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1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (c) 2020 David Bauer <mail@david-bauer.net>
4 */
5
6/dts-v1/;
7
8#include <dt-bindings/input/input.h>
9#include <dt-bindings/gpio/gpio.h>
10#include "rk3328.dtsi"
11
12/ {
13 model = "FriendlyElec NanoPi R2S";
14 compatible = "friendlyarm,nanopi-r2s", "rockchip,rk3328";
15
16 aliases {
17 ethernet1 = &rtl8153;
18 mmc0 = &sdmmc;
19 };
20
21 chosen {
22 stdout-path = "serial2:1500000n8";
23 };
24
25 gmac_clk: gmac-clock {
26 compatible = "fixed-clock";
27 clock-frequency = <125000000>;
28 clock-output-names = "gmac_clkin";
29 #clock-cells = <0>;
30 };
31
32 keys {
33 compatible = "gpio-keys";
34 pinctrl-0 = <&reset_button_pin>;
35 pinctrl-names = "default";
36
37 reset {
38 label = "reset";
39 gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
40 linux,code = <KEY_RESTART>;
41 debounce-interval = <50>;
42 };
43 };
44
45 leds {
46 compatible = "gpio-leds";
47 pinctrl-0 = <&lan_led_pin>, <&sys_led_pin>, <&wan_led_pin>;
48 pinctrl-names = "default";
49
50 lan_led: led-0 {
51 gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_HIGH>;
52 label = "nanopi-r2s:green:lan";
53 };
54
55 sys_led: led-1 {
56 gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_HIGH>;
57 label = "nanopi-r2s:red:sys";
58 default-state = "on";
59 };
60
61 wan_led: led-2 {
62 gpios = <&gpio2 RK_PC2 GPIO_ACTIVE_HIGH>;
63 label = "nanopi-r2s:green:wan";
64 };
65 };
66
67 vcc_io_sdio: sdmmcio-regulator {
68 compatible = "regulator-gpio";
69 enable-active-high;
70 gpios = <&gpio1 RK_PD4 GPIO_ACTIVE_HIGH>;
71 pinctrl-0 = <&sdio_vcc_pin>;
72 pinctrl-names = "default";
73 regulator-name = "vcc_io_sdio";
74 regulator-always-on;
75 regulator-min-microvolt = <1800000>;
76 regulator-max-microvolt = <3300000>;
77 regulator-settling-time-us = <5000>;
78 regulator-type = "voltage";
79 startup-delay-us = <2000>;
80 states = <1800000 0x1>,
81 <3300000 0x0>;
82 vin-supply = <&vcc_io_33>;
83 };
84
85 vcc_sd: sdmmc-regulator {
86 compatible = "regulator-fixed";
87 gpio = <&gpio0 RK_PD6 GPIO_ACTIVE_LOW>;
88 pinctrl-0 = <&sdmmc0m1_pin>;
89 pinctrl-names = "default";
90 regulator-name = "vcc_sd";
91 regulator-boot-on;
92 regulator-min-microvolt = <3300000>;
93 regulator-max-microvolt = <3300000>;
94 vin-supply = <&vcc_io_33>;
95 };
96
97 vdd_5v: vdd-5v {
98 compatible = "regulator-fixed";
99 regulator-name = "vdd_5v";
100 regulator-always-on;
101 regulator-boot-on;
102 regulator-min-microvolt = <5000000>;
103 regulator-max-microvolt = <5000000>;
104 };
105
106 vdd_5v_lan: vdd-5v-lan {
107 compatible = "regulator-fixed";
108 enable-active-high;
109 gpio = <&gpio2 RK_PC6 GPIO_ACTIVE_HIGH>;
110 pinctrl-0 = <&lan_vdd_pin>;
111 pinctrl-names = "default";
112 regulator-name = "vdd_5v_lan";
113 regulator-always-on;
114 regulator-boot-on;
115 vin-supply = <&vdd_5v>;
116 };
117};
118
119&cpu0 {
120 cpu-supply = <&vdd_arm>;
121};
122
123&cpu1 {
124 cpu-supply = <&vdd_arm>;
125};
126
127&cpu2 {
128 cpu-supply = <&vdd_arm>;
129};
130
131&cpu3 {
132 cpu-supply = <&vdd_arm>;
133};
134
135&display_subsystem {
136 status = "disabled";
137};
138
139&gmac2io {
140 assigned-clocks = <&cru SCLK_MAC2IO>, <&cru SCLK_MAC2IO_EXT>;
141 assigned-clock-parents = <&gmac_clk>, <&gmac_clk>;
142 clock_in_out = "input";
143 phy-handle = <&rtl8211e>;
144 phy-mode = "rgmii";
145 phy-supply = <&vcc_io_33>;
146 pinctrl-0 = <&rgmiim1_pins>;
147 pinctrl-names = "default";
148 rx_delay = <0x18>;
149 snps,aal;
150 tx_delay = <0x24>;
151 status = "okay";
152
153 mdio {
154 compatible = "snps,dwmac-mdio";
155 #address-cells = <1>;
156 #size-cells = <0>;
157
158 rtl8211e: ethernet-phy@1 {
159 reg = <1>;
160 pinctrl-0 = <ð_phy_reset_pin>;
161 pinctrl-names = "default";
162 reset-assert-us = <10000>;
163 reset-deassert-us = <50000>;
164 reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
165 };
166 };
167};
168
169&i2c1 {
170 status = "okay";
171
172 rk805: pmic@18 {
173 compatible = "rockchip,rk805";
174 reg = <0x18>;
175 interrupt-parent = <&gpio1>;
176 interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
177 #clock-cells = <1>;
178 clock-output-names = "xin32k", "rk805-clkout2";
179 gpio-controller;
180 #gpio-cells = <2>;
181 pinctrl-0 = <&pmic_int_l>;
182 pinctrl-names = "default";
183 rockchip,system-power-controller;
184 wakeup-source;
185
186 vcc1-supply = <&vdd_5v>;
187 vcc2-supply = <&vdd_5v>;
188 vcc3-supply = <&vdd_5v>;
189 vcc4-supply = <&vdd_5v>;
190 vcc5-supply = <&vcc_io_33>;
191 vcc6-supply = <&vdd_5v>;
192
193 regulators {
194 vdd_log: DCDC_REG1 {
195 regulator-name = "vdd_log";
196 regulator-always-on;
197 regulator-boot-on;
198 regulator-min-microvolt = <712500>;
199 regulator-max-microvolt = <1450000>;
200 regulator-ramp-delay = <12500>;
201
202 regulator-state-mem {
203 regulator-on-in-suspend;
204 regulator-suspend-microvolt = <1000000>;
205 };
206 };
207
208 vdd_arm: DCDC_REG2 {
209 regulator-name = "vdd_arm";
210 regulator-always-on;
211 regulator-boot-on;
212 regulator-min-microvolt = <712500>;
213 regulator-max-microvolt = <1450000>;
214 regulator-ramp-delay = <12500>;
215
216 regulator-state-mem {
217 regulator-on-in-suspend;
218 regulator-suspend-microvolt = <950000>;
219 };
220 };
221
222 vcc_ddr: DCDC_REG3 {
223 regulator-name = "vcc_ddr";
224 regulator-always-on;
225 regulator-boot-on;
226
227 regulator-state-mem {
228 regulator-on-in-suspend;
229 };
230 };
231
232 vcc_io_33: DCDC_REG4 {
233 regulator-name = "vcc_io_33";
234 regulator-always-on;
235 regulator-boot-on;
236 regulator-min-microvolt = <3300000>;
237 regulator-max-microvolt = <3300000>;
238
239 regulator-state-mem {
240 regulator-on-in-suspend;
241 regulator-suspend-microvolt = <3300000>;
242 };
243 };
244
245 vcc_18: LDO_REG1 {
246 regulator-name = "vcc_18";
247 regulator-always-on;
248 regulator-boot-on;
249 regulator-min-microvolt = <1800000>;
250 regulator-max-microvolt = <1800000>;
251
252 regulator-state-mem {
253 regulator-on-in-suspend;
254 regulator-suspend-microvolt = <1800000>;
255 };
256 };
257
258 vcc18_emmc: LDO_REG2 {
259 regulator-name = "vcc18_emmc";
260 regulator-always-on;
261 regulator-boot-on;
262 regulator-min-microvolt = <1800000>;
263 regulator-max-microvolt = <1800000>;
264
265 regulator-state-mem {
266 regulator-on-in-suspend;
267 regulator-suspend-microvolt = <1800000>;
268 };
269 };
270
271 vdd_10: LDO_REG3 {
272 regulator-name = "vdd_10";
273 regulator-always-on;
274 regulator-boot-on;
275 regulator-min-microvolt = <1000000>;
276 regulator-max-microvolt = <1000000>;
277
278 regulator-state-mem {
279 regulator-on-in-suspend;
280 regulator-suspend-microvolt = <1000000>;
281 };
282 };
283 };
284 };
285};
286
287&io_domains {
288 pmuio-supply = <&vcc_io_33>;
289 vccio1-supply = <&vcc_io_33>;
290 vccio2-supply = <&vcc18_emmc>;
291 vccio3-supply = <&vcc_io_sdio>;
292 vccio4-supply = <&vcc_18>;
293 vccio5-supply = <&vcc_io_33>;
294 vccio6-supply = <&vcc_io_33>;
295 status = "okay";
296};
297
298&pinctrl {
299 button {
300 reset_button_pin: reset-button-pin {
301 rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
302 };
303 };
304
305 gmac2io {
306 eth_phy_reset_pin: eth-phy-reset-pin {
307 rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_down>;
308 };
309 };
310
311 leds {
312 lan_led_pin: lan-led-pin {
313 rockchip,pins = <2 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
314 };
315
316 sys_led_pin: sys-led-pin {
317 rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
318 };
319
320 wan_led_pin: wan-led-pin {
321 rockchip,pins = <2 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
322 };
323 };
324
325 lan {
326 lan_vdd_pin: lan-vdd-pin {
327 rockchip,pins = <2 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;
328 };
329 };
330
331 pmic {
332 pmic_int_l: pmic-int-l {
333 rockchip,pins = <1 RK_PD0 RK_FUNC_GPIO &pcfg_pull_up>;
334 };
335 };
336
337 sd {
338 sdio_vcc_pin: sdio-vcc-pin {
339 rockchip,pins = <1 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>;
340 };
341 };
342};
343
344&pwm2 {
345 status = "okay";
346};
347
348&sdmmc {
349 bus-width = <4>;
350 cap-sd-highspeed;
351 disable-wp;
352 pinctrl-0 = <&sdmmc0_clk>, <&sdmmc0_cmd>, <&sdmmc0_dectn>, <&sdmmc0_bus4>;
353 pinctrl-names = "default";
354 sd-uhs-sdr12;
355 sd-uhs-sdr25;
356 sd-uhs-sdr50;
357 sd-uhs-sdr104;
358 vmmc-supply = <&vcc_sd>;
359 vqmmc-supply = <&vcc_io_sdio>;
360 status = "okay";
361};
362
363&tsadc {
364 rockchip,hw-tshut-mode = <0>;
365 rockchip,hw-tshut-polarity = <0>;
366 status = "okay";
367};
368
369&u2phy {
370 status = "okay";
371};
372
373&u2phy_host {
374 status = "okay";
375};
376
377&u2phy_otg {
378 status = "okay";
379};
380
381&uart2 {
382 status = "okay";
383};
384
385&usb20_otg {
386 status = "okay";
387 dr_mode = "host";
388};
389
390&usbdrd3 {
391 dr_mode = "host";
392 status = "okay";
393 #address-cells = <1>;
394 #size-cells = <0>;
395
396 /* Second port is for USB 3.0 */
397 rtl8153: device@2 {
398 compatible = "usbbda,8153";
399 reg = <2>;
400 };
401};
402
403&usb_host0_ehci {
404 status = "okay";
405};
406
407&usb_host0_ohci {
408 status = "okay";
409};