1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2021 BayLibre SAS
4 * Author: Neil Armstrong <narmstrong@baylibre.com>
5 */
6
7 #include "meson-sm1.dtsi"
8 #include <dt-bindings/leds/common.h>
9 #include <dt-bindings/input/linux-event-codes.h>
10 #include <dt-bindings/gpio/meson-g12a-gpio.h>
11
12 / {
13 adc-keys {
14 compatible = "adc-keys";
15 io-channels = <&saradc 2>;
16 io-channel-names = "buttons";
17 keyup-threshold-microvolt = <1800000>;
18
19 button-sw3 {
20 label = "SW3";
21 linux,code = <BTN_3>;
22 press-threshold-microvolt = <1700000>;
23 };
24 };
25
26 aliases {
27 serial0 = &uart_AO;
28 ethernet0 = ðmac;
29 };
30
31 chosen {
32 stdout-path = "serial0:115200n8";
33 };
34
35 emmc_pwrseq: emmc-pwrseq {
36 compatible = "mmc-pwrseq-emmc";
37 reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
38 };
39
40 gpio-keys {
41 compatible = "gpio-keys";
42
43 key {
44 label = "SW1";
45 linux,code = <BTN_1>;
46 gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_LOW>;
47 interrupt-parent = <&gpio_intc>;
48 interrupts = <IRQID_GPIOAO_3 IRQ_TYPE_EDGE_BOTH>;
49 };
50 };
51
52 hdmi-connector {
53 compatible = "hdmi-connector";
54 type = "a";
55
56 port {
57 hdmi_connector_in: endpoint {
58 remote-endpoint = <&hdmi_tx_tmds_out>;
59 };
60 };
61 };
62
63 leds {
64 compatible = "gpio-leds";
65
66 led-green {
67 color = <LED_COLOR_ID_GREEN>;
68 function = LED_FUNCTION_STATUS;
69 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
70 };
71
72 led-blue {
73 color = <LED_COLOR_ID_BLUE>;
74 function = LED_FUNCTION_STATUS;
75 gpios = <&gpio_ao GPIOAO_11 GPIO_ACTIVE_LOW>;
76 linux,default-trigger = "heartbeat";
77 };
78 };
79
80 memory@0 {
81 device_type = "memory";
82 reg = <0x0 0x0 0x0 0x40000000>;
83 };
84
85 emmc_1v8: regulator-emmc-1v8 {
86 compatible = "regulator-fixed";
87 regulator-name = "EMMC_1V8";
88 regulator-min-microvolt = <1800000>;
89 regulator-max-microvolt = <1800000>;
90 vin-supply = <&vddao_3v3>;
91 regulator-always-on;
92 };
93
94 dc_in: regulator-dc-in {
95 compatible = "regulator-fixed";
96 regulator-name = "DC_IN";
97 regulator-min-microvolt = <5000000>;
98 regulator-max-microvolt = <5000000>;
99 regulator-always-on;
100 };
101
102 vddio_c: regulator-vddio-c {
103 compatible = "regulator-gpio";
104 regulator-name = "VDDIO_C";
105 regulator-min-microvolt = <1800000>;
106 regulator-max-microvolt = <3300000>;
107
108 enable-gpios = <&gpio_ao GPIOE_2 GPIO_OPEN_DRAIN>;
109 enable-active-high;
110 regulator-always-on;
111
112 gpios = <&gpio_ao GPIOAO_6 GPIO_OPEN_DRAIN>;
113 gpios-states = <1>;
114
115 states = <1800000 0>,
116 <3300000 1>;
117 };
118
119 tflash_vdd: regulator-tflash-vdd {
120 compatible = "regulator-fixed";
121 regulator-name = "TFLASH_VDD";
122 regulator-min-microvolt = <3300000>;
123 regulator-max-microvolt = <3300000>;
124 vin-supply = <&dc_in>;
125 gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
126 enable-active-high;
127 regulator-always-on;
128 };
129
130 vddao_1v8: regulator-vddao-1v8 {
131 compatible = "regulator-fixed";
132 regulator-name = "VDDAO_1V8";
133 regulator-min-microvolt = <1800000>;
134 regulator-max-microvolt = <1800000>;
135 vin-supply = <&vddao_3v3>;
136 regulator-always-on;
137 };
138
139 vddao_3v3: regulator-vddao-3v3 {
140 compatible = "regulator-fixed";
141 regulator-name = "VDDAO_3V3";
142 regulator-min-microvolt = <3300000>;
143 regulator-max-microvolt = <3300000>;
144 vin-supply = <&dc_in>;
145 regulator-always-on;
146 };
147
148 vddcpu: regulator-vddcpu {
149 /*
150 * SY8120B1ABC DC/DC Regulator.
151 */
152 compatible = "pwm-regulator";
153
154 regulator-name = "VDDCPU";
155 regulator-min-microvolt = <690000>;
156 regulator-max-microvolt = <1050000>;
157
158 pwm-supply = <&dc_in>;
159
160 pwms = <&pwm_AO_cd 1 1250 0>;
161 pwm-dutycycle-range = <100 0>;
162
163 regulator-boot-on;
164 regulator-always-on;
165 };
166
167 /* USB Hub Power Enable */
168 vl_pwr_en: regulator-vl-pwr-en {
169 compatible = "regulator-fixed";
170 regulator-name = "VL_PWR_EN";
171 regulator-min-microvolt = <5000000>;
172 regulator-max-microvolt = <5000000>;
173 vin-supply = <&dc_in>;
174
175 gpio = <&gpio GPIOH_6 GPIO_ACTIVE_HIGH>;
176 enable-active-high;
177 };
178 };
179
180 &arb {
181 status = "okay";
182 };
183
184 &cpu0 {
185 cpu-supply = <&vddcpu>;
186 operating-points-v2 = <&cpu_opp_table>;
187 clocks = <&clkc CLKID_CPU_CLK>;
188 clock-latency = <50000>;
189 };
190
191 &cpu1 {
192 cpu-supply = <&vddcpu>;
193 operating-points-v2 = <&cpu_opp_table>;
194 clocks = <&clkc CLKID_CPU1_CLK>;
195 clock-latency = <50000>;
196 };
197
198 &cpu2 {
199 cpu-supply = <&vddcpu>;
200 operating-points-v2 = <&cpu_opp_table>;
201 clocks = <&clkc CLKID_CPU2_CLK>;
202 clock-latency = <50000>;
203 };
204
205 &cpu3 {
206 cpu-supply = <&vddcpu>;
207 operating-points-v2 = <&cpu_opp_table>;
208 clocks = <&clkc CLKID_CPU3_CLK>;
209 clock-latency = <50000>;
210 };
211
212 &ext_mdio {
213 external_phy: ethernet-phy@0 {
214 /* Realtek RTL8211F (0x001cc916) */
215 reg = <0>;
216 max-speed = <1000>;
217
218 interrupt-parent = <&gpio_intc>;
219 /* MAC_INTR on GPIOZ_14 */
220 interrupts = <IRQID_GPIOZ_14 IRQ_TYPE_LEVEL_LOW>;
221 };
222 };
223
224 ðmac {
225 pinctrl-0 = <ð_pins>, <ð_rgmii_pins>;
226 pinctrl-names = "default";
227 status = "okay";
228 phy-mode = "rgmii-txid";
229 phy-handle = <&external_phy>;
230 };
231
232 &gpio {
233 gpio-line-names =
234 /* GPIOZ */
235 "ETH_MDIO", /* GPIOZ_0 */
236 "ETH_MDC", /* GPIOZ_1 */
237 "ETH_RXCLK", /* GPIOZ_2 */
238 "ETH_RX_DV", /* GPIOZ_3 */
239 "ETH_RXD0", /* GPIOZ_4 */
240 "ETH_RXD1", /* GPIOZ_5 */
241 "ETH_RXD2", /* GPIOZ_6 */
242 "ETH_RXD3", /* GPIOZ_7 */
243 "ETH_TXCLK", /* GPIOZ_8 */
244 "ETH_TXEN", /* GPIOZ_9 */
245 "ETH_TXD0", /* GPIOZ_10 */
246 "ETH_TXD1", /* GPIOZ_11 */
247 "ETH_TXD2", /* GPIOZ_12 */
248 "ETH_TXD3", /* GPIOZ_13 */
249 "ETH_INTR", /* GPIOZ_14 */
250 "ETH_NRST", /* GPIOZ_15 */
251 /* GPIOH */
252 "HDMI_SDA", /* GPIOH_0 */
253 "HDMI_SCL", /* GPIOH_1 */
254 "HDMI_HPD", /* GPIOH_2 */
255 "HDMI_CEC", /* GPIOH_3 */
256 "VL-RST_N", /* GPIOH_4 */
257 "CON1-P36", /* GPIOH_5 */
258 "VL-PWREN", /* GPIOH_6 */
259 "WiFi_3V3_1V8", /* GPIOH_7 */
260 "TFLASH_VDD_EN", /* GPIOH_8 */
261 /* BOOT */
262 "eMMC_D0", /* BOOT_0 */
263 "eMMC_D1", /* BOOT_1 */
264 "eMMC_D2", /* BOOT_2 */
265 "eMMC_D3", /* BOOT_3 */
266 "eMMC_D4", /* BOOT_4 */
267 "eMMC_D5", /* BOOT_5 */
268 "eMMC_D6", /* BOOT_6 */
269 "eMMC_D7", /* BOOT_7 */
270 "eMMC_CLK", /* BOOT_8 */
271 "",
272 "eMMC_CMD", /* BOOT_10 */
273 "",
274 "eMMC_RST#", /* BOOT_12 */
275 "eMMC_DS", /* BOOT_13 */
276 "", "",
277 /* GPIOC */
278 "SD_D0_B", /* GPIOC_0 */
279 "SD_D1_B", /* GPIOC_1 */
280 "SD_D2_B", /* GPIOC_2 */
281 "SD_D3_B", /* GPIOC_3 */
282 "SD_CLK_B", /* GPIOC_4 */
283 "SD_CMD_B", /* GPIOC_5 */
284 "CARD_EN_DET", /* GPIOC_6 */
285 "",
286 /* GPIOA */
287 "", "", "", "", "", "", "", "",
288 "", "", "", "", "", "",
289 "CON1-P27", /* GPIOA_14 */
290 "CON1-P28", /* GPIOA_15 */
291 /* GPIOX */
292 "CON1-P16", /* GPIOX_0 */
293 "CON1-P18", /* GPIOX_1 */
294 "CON1-P22", /* GPIOX_2 */
295 "CON1-P11", /* GPIOX_3 */
296 "CON1-P13", /* GPIOX_4 */
297 "CON1-P07", /* GPIOX_5 */
298 "CON1-P33", /* GPIOX_6 */
299 "CON1-P15", /* GPIOX_7 */
300 "CON1-P19", /* GPIOX_8 */
301 "CON1-P21", /* GPIOX_9 */
302 "CON1-P24", /* GPIOX_10 */
303 "CON1-P23", /* GPIOX_11 */
304 "CON1-P08", /* GPIOX_12 */
305 "CON1-P10", /* GPIOX_13 */
306 "CON1-P29", /* GPIOX_14 */
307 "CON1-P31", /* GPIOX_15 */
308 "CON1-P26", /* GPIOX_16 */
309 "CON1-P03", /* GPIOX_17 */
310 "CON1-P05", /* GPIOX_18 */
311 "CON1-P32"; /* GPIOX_19 */
312
313 /*
314 * WARNING: The USB Hub needs a reset signal to be turned high in
315 * order to be detected by the USB Controller. This signal should
316 * be handled by a USB specific power sequence to reset the Hub
317 * when the USB bus is powered down.
318 */
319 usb-hub-hog {
320 gpio-hog;
321 gpios = <GPIOH_4 GPIO_ACTIVE_HIGH>;
322 output-high;
323 line-name = "usb-hub-reset";
324 };
325 };
326
327 &gpio_ao {
328 gpio-line-names =
329 /* GPIOAO */
330 "DEBUG TX", /* GPIOAO_0 */
331 "DEBUG RX", /* GPIOAO_1 */
332 "SYS_LED2", /* GPIOAO_2 */
333 "UPDATE_KEY", /* GPIOAO_3 */
334 "CON1-P40", /* GPIOAO_4 */
335 "IR_IN", /* GPIOAO_5 */
336 "TF_3V3N_1V8_EN", /* GPIOAO_6 */
337 "CON1-P35", /* GPIOAO_7 */
338 "CON1-P12", /* GPIOAO_8 */
339 "CON1-P37", /* GPIOAO_9 */
340 "CON1-P38", /* GPIOAO_10 */
341 "SYS_LED", /* GPIOAO_11 */
342 /* GPIOE */
343 "VDDEE_PWM", /* GPIOE_0 */
344 "VDDCPU_PWM", /* GPIOE_1 */
345 "TF_PWR_EN"; /* GPIOE_2 */
346 };
347
348 &hdmi_tx {
349 status = "okay";
350 pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
351 pinctrl-names = "default";
352 hdmi-supply = <&dc_in>;
353 };
354
355 &hdmi_tx_tmds_port {
356 hdmi_tx_tmds_out: endpoint {
357 remote-endpoint = <&hdmi_connector_in>;
358 };
359 };
360
361 &ir {
362 status = "okay";
363 pinctrl-0 = <&remote_input_ao_pins>;
364 pinctrl-names = "default";
365 };
366
367 &pwm_AO_cd {
368 pinctrl-0 = <&pwm_ao_d_e_pins>;
369 pinctrl-names = "default";
370 clocks = <&xtal>;
371 clock-names = "clkin1";
372 status = "okay";
373 };
374
375 &saradc {
376 status = "okay";
377 vref-supply = <&vddao_1v8>;
378 };
379
380 /* SD card */
381 &sd_emmc_b {
382 status = "okay";
383 pinctrl-0 = <&sdcard_c_pins>;
384 pinctrl-1 = <&sdcard_clk_gate_c_pins>;
385 pinctrl-names = "default", "clk-gate";
386
387 bus-width = <4>;
388 cap-sd-highspeed;
389 max-frequency = <50000000>;
390 disable-wp;
391
392 /* TOFIX: SD card is barely usable in SDR modes */
393
394 cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
395 vmmc-supply = <&tflash_vdd>;
396 vqmmc-supply = <&vddio_c>;
397 };
398
399 /* eMMC */
400 &sd_emmc_c {
401 status = "okay";
402 pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
403 pinctrl-1 = <&emmc_clk_gate_pins>;
404 pinctrl-names = "default", "clk-gate";
405
406 bus-width = <8>;
407 cap-mmc-highspeed;
408 mmc-ddr-1_8v;
409 mmc-hs200-1_8v;
410 max-frequency = <200000000>;
411 disable-wp;
412
413 mmc-pwrseq = <&emmc_pwrseq>;
414 vmmc-supply = <&vddao_3v3>;
415 vqmmc-supply = <&emmc_1v8>;
416 };
417
418 &uart_AO {
419 status = "okay";
420 pinctrl-0 = <&uart_ao_a_pins>;
421 pinctrl-names = "default";
422 };
423
424 &usb {
425 status = "okay";
426 };
427
428 &usb2_phy0 {
429 phy-supply = <&dc_in>;
430 };
431
432 &usb2_phy1 {
433 /* Enable the hub which is connected to this port */
434 phy-supply = <&vl_pwr_en>;
435 };
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