xref: /linux/arch/arm64/boot/dts/rockchip/rk3368-r88.dts (revision 7f71507851fc7764b36a3221839607d3a45c2025)
1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (c) 2015 Heiko Stuebner <heiko@sntech.de>
4 */
5
6/dts-v1/;
7#include "rk3368.dtsi"
8#include <dt-bindings/input/input.h>
9
10/ {
11	model = "Rockchip R88";
12	compatible = "rockchip,r88", "rockchip,rk3368";
13
14	aliases {
15		ethernet0 = &gmac;
16		mmc0 = &sdio0;
17		mmc1 = &emmc;
18	};
19
20	chosen {
21		stdout-path = "serial2:115200n8";
22	};
23
24	memory@0 {
25		device_type = "memory";
26		reg = <0x0 0x0 0x0 0x40000000>;
27	};
28
29	emmc_pwrseq: emmc-pwrseq {
30		compatible = "mmc-pwrseq-emmc";
31		pinctrl-0 = <&emmc_reset>;
32		pinctrl-names = "default";
33		reset-gpios = <&gpio2 RK_PA3 GPIO_ACTIVE_HIGH>;
34	};
35
36	keys: gpio-keys {
37		compatible = "gpio-keys";
38		pinctrl-names = "default";
39		pinctrl-0 = <&pwr_key>;
40
41		key-power {
42			wakeup-source;
43			gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_LOW>;
44			label = "GPIO Power";
45			linux,code = <KEY_POWER>;
46		};
47	};
48
49	leds: gpio-leds {
50		compatible = "gpio-leds";
51
52		work_led: led-0 {
53			gpios = <&gpio3 RK_PD5 GPIO_ACTIVE_HIGH>;
54			label = "r88:green:led";
55			pinctrl-names = "default";
56			pinctrl-0 = <&led_ctl>;
57		};
58	};
59
60	ir: ir-receiver {
61		compatible = "gpio-ir-receiver";
62		gpios = <&gpio3 RK_PD6 GPIO_ACTIVE_LOW>;
63		pinctrl-names = "default";
64		pinctrl-0 = <&ir_int>;
65	};
66
67	sdio_pwrseq: sdio-pwrseq {
68		compatible = "mmc-pwrseq-simple";
69		clocks = <&hym8563>;
70		clock-names = "ext_clock";
71		pinctrl-names = "default";
72		pinctrl-0 = <&bt_rst>, <&wifi_reg_on>;
73
74		reset-gpios =
75			/* BT_RST_N */
76			<&gpio3 RK_PA5 GPIO_ACTIVE_LOW>,
77
78			/* WL_REG_ON */
79			<&gpio3 RK_PA4 GPIO_ACTIVE_LOW>;
80	};
81
82	vcc_18: regulator-vcc18 {
83		compatible = "regulator-fixed";
84		regulator-name = "vcc_18";
85		regulator-min-microvolt = <1800000>;
86		regulator-max-microvolt = <1800000>;
87		regulator-always-on;
88		regulator-boot-on;
89		vin-supply = <&vcc_sys>;
90	};
91
92	/* supplies both host and otg */
93	vcc_host: regulator-vcc-host {
94		compatible = "regulator-fixed";
95		enable-active-high;
96		gpio = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
97		pinctrl-names = "default";
98		pinctrl-0 = <&host_vbus_drv>;
99		regulator-name = "vcc_host";
100		regulator-always-on;
101		regulator-boot-on;
102		vin-supply = <&vcc_sys>;
103	};
104
105	vcc_io: regulator-vcc-io {
106		compatible = "regulator-fixed";
107		regulator-name = "vcc_io";
108		regulator-min-microvolt = <3300000>;
109		regulator-max-microvolt = <3300000>;
110		regulator-always-on;
111		regulator-boot-on;
112		vin-supply = <&vcc_sys>;
113	};
114
115	vcc_lan: regulator-vcc-lan {
116		compatible = "regulator-fixed";
117		regulator-name = "vcc_lan";
118		regulator-min-microvolt = <3300000>;
119		regulator-max-microvolt = <3300000>;
120		regulator-always-on;
121		regulator-boot-on;
122		vin-supply = <&vcc_io>;
123	};
124
125	vcc_sys: regulator-vcc-sys {
126		compatible = "regulator-fixed";
127		regulator-name = "vcc_sys";
128		regulator-min-microvolt = <5000000>;
129		regulator-max-microvolt = <5000000>;
130		regulator-always-on;
131		regulator-boot-on;
132	};
133
134	vccio_wl: regulator-vccio-wl {
135		compatible = "regulator-fixed";
136		regulator-name = "vccio_wl";
137		regulator-min-microvolt = <3300000>;
138		regulator-max-microvolt = <3300000>;
139		regulator-always-on;
140		regulator-boot-on;
141		vin-supply = <&vcc_io>;
142	};
143
144	vdd_10: regulator-vdd-10 {
145		compatible = "regulator-fixed";
146		regulator-name = "vdd_10";
147		regulator-min-microvolt = <1000000>;
148		regulator-max-microvolt = <1000000>;
149		regulator-always-on;
150		regulator-boot-on;
151		vin-supply = <&vcc_sys>;
152	};
153};
154
155&emmc {
156	bus-width = <8>;
157	cap-mmc-highspeed;
158	mmc-pwrseq = <&emmc_pwrseq>;
159	non-removable;
160	pinctrl-names = "default";
161	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
162	status = "okay";
163};
164
165&gmac {
166	phy-supply = <&vcc_lan>;
167	phy-mode = "rmii";
168	clock_in_out = "output";
169	snps,reset-gpio = <&gpio3 RK_PB4 GPIO_ACTIVE_HIGH>;
170	snps,reset-active-low;
171	snps,reset-delays-us = <0 10000 1000000>;
172	pinctrl-names = "default";
173	pinctrl-0 = <&rmii_pins>;
174	tx_delay = <0x30>;
175	rx_delay = <0x10>;
176	status = "okay";
177};
178
179&i2c0 {
180	status = "okay";
181
182	vdd_cpu: syr827@40 {
183		compatible = "silergy,syr827";
184		reg = <0x40>;
185		fcs,suspend-voltage-selector = <1>;
186		regulator-name = "vdd_cpu";
187		regulator-enable-ramp-delay = <300>;
188		regulator-min-microvolt = <712500>;
189		regulator-max-microvolt = <1500000>;
190		regulator-ramp-delay = <8000>;
191		regulator-always-on;
192		regulator-boot-on;
193		vin-supply = <&vcc_sys>;
194	};
195
196	hym8563: rtc@51 {
197		compatible = "haoyu,hym8563";
198		reg = <0x51>;
199		#clock-cells = <0>;
200		clock-output-names = "xin32k";
201		/* rtc_int is not connected */
202	};
203};
204
205&io_domains {
206	status = "okay";
207
208	audio-supply = <&vcc_io>;
209	gpio30-supply = <&vcc_io>;
210	gpio1830-supply = <&vcc_io>;
211	wifi-supply = <&vccio_wl>;
212};
213
214&sdio0 {
215	assigned-clocks = <&cru SCLK_SDIO0>;
216	assigned-clock-parents = <&cru PLL_CPLL>;
217	bus-width = <4>;
218	cap-sd-highspeed;
219	cap-sdio-irq;
220	keep-power-in-suspend;
221	mmc-pwrseq = <&sdio_pwrseq>;
222	non-removable;
223	pinctrl-names = "default";
224	pinctrl-0 = <&sdio0_clk &sdio0_cmd &sdio0_bus4>;
225	vmmc-supply = <&vcc_io>;
226	vqmmc-supply = <&vccio_wl>;
227	status = "okay";
228};
229
230&pinctrl {
231	pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
232		bias-disable;
233		drive-strength = <8>;
234	};
235
236	pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
237		bias-pull-up;
238		drive-strength = <8>;
239	};
240
241	emmc {
242		emmc_bus8: emmc-bus8 {
243			rockchip,pins = <1 RK_PC2 2 &pcfg_pull_up_drv_8ma>,
244					<1 RK_PC3 2 &pcfg_pull_up_drv_8ma>,
245					<1 RK_PC4 2 &pcfg_pull_up_drv_8ma>,
246					<1 RK_PC5 2 &pcfg_pull_up_drv_8ma>,
247					<1 RK_PC6 2 &pcfg_pull_up_drv_8ma>,
248					<1 RK_PC7 2 &pcfg_pull_up_drv_8ma>,
249					<1 RK_PD0 2 &pcfg_pull_up_drv_8ma>,
250					<1 RK_PD1 2 &pcfg_pull_up_drv_8ma>;
251		};
252
253		emmc-clk {
254			rockchip,pins = <2 RK_PA4 2 &pcfg_pull_none_drv_8ma>;
255		};
256
257		emmc-cmd {
258			rockchip,pins = <1 RK_PD2 2 &pcfg_pull_up_drv_8ma>;
259		};
260
261		emmc_reset: emmc-reset {
262			rockchip,pins = <2 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
263		};
264	};
265
266	ir {
267		ir_int: ir-int {
268			rockchip,pins = <3 RK_PD6 RK_FUNC_GPIO &pcfg_pull_up>;
269		};
270	};
271
272	keys {
273		pwr_key: pwr-key {
274			rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>;
275		};
276	};
277
278	leds {
279		stby_pwren: stby-pwren {
280			rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
281		};
282
283		led_ctl: led-ctl {
284			rockchip,pins = <3 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>;
285		};
286	};
287
288	sdio {
289		wifi_reg_on: wifi-reg-on {
290			rockchip,pins = <3 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
291		};
292
293		bt_rst: bt-rst {
294			rockchip,pins = <3 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
295		};
296	};
297
298	usb {
299		host_vbus_drv: host-vbus-drv {
300			rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
301		};
302	};
303};
304
305&pmu_io_domains {
306	status = "okay";
307
308	pmu-supply = <&vcc_io>;
309	vop-supply = <&vcc_io>;
310};
311
312&saradc {
313	vref-supply = <&vcc_18>;
314	status = "okay";
315};
316
317&tsadc {
318	rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */
319	rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */
320	status = "okay";
321};
322
323&uart2 {
324	status = "okay";
325};
326
327&usb_host0_ehci {
328	status = "okay";
329};
330
331&usb_otg {
332	dr_mode = "host";
333	status = "okay";
334};
335
336&wdt {
337	status = "okay";
338};
339