* Bank GPIOY */
407			  "", "", "", "", "", "", "", "", "", "",
408			  "", "",
409			  /* Bank GPIODV */
410			  "VCCK_PWM_C", "I2C_SDA_A", "I2C_SCL_A",
411			  "I2C_SDA_B", "I2C_SCL_B", "VDDEE_PWM_D",
412			  "VDDEE_PWM 3V3_5V_EN",
413			  /* Bank GPIOH */
414			  "HDMI_HPD", "HDMI_I2C_SDA", "HDMI_I2C_SCL",
415			  "RMII_IRQ", "RMII_RST#", "RMII_TXD1",
416			  "RMII_TXD0", "AV_select_1", "AV_select_2",
417			  "MCU_Control_S",
418			  /* Bank CARD */
419			  "SD_D1_B", "SD_D0_B", "SD_CLK_8726MX",
420			  "SD_CMD_8726MX", "SD_D3_B", "SD_D2_B",
421			  "CARD_EN_DET (CARD_DET)",
422			  /* Bank BOOT */
423			  "NAND_D0 (EMMC)", "NAND_D1 (EMMC)",
424			  "NAND_D2 (EMMC)", "NAND_D3 (EMMC)",
425			  "NAND_D4 (EMMC)", "NAND_D5 (EMMC)",
426			  "NAND_D6 (EMMC)", "NAND_D7 (EMMC)",
427			  "NAND_CS1 (EMMC)", "NAND_CS2 iNAND_RS1 (EMMC)",
428			  "NAND_nR/B iNAND_CMD (EMMC)", "NAND_ALE (EMMC)",
429			  "NAND_CLE (EMMC)", "nRE_S1 NAND_nRE (EMMC)",
430			  "nWE_S1 NAND_nWE (EMMC)",  "", "", "SPI_CS",
431			  /* Bank DIF */
432			  "RMII_RXD1", "RMII_RXD0", "RMII_CRS_DV",
433			  "RMII_50M_IN", "GPIODIF_4", "GPIODIF_5",
434			  "RMII_TXEN", "CPUETH_25MOUT", "RMII_MDC",
435			  "RMII_MDIO";
436};
437
438&pwm_cd {
439	status = "okay";
440	pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>;
441	pinctrl-names = "default";
442	clocks = <&xtal>, <&xtal>;
443	clock-names = "clkin0", "clkin1";
444};
445
446&rtc {
447	status = "okay";
448	clocks = <&rtc32k_xtal>;
449	vdd-supply = <&vcc_rtc>;
450};
451
452/* exposed through the pin headers labeled "URDUG1" on the top of the PCB */
453&uart_AO {
454	status = "okay";
455	pinctrl-0 = <&uart_ao_a_pins>;
456	pinctrl-names = "default";
457};
458
459/*
460 * connected to the Bluetooth part of the RTL8723BS SDIO wifi / Bluetooth
461 * combo chip. This is only available on the variant with 2GB RAM.
462 */
463&uart_B {
464	status = "okay";
465	pinctrl-0 = <&uart_b0_pins>, <&uart_b0_cts_rts_pins>;
466	pinctrl-names = "default";
467	uart-has-rtscts;
468};
469
470&usb1 {
471	status = "okay";
472	vbus-supply = <&usb_vbus>;
473};
474
475&usb1_phy {
476	status = "okay";
477};
478