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TOMOYO Linux Cross Reference
Linux/arch/arm/boot/dts/allwinner/sun7i-a20-olimex-som204-evb.dts

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  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: pwrseq-0 {
 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: 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 };
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