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_HIGH>;
176	cd-inverted;
177	status = "okay";
178};
179
180&mmc3 {
181	pinctrl-names = "default";
182	pinctrl-0 = <&mmc3_pins_a>;
183	vmmc-supply = <&reg_vcc3v3>;
184	mmc-pwrseq = <&rtl_pwrseq>;
185	bus-width = <4>;
186	non-removable;
187	status = "okay";
188
189	rtl8723bs: sdio_wifi@1 {
190		reg = <1>;
191	};
192};
193
194&ohci0 {
195	status = "okay";
196};
197
198&ohci1 {
199	status = "okay";
200};
201
202&otg_sram {
203	status = "okay";
204};
205
206&pio {
207	bt_uart_pins: bt_uart_pins@0 {
208		pins = "PG6", "PG7", "PG8";
209		function = "uart3";
210	};
211};
212
213#include "axp209.dtsi"
214
215&ac_power_supply {
216	status = "okay";
217};
218
219&battery_power_supply {
220	status = "okay";
221};
222
223&reg_ahci_5v {
224	gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
225	status = "okay";
226};
227
228&reg_dcdc2 {
229	regulator-always-on;
230	regulator-min-microvolt = <1000000>;
231	regulator-max-microvolt = <1400000>;
232	regulator-name = "vdd-cpu";
233};
234
235&reg_dcdc3 {
236	regulator-always-on;
237	regulator-min-microvolt = <1000000>;
238	regulator-max-microvolt = <1400000>;
239	regulator-name = "vdd-int-dll";
240};
241
242&reg_ldo1 {
243	regulator-always-on;
244	regulator-min-microvolt = <1300000>;
245	regulator-max-microvolt = <1300000>;
246	regulator-name = "vdd-rtc";
247};
248
249&reg_ldo2 {
250	regulator-always-on;
251	regulator-min-microvolt = <3000000>;
252	regulator-max-microvolt = <3000000>;
253	regulator-name = "avcc";
254};
255
256&reg_ldo4 {
257	regulator-min-microvolt = <3300000>;
258	regulator-max-microvolt = <3300000>;
259	regulator-name = "vcc-pg";
260};
261
262&reg_usb0_vbus {
263	gpio = <&pio 2 17 GPIO_ACTIVE_HIGH>;
264	status = "okay";
265};
266
267&reg_usb1_vbus {
268	status = "okay";
269};
270
271&reg_usb2_vbus {
272	status = "okay";
273};
274
275/* Exposed to UEXT1 */
276&spi1 {
277	pinctrl-names = "default";
278	pinctrl-0 = <&spi1_pins_a>,
279		    <&spi1_cs0_pins_a>;
280	status = "okay";
281};
282
283/* Exposed to UEXT2 */
284&spi2 {
285	pinctrl-names = "default";
286	pinctrl-0 = <&spi2_pins_a>,
287		    <&spi2_cs0_pins_a>;
288	status = "okay";
289};
290
291&uart0 {
292	pinctrl-names = "default";
293	pinctrl-0 = <&uart0_pins_a>;
294	status = "okay";
295};
296
297/* Used for RTL8723BS bluetooth */
298&uart3 {
299	pinctrl-names = "default";
300	pinctrl-0 = <&bt_uart_pins>;
301	status = "okay";
302};
303
304/* Exposed to UEXT1 */
305&uart4 {
306	pinctrl-names = "default";
307	pinctrl-0 = <&uart4_pins_a>;
308	status = "okay";
309};
310
311/* Exposed to UEXT2 */
312&uart7 {
313	pinctrl-names = "default";
314	pinctrl-0 = <&uart7_pins_a>;
315	status = "okay";
316};
317
318&usb_otg {
319	dr_mode = "otg";
320	status = "okay";
321};
322
323&usb_power_supply {
324	status = "okay";
325};
326
327&usbphy {
328	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
329	usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
330	usb0_vbus_power-supply = <&usb_power_supply>;
331	usb0_vbus-supply = <&reg_usb0_vbus>;
332	usb1_vbus-supply = <&reg_usb1_vbus>;
333	usb2_vbus-supply = <&reg_usb2_vbus>;
334	status = "okay";
335};