1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Copyright (c) 2018 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/input/input.h>
11 #include "meson8b.dtsi"
14 model = "Endless Computers Endless Mini";
15 compatible = "endless,ec100", "amlogic,meson8b";
22 stdout-path = "serial0:115200n8";
26 device_type = "memory";
27 reg = <0x40000000 0x40000000>;
30 emmc_pwrseq: emmc-pwrseq {
31 compatible = "mmc-pwrseq-emmc";
32 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
36 compatible = "gpio-keys-polled";
39 poll-interval = <100>;
43 linux,input-type = <EV_SW>;
44 linux,code = <KEY_SWITCHVIDEOMODE>;
45 gpios = <&gpio GPIOH_7 GPIO_ACTIVE_LOW>;
50 linux,input-type = <EV_SW>;
51 linux,code = <KEY_SWITCHVIDEOMODE>;
52 gpios = <&gpio GPIOH_8 GPIO_ACTIVE_HIGH>;
57 linux,code = <KEY_POWER>;
58 gpios = <&gpio GPIOH_9 GPIO_ACTIVE_LOW>;
63 compatible = "gpio-poweroff";
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).
69 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
74 compatible = "gpio-leds";
77 label = "ec100:red:power";
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
86 gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_HIGH>;
91 rtc32k_xtal: rtc32k-xtal-clk {
92 /* X2 in the schematics */
93 compatible = "fixed-clock";
94 clock-frequency = <32768>;
95 clock-output-names = "RTC32K";
100 compatible = "amlogic,gx-sound-card";
103 assigned-clocks = <&clkc CLKID_MPLL0>,
106 assigned-clock-rates = <270950400>,
111 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
115 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
120 sound-dai = <&rt5640>;
125 usb_vbus: regulator-usb-vbus {
127 * Silergy SY6288CCAC-GP 2A Power Distribution Switch.
129 compatible = "regulator-fixed";
131 regulator-name = "USB_VBUS";
133 regulator-min-microvolt = <5000000>;
134 regulator-max-microvolt = <5000000>;
136 vin-supply = <&vcc_5v>;
139 * signal name from the schematics: USB_PWR_EN
141 gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
145 vcc_5v: regulator-vcc5v {
147 * supplied by the main power input which called PWR_5V_STB
150 compatible = "regulator-fixed";
152 regulator-name = "VCC5V";
154 regulator-min-microvolt = <5000000>;
155 regulator-max-microvolt = <5000000>;
158 * signal name from the schematics: 3V3_5V_EN
160 gpio = <&gpio GPIODV_29 GPIO_ACTIVE_LOW>;
166 vcck: regulator-vcck {
168 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
169 * Synchronous Step Down Regulator.
171 compatible = "pwm-regulator";
173 regulator-name = "VCCK";
174 regulator-min-microvolt = <860000>;
175 regulator-max-microvolt = <1140000>;
177 pwm-supply = <&vcc_5v>;
179 pwms = <&pwm_cd 0 1148 0>;
180 pwm-dutycycle-range = <100 0>;
186 vcc_1v8: regulator-vcc1v8 {
188 * ABLIC S-1339D18-M5001-GP
190 compatible = "regulator-fixed";
192 regulator-name = "VCC1V8";
193 regulator-min-microvolt = <1800000>;
194 regulator-max-microvolt = <1800000>;
196 vin-supply = <&vcc_3v3>;
199 vcc_3v3: regulator-vcc3v3 {
201 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
202 * Synchronous Step Down Regulator. Also called
203 * VDDIO_AO3.3V in the schematics.
205 compatible = "regulator-fixed";
207 regulator-name = "VCC3V3";
208 regulator-min-microvolt = <3300000>;
209 regulator-max-microvolt = <3300000>;
211 vin-supply = <&vcc_5v>;
214 vcc_ddr3: regulator-vcc-ddr3 {
216 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
217 * Synchronous Step Down Regulator. Also called
218 * DDR3_1.5V in the schematics.
220 compatible = "regulator-fixed";
222 regulator-name = "VCC_DDR3_1V5";
223 regulator-min-microvolt = <1500000>;
224 regulator-max-microvolt = <1500000>;
226 vin-supply = <&vcc_5v>;
232 vcc_rtc: regulator-vcc-rtc {
234 * Global Mixed-mode Technology Inc. G918T12U-GP
236 compatible = "regulator-fixed";
238 regulator-name = "VCC_RTC";
239 regulator-min-microvolt = <900000>;
240 regulator-max-microvolt = <900000>;
243 * When the board is powered then the input is VCC3V3,
244 * otherwise power is taken from the coin cell battery.
246 vin-supply = <&vcc_3v3>;
249 vddee: regulator-vddee {
251 * Silergy SY8089AAC-GP 2A continuous, 3A peak, 1MHz
252 * Synchronous Step Down Regulator. Also called VDDAO
253 * in a part of the schematics.
255 compatible = "pwm-regulator";
257 regulator-name = "VDDEE";
258 regulator-min-microvolt = <860000>;
259 regulator-max-microvolt = <1140000>;
261 pwm-supply = <&vcc_5v>;
263 pwms = <&pwm_cd 1 1148 0>;
264 pwm-dutycycle-range = <100 0>;
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";
280 cpu-supply = <&vcck>;
286 pinctrl-0 = <ð_rmii_pins>;
287 pinctrl-names = "default";
289 phy-handle = <ð_phy0>;
293 compatible = "snps,dwmac-mdio";
294 #address-cells = <1>;
297 eth_phy0: ethernet-phy@0 {
298 /* IC Plus IP101A/G (0x02430c54) */
301 reset-assert-us = <10000>;
302 reset-deassert-us = <10000>;
303 reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
305 icplus,select-interrupt;
306 interrupt-parent = <&gpio_intc>;
308 interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
315 pinctrl-0 = <&i2c_a_pins>;
316 pinctrl-names = "default";
319 compatible = "realtek,rt5640";
323 #sound-dai-cells = <0>;
325 interrupt-parent = <&gpio_intc>;
326 interrupts = <13 IRQ_TYPE_EDGE_BOTH>; /* GPIOAO_13 */
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.
333 realtek,in1-differential;
338 mali-supply = <&vddee>;
343 vref-supply = <&vcc_1v8>;
349 pinctrl-0 = <&sdxc_c_pins>;
350 pinctrl-names = "default";
353 max-frequency = <50000000>;
360 mmc-pwrseq = <&emmc_pwrseq>;
362 vmmc-supply = <&vcc_3v3>;
363 vqmmc-supply = <&vcc_3v3>;
369 pinctrl-0 = <&sd_b_pins>;
370 pinctrl-names = "default";
373 sd_card_slot: slot@1 {
374 compatible = "mmc-slot";
384 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
386 vmmc-supply = <&vcc_3v3>;
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#";
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",
409 "", "", "", "", "", "", "", "", "", "",
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",
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",
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)",
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",
434 "RMII_RXD1", "RMII_RXD0", "RMII_CRS_DV",
435 "RMII_50M_IN", "GPIODIF_4", "GPIODIF_5",
436 "RMII_TXEN", "CPUETH_25MOUT", "RMII_MDC",
442 pinctrl-0 = <&pwm_c1_pins>, <&pwm_d_pins>;
443 pinctrl-names = "default";
444 clocks = <&xtal>, <&xtal>;
445 clock-names = "clkin0", "clkin1";
450 clocks = <&rtc32k_xtal>;
451 vdd-supply = <&vcc_rtc>;
454 /* exposed through the pin headers labeled "URDUG1" on the top of the PCB */
457 pinctrl-0 = <&uart_ao_a_pins>;
458 pinctrl-names = "default";
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.
467 pinctrl-0 = <&uart_b0_pins>, <&uart_b0_cts_rts_pins>;
468 pinctrl-names = "default";
474 vbus-supply = <&usb_vbus>;