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	chosen {
17		stdout-path = "serial2:1500000n8";
18	};
19
20	gmac_clk: gmac-clock {
21		compatible = "fixed-clock";
22		clock-frequency = <125000000>;
23		clock-output-names = "gmac_clkin";
24		#clock-cells = <0>;
25	};
26
27	keys {
28		compatible = "gpio-keys";
29		pinctrl-0 = <&reset_button_pin>;
30		pinctrl-names = "default";
31
32		reset {
33			label = "reset";
34			gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
35			linux,code = <KEY_RESTART>;
36			debounce-interval = <50>;
37		};
38	};
39
40	leds {
41		compatible = "gpio-leds";
42		pinctrl-0 = <&lan_led_pin>,  <&sys_led_pin>, <&wan_led_pin>;
43		pinctrl-names = "default";
44
45		lan_led: led-0 {
46			gpios = <&gpio2 RK_PB7 GPIO_ACTIVE_HIGH>;
47			label = "nanopi-r2s:green:lan";
48		};
49
50		sys_led: led-1 {
51			gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_HIGH>;
52			label = "nanopi-r2s:red:sys";
53		};
54
55		wan_led: led-2 {
56			gpios = <&gpio2 RK_PC2 GPIO_ACTIVE_HIGH>;
57			label = "nanopi-r2s:green:wan";
58		};
59	};
60
61	vcc_io_sdio: sdmmcio-regulator {
62		compatible = "regulator-gpio";
63		enable-active-high;
64		gpios = <&gpio1 RK_PD4 GPIO_ACTIVE_HIGH>;
65		pinctrl-0 = <&sdio_vcc_pin>;
66		pinctrl-names = "default";
67		regulator-name = "vcc_io_sdio";
68		regulator-always-on;
69		regulator-min-microvolt = <1800000>;
70		regulator-max-microvolt = <3300000>;
71		regulator-settling-time-us = <5000>;
72		regulator-type = "voltage";
73		startup-delay-us = <2000>;
74		states = <1800000 0x1
75			  3300000 0x0>;
76		vin-supply = <&vcc_io_33>;
77	};
78
79	vcc_sd: sdmmc-regulator {
80		compatible = "regulator-fixed";
81		gpio = <&gpio0 RK_PD6 GPIO_ACTIVE_LOW>;
82		pinctrl-0 = <&sdmmc0m1_gpio>;
83		pinctrl-names = "default";
84		regulator-name = "vcc_sd";
85		regulator-boot-on;
86		regulator-min-microvolt = <3300000>;
87		regulator-max-microvolt = <3300000>;
88		vin-supply = <&vcc_io_33>;
89	};
90
91	vdd_5v: vdd-5v {
92		compatible = "regulator-fixed";
93		regulator-name = "vdd_5v";
94		regulator-always-on;
95		regulator-boot-on;
96		regulator-min-microvolt = <5000000>;
97		regulator-max-microvolt = <5000000>;
98	};
99};
100
101&cpu0 {
102	cpu-supply = <&vdd_arm>;
103};
104
105&cpu1 {
106	cpu-supply = <&vdd_arm>;
107};
108
109&cpu2 {
110	cpu-supply = <&vdd_arm>;
111};
112
113&cpu3 {
114	cpu-supply = <&vdd_arm>;
115};
116
117&gmac2io {
118	assigned-clocks = <&cru SCLK_MAC2IO>, <&cru SCLK_MAC2IO_EXT>;
119	assigned-clock-parents = <&gmac_clk>, <&gmac_clk>;
120	clock_in_out = "input";
121	phy-handle = <&rtl8211e>;
122	phy-mode = "rgmii";
123	phy-supply = <&vcc_io_33>;
124	pinctrl-0 = <&rgmiim1_pins>;
125	pinctrl-names = "default";
126	rx_delay = <0x18>;
127	snps,aal;
128	tx_delay = <0x24>;
129	status = "okay";
130
131	mdio {
132		compatible = "snps,dwmac-mdio";
133		#address-cells = <1>;
134		#size-cells = <0>;
135
136		rtl8211e: ethernet-phy@1 {
137			compatible = "ethernet-phy-id001c.c915",
138				     "ethernet-phy-ieee802.3-c22";
139			reg = <1>;
140			pinctrl-0 = <&eth_phy_reset_pin>;
141			pinctrl-names = "default";
142			reset-assert-us = <10000>;
143			reset-deassert-us = <50000>;
144			reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
145		};
146	};
147};
148
149&i2c1 {
150	status = "okay";
151
152	rk805: pmic@18 {
153		compatible = "rockchip,rk805";
154		reg = <0x18>;
155		interrupt-parent = <&gpio1>;
156		interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
157		#clock-cells = <1>;
158		clock-output-names = "xin32k", "rk805-clkout2";
159		gpio-controller;
160		#gpio-cells = <2>;
161		pinctrl-0 = <&pmic_int_l>;
162		pinctrl-names = "default";
163		rockchip,system-power-controller;
164		wakeup-source;
165
166		vcc1-supply = <&vdd_5v>;
167		vcc2-supply = <&vdd_5v>;
168		vcc3-supply = <&vdd_5v>;
169		vcc4-supply = <&vdd_5v>;
170		vcc5-supply = <&vcc_io_33>;
171		vcc6-supply = <&vdd_5v>;
172
173		regulators {
174			vdd_log: DCDC_REG1 {
175				regulator-name = "vdd_log";
176				regulator-always-on;
177				regulator-boot-on;
178				regulator-min-microvolt = <712500>;
179				regulator-max-microvolt = <1450000>;
180				regulator-ramp-delay = <12500>;
181
182				regulator-state-mem {
183					regulator-on-in-suspend;
184					regulator-suspend-microvolt = <1000000>;
185				};
186			};
187
188			vdd_arm: DCDC_REG2 {
189				regulator-name = "vdd_arm";
190				regulator-always-on;
191				regulator-boot-on;
192				regulator-min-microvolt = <712500>;
193				regulator-max-microvolt = <1450000>;
194				regulator-ramp-delay = <12500>;
195
196				regulator-state-mem {
197					regulator-on-in-suspend;
198					regulator-suspend-microvolt = <950000>;
199				};
200			};
201
202			vcc_ddr: DCDC_REG3 {
203				regulator-name = "vcc_ddr";
204				regulator-always-on;
205				regulator-boot-on;
206
207				regulator-state-mem {
208					regulator-on-in-suspend;
209				};
210			};
211
212			vcc_io_33: DCDC_REG4 {
213				regulator-name = "vcc_io_33";
214				regulator-always-on;
215				regulator-boot-on;
216				regulator-min-microvolt = <3300000>;
217				regulator-max-microvolt = <3300000>;
218
219				regulator-state-mem {
220					regulator-on-in-suspend;
221					regulator-suspend-microvolt = <3300000>;
222				};
223			};
224
225			vcc_18: LDO_REG1 {
226				regulator-name = "vcc_18";
227				regulator-always-on;
228				regulator-boot-on;
229				regulator-min-microvolt = <1800000>;
230				regulator-max-microvolt = <1800000>;
231
232				regulator-state-mem {
233					regulator-on-in-suspend;
234					regulator-suspend-microvolt = <1800000>;
235				};
236			};
237
238			vcc18_emmc: LDO_REG2 {
239				regulator-name = "vcc18_emmc";
240				regulator-always-on;
241				regulator-boot-on;
242				regulator-min-microvolt = <1800000>;
243				regulator-max-microvolt = <1800000>;
244
245				regulator-state-mem {
246					regulator-on-in-suspend;
247					regulator-suspend-microvolt = <1800000>;
248				};
249			};
250
251			vdd_10: LDO_REG3 {
252				regulator-name = "vdd_10";
253				regulator-always-on;
254				regulator-boot-on;
255				regulator-min-microvolt = <1000000>;
256				regulator-max-microvolt = <1000000>;
257
258				regulator-state-mem {
259					regulator-on-in-suspend;
260					regulator-suspend-microvolt = <1000000>;
261				};
262			};
263		};
264	};
265};
266
267&io_domains {
268	pmuio-supply = <&vcc_io_33>;
269	vccio1-supply = <&vcc_io_33>;
270	vccio2-supply = <&vcc18_emmc>;
271	vccio3-supply = <&vcc_io_sdio>;
272	vccio4-supply = <&vcc_18>;
273	vccio5-supply = <&vcc_io_33>;
274	vccio6-supply = <&vcc_io_33>;
275	status = "okay";
276};
277
278&pinctrl {
279	button {
280		reset_button_pin: reset-button-pin {
281			rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
282		};
283	};
284
285	ethernet-phy {
286		eth_phy_reset_pin: eth-phy-reset-pin {
287			rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_down>;
288		};
289	};
290
291	leds {
292		lan_led_pin: lan-led-pin {
293			rockchip,pins = <2 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
294		};
295
296		sys_led_pin: sys-led-pin {
297			rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
298		};
299
300		wan_led_pin: wan-led-pin {
301			rockchip,pins = <2 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
302		};
303	};
304
305	pmic {
306		pmic_int_l: pmic-int-l {
307			rockchip,pins = <1 RK_PD0 RK_FUNC_GPIO &pcfg_pull_up>;
308		};
309	};
310
311	sd {
312		sdio_vcc_pin: sdio-vcc-pin {
313			rockchip,pins = <1 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>;
314		};
315	};
316};
317
318&pwm2 {
319	status = "okay";
320};
321
322&sdmmc {
323	bus-width = <4>;
324	cap-sd-highspeed;
325	disable-wp;
326	pinctrl-0 = <&sdmmc0_clk>, <&sdmmc0_cmd>, <&sdmmc0_dectn>, <&sdmmc0_bus4>;
327	pinctrl-names = "default";
328	sd-uhs-sdr12;
329	sd-uhs-sdr25;
330	sd-uhs-sdr50;
331	sd-uhs-sdr104;
332	vmmc-supply = <&vcc_sd>;
333	vqmmc-supply = <&vcc_io_sdio>;
334	status = "okay";
335};
336
337&tsadc {
338	rockchip,hw-tshut-mode = <0>;
339	rockchip,hw-tshut-polarity = <0>;
340	status = "okay";
341};
342
343&u2phy {
344	status = "okay";
345};
346
347&u2phy_host {
348	status = "okay";
349};
350
351&u2phy_otg {
352	status = "okay";
353};
354
355&uart2 {
356	status = "okay";
357};
358
359&usb20_otg {
360	status = "okay";
361	dr_mode = "host";
362};
363
364&usb_host0_ehci {
365	status = "okay";
366};
367
368&usb_host0_ohci {
369	status = "okay";
370};
371