xref: /openbmc/linux/arch/arm/boot/dts/allwinner/sun7i-a20-olimex-som204-evb.dts (revision 2612e3bbc0386368a850140a6c9b990cd496a5ec) 
1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3  * Device Tree Source for A20-SOM204-EVB Board
4  *
5  * Copyright (C) 2018 Olimex Ltd.
6  *   Author: Stefan Mavrodiev <stefan@olimex.com>
7  */
8 
9 /dts-v1/;
10 #include "sun7i-a20.dtsi"
11 #include "sunxi-common-regulators.dtsi"
12 
13 
14 #include <dt-bindings/gpio/gpio.h>
15 #include <dt-bindings/interrupt-controller/irq.h>
16 #include <dt-bindings/pwm/pwm.h>
17 
18 / {
19 	model = "Olimex A20-SOM204-EVB";
20 	compatible = "olimex,a20-olimex-som204-evb", "allwinner,sun7i-a20";
21 
22 	aliases {
23 		serial0 = &uart0;
24 		serial1 = &uart4;
25 		serial2 = &uart7;
26 		spi0 = &spi1;
27 		spi1 = &spi2;
28 		ethernet1 = &rtl8723bs;
29 	};
30 
31 	chosen {
32 		stdout-path = "serial0:115200n8";
33 	};
34 
35 	hdmi-connector {
36 		compatible = "hdmi-connector";
37 		type = "a";
38 
39 		port {
40 			hdmi_con_in: endpoint {
41 				remote-endpoint = <&hdmi_out_con>;
42 			};
43 		};
44 	};
45 
46 	leds {
47 		compatible = "gpio-leds";
48 
49 		led-0 {
50 			label = "a20-som204-evb:green:stat";
51 			gpios = <&pio 8 0 GPIO_ACTIVE_HIGH>;
52 			default-state = "on";
53 		};
54 
55 		led-1 {
56 			label = "a20-som204-evb:green:led1";
57 			gpios = <&pio 8 10 GPIO_ACTIVE_HIGH>;
58 			default-state = "on";
59 		};
60 
61 		led-2 {
62 			label = "a20-som204-evb:yellow:led2";
63 			gpios = <&pio 8 11 GPIO_ACTIVE_HIGH>;
64 			default-state = "on";
65 		};
66 	};
67 
68 	rtl_pwrseq: rtl_pwrseq {
69 		compatible = "mmc-pwrseq-simple";
70 		reset-gpios = <&pio 6 9 GPIO_ACTIVE_LOW>;
71 	};
72 };
73 
74 &ahci {
75 	target-supply = <&reg_ahci_5v>;
76 	status = "okay";
77 };
78 
79 &can0 {
80 	pinctrl-names = "default";
81 	pinctrl-0 = <&can_ph_pins>;
82 	status = "okay";
83 };
84 
85 &codec {
86 	status = "okay";
87 };
88 
89 &cpu0 {
90 	cpu-supply = <&reg_dcdc2>;
91 };
92 
93 &de {
94 	status = "okay";
95 };
96 
97 &ehci0 {
98 	status = "okay";
99 };
100 
101 &ehci1 {
102 	status = "okay";
103 };
104 
105 &gmac {
106 	pinctrl-names = "default";
107 	pinctrl-0 = <&gmac_rgmii_pins>;
108 	phy-handle = <&phy3>;
109 	phy-mode = "rgmii";
110 	phy-supply = <&reg_vcc3v3>;
111 	status = "okay";
112 };
113 
114 &hdmi {
115 	status = "okay";
116 };
117 
118 &hdmi_out {
119 	hdmi_out_con: endpoint {
120 		remote-endpoint = <&hdmi_con_in>;
121 	};
122 };
123 
124 &i2c0 {
125 	status = "okay";
126 
127 	axp209: pmic@34 {
128 		reg = <0x34>;
129 		interrupt-parent = <&nmi_intc>;
130 		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
131 	};
132 };
133 
134 /* Exposed to UEXT1 */
135 &i2c1 {
136 	status = "okay";
137 
138 	eeprom: eeprom@50 {
139 		compatible = "atmel,24c16";
140 		reg = <0x50>;
141 		pagesize = <16>;
142 	};
143 };
144 
145 /* Exposed to UEXT2 */
146 &i2c2 {
147 	status = "okay";
148 };
149 
150 &ir0 {
151 	pinctrl-names = "default";
152 	pinctrl-0 = <&ir0_rx_pin>;
153 	status = "okay";
154 };
155 
156 &gmac_mdio {
157 	phy3: ethernet-phy@3 {
158 		reg = <3>;
159 		reset-gpios = <&pio 0 17 GPIO_ACTIVE_LOW>; /* PA17 */
160 		reset-assert-us = <10000>;
161 		/* wait 1s after reset, otherwise fail to read phy id */
162 		reset-deassert-us = <1000000>;
163 	};
164 };
165 
166 &mmc0 {
167 	vmmc-supply = <&reg_vcc3v3>;
168 	bus-width = <4>;
169 	cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>;
170 	status = "okay";
171 };
172 
173 &mmc3 {
174 	vmmc-supply = <&reg_vcc3v3>;
175 	mmc-pwrseq = <&rtl_pwrseq>;
176 	bus-width = <4>;
177 	non-removable;
178 	status = "okay";
179 
180 	rtl8723bs: sdio_wifi@1 {
181 		reg = <1>;
182 	};
183 };
184 
185 &ohci0 {
186 	status = "okay";
187 };
188 
189 &ohci1 {
190 	status = "okay";
191 };
192 
193 &otg_sram {
194 	status = "okay";
195 };
196 
197 &pio {
198 	uart3_rts_pin: uart3-rts-pin {
199 		pins = "PG8";
200 		function = "uart3";
201 	};
202 };
203 
204 #include "axp209.dtsi"
205 
206 &ac_power_supply {
207 	status = "okay";
208 };
209 
210 &battery_power_supply {
211 	status = "okay";
212 };
213 
214 &reg_ahci_5v {
215 	gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
216 	status = "okay";
217 };
218 
219 &reg_dcdc2 {
220 	regulator-always-on;
221 	regulator-min-microvolt = <1000000>;
222 	regulator-max-microvolt = <1400000>;
223 	regulator-name = "vdd-cpu";
224 };
225 
226 &reg_dcdc3 {
227 	regulator-always-on;
228 	regulator-min-microvolt = <1000000>;
229 	regulator-max-microvolt = <1400000>;
230 	regulator-name = "vdd-int-dll";
231 };
232 
233 &reg_ldo1 {
234 	regulator-always-on;
235 	regulator-min-microvolt = <1300000>;
236 	regulator-max-microvolt = <1300000>;
237 	regulator-name = "vdd-rtc";
238 };
239 
240 &reg_ldo2 {
241 	regulator-always-on;
242 	regulator-min-microvolt = <3000000>;
243 	regulator-max-microvolt = <3000000>;
244 	regulator-name = "avcc";
245 };
246 
247 &reg_ldo4 {
248 	regulator-min-microvolt = <3300000>;
249 	regulator-max-microvolt = <3300000>;
250 	regulator-name = "vcc-pg";
251 };
252 
253 &reg_usb0_vbus {
254 	gpio = <&pio 2 17 GPIO_ACTIVE_HIGH>;
255 	status = "okay";
256 };
257 
258 &reg_usb1_vbus {
259 	status = "okay";
260 };
261 
262 &reg_usb2_vbus {
263 	status = "okay";
264 };
265 
266 /* Exposed to UEXT1 */
267 &spi1 {
268 	pinctrl-names = "default";
269 	pinctrl-0 = <&spi1_pi_pins>,
270 		    <&spi1_cs0_pi_pin>;
271 	status = "okay";
272 };
273 
274 /* Exposed to UEXT2 */
275 &spi2 {
276 	pinctrl-names = "default";
277 	pinctrl-0 = <&spi2_pc_pins>,
278 		    <&spi2_cs0_pc_pin>;
279 	status = "okay";
280 };
281 
282 &uart0 {
283 	pinctrl-names = "default";
284 	pinctrl-0 = <&uart0_pb_pins>;
285 	status = "okay";
286 };
287 
288 /* Used for RTL8723BS bluetooth */
289 &uart3 {
290 	pinctrl-names = "default";
291 	pinctrl-0 = <&uart3_pg_pins>, <&uart3_rts_pin>;
292 	status = "okay";
293 };
294 
295 /* Exposed to UEXT1 */
296 &uart4 {
297 	pinctrl-names = "default";
298 	pinctrl-0 = <&uart4_pg_pins>;
299 	status = "okay";
300 };
301 
302 /* Exposed to UEXT2 */
303 &uart7 {
304 	pinctrl-names = "default";
305 	pinctrl-0 = <&uart7_pi_pins>;
306 	status = "okay";
307 };
308 
309 &usb_otg {
310 	dr_mode = "otg";
311 	status = "okay";
312 };
313 
314 &usb_power_supply {
315 	status = "okay";
316 };
317 
318 &usbphy {
319 	usb0_id_det-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
320 	usb0_vbus_det-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
321 	usb0_vbus_power-supply = <&usb_power_supply>;
322 	usb0_vbus-supply = <&reg_usb0_vbus>;
323 	usb1_vbus-supply = <&reg_usb1_vbus>;
324 	usb2_vbus-supply = <&reg_usb2_vbus>;
325 	status = "okay";
326 };
327