1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2017 Andreas Färber
4 */
5
6 /dts-v1/;
7
8 #include "meson-gxbb.dtsi"
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/sound/meson-aiu.h>
11
12 / {
13 compatible = "friendlyarm,nanopi-k2", "amlogic,meson-gxbb";
14 model = "FriendlyARM NanoPi K2";
15
16 aliases {
17 serial0 = &uart_AO;
18 ethernet0 = ðmac;
19 };
20
21 chosen {
22 stdout-path = "serial0:115200n8";
23 };
24
25 memory@0 {
26 device_type = "memory";
27 reg = <0x0 0x0 0x0 0x80000000>;
28 };
29
30 leds {
31 compatible = "gpio-leds";
32
33 led-stat {
34 label = "nanopi-k2:blue:stat";
35 gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_HIGH>;
36 default-state = "on";
37 panic-indicator;
38 };
39 };
40
41 vdd_5v: regulator-vdd-5v {
42 compatible = "regulator-fixed";
43 regulator-name = "VDD_5V";
44 regulator-min-microvolt = <5000000>;
45 regulator-max-microvolt = <5000000>;
46 };
47
48 vddio_ao18: regulator-vddio-ao18 {
49 compatible = "regulator-fixed";
50 regulator-name = "VDDIO_AO18";
51 regulator-min-microvolt = <1800000>;
52 regulator-max-microvolt = <1800000>;
53 };
54
55 vddio_ao3v3: regulator-vddio-ao3v3 {
56 compatible = "regulator-fixed";
57 regulator-name = "VDDIO_AO3.3V";
58 regulator-min-microvolt = <3300000>;
59 regulator-max-microvolt = <3300000>;
60 };
61
62 vddio_tf: regulator-vddio-tf {
63 compatible = "regulator-gpio";
64
65 regulator-name = "VDDIO_TF";
66 regulator-min-microvolt = <1800000>;
67 regulator-max-microvolt = <3300000>;
68
69 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
70 gpios-states = <0>;
71
72 states = <3300000 0>,
73 <1800000 1>;
74
75 regulator-settling-time-up-us = <100>;
76 regulator-settling-time-down-us = <5000>;
77 };
78
79 wifi_32k: wifi-32k {
80 compatible = "pwm-clock";
81 #clock-cells = <0>;
82 clock-frequency = <32768>;
83 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
84 };
85
86 sdio_pwrseq: sdio-pwrseq {
87 compatible = "mmc-pwrseq-simple";
88 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
89 clocks = <&wifi_32k>;
90 clock-names = "ext_clock";
91 };
92
93 vcc1v8: regulator-vcc1v8 {
94 compatible = "regulator-fixed";
95 regulator-name = "VCC1.8V";
96 regulator-min-microvolt = <1800000>;
97 regulator-max-microvolt = <1800000>;
98 };
99
100 vcc3v3: regulator-vcc3v3 {
101 compatible = "regulator-fixed";
102 regulator-name = "VCC3.3V";
103 regulator-min-microvolt = <3300000>;
104 regulator-max-microvolt = <3300000>;
105 };
106
107 emmc_pwrseq: emmc-pwrseq {
108 compatible = "mmc-pwrseq-emmc";
109 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
110 };
111
112 /* CVBS is available on CON1 pin 36, disabled by default */
113 cvbs-connector {
114 compatible = "composite-video-connector";
115 status = "disabled";
116
117 port {
118 cvbs_connector_in: endpoint {
119 remote-endpoint = <&cvbs_vdac_out>;
120 };
121 };
122 };
123
124 hdmi-connector {
125 compatible = "hdmi-connector";
126 type = "a";
127
128 port {
129 hdmi_connector_in: endpoint {
130 remote-endpoint = <&hdmi_tx_tmds_out>;
131 };
132 };
133 };
134
135 sound {
136 compatible = "amlogic,gx-sound-card";
137 model = "NANOPI-K2";
138 assigned-clocks = <&clkc CLKID_MPLL0>,
139 <&clkc CLKID_MPLL1>,
140 <&clkc CLKID_MPLL2>;
141 assigned-clock-parents = <0>, <0>, <0>;
142 assigned-clock-rates = <294912000>,
143 <270950400>,
144 <393216000>;
145
146 dai-link-0 {
147 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
148 };
149
150 dai-link-1 {
151 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
152 dai-format = "i2s";
153 mclk-fs = <256>;
154
155 codec-0 {
156 sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
157 };
158 };
159
160 dai-link-2 {
161 sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
162
163 codec-0 {
164 sound-dai = <&hdmi_tx>;
165 };
166 };
167 };
168 };
169
170 &aiu {
171 status = "okay";
172 };
173
174 &cec_AO {
175 status = "okay";
176 pinctrl-0 = <&ao_cec_pins>;
177 pinctrl-names = "default";
178 hdmi-phandle = <&hdmi_tx>;
179 };
180
181 &cvbs_vdac_port {
182 cvbs_vdac_out: endpoint {
183 remote-endpoint = <&cvbs_connector_in>;
184 };
185 };
186
187 ðmac {
188 status = "okay";
189 pinctrl-0 = <ð_rgmii_pins>;
190 pinctrl-names = "default";
191
192 phy-handle = <ð_phy0>;
193 phy-mode = "rgmii";
194
195 amlogic,tx-delay-ns = <2>;
196
197 mdio {
198 compatible = "snps,dwmac-mdio";
199 #address-cells = <1>;
200 #size-cells = <0>;
201
202 eth_phy0: ethernet-phy@0 {
203 /* Realtek RTL8211F (0x001cc916) */
204 reg = <0>;
205
206 reset-assert-us = <10000>;
207 reset-deassert-us = <80000>;
208 reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
209
210 interrupt-parent = <&gpio_intc>;
211 /* MAC_INTR on GPIOZ_15 */
212 interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
213 };
214 };
215 };
216
217 &hdmi_tx {
218 status = "okay";
219 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
220 pinctrl-names = "default";
221 };
222
223 &hdmi_tx_tmds_port {
224 hdmi_tx_tmds_out: endpoint {
225 remote-endpoint = <&hdmi_connector_in>;
226 };
227 };
228
229 &ir {
230 status = "okay";
231 pinctrl-0 = <&remote_input_ao_pins>;
232 pinctrl-names = "default";
233 };
234
235 &gpio_ao {
236 gpio-line-names = "UART TX", "UART RX", "Power Control", "Power Key In",
237 "VCCK En", "CON1 Header Pin31",
238 "I2S Header Pin6", "IR In", "I2S Header Pin7",
239 "I2S Header Pin3", "I2S Header Pin4",
240 "I2S Header Pin5", "HDMI CEC", "SYS LED",
241 /* GPIO_TEST_N */
242 "";
243 };
244
245 &gpio {
246 gpio-line-names = /* Bank GPIOZ */
247 "Eth MDIO", "Eth MDC", "Eth RGMII RX Clk",
248 "Eth RX DV", "Eth RX D0", "Eth RX D1", "Eth RX D2",
249 "Eth RX D3", "Eth RGMII TX Clk", "Eth TX En",
250 "Eth TX D0", "Eth TX D1", "Eth TX D2", "Eth TX D3",
251 "Eth PHY nRESET", "Eth PHY Intc",
252 /* Bank GPIOH */
253 "HDMI HPD", "HDMI DDC SDA", "HDMI DDC SCL",
254 "CON1 Header Pin33",
255 /* Bank BOOT */
256 "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3", "eMMC D4",
257 "eMMC D5", "eMMC D6", "eMMC D7", "eMMC Clk",
258 "eMMC Reset", "eMMC CMD",
259 "", "", "", "", "eMMC DS",
260 "", "",
261 /* Bank CARD */
262 "SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD",
263 "SDCard D3", "SDCard D2", "SDCard Det",
264 /* Bank GPIODV */
265 "", "", "", "", "", "", "", "", "", "", "", "", "",
266 "", "", "", "", "", "", "", "", "", "", "",
267 "I2C A SDA", "I2C A SCK", "I2C B SDA", "I2C B SCK",
268 "VDDEE Regulator", "VCCK Regulator",
269 /* Bank GPIOY */
270 "CON1 Header Pin7", "CON1 Header Pin11",
271 "CON1 Header Pin13", "CON1 Header Pin15",
272 "CON1 Header Pin18", "CON1 Header Pin19",
273 "CON1 Header Pin22", "CON1 Header Pin21",
274 "CON1 Header Pin24", "CON1 Header Pin23",
275 "CON1 Header Pin26", "CON1 Header Pin29",
276 "CON1 Header Pin32", "CON1 Header Pin8",
277 "CON1 Header Pin10", "CON1 Header Pin16",
278 "CON1 Header Pin12",
279 /* Bank GPIOX */
280 "WIFI SDIO D0", "WIFI SDIO D1", "WIFI SDIO D2",
281 "WIFI SDIO D3", "WIFI SDIO CLK", "WIFI SDIO CMD",
282 "WIFI Power Enable", "WIFI WAKE HOST",
283 "Bluetooth PCM DOUT", "Bluetooth PCM DIN",
284 "Bluetooth PCM SYNC", "Bluetooth PCM CLK",
285 "Bluetooth UART TX", "Bluetooth UART RX",
286 "Bluetooth UART CTS", "Bluetooth UART RTS",
287 "", "", "", "WIFI 32K", "Bluetooth Enable",
288 "Bluetooth WAKE HOST", "",
289 /* Bank GPIOCLK */
290 "", "CON1 Header Pin35", "", "";
291 };
292
293 &pwm_ef {
294 status = "okay";
295 pinctrl-0 = <&pwm_e_pins>;
296 pinctrl-names = "default";
297 clocks = <&clkc CLKID_FCLK_DIV4>;
298 clock-names = "clkin0";
299 };
300
301 &saradc {
302 status = "okay";
303 vref-supply = <&vddio_ao18>;
304 };
305
306 /* SDIO */
307 &sd_emmc_a {
308 status = "okay";
309 pinctrl-0 = <&sdio_pins>, <&sdio_irq_pins>;
310 pinctrl-1 = <&sdio_clk_gate_pins>;
311 pinctrl-names = "default", "clk-gate";
312 #address-cells = <1>;
313 #size-cells = <0>;
314
315 bus-width = <4>;
316 cap-sd-highspeed;
317 max-frequency = <50000000>;
318
319 non-removable;
320 disable-wp;
321
322 /* WiFi firmware requires power to be kept while in suspend */
323 keep-power-in-suspend;
324
325 mmc-pwrseq = <&sdio_pwrseq>;
326
327 vmmc-supply = <&vddio_ao3v3>;
328 vqmmc-supply = <&vddio_ao18>;
329
330 brcmf: wifi@1 {
331 compatible = "brcm,bcm4329-fmac";
332 reg = <1>;
333 };
334 };
335
336 /* SD */
337 &sd_emmc_b {
338 status = "okay";
339 pinctrl-0 = <&sdcard_pins>;
340 pinctrl-1 = <&sdcard_clk_gate_pins>;
341 pinctrl-names = "default", "clk-gate";
342
343 bus-width = <4>;
344 cap-sd-highspeed;
345 sd-uhs-sdr12;
346 sd-uhs-sdr25;
347 sd-uhs-sdr50;
348 sd-uhs-ddr50;
349 max-frequency = <100000000>;
350 disable-wp;
351
352 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
353
354 vmmc-supply = <&vddio_ao3v3>;
355 vqmmc-supply = <&vddio_tf>;
356 };
357
358 /* eMMC */
359 &sd_emmc_c {
360 status = "disabled";
361 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
362 pinctrl-1 = <&emmc_clk_gate_pins>;
363 pinctrl-names = "default", "clk-gate";
364
365 bus-width = <8>;
366 max-frequency = <200000000>;
367 non-removable;
368 disable-wp;
369 cap-mmc-highspeed;
370 mmc-ddr-1_8v;
371 mmc-hs200-1_8v;
372
373 mmc-pwrseq = <&emmc_pwrseq>;
374 vmmc-supply = <&vcc3v3>;
375 vqmmc-supply = <&vcc1v8>;
376 };
377
378 /* DBG_UART */
379 &uart_AO {
380 status = "okay";
381 pinctrl-0 = <&uart_ao_a_pins>;
382 pinctrl-names = "default";
383 };
384
385 /* Bluetooth on AP6212 */
386 &uart_A {
387 status = "okay";
388 pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
389 pinctrl-names = "default";
390 uart-has-rtscts;
391
392 bluetooth {
393 compatible = "brcm,bcm43438-bt";
394 clocks = <&wifi_32k>;
395 clock-names = "lpo";
396 vbat-supply = <&vddio_ao3v3>;
397 vddio-supply = <&vddio_ao18>;
398 host-wakeup-gpios = <&gpio GPIOX_21 GPIO_ACTIVE_HIGH>;
399 shutdown-gpios = <&gpio GPIOX_20 GPIO_ACTIVE_HIGH>;
400 };
401 };
402
403 /* 40-pin CON1 */
404 &uart_C {
405 status = "disabled";
406 pinctrl-0 = <&uart_c_pins>;
407 pinctrl-names = "default";
408 };
409
410 &usb0_phy {
411 status = "okay";
412 phy-supply = <&vdd_5v>;
413 };
414
415 &usb1_phy {
416 status = "okay";
417 };
418
419 &usb0 {
420 status = "okay";
421 };
422
423 &usb1 {
424 status = "okay";
425 };
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