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_clk";
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_pin>;
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			reg = <1>;
138			pinctrl-0 = <&eth_phy_reset_pin>;
139			pinctrl-names = "default";
140			reset-assert-us = <10000>;
141			reset-deassert-us = <50000>;
142			reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
143		};
144	};
145};
146
147&i2c1 {
148	status = "okay";
149
150	rk805: pmic@18 {
151		compatible = "rockchip,rk805";
152		reg = <0x18>;
153		interrupt-parent = <&gpio1>;
154		interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
155		#clock-cells = <1>;
156		clock-output-names = "xin32k", "rk805-clkout2";
157		gpio-controller;
158		#gpio-cells = <2>;
159		pinctrl-0 = <&pmic_int_l>;
160		pinctrl-names = "default";
161		rockchip,system-power-controller;
162		wakeup-source;
163
164		vcc1-supply = <&vdd_5v>;
165		vcc2-supply = <&vdd_5v>;
166		vcc3-supply = <&vdd_5v>;
167		vcc4-supply = <&vdd_5v>;
168		vcc5-supply = <&vcc_io_33>;
169		vcc6-supply = <&vdd_5v>;
170
171		regulators {
172			vdd_log: DCDC_REG1 {
173				regulator-name = "vdd_log";
174				regulator-always-on;
175				regulator-boot-on;
176				regulator-min-microvolt = <712500>;
177				regulator-max-microvolt = <1450000>;
178				regulator-ramp-delay = <12500>;
179
180				regulator-state-mem {
181					regulator-on-in-suspend;
182					regulator-suspend-microvolt = <1000000>;
183				};
184			};
185
186			vdd_arm: DCDC_REG2 {
187				regulator-name = "vdd_arm";
188				regulator-always-on;
189				regulator-boot-on;
190				regulator-min-microvolt = <712500>;
191				regulator-max-microvolt = <1450000>;
192				regulator-ramp-delay = <12500>;
193
194				regulator-state-mem {
195					regulator-on-in-suspend;
196					regulator-suspend-microvolt = <950000>;
197				};
198			};
199
200			vcc_ddr: DCDC_REG3 {
201				regulator-name = "vcc_ddr";
202				regulator-always-on;
203				regulator-boot-on;
204
205				regulator-state-mem {
206					regulator-on-in-suspend;
207				};
208			};
209
210			vcc_io_33: DCDC_REG4 {
211				regulator-name = "vcc_io_33";
212				regulator-always-on;
213				regulator-boot-on;
214				regulator-min-microvolt = <3300000>;
215				regulator-max-microvolt = <3300000>;
216
217				regulator-state-mem {
218					regulator-on-in-suspend;
219					regulator-suspend-microvolt = <3300000>;
220				};
221			};
222
223			vcc_18: LDO_REG1 {
224				regulator-name = "vcc_18";
225				regulator-always-on;
226				regulator-boot-on;
227				regulator-min-microvolt = <1800000>;
228				regulator-max-microvolt = <1800000>;
229
230				regulator-state-mem {
231					regulator-on-in-suspend;
232					regulator-suspend-microvolt = <1800000>;
233				};
234			};
235
236			vcc18_emmc: LDO_REG2 {
237				regulator-name = "vcc18_emmc";
238				regulator-always-on;
239				regulator-boot-on;
240				regulator-min-microvolt = <1800000>;
241				regulator-max-microvolt = <1800000>;
242
243				regulator-state-mem {
244					regulator-on-in-suspend;
245					regulator-suspend-microvolt = <1800000>;
246				};
247			};
248
249			vdd_10: LDO_REG3 {
250				regulator-name = "vdd_10";
251				regulator-always-on;
252				regulator-boot-on;
253				regulator-min-microvolt = <1000000>;
254				regulator-max-microvolt = <1000000>;
255
256				regulator-state-mem {
257					regulator-on-in-suspend;
258					regulator-suspend-microvolt = <1000000>;
259				};
260			};
261		};
262	};
263};
264
265&io_domains {
266	pmuio-supply = <&vcc_io_33>;
267	vccio1-supply = <&vcc_io_33>;
268	vccio2-supply = <&vcc18_emmc>;
269	vccio3-supply = <&vcc_io_sdio>;
270	vccio4-supply = <&vcc_18>;
271	vccio5-supply = <&vcc_io_33>;
272	vccio6-supply = <&vcc_io_33>;
273	status = "okay";
274};
275
276&pinctrl {
277	button {
278		reset_button_pin: reset-button-pin {
279			rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
280		};
281	};
282
283	ethernet-phy {
284		eth_phy_reset_pin: eth-phy-reset-pin {
285			rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_down>;
286		};
287	};
288
289	leds {
290		lan_led_pin: lan-led-pin {
291			rockchip,pins = <2 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
292		};
293
294		sys_led_pin: sys-led-pin {
295			rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
296		};
297
298		wan_led_pin: wan-led-pin {
299			rockchip,pins = <2 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
300		};
301	};
302
303	pmic {
304		pmic_int_l: pmic-int-l {
305			rockchip,pins = <1 RK_PD0 RK_FUNC_GPIO &pcfg_pull_up>;
306		};
307	};
308
309	sd {
310		sdio_vcc_pin: sdio-vcc-pin {
311			rockchip,pins = <1 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>;
312		};
313	};
314};
315
316&pwm2 {
317	status = "okay";
318};
319
320&sdmmc {
321	bus-width = <4>;
322	cap-sd-highspeed;
323	disable-wp;
324	pinctrl-0 = <&sdmmc0_clk>, <&sdmmc0_cmd>, <&sdmmc0_dectn>, <&sdmmc0_bus4>;
325	pinctrl-names = "default";
326	sd-uhs-sdr12;
327	sd-uhs-sdr25;
328	sd-uhs-sdr50;
329	sd-uhs-sdr104;
330	vmmc-supply = <&vcc_sd>;
331	vqmmc-supply = <&vcc_io_sdio>;
332	status = "okay";
333};
334
335&tsadc {
336	rockchip,hw-tshut-mode = <0>;
337	rockchip,hw-tshut-polarity = <0>;
338	status = "okay";
339};
340
341&u2phy {
342	status = "okay";
343};
344
345&u2phy_host {
346	status = "okay";
347};
348
349&u2phy_otg {
350	status = "okay";
351};
352
353&uart2 {
354	status = "okay";
355};
356
357&usb20_otg {
358	status = "okay";
359	dr_mode = "host";
360};
361
362&usb_host0_ehci {
363	status = "okay";
364};
365
366&usb_host0_ohci {
367	status = "okay";
368};
369