xref: /linux/arch/arm/boot/dts/amlogic/meson8-fernsehfee3.dts (revision ec71f661a572a770d7c861cd52a50cbbb0e1a8d1) 
1// SPDX-License-Identifier: GPL-2.0-only OR MIT
2// Copyright (C) 2025 J. Neuschäfer <j.ne@posteo.net>
3
4/dts-v1/;
5
6#include <dt-bindings/gpio/gpio.h>
7#include <dt-bindings/input/linux-event-codes.h>
8#include <dt-bindings/leds/common.h>
9
10#include "meson8.dtsi"
11
12/ {
13	model = "Fernsehfee 3.0";
14	compatible = "tcu,fernsehfee3", "amlogic,meson8";
15
16	aliases {
17		serial0 = &uart_AO;
18		gpiochip0 = &gpio;
19		gpiochip1 = &gpio_ao;
20		i2c0 = &i2c_AO;
21		i2c1 = &i2c_B;
22		mmc0 = &sdhc;
23		mmc1 = &sdio;
24	};
25
26	chosen {
27		stdout-path = "serial0:115200n8";
28	};
29
30	memory@0 {
31		device_type = "memory";
32		reg = <0x0 0x40000000>;  /* 1 GiB */
33	};
34
35	gpio-keys {
36		compatible = "gpio-keys-polled";
37		poll-interval = <100>;
38
39		power-button {
40			label = "Power button";
41			linux,code = <KEY_POWER>;
42			gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_LOW>;
43		};
44	};
45
46	leds {
47		compatible = "gpio-leds";
48
49		led-0 {
50			/*
51			 * The power LED can be turned red, otherwise it is green.
52			 */
53			gpios = <&gpio_ao GPIO_TEST_N GPIO_ACTIVE_LOW>;
54			function = LED_FUNCTION_POWER;
55			color = <LED_COLOR_ID_RED>;
56		};
57	};
58
59	vcc_5v: regulator-5v {
60		/* 5V rail, always on as long as the system is running */
61		compatible = "regulator-fixed";
62		regulator-name = "5V";
63		regulator-min-microvolt = <5000000>;
64		regulator-max-microvolt = <5000000>;
65		regulator-always-on;
66	};
67
68	vcc_3v3: regulator-3v3 {
69		/* Chipown AP2420 step-down converter */
70		compatible = "regulator-fixed";
71		regulator-name = "3.3V";
72		regulator-min-microvolt = <3300000>;
73		regulator-max-microvolt = <3300000>;
74		vin-supply = <&vcc_5v>;
75	};
76
77	wifi_3v3: regulator-wifi {
78		compatible = "regulator-fixed";
79		regulator-name = "3.3V-WIFI";
80		regulator-min-microvolt = <3300000>;
81		regulator-max-microvolt = <3300000>;
82		vin-supply = <&vcc_3v3>;
83		gpio = <&gpio GPIOX_11 GPIO_ACTIVE_HIGH>;
84		enable-active-high;
85	};
86};
87
88&cpu0 {
89	cpu-supply = <&vcck>;
90};
91
92&ethmac {
93	status = "okay";
94	pinctrl-0 = <&eth_pins>;
95	pinctrl-names = "default";
96	phy-handle = <&eth_phy0>;
97	phy-mode = "rmii";
98
99	mdio {
100		compatible = "snps,dwmac-mdio";
101		#address-cells = <1>;
102		#size-cells = <0>;
103
104		eth_phy0: ethernet-phy@0 {
105			/* IC Plus IP101A (0x02430c54) */
106			reg = <0>;
107
108			reset-assert-us = <10000>;
109			reset-deassert-us = <10000>;
110			reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
111		};
112	};
113};
114
115&i2c_AO {
116	status = "okay";
117	pinctrl-0 = <&i2c_ao_pins>;
118	pinctrl-names = "default";
119
120	pmic@32 {
121		compatible = "ricoh,rn5t618";
122		reg = <0x32>;
123		system-power-controller;
124
125		regulators {
126			vcck: DCDC1 {
127				regulator-name = "VCCK";
128				regulator-min-microvolt = <825000>;
129				regulator-max-microvolt = <1150000>;
130				regulator-boot-on;
131				regulator-always-on;
132			};
133
134			vddee: DCDC2 {
135				/* the output is also used as VDDAO */
136				regulator-name = "VDD_EE";
137				regulator-min-microvolt = <950000>;
138				regulator-max-microvolt = <1150000>;
139				regulator-boot-on;
140				regulator-always-on;
141			};
142
143			DCDC3 {
144				regulator-name = "VDD_DDR";
145				regulator-min-microvolt = <1500000>;
146				regulator-max-microvolt = <1500000>;
147				regulator-boot-on;
148				regulator-always-on;
149			};
150
151			LDO1 {
152				regulator-name = "VDDIO_AO28";
153				regulator-min-microvolt = <2900000>;
154				regulator-max-microvolt = <2900000>;
155				regulator-boot-on;
156				regulator-always-on;
157			};
158
159			LDO2 {
160				regulator-name = "VDDIO_AO18";
161				regulator-min-microvolt = <1800000>;
162				regulator-max-microvolt = <1800000>;
163				regulator-boot-on;
164				regulator-always-on;
165			};
166
167			vcc1v8_usb: LDO3 {
168				regulator-name = "VCC1V8_USB";
169				regulator-min-microvolt = <1800000>;
170				regulator-max-microvolt = <1800000>;
171				regulator-boot-on;
172			};
173
174			LDO4 {
175				/* This one appears to be unused */
176				regulator-name = "VCC2V8";
177				regulator-min-microvolt = <2850000>;
178				regulator-max-microvolt = <2850000>;
179			};
180
181			LDO5 {
182				regulator-name = "AVDD1V8";
183				regulator-min-microvolt = <1800000>;
184				regulator-max-microvolt = <1800000>;
185				regulator-boot-on;
186				regulator-always-on;
187			};
188
189			LDORTC1 {
190				regulator-name = "VDD_LDO";
191				regulator-min-microvolt = <2700000>;
192				regulator-max-microvolt = <2700000>;
193				regulator-boot-on;
194				regulator-always-on;
195			};
196
197			LDORTC2 {
198				regulator-name = "RTC_0V9";
199				regulator-min-microvolt = <900000>;
200				regulator-max-microvolt = <900000>;
201				regulator-boot-on;
202				regulator-always-on;
203			};
204		};
205	};
206
207	eeprom@50 {
208		/* Fairchild FM24C08A */
209		compatible = "atmel,24c08";
210		reg = <0x50>;
211		pagesize = <16>;
212		wp-gpios = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
213		num-addresses = <4>;
214	};
215};
216
217&i2c_B {
218	status = "okay";
219	pinctrl-0 = <&i2c_b_pins>;
220	pinctrl-names = "default";
221
222	/* TODO: SiI9293 HDMI receiver @ 0x39 */
223};
224
225&mali {
226	mali-supply = <&vddee>;
227};
228
229&sdhc {
230	status = "okay";
231	pinctrl-0 = <&sdxc_c_pins>;
232	pinctrl-names = "default";
233
234	/* eMMC */
235	bus-width = <8>;
236	max-frequency = <100000000>;
237
238	disable-wp;
239	cap-mmc-highspeed;
240	mmc-hs200-1_8v;
241	no-sdio;
242
243	vmmc-supply = <&vcc_3v3>;
244	vqmmc-supply = <&vcc_3v3>;
245};
246
247&sdio {
248	status = "okay";
249	pinctrl-0 = <&sd_b_pins>;
250
251	/* SD card */
252	slot@1 {
253		compatible = "mmc-slot";
254		reg = <1>;
255		status = "okay";
256
257		bus-width = <4>;
258		cap-mmc-highspeed;
259		cap-sd-highspeed;
260		disable-wp;
261
262		cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
263
264		vmmc-supply = <&vcc_3v3>;
265	};
266};
267
268&uart_AO {
269	status = "okay";
270	pinctrl-0 = <&uart_ao_a_pins>;
271	pinctrl-names = "default";
272};
273
274&usb0 {
275	status = "okay";
276};
277
278&usb0_phy {
279	status = "okay";
280	phy-supply = <&vcc1v8_usb>;
281};
282
283&usb1 {
284	status = "okay";
285	dr_mode = "host";
286	#address-cells = <1>;
287	#size-cells = <0>;
288
289	wifi: wifi@1 {
290		/* Realtek RTL8188 2.4GHz WiFi module */
291		compatible = "usbbda,179";
292		reg = <1>;
293		vdd-supply = <&wifi_3v3>;
294	};
295};
296
297&usb1_phy {
298	status = "okay";
299	phy-supply = <&vcc1v8_usb>;
300};
301
302&ir_receiver {
303	status = "okay";
304	pinctrl-0 = <&ir_recv_pins>;
305	pinctrl-names = "default";
306};
307