Merge tag 'powerpc-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...
[linux-2.6-microblaze.git] / arch / arm / boot / dts / meson8b-ec100.dts
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                 #address-cells = <1>;
38                 #size-cells = <0>;
39                 poll-interval = <100>;
40
41                 pal-switch {
42                         label = "pal";
43                         linux,input-type = <EV_SW>;
44                         linux,code = <KEY_SWITCHVIDEOMODE>;
45                         gpios = <&gpio GPIOH_7 GPIO_ACTIVE_LOW>;
46                 };
47
48                 ntsc-switch {
49                         label = "ntsc";
50                         linux,input-type = <EV_SW>;
51                         linux,code = <KEY_SWITCHVIDEOMODE>;
52                         gpios = <&gpio GPIOH_8 GPIO_ACTIVE_HIGH>;
53                 };
54
55                 power-button {
56                         label = "power";
57                         linux,code = <KEY_POWER>;
58                         gpios = <&gpio GPIOH_9 GPIO_ACTIVE_LOW>;
59                 };
60         };
61
62         gpio-poweroff {
63                 compatible = "gpio-poweroff";
64                 /*
65                  * shutdown is managed by the EC (embedded micro-controller)
66                  * which is configured through GPIOAO_2 (poweroff GPIO) and
67                  * GPIOAO_7 (power LED, which has to go LOW as well).
68                  */
69                 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
70                 timeout-ms = <20000>;
71         };
72
73         leds {
74                 compatible = "gpio-leds";
75
76                 power {
77                         label = "ec100:red:power";
78                         /*
79                          * Needs to go LOW (together with the poweroff GPIO)
80                          * during shutdown to allow the EC (embedded
81                          * micro-controller) to shutdown the system. Setting
82                          * the output to LOW signals the EC to start a
83                          * "breathing"/pulsing effect until the power is fully
84                          * turned off.
85                          */
86                         gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_HIGH>;
87                         default-state = "on";
88                 };
89         };
90
91         rtc32k_xtal: rtc32k-xtal-clk {
92                 /* X2 in the schematics */
93                 compatible = "fixed-clock";
94                 clock-frequency = <32768>;
95                 clock-output-names = "RTC32K";
96                 #clock-cells = <0>;
97         };
98
99         sound {
100                 compatible = "amlogic,gx-sound-card";
101                 model = "M8B-EC100";
102
103                 assigned-clocks = <&clkc CLKID_MPLL0>,
104                                   <&clkc CLKID_MPLL1>,
105                                   <&clkc CLKID_MPLL2>;
106                 assigned-clock-rates = <270950400>,
107                                        <294912000>,
108                                        <393216000>;
109
110                 dai-link-0 {
111                         sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
112                 };
113
114                 dai-link-1 {
115                         sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
116                         dai-format = "i2s";
117                         mclk-fs = <256>;
118
119                         codec-0 {
120                                 sound-dai = <&rt5640>;
121                         };
122                 };
123         };
124
125         usb_vbus: regulator-usb-vbus {
126                 /*
127                  * Silergy SY6288CCAC-GP 2A Power Distribution Switch.
128                  */
129                 compatible = "regulator-fixed";
130
131                 regulator-name = "USB_VBUS";
132
133                 regulator-min-microvolt = <5000000>;
134                 regulator-max-microvolt = <5000000>;
135
136                 vin-supply = <&vcc_5v>;
137
138                 /*
139                  * signal name from the schematics: USB_PWR_EN
140                  */
141                 gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
142                 enable-active-high;
143         };
144
145         vcc_5v: regulator-vcc5v {
146                 /*
147                  * supplied by the main power input which called PWR_5V_STB
148                  * in the schematics
149                  */
150                 compatible = "regulator-fixed";
151
152                 regulator-name = "VCC5V";
153
154                 regulator-min-microvolt = <5000000>;
155                 regulator-max-microvolt = <5000000>;
156
157                 /*
158                  * signal name from the schematics: 3V3_5V_EN
159                  */
160                 gpio = <&gpio GPIODV_29 GPIO_ACTIVE_LOW>;
161
162                 regulator-boot-on;
163                 regulator-always-on;
164         };
165
166         vcck: regulator-vcck {
167                 /*
168                  * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
169                  * Synchronous Step Down Regulator.
170                  */
171                 compatible = "pwm-regulator";
172
173                 regulator-name = "VCCK";
174                 regulator-min-microvolt = <860000>;
175                 regulator-max-microvolt = <1140000>;
176
177                 pwm-supply = <&vcc_5v>;
178
179                 pwms = <&pwm_cd 0 1148 0>;
180                 pwm-dutycycle-range = <100 0>;
181
182                 regulator-boot-on;
183                 regulator-always-on;
184         };
185
186         vcc_1v8: regulator-vcc1v8 {
187                 /*
188                  * ABLIC S-1339D18-M5001-GP
189                  */
190                 compatible = "regulator-fixed";
191
192                 regulator-name = "VCC1V8";
193                 regulator-min-microvolt = <1800000>;
194                 regulator-max-microvolt = <1800000>;
195
196                 vin-supply = <&vcc_3v3>;
197         };
198
199         vcc_3v3: regulator-vcc3v3 {
200                 /*
201                  * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
202                  * Synchronous Step Down Regulator. Also called
203                  * VDDIO_AO3.3V in the schematics.
204                  */
205                 compatible = "regulator-fixed";
206
207                 regulator-name = "VCC3V3";
208                 regulator-min-microvolt = <3300000>;
209                 regulator-max-microvolt = <3300000>;
210
211                 vin-supply = <&vcc_5v>;
212         };
213
214         vcc_ddr3: regulator-vcc-ddr3 {
215                 /*
216                  * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
217                  * Synchronous Step Down Regulator. Also called
218                  * DDR3_1.5V in the schematics.
219                  */
220                 compatible = "regulator-fixed";
221
222                 regulator-name = "VCC_DDR3_1V5";
223                 regulator-min-microvolt = <1500000>;
224                 regulator-max-microvolt = <1500000>;
225
226                 vin-supply = <&vcc_5v>;
227
228                 regulator-boot-on;
229                 regulator-always-on;
230         };
231
232         vcc_rtc: regulator-vcc-rtc {
233                 /*
234                  * Global Mixed-mode Technology Inc. G918T12U-GP
235                  */
236                 compatible = "regulator-fixed";
237
238                 regulator-name = "VCC_RTC";
239                 regulator-min-microvolt = <900000>;
240                 regulator-max-microvolt = <900000>;
241
242                 /*
243                  * When the board is powered then the input is VCC3V3,
244                  * otherwise power is taken from the coin cell battery.
245                  */
246                 vin-supply = <&vcc_3v3>;
247         };
248
249         vddee: regulator-vddee {
250                 /*
251                  * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
252                  * Synchronous Step Down Regulator. Also called VDDAO
253                  * in a part of the schematics.
254                  */
255                 compatible = "pwm-regulator";
256
257                 regulator-name = "VDDEE";
258                 regulator-min-microvolt = <860000>;
259                 regulator-max-microvolt = <1140000>;
260
261                 pwm-supply = <&vcc_5v>;
262
263                 pwms = <&pwm_cd 1 1148 0>;
264                 pwm-dutycycle-range = <100 0>;
265
266                 regulator-boot-on;
267                 regulator-always-on;
268         };
269 };
270
271 &aiu {
272         status = "okay";
273
274         pinctrl-0 = <&i2s_am_clk_pins>, <&i2s_out_ao_clk_pins>,
275                     <&i2s_out_lr_clk_pins>, <&i2s_out_ch01_ao_pins>;
276         pinctrl-names = "default";
277 };
278
279 &cpu0 {
280         cpu-supply = <&vcck>;
281 };
282
283 &ethmac {
284         status = "okay";
285
286         pinctrl-0 = <&eth_rmii_pins>;
287         pinctrl-names = "default";
288
289         phy-handle = <&eth_phy0>;
290         phy-mode = "rmii";
291
292         mdio {
293                 compatible = "snps,dwmac-mdio";
294                 #address-cells = <1>;
295                 #size-cells = <0>;
296
297                 eth_phy0: ethernet-phy@0 {
298                         /* IC Plus IP101A/G (0x02430c54) */
299                         reg = <0>;
300
301                         reset-assert-us = <10000>;
302                         reset-deassert-us = <10000>;
303                         reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
304
305                         icplus,select-interrupt;
306                         interrupt-parent = <&gpio_intc>;
307                         /* GPIOH_3 */
308                         interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
309                 };
310         };
311 };
312
313 &i2c_A {
314         status = "okay";
315         pinctrl-0 = <&i2c_a_pins>;
316         pinctrl-names = "default";
317
318         rt5640: codec@1c {
319                 compatible = "realtek,rt5640";
320
321                 reg = <0x1c>;
322
323                 #sound-dai-cells = <0>;
324
325                 interrupt-parent = <&gpio_intc>;
326                 interrupts = <13 IRQ_TYPE_EDGE_BOTH>; /* GPIOAO_13 */
327
328                 /*
329                  * TODO: realtek,ldo1-en-gpios is connected to GPIO_BSD_EN.
330                  * We currently cannot configure this pin correctly.
331                  * Luckily for us it's in the "right" state by default.
332                  */
333                 realtek,in1-differential;
334         };
335 };
336
337 &mali {
338         mali-supply = <&vddee>;
339 };
340
341 &saradc {
342         status = "okay";
343         vref-supply = <&vcc_1v8>;
344 };
345
346 &sdhc {
347         status = "okay";
348
349         pinctrl-0 = <&sdxc_c_pins>;
350         pinctrl-names = "default";
351
352         bus-width = <8>;
353         max-frequency = <50000000>;
354
355         cap-mmc-highspeed;
356         disable-wp;
357         non-removable;
358         no-sdio;
359
360         mmc-pwrseq = <&emmc_pwrseq>;
361
362         vmmc-supply = <&vcc_3v3>;
363         vqmmc-supply = <&vcc_3v3>;
364 };
365
366 &sdio {
367         status = "okay";
368
369         pinctrl-0 = <&sd_b_pins>;
370         pinctrl-names = "default";
371
372         /* SD card */
373         sd_card_slot: slot@1 {
374                 compatible = "mmc-slot";
375                 reg = <1>;
376                 status = "okay";
377
378                 bus-width = <4>;
379                 no-sdio;
380                 cap-mmc-highspeed;
381                 cap-sd-highspeed;
382                 disable-wp;
383
384                 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
385
386                 vmmc-supply = <&vcc_3v3>;
387         };
388 };
389
390 &gpio_ao {
391         gpio-line-names = "Linux_TX", "Linux_RX",
392                           "SLP_S5_N", "USB2_OC_FLAG#",
393                           "HUB_RST", "USB_PWR_EN",
394                           "I2S_IN", "SLP_S1_N",
395                           "TCK", "TMS", "TDI", "TDO",
396                           "HDMI_CEC", "5640_IRQ",
397                           "MUTE", "S805_TEST#";
398 };
399
400 &gpio {
401         gpio-line-names = /* Bank GPIOX */
402                           "WIFI_SD_D0", "WIFI_SD_D1", "WIFI_SD_D2",
403                           "WIFI_SD_D3", "BTPCM_DOUT", "BTPCM_DIN",
404                           "BTPCM_SYNC", "BTPCM_CLK", "WIFI_SD_CLK",
405                           "WIFI_SD_CMD", "WIFI_32K", "WIFI_PWREN",
406                           "UART_B_TX", "UART_B_RX", "UART_B_CTS_N",
407                           "UART_B_RTS_N", "BT_EN", "WIFI_WAKE_HOST",
408                           /* Bank GPIOY */
409                           "", "", "", "", "", "", "", "", "", "",
410                           "", "",
411                           /* Bank GPIODV */
412                           "VCCK_PWM_C", "I2C_SDA_A", "I2C_SCL_A",
413                           "I2C_SDA_B", "I2C_SCL_B", "VDDEE_PWM_D",
414                           "VDDEE_PWM 3V3_5V_EN",
415                           /* Bank GPIOH */
416                           "HDMI_HPD", "HDMI_I2C_SDA", "HDMI_I2C_SCL",
417                           "RMII_IRQ", "RMII_RST#", "RMII_TXD1",
418                           "RMII_TXD0", "AV_select_1", "AV_select_2",
419                           "MCU_Control_S",
420                           /* Bank CARD */
421                           "SD_D1_B", "SD_D0_B", "SD_CLK_8726MX",
422                           "SD_CMD_8726MX", "SD_D3_B", "SD_D2_B",
423                           "CARD_EN_DET (CARD_DET)",
424                           /* Bank BOOT */
425                           "NAND_D0 (EMMC)", "NAND_D1 (EMMC)",
426                           "NAND_D2 (EMMC)", "NAND_D3 (EMMC)",
427                           "NAND_D4 (EMMC)", "NAND_D5 (EMMC)",
428                           "NAND_D6 (EMMC)", "NAND_D7 (EMMC)",
429                           "NAND_CS1 (EMMC)", "NAND_CS2 iNAND_RS1 (EMMC)",
430                           "NAND_nR/B iNAND_CMD (EMMC)", "NAND_ALE (EMMC)",
431                           "NAND_CLE (EMMC)", "nRE_S1 NAND_nRE (EMMC)",
432                           "nWE_S1 NAND_nWE (EMMC)",  "", "", "SPI_CS",
433                           /* Bank DIF */
434                           "RMII_RXD1", "RMII_RXD0", "RMII_CRS_DV",
435                           "RMII_50M_IN", "GPIODIF_4", "GPIODIF_5",
436                           "RMII_TXEN", "CPUETH_25MOUT", "RMII_MDC",
437                           "RMII_MDIO";
438 };
439
440 &pwm_cd {
441         status = "okay";
442         pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>;
443         pinctrl-names = "default";
444         clocks = <&xtal>, <&xtal>;
445         clock-names = "clkin0", "clkin1";
446 };
447
448 &rtc {
449         status = "okay";
450         clocks = <&rtc32k_xtal>;
451         vdd-supply = <&vcc_rtc>;
452 };
453
454 /* exposed through the pin headers labeled "URDUG1" on the top of the PCB */
455 &uart_AO {
456         status = "okay";
457         pinctrl-0 = <&uart_ao_a_pins>;
458         pinctrl-names = "default";
459 };
460
461 /*
462  * connected to the Bluetooth part of the RTL8723BS SDIO wifi / Bluetooth
463  * combo chip. This is only available on the variant with 2GB RAM.
464  */
465 &uart_B {
466         status = "okay";
467         pinctrl-0 = <&uart_b0_pins>, <&uart_b0_cts_rts_pins>;
468         pinctrl-names = "default";
469         uart-has-rtscts;
470 };
471
472 &usb1 {
473         status = "okay";
474         vbus-supply = <&usb_vbus>;
475 };
476
477 &usb1_phy {
478         status = "okay";
479 };