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