arch/arm/boot/dts/sun7i-a20-olimex-som204-evb.dts

   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 = <&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 };