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		stat {
50			label = "a20-som204-evb:green:stat";
51			gpios = <&pio 8 0 GPIO_ACTIVE_HIGH>;
52			default-state = "on";
53		};
54
55		led1 {
56			label = "a20-som204-evb:green:led1";
57			gpios = <&pio 8 10 GPIO_ACTIVE_HIGH>;
58			default-state = "on";
59		};
60
61		led2 {
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 = <&can0_pins_a>;
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_pins_rgmii_a>;
108	phy = <&phy3>;
109	phy-mode = "rgmii";
110	phy-supply = <&reg_vcc3v3>;
111
112	snps,reset-gpio = <&pio 0 17 GPIO_ACTIVE_HIGH>;
113	snps,reset-active-low;
114	snps,reset-delays-us = <0 10000 1000000>;
115	status = "okay";
116
117	phy3: ethernet-phy@3 {
118		reg = <3>;
119	};
120};
121
122&hdmi {
123	status = "okay";
124};
125
126&hdmi_out {
127	hdmi_out_con: endpoint {
128		remote-endpoint = <&hdmi_con_in>;
129	};
130};
131
132&i2c0 {
133	pinctrl-names = "default";
134	pinctrl-0 = <&i2c0_pins_a>;
135	status = "okay";
136
137	axp209: pmic@34 {
138		reg = <0x34>;
139		interrupt-parent = <&nmi_intc>;
140		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
141	};
142};
143
144/* Exposed to UEXT1 */
145&i2c1 {
146	pinctrl-names = "default";
147	pinctrl-0 = <&i2c1_pins_a>;
148	status = "okay";
149
150	eeprom: eeprom@50 {
151		compatible = "atmel,24c16";
152		reg = <0x50>;
153		pagesize = <16>;
154	};
155};
156
157/* Exposed to UEXT2 */
158&i2c2 {
159	pinctrl-names = "default";
160	pinctrl-0 = <&i2c2_pins_a>;
161	status = "okay";
162};
163
164&ir0 {
165	pinctrl-names = "default";
166	pinctrl-0 = <&ir0_rx_pins_a>;
167	status = "okay";
168};
169
170&mmc0 {
171	pinctrl-names = "default";
172	pinctrl-0 = <&mmc0_pins_a>;
173	vmmc-supply = <&reg_vcc3v3>;
174	bus-width = <4>;
175	cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>;
176	status = "okay";
177};
178
179&mmc3 {
180	pinctrl-names = "default";
181	pinctrl-0 = <&mmc3_pins_a>;
182	vmmc-supply = <&reg_vcc3v3>;
183	mmc-pwrseq = <&rtl_pwrseq>;
184	bus-width = <4>;
185	non-removable;
186	status = "okay";
187
188	rtl8723bs: sdio_wifi@1 {
189		reg = <1>;
190	};
191};
192
193&ohci0 {
194	status = "okay";
195};
196
197&ohci1 {
198	status = "okay";
199};
200
201&otg_sram {
202	status = "okay";
203};
204
205&pio {
206	bt_uart_pins: bt_uart_pins@0 {
207		pins = "PG6", "PG7", "PG8";
208		function = "uart3";
209	};
210};
211
212#include "axp209.dtsi"
213
214&ac_power_supply {
215	status = "okay";
216};
217
218&battery_power_supply {
219	status = "okay";
220};
221
222&reg_ahci_5v {
223	gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
224	status = "okay";
225};
226
227&reg_dcdc2 {
228	regulator-always-on;
229	regulator-min-microvolt = <1000000>;
230	regulator-max-microvolt = <1400000>;
231	regulator-name = "vdd-cpu";
232};
233
234&reg_dcdc3 {
235	regulator-always-on;
236	regulator-min-microvolt = <1000000>;
237	regulator-max-microvolt = <1400000>;
238	regulator-name = "vdd-int-dll";
239};
240
241&reg_ldo1 {
242	regulator-always-on;
243	regulator-min-microvolt = <1300000>;
244	regulator-max-microvolt = <1300000>;
245	regulator-name = "vdd-rtc";
246};
247
248&reg_ldo2 {
249	regulator-always-on;
250	regulator-min-microvolt = <3000000>;
251	regulator-max-microvolt = <3000000>;
252	regulator-name = "avcc";
253};
254
255&reg_ldo4 {
256	regulator-min-microvolt = <3300000>;
257	regulator-max-microvolt = <3300000>;
258	regulator-name = "vcc-pg";
259};
260
261&reg_usb0_vbus {
262	gpio = <&pio 2 17 GPIO_ACTIVE_HIGH>;
263	status = "okay";
264};
265
266&reg_usb1_vbus {
267	status = "okay";
268};
269
270&reg_usb2_vbus {
271	status = "okay";
272};
273
274/* Exposed to UEXT1 */
275&spi1 {
276	pinctrl-names = "default";
277	pinctrl-0 = <&spi1_pins_a>,
278		    <&spi1_cs0_pins_a>;
279	status = "okay";
280};
281
282/* Exposed to UEXT2 */
283&spi2 {
284	pinctrl-names = "default";
285	pinctrl-0 = <&spi2_pins_a>,
286		    <&spi2_cs0_pins_a>;
287	status = "okay";
288};
289
290&uart0 {
291	pinctrl-names = "default";
292	pinctrl-0 = <&uart0_pins_a>;
293	status = "okay";
294};
295
296/* Used for RTL8723BS bluetooth */
297&uart3 {
298	pinctrl-names = "default";
299	pinctrl-0 = <&bt_uart_pins>;
300	status = "okay";
301};
302
303/* Exposed to UEXT1 */
304&uart4 {
305	pinctrl-names = "default";
306	pinctrl-0 = <&uart4_pins_a>;
307	status = "okay";
308};
309
310/* Exposed to UEXT2 */
311&uart7 {
312	pinctrl-names = "default";
313	pinctrl-0 = <&uart7_pins_a>;
314	status = "okay";
315};
316
317&usb_otg {
318	dr_mode = "otg";
319	status = "okay";
320};
321
322&usb_power_supply {
323	status = "okay";
324};
325
326&usbphy {
327	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
328	usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
329	usb0_vbus_power-supply = <&usb_power_supply>;
330	usb0_vbus-supply = <&reg_usb0_vbus>;
331	usb1_vbus-supply = <&reg_usb1_vbus>;
332	usb2_vbus-supply = <&reg_usb2_vbus>;
333	status = "okay";
334};
335