1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /* 2 /*
3 * Copyright (c) 2020 David Bauer <mail@david-b 3 * Copyright (c) 2020 David Bauer <mail@david-bauer.net>
4 */ 4 */
5 5
6 /dts-v1/; 6 /dts-v1/;
7 7
8 #include <dt-bindings/input/input.h> 8 #include <dt-bindings/input/input.h>
9 #include <dt-bindings/gpio/gpio.h> 9 #include <dt-bindings/gpio/gpio.h>
10 #include "rk3328.dtsi" 10 #include "rk3328.dtsi"
11 11
12 / { 12 / {
13 model = "FriendlyElec NanoPi R2S"; 13 model = "FriendlyElec NanoPi R2S";
14 compatible = "friendlyarm,nanopi-r2s", 14 compatible = "friendlyarm,nanopi-r2s", "rockchip,rk3328";
15 15
16 aliases { 16 aliases {
17 ethernet0 = &gmac2io; <<
18 ethernet1 = &rtl8153; 17 ethernet1 = &rtl8153;
19 mmc0 = &sdmmc; 18 mmc0 = &sdmmc;
20 }; 19 };
21 20
22 chosen { 21 chosen {
23 stdout-path = "serial2:1500000 22 stdout-path = "serial2:1500000n8";
24 }; 23 };
25 24
26 gmac_clk: gmac-clock { 25 gmac_clk: gmac-clock {
27 compatible = "fixed-clock"; 26 compatible = "fixed-clock";
28 clock-frequency = <125000000>; 27 clock-frequency = <125000000>;
29 clock-output-names = "gmac_clk 28 clock-output-names = "gmac_clkin";
30 #clock-cells = <0>; 29 #clock-cells = <0>;
31 }; 30 };
32 31
33 keys { 32 keys {
34 compatible = "gpio-keys"; 33 compatible = "gpio-keys";
35 pinctrl-0 = <&reset_button_pin 34 pinctrl-0 = <&reset_button_pin>;
36 pinctrl-names = "default"; 35 pinctrl-names = "default";
37 36
38 key-reset { 37 key-reset {
39 label = "reset"; 38 label = "reset";
40 gpios = <&gpio0 RK_PA0 39 gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
41 linux,code = <KEY_REST 40 linux,code = <KEY_RESTART>;
42 debounce-interval = <5 41 debounce-interval = <50>;
43 }; 42 };
44 }; 43 };
45 44
46 leds { 45 leds {
47 compatible = "gpio-leds"; 46 compatible = "gpio-leds";
48 pinctrl-0 = <&lan_led_pin>, < 47 pinctrl-0 = <&lan_led_pin>, <&sys_led_pin>, <&wan_led_pin>;
49 pinctrl-names = "default"; 48 pinctrl-names = "default";
50 49
51 lan_led: led-0 { 50 lan_led: led-0 {
52 gpios = <&gpio2 RK_PB7 51 gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_HIGH>;
53 label = "nanopi-r2s:gr 52 label = "nanopi-r2s:green:lan";
54 }; 53 };
55 54
56 sys_led: led-1 { 55 sys_led: led-1 {
57 gpios = <&gpio0 RK_PA2 56 gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_HIGH>;
58 label = "nanopi-r2s:re 57 label = "nanopi-r2s:red:sys";
59 default-state = "on"; 58 default-state = "on";
60 }; 59 };
61 60
62 wan_led: led-2 { 61 wan_led: led-2 {
63 gpios = <&gpio2 RK_PC2 62 gpios = <&gpio2 RK_PC2 GPIO_ACTIVE_HIGH>;
64 label = "nanopi-r2s:gr 63 label = "nanopi-r2s:green:wan";
65 }; 64 };
66 }; 65 };
67 66
68 vcc_io_sdio: sdmmcio-regulator { 67 vcc_io_sdio: sdmmcio-regulator {
69 compatible = "regulator-gpio"; 68 compatible = "regulator-gpio";
70 enable-active-high; 69 enable-active-high;
71 gpios = <&gpio1 RK_PD4 GPIO_AC 70 gpios = <&gpio1 RK_PD4 GPIO_ACTIVE_HIGH>;
72 pinctrl-0 = <&sdio_vcc_pin>; 71 pinctrl-0 = <&sdio_vcc_pin>;
73 pinctrl-names = "default"; 72 pinctrl-names = "default";
74 regulator-name = "vcc_io_sdio" 73 regulator-name = "vcc_io_sdio";
75 regulator-always-on; 74 regulator-always-on;
76 regulator-min-microvolt = <180 75 regulator-min-microvolt = <1800000>;
77 regulator-max-microvolt = <330 76 regulator-max-microvolt = <3300000>;
78 regulator-settling-time-us = < 77 regulator-settling-time-us = <5000>;
79 regulator-type = "voltage"; 78 regulator-type = "voltage";
80 startup-delay-us = <2000>; 79 startup-delay-us = <2000>;
81 states = <1800000 0x1>, 80 states = <1800000 0x1>,
82 <3300000 0x0>; 81 <3300000 0x0>;
83 vin-supply = <&vcc_io_33>; 82 vin-supply = <&vcc_io_33>;
84 }; 83 };
85 84
86 vcc_sd: sdmmc-regulator { 85 vcc_sd: sdmmc-regulator {
87 compatible = "regulator-fixed" 86 compatible = "regulator-fixed";
88 gpio = <&gpio0 RK_PD6 GPIO_ACT 87 gpio = <&gpio0 RK_PD6 GPIO_ACTIVE_LOW>;
89 pinctrl-0 = <&sdmmc0m1_pin>; 88 pinctrl-0 = <&sdmmc0m1_pin>;
90 pinctrl-names = "default"; 89 pinctrl-names = "default";
91 regulator-name = "vcc_sd"; 90 regulator-name = "vcc_sd";
92 regulator-boot-on; 91 regulator-boot-on;
93 regulator-min-microvolt = <330 92 regulator-min-microvolt = <3300000>;
94 regulator-max-microvolt = <330 93 regulator-max-microvolt = <3300000>;
95 vin-supply = <&vcc_io_33>; 94 vin-supply = <&vcc_io_33>;
96 }; 95 };
97 96
98 vdd_5v: vdd-5v { 97 vdd_5v: vdd-5v {
99 compatible = "regulator-fixed" 98 compatible = "regulator-fixed";
100 regulator-name = "vdd_5v"; 99 regulator-name = "vdd_5v";
101 regulator-always-on; 100 regulator-always-on;
102 regulator-boot-on; 101 regulator-boot-on;
103 regulator-min-microvolt = <500 102 regulator-min-microvolt = <5000000>;
104 regulator-max-microvolt = <500 103 regulator-max-microvolt = <5000000>;
105 }; 104 };
106 105
107 vdd_5v_lan: vdd-5v-lan { 106 vdd_5v_lan: vdd-5v-lan {
108 compatible = "regulator-fixed" 107 compatible = "regulator-fixed";
109 enable-active-high; 108 enable-active-high;
110 gpio = <&gpio2 RK_PC6 GPIO_ACT 109 gpio = <&gpio2 RK_PC6 GPIO_ACTIVE_HIGH>;
111 pinctrl-0 = <&lan_vdd_pin>; 110 pinctrl-0 = <&lan_vdd_pin>;
112 pinctrl-names = "default"; 111 pinctrl-names = "default";
113 regulator-name = "vdd_5v_lan"; 112 regulator-name = "vdd_5v_lan";
114 regulator-always-on; 113 regulator-always-on;
115 regulator-boot-on; 114 regulator-boot-on;
116 vin-supply = <&vdd_5v>; 115 vin-supply = <&vdd_5v>;
117 }; 116 };
118 }; 117 };
119 118
120 &cpu0 { 119 &cpu0 {
121 cpu-supply = <&vdd_arm>; 120 cpu-supply = <&vdd_arm>;
122 }; 121 };
123 122
124 &cpu1 { 123 &cpu1 {
125 cpu-supply = <&vdd_arm>; 124 cpu-supply = <&vdd_arm>;
126 }; 125 };
127 126
128 &cpu2 { 127 &cpu2 {
129 cpu-supply = <&vdd_arm>; 128 cpu-supply = <&vdd_arm>;
130 }; 129 };
131 130
132 &cpu3 { 131 &cpu3 {
133 cpu-supply = <&vdd_arm>; 132 cpu-supply = <&vdd_arm>;
134 }; 133 };
135 134
136 &display_subsystem { 135 &display_subsystem {
137 status = "disabled"; 136 status = "disabled";
138 }; 137 };
139 138
140 &gmac2io { 139 &gmac2io {
141 assigned-clocks = <&cru SCLK_MAC2IO>, 140 assigned-clocks = <&cru SCLK_MAC2IO>, <&cru SCLK_MAC2IO_EXT>;
142 assigned-clock-parents = <&gmac_clk>, 141 assigned-clock-parents = <&gmac_clk>, <&gmac_clk>;
143 clock_in_out = "input"; 142 clock_in_out = "input";
144 phy-handle = <&rtl8211e>; 143 phy-handle = <&rtl8211e>;
145 phy-mode = "rgmii"; 144 phy-mode = "rgmii";
146 phy-supply = <&vcc_io_33>; 145 phy-supply = <&vcc_io_33>;
147 pinctrl-0 = <&rgmiim1_pins>; 146 pinctrl-0 = <&rgmiim1_pins>;
148 pinctrl-names = "default"; 147 pinctrl-names = "default";
149 rx_delay = <0x18>; 148 rx_delay = <0x18>;
150 snps,aal; 149 snps,aal;
151 tx_delay = <0x24>; 150 tx_delay = <0x24>;
152 status = "okay"; 151 status = "okay";
153 152
154 mdio { 153 mdio {
155 compatible = "snps,dwmac-mdio" 154 compatible = "snps,dwmac-mdio";
156 #address-cells = <1>; 155 #address-cells = <1>;
157 #size-cells = <0>; 156 #size-cells = <0>;
158 157
159 rtl8211e: ethernet-phy@1 { 158 rtl8211e: ethernet-phy@1 {
160 reg = <1>; 159 reg = <1>;
161 pinctrl-0 = <ð_phy_ 160 pinctrl-0 = <ð_phy_reset_pin>;
162 pinctrl-names = "defau 161 pinctrl-names = "default";
163 reset-assert-us = <100 162 reset-assert-us = <10000>;
164 reset-deassert-us = <5 163 reset-deassert-us = <50000>;
165 reset-gpios = <&gpio1 164 reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
166 }; 165 };
167 }; 166 };
168 }; 167 };
169 168
170 &i2c1 { 169 &i2c1 {
171 status = "okay"; 170 status = "okay";
172 171
173 rk805: pmic@18 { 172 rk805: pmic@18 {
174 compatible = "rockchip,rk805"; 173 compatible = "rockchip,rk805";
175 reg = <0x18>; 174 reg = <0x18>;
176 interrupt-parent = <&gpio1>; 175 interrupt-parent = <&gpio1>;
177 interrupts = <24 IRQ_TYPE_LEVE 176 interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
178 #clock-cells = <1>; 177 #clock-cells = <1>;
179 clock-output-names = "xin32k", 178 clock-output-names = "xin32k", "rk805-clkout2";
180 gpio-controller; 179 gpio-controller;
181 #gpio-cells = <2>; 180 #gpio-cells = <2>;
182 pinctrl-0 = <&pmic_int_l>; 181 pinctrl-0 = <&pmic_int_l>;
183 pinctrl-names = "default"; 182 pinctrl-names = "default";
184 rockchip,system-power-controll 183 rockchip,system-power-controller;
185 wakeup-source; 184 wakeup-source;
186 185
187 vcc1-supply = <&vdd_5v>; 186 vcc1-supply = <&vdd_5v>;
188 vcc2-supply = <&vdd_5v>; 187 vcc2-supply = <&vdd_5v>;
189 vcc3-supply = <&vdd_5v>; 188 vcc3-supply = <&vdd_5v>;
190 vcc4-supply = <&vdd_5v>; 189 vcc4-supply = <&vdd_5v>;
191 vcc5-supply = <&vcc_io_33>; 190 vcc5-supply = <&vcc_io_33>;
192 vcc6-supply = <&vdd_5v>; 191 vcc6-supply = <&vdd_5v>;
193 192
194 regulators { 193 regulators {
195 vdd_log: DCDC_REG1 { 194 vdd_log: DCDC_REG1 {
196 regulator-name 195 regulator-name = "vdd_log";
197 regulator-alwa 196 regulator-always-on;
198 regulator-boot 197 regulator-boot-on;
199 regulator-min- 198 regulator-min-microvolt = <712500>;
200 regulator-max- 199 regulator-max-microvolt = <1450000>;
201 regulator-ramp 200 regulator-ramp-delay = <12500>;
202 201
203 regulator-stat 202 regulator-state-mem {
204 regula 203 regulator-on-in-suspend;
205 regula 204 regulator-suspend-microvolt = <1000000>;
206 }; 205 };
207 }; 206 };
208 207
209 vdd_arm: DCDC_REG2 { 208 vdd_arm: DCDC_REG2 {
210 regulator-name 209 regulator-name = "vdd_arm";
211 regulator-alwa 210 regulator-always-on;
212 regulator-boot 211 regulator-boot-on;
213 regulator-min- 212 regulator-min-microvolt = <712500>;
214 regulator-max- 213 regulator-max-microvolt = <1450000>;
215 regulator-ramp 214 regulator-ramp-delay = <12500>;
216 215
217 regulator-stat 216 regulator-state-mem {
218 regula 217 regulator-on-in-suspend;
219 regula 218 regulator-suspend-microvolt = <950000>;
220 }; 219 };
221 }; 220 };
222 221
223 vcc_ddr: DCDC_REG3 { 222 vcc_ddr: DCDC_REG3 {
224 regulator-name 223 regulator-name = "vcc_ddr";
225 regulator-alwa 224 regulator-always-on;
226 regulator-boot 225 regulator-boot-on;
227 226
228 regulator-stat 227 regulator-state-mem {
229 regula 228 regulator-on-in-suspend;
230 }; 229 };
231 }; 230 };
232 231
233 vcc_io_33: DCDC_REG4 { 232 vcc_io_33: DCDC_REG4 {
234 regulator-name 233 regulator-name = "vcc_io_33";
235 regulator-alwa 234 regulator-always-on;
236 regulator-boot 235 regulator-boot-on;
237 regulator-min- 236 regulator-min-microvolt = <3300000>;
238 regulator-max- 237 regulator-max-microvolt = <3300000>;
239 238
240 regulator-stat 239 regulator-state-mem {
241 regula 240 regulator-on-in-suspend;
242 regula 241 regulator-suspend-microvolt = <3300000>;
243 }; 242 };
244 }; 243 };
245 244
246 vcc_18: LDO_REG1 { 245 vcc_18: LDO_REG1 {
247 regulator-name 246 regulator-name = "vcc_18";
248 regulator-alwa 247 regulator-always-on;
249 regulator-boot 248 regulator-boot-on;
250 regulator-min- 249 regulator-min-microvolt = <1800000>;
251 regulator-max- 250 regulator-max-microvolt = <1800000>;
252 251
253 regulator-stat 252 regulator-state-mem {
254 regula 253 regulator-on-in-suspend;
255 regula 254 regulator-suspend-microvolt = <1800000>;
256 }; 255 };
257 }; 256 };
258 257
259 vcc18_emmc: LDO_REG2 { 258 vcc18_emmc: LDO_REG2 {
260 regulator-name 259 regulator-name = "vcc18_emmc";
261 regulator-alwa 260 regulator-always-on;
262 regulator-boot 261 regulator-boot-on;
263 regulator-min- 262 regulator-min-microvolt = <1800000>;
264 regulator-max- 263 regulator-max-microvolt = <1800000>;
265 264
266 regulator-stat 265 regulator-state-mem {
267 regula 266 regulator-on-in-suspend;
268 regula 267 regulator-suspend-microvolt = <1800000>;
269 }; 268 };
270 }; 269 };
271 270
272 vdd_10: LDO_REG3 { 271 vdd_10: LDO_REG3 {
273 regulator-name 272 regulator-name = "vdd_10";
274 regulator-alwa 273 regulator-always-on;
275 regulator-boot 274 regulator-boot-on;
276 regulator-min- 275 regulator-min-microvolt = <1000000>;
277 regulator-max- 276 regulator-max-microvolt = <1000000>;
278 277
279 regulator-stat 278 regulator-state-mem {
280 regula 279 regulator-on-in-suspend;
281 regula 280 regulator-suspend-microvolt = <1000000>;
282 }; 281 };
283 }; 282 };
284 }; 283 };
285 }; 284 };
286 }; 285 };
287 286
288 &io_domains { 287 &io_domains {
289 pmuio-supply = <&vcc_io_33>; 288 pmuio-supply = <&vcc_io_33>;
290 vccio1-supply = <&vcc_io_33>; 289 vccio1-supply = <&vcc_io_33>;
291 vccio2-supply = <&vcc18_emmc>; 290 vccio2-supply = <&vcc18_emmc>;
292 vccio3-supply = <&vcc_io_sdio>; 291 vccio3-supply = <&vcc_io_sdio>;
293 vccio4-supply = <&vcc_18>; 292 vccio4-supply = <&vcc_18>;
294 vccio5-supply = <&vcc_io_33>; 293 vccio5-supply = <&vcc_io_33>;
295 vccio6-supply = <&vcc_io_33>; 294 vccio6-supply = <&vcc_io_33>;
296 status = "okay"; 295 status = "okay";
297 }; 296 };
298 297
299 &pinctrl { 298 &pinctrl {
300 button { 299 button {
301 reset_button_pin: reset-button 300 reset_button_pin: reset-button-pin {
302 rockchip,pins = <0 RK_ 301 rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
303 }; 302 };
304 }; 303 };
305 304
306 gmac2io { 305 gmac2io {
307 eth_phy_reset_pin: eth-phy-res 306 eth_phy_reset_pin: eth-phy-reset-pin {
308 rockchip,pins = <1 RK_ 307 rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_down>;
309 }; 308 };
310 }; 309 };
311 310
312 leds { 311 leds {
313 lan_led_pin: lan-led-pin { 312 lan_led_pin: lan-led-pin {
314 rockchip,pins = <2 RK_ 313 rockchip,pins = <2 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
315 }; 314 };
316 315
317 sys_led_pin: sys-led-pin { 316 sys_led_pin: sys-led-pin {
318 rockchip,pins = <0 RK_ 317 rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
319 }; 318 };
320 319
321 wan_led_pin: wan-led-pin { 320 wan_led_pin: wan-led-pin {
322 rockchip,pins = <2 RK_ 321 rockchip,pins = <2 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
323 }; 322 };
324 }; 323 };
325 324
326 lan { 325 lan {
327 lan_vdd_pin: lan-vdd-pin { 326 lan_vdd_pin: lan-vdd-pin {
328 rockchip,pins = <2 RK_ 327 rockchip,pins = <2 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;
329 }; 328 };
330 }; 329 };
331 330
332 pmic { 331 pmic {
333 pmic_int_l: pmic-int-l { 332 pmic_int_l: pmic-int-l {
334 rockchip,pins = <1 RK_ 333 rockchip,pins = <1 RK_PD0 RK_FUNC_GPIO &pcfg_pull_up>;
335 }; 334 };
336 }; 335 };
337 336
338 sd { 337 sd {
339 sdio_vcc_pin: sdio-vcc-pin { 338 sdio_vcc_pin: sdio-vcc-pin {
340 rockchip,pins = <1 RK_ 339 rockchip,pins = <1 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>;
341 }; 340 };
342 }; 341 };
343 }; 342 };
344 343
345 &pwm2 { 344 &pwm2 {
346 status = "okay"; 345 status = "okay";
347 }; 346 };
348 347
349 &sdmmc { 348 &sdmmc {
350 bus-width = <4>; 349 bus-width = <4>;
351 cap-sd-highspeed; 350 cap-sd-highspeed;
352 disable-wp; 351 disable-wp;
353 pinctrl-0 = <&sdmmc0_clk>, <&sdmmc0_cm 352 pinctrl-0 = <&sdmmc0_clk>, <&sdmmc0_cmd>, <&sdmmc0_dectn>, <&sdmmc0_bus4>;
354 pinctrl-names = "default"; 353 pinctrl-names = "default";
355 sd-uhs-sdr12; 354 sd-uhs-sdr12;
356 sd-uhs-sdr25; 355 sd-uhs-sdr25;
357 sd-uhs-sdr50; 356 sd-uhs-sdr50;
358 sd-uhs-sdr104; 357 sd-uhs-sdr104;
359 vmmc-supply = <&vcc_sd>; 358 vmmc-supply = <&vcc_sd>;
360 vqmmc-supply = <&vcc_io_sdio>; 359 vqmmc-supply = <&vcc_io_sdio>;
361 status = "okay"; 360 status = "okay";
362 }; 361 };
363 362
364 &tsadc { 363 &tsadc {
365 rockchip,hw-tshut-mode = <0>; 364 rockchip,hw-tshut-mode = <0>;
366 rockchip,hw-tshut-polarity = <0>; 365 rockchip,hw-tshut-polarity = <0>;
367 status = "okay"; 366 status = "okay";
368 }; 367 };
369 368
370 &u2phy { 369 &u2phy {
371 status = "okay"; 370 status = "okay";
372 }; 371 };
373 372
374 &u2phy_host { 373 &u2phy_host {
375 status = "okay"; 374 status = "okay";
376 }; 375 };
377 376
378 &u2phy_otg { 377 &u2phy_otg {
379 status = "okay"; 378 status = "okay";
380 }; 379 };
381 380
382 &uart2 { 381 &uart2 {
383 status = "okay"; 382 status = "okay";
384 }; 383 };
385 384
386 &usb20_otg { 385 &usb20_otg {
387 status = "okay"; 386 status = "okay";
388 dr_mode = "host"; 387 dr_mode = "host";
389 }; 388 };
390 389
391 &usbdrd3 { 390 &usbdrd3 {
392 dr_mode = "host"; 391 dr_mode = "host";
393 status = "okay"; 392 status = "okay";
394 #address-cells = <1>; 393 #address-cells = <1>;
395 #size-cells = <0>; 394 #size-cells = <0>;
396 395
397 /* Second port is for USB 3.0 */ 396 /* Second port is for USB 3.0 */
398 rtl8153: device@2 { 397 rtl8153: device@2 {
399 compatible = "usbbda,8153"; 398 compatible = "usbbda,8153";
400 reg = <2>; 399 reg = <2>;
401 }; 400 };
402 }; 401 };
403 402
404 &usb_host0_ehci { 403 &usb_host0_ehci {
405 status = "okay"; 404 status = "okay";
406 }; 405 };
407 406
408 &usb_host0_ohci { 407 &usb_host0_ohci {
409 status = "okay"; 408 status = "okay";
410 }; 409 };
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