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.co 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 16 #include <dt-bindings/pwm/pwm.h> 17 18 / { 19 model = "Olimex A20-SOM204-EVB"; 20 compatible = "olimex,a20-olimex-som204 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 = "serial0:115200n 33 }; 34 35 hdmi-connector { 36 compatible = "hdmi-connector"; 37 type = "a"; 38 39 port { 40 hdmi_con_in: endpoint 41 remote-endpoin 42 }; 43 }; 44 }; 45 46 leds { 47 compatible = "gpio-leds"; 48 49 led-0 { 50 label = "a20-som204-ev 51 gpios = <&pio 8 0 GPIO 52 default-state = "on"; 53 }; 54 55 led-1 { 56 label = "a20-som204-ev 57 gpios = <&pio 8 10 GPI 58 default-state = "on"; 59 }; 60 61 led-2 { 62 label = "a20-som204-ev 63 gpios = <&pio 8 11 GPI 64 default-state = "on"; 65 }; 66 }; 67 68 rtl_pwrseq: pwrseq-0 { 69 compatible = "mmc-pwrseq-simpl 70 reset-gpios = <&pio 6 9 GPIO_A 71 }; 72 }; 73 74 &ahci { 75 target-supply = <®_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 = <®_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 = <®_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_i 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 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_ 160 reset-assert-us = <10000>; 161 /* wait 1s after reset, otherw 162 reset-deassert-us = <1000000>; 163 }; 164 }; 165 166 &mmc0 { 167 vmmc-supply = <®_vcc3v3>; 168 bus-width = <4>; 169 cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; 170 status = "okay"; 171 }; 172 173 &mmc3 { 174 vmmc-supply = <®_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 ®_ahci_5v { 215 gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>; 216 status = "okay"; 217 }; 218 219 ®_dcdc2 { 220 regulator-always-on; 221 regulator-min-microvolt = <1000000>; 222 regulator-max-microvolt = <1400000>; 223 regulator-name = "vdd-cpu"; 224 }; 225 226 ®_dcdc3 { 227 regulator-always-on; 228 regulator-min-microvolt = <1000000>; 229 regulator-max-microvolt = <1400000>; 230 regulator-name = "vdd-int-dll"; 231 }; 232 233 ®_ldo1 { 234 regulator-always-on; 235 regulator-min-microvolt = <1300000>; 236 regulator-max-microvolt = <1300000>; 237 regulator-name = "vdd-rtc"; 238 }; 239 240 ®_ldo2 { 241 regulator-always-on; 242 regulator-min-microvolt = <3000000>; 243 regulator-max-microvolt = <3000000>; 244 regulator-name = "avcc"; 245 }; 246 247 ®_ldo4 { 248 regulator-min-microvolt = <3300000>; 249 regulator-max-microvolt = <3300000>; 250 regulator-name = "vcc-pg"; 251 }; 252 253 ®_usb0_vbus { 254 gpio = <&pio 2 17 GPIO_ACTIVE_HIGH>; 255 status = "okay"; 256 }; 257 258 ®_usb1_vbus { 259 status = "okay"; 260 }; 261 262 ®_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_ 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_ACT 320 usb0_vbus_det-gpios = <&pio 7 5 GPIO_A 321 usb0_vbus_power-supply = <&usb_power_s 322 usb0_vbus-supply = <®_usb0_vbus>; 323 usb1_vbus-supply = <®_usb1_vbus>; 324 usb2_vbus-supply = <®_usb2_vbus>; 325 status = "okay"; 326 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.