1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  2/*
  3 * Copyright (c) 2018 Oleg Ivanov <balbes-150@yandex.ru>
  4 * Copyright (c) 2018 Martin Blumenstingl <martin.blumenstingl@googlemail.com>
  5 */
  6
  7/dts-v1/;
  8
  9#include "meson8m2.dtsi"
 10
 11#include <dt-bindings/gpio/gpio.h>
 12#include <dt-bindings/input/input.h>
 13
 14/ {
 15	model = "Tronsmart MXIII Plus";
 16	compatible = "tronsmart,mxiii-plus", "amlogic,meson8m2";
 17
 18	aliases {
 19		ethernet0 = &ethmac;
 20		i2c0 = &i2c_AO;
 21		serial0 = &uart_AO;
 22		serial1 = &uart_A;
 23		mmc0 = &sd_card_slot;
 24	};
 25
 26	chosen {
 27		stdout-path = "serial0:115200n8";
 28	};
 29
 30	memory {
 31		device_type = "memory";
 32		reg = <0x40000000 0x80000000>;
 33	};
 34
 35	adc-keys {
 36		compatible = "adc-keys";
 37		io-channels = <&saradc 0>;
 38		io-channel-names = "buttons";
 39		keyup-threshold-microvolt = <1710000>;
 40
 41		button-function {
 42			label = "Function";
 43			linux,code = <KEY_FN>;
 44			press-threshold-microvolt = <10000>;
 45		};
 46	};
 47
 48	iio-hwmon {
 49		compatible = "iio-hwmon";
 50		io-channels = <&saradc 8>;
 51	};
 52
 53	vcc_3v3: regulator-vcc3v3 {
 54		compatible = "regulator-fixed";
 55		regulator-name = "VCC3V3";
 56		regulator-min-microvolt = <3300000>;
 57		regulator-max-microvolt = <3300000>;
 58	};
 59};
 60
 61&cpu0 {
 62	cpu-supply = <&vcck>;
 63};
 64
 65&ethmac {
 66	status = "okay";
 67
 68	pinctrl-0 = <&eth_rgmii_pins>;
 69	pinctrl-names = "default";
 70
 71	phy-handle = <&eth_phy0>;
 72	phy-mode = "rgmii";
 73
 74	amlogic,tx-delay-ns = <4>;
 75
 76	mdio {
 77		compatible = "snps,dwmac-mdio";
 78		#address-cells = <1>;
 79		#size-cells = <0>;
 80
 81		eth_phy0: ethernet-phy@0 {
 82			/* Realtek RTL8211F (0x001cc916) */
 83			reg = <0>;
 84
 85			reset-assert-us = <10000>;
 86			reset-deassert-us = <30000>;
 87			reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
 88		};
 89	};
 90};
 91
 92&ir_receiver {
 93	status = "okay";
 94	pinctrl-0 = <&ir_recv_pins>;
 95	pinctrl-names = "default";
 96};
 97
 98&i2c_AO {
 99	status = "okay";
100	pinctrl-0 = <&i2c_ao_pins>;
101	pinctrl-names = "default";
102
103	pmic@32 {
104		compatible = "ricoh,rn5t618";
105		reg = <0x32>;
106		system-power-controller;
107
108		regulators {
109			vcck: DCDC1 {
110				regulator-name = "VCCK";
111				regulator-min-microvolt = <825000>;
112				regulator-max-microvolt = <1150000>;
113				regulator-boot-on;
114				regulator-always-on;
115			};
116
117			vddee: DCDC2 {
118				/* the output is also used as VDDAO */
119				regulator-name = "VDD_EE";
120				regulator-min-microvolt = <950000>;
121				regulator-max-microvolt = <1150000>;
122				regulator-boot-on;
123				regulator-always-on;
124			};
125
126			DCDC3 {
127				regulator-name = "VDD_DDR";
128				regulator-min-microvolt = <1500000>;
129				regulator-max-microvolt = <1500000>;
130				regulator-boot-on;
131				regulator-always-on;
132			};
133
134			LDO1 {
135				regulator-name = "VDDIO_AO28";
136				regulator-min-microvolt = <2900000>;
137				regulator-max-microvolt = <2900000>;
138				regulator-boot-on;
139				regulator-always-on;
140			};
141
142			vddio_ao1v8: LDO2 {
143				regulator-name = "VDDIO_AO18";
144				regulator-min-microvolt = <1800000>;
145				regulator-max-microvolt = <1800000>;
146				regulator-boot-on;
147				regulator-always-on;
148			};
149
150			LDO3 {
151				regulator-name = "VCC1V8";
152				regulator-min-microvolt = <1800000>;
153				regulator-max-microvolt = <1800000>;
154				regulator-boot-on;
155				regulator-always-on;
156			};
157
158			LDO4 {
159				regulator-name = "VCC2V8";
160				regulator-min-microvolt = <2850000>;
161				regulator-max-microvolt = <2850000>;
162				regulator-boot-on;
163				regulator-always-on;
164			};
165
166			LDO5 {
167				regulator-name = "AVDD1V8";
168				regulator-min-microvolt = <1800000>;
169				regulator-max-microvolt = <1800000>;
170				regulator-boot-on;
171				regulator-always-on;
172			};
173
174			LDORTC1 {
175				regulator-name = "VDD_LDO";
176				regulator-min-microvolt = <2700000>;
177				regulator-max-microvolt = <2700000>;
178				regulator-boot-on;
179				regulator-always-on;
180			};
181
182			LDORTC2 {
183				regulator-name = "RTC_0V9";
184				regulator-min-microvolt = <900000>;
185				regulator-max-microvolt = <900000>;
186				regulator-boot-on;
187				regulator-always-on;
188			};
189		};
190	};
191};
192
193&mali {
194	mali-supply = <&vddee>;
195};
196
197&saradc {
198	status = "okay";
199	vref-supply = <&vddio_ao1v8>;
200};
201
202&sdio {
203	status = "okay";
204
205	pinctrl-0 = <&sd_b_pins>;
206	pinctrl-names = "default";
207
208	/* SD card */
209	sd_card_slot: slot@1 {
210		compatible = "mmc-slot";
211		reg = <1>;
212		status = "okay";
213
214		bus-width = <4>;
215		no-sdio;
216		cap-mmc-highspeed;
217		cap-sd-highspeed;
218		disable-wp;
219
220		cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
221
222		vmmc-supply = <&vcc_3v3>;
223	};
224};
225
226/* connected to the Bluetooth module */
227&uart_A {
228	status = "okay";
229	pinctrl-0 = <&uart_a1_pins>, <&uart_a1_cts_rts_pins>;
230	pinctrl-names = "default";
231	uart-has-rtscts;
232};
233
234&uart_AO {
235	status = "okay";
236	pinctrl-0 = <&uart_ao_a_pins>;
237	pinctrl-names = "default";
238};
239
240&usb0 {
241	status = "okay";
242};
243
244&usb1 {
245	status = "okay";
246};
247
248&usb0_phy {
249	status = "okay";
250};
251
252&usb1_phy {
253	status = "okay";
254};