git.sur5r.net Git - u-boot/blob - arch/arm/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         leds {
  36                 compatible = "gpio-leds";
  37
  38                 stat {
  39                         label = "a20-som204-evb:green:stat";
  40                         gpios = <&pio 8 0 GPIO_ACTIVE_HIGH>;
  41                         default-state = "on";
  42                 };
  43
  44                 led1 {
  45                         label = "a20-som204-evb:green:led1";
  46                         gpios = <&pio 8 10 GPIO_ACTIVE_HIGH>;
  47                         default-state = "on";
  48                 };
  49
  50                 led2 {
  51                         label = "a20-som204-evb:yellow:led2";
  52                         gpios = <&pio 8 11 GPIO_ACTIVE_HIGH>;
  53                         default-state = "on";
  54                 };
  55         };
  56
  57         rtl_pwrseq: rtl_pwrseq {
  58                 compatible = "mmc-pwrseq-simple";
  59                 reset-gpios = <&pio 6 9 GPIO_ACTIVE_LOW>;
  60         };
  61 };
  62
  63 &ahci {
  64         target-supply = <&reg_ahci_5v>;
  65         status = "okay";
  66 };
  67
  68 &codec {
  69         status = "okay";
  70 };
  71
  72 &cpu0 {
  73         cpu-supply = <&reg_dcdc2>;
  74 };
  75
  76 &ehci0 {
  77         status = "okay";
  78 };
  79
  80 &ehci1 {
  81         status = "okay";
  82 };
  83
  84 &gmac {
  85         pinctrl-names = "default";
  86         pinctrl-0 = <&gmac_pins_rgmii_a>;
  87         phy = <&phy3>;
  88         phy-mode = "rgmii";
  89         phy-supply = <&reg_vcc3v3>;
  90
  91         snps,reset-gpio = <&pio 0 17 GPIO_ACTIVE_HIGH>;
  92         snps,reset-active-low;
  93         snps,reset-delays-us = <0 10000 1000000>;
  94         status = "okay";
  95
  96         phy3: ethernet-phy@3 {
  97                 reg = <3>;
  98         };
  99 };
 100
 101 &i2c0 {
 102         pinctrl-names = "default";
 103         pinctrl-0 = <&i2c0_pins_a>;
 104         status = "okay";
 105
 106         axp209: pmic@34 {
 107                 reg = <0x34>;
 108                 interrupt-parent = <&nmi_intc>;
 109                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 110         };
 111 };
 112
 113 /* Exposed to UEXT1 */
 114 &i2c1 {
 115         pinctrl-names = "default";
 116         pinctrl-0 = <&i2c1_pins_a>;
 117         status = "okay";
 118
 119         eeprom: eeprom@50 {
 120                 compatible = "atmel,24c16";
 121                 reg = <0x50>;
 122                 pagesize = <16>;
 123         };
 124 };
 125
 126 /* Exposed to UEXT2 */
 127 &i2c2 {
 128         pinctrl-names = "default";
 129         pinctrl-0 = <&i2c2_pins_a>;
 130         status = "okay";
 131 };
 132
 133 &ir0 {
 134         pinctrl-names = "default";
 135         pinctrl-0 = <&ir0_rx_pins_a>;
 136         status = "okay";
 137 };
 138
 139 &mmc0 {
 140         pinctrl-names = "default";
 141         pinctrl-0 = <&mmc0_pins_a>;
 142         vmmc-supply = <&reg_vcc3v3>;
 143         bus-width = <4>;
 144         cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>;
 145         cd-inverted;
 146         status = "okay";
 147 };
 148
 149 &mmc3 {
 150         pinctrl-names = "default";
 151         pinctrl-0 = <&mmc3_pins_a>;
 152         vmmc-supply = <&reg_vcc3v3>;
 153         mmc-pwrseq = <&rtl_pwrseq>;
 154         bus-width = <4>;
 155         non-removable;
 156         status = "okay";
 157
 158         rtl8723bs: sdio_wifi@1 {
 159                 reg = <1>;
 160         };
 161 };
 162
 163 &ohci0 {
 164         status = "okay";
 165 };
 166
 167 &ohci1 {
 168         status = "okay";
 169 };
 170
 171 &otg_sram {
 172         status = "okay";
 173 };
 174
 175 &pio {
 176         bt_uart_pins: bt_uart_pins@0 {
 177                 pins = "PG6", "PG7", "PG8";
 178                 function = "uart3";
 179         };
 180 };
 181
 182 #include "axp209.dtsi"
 183
 184 &reg_ahci_5v {
 185         gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
 186         status = "okay";
 187 };
 188
 189 &reg_dcdc2 {
 190         regulator-always-on;
 191         regulator-min-microvolt = <1000000>;
 192         regulator-max-microvolt = <1400000>;
 193         regulator-name = "vdd-cpu";
 194 };
 195
 196 &reg_dcdc3 {
 197         regulator-always-on;
 198         regulator-min-microvolt = <1000000>;
 199         regulator-max-microvolt = <1400000>;
 200         regulator-name = "vdd-int-dll";
 201 };
 202
 203 &reg_ldo1 {
 204         regulator-always-on;
 205         regulator-min-microvolt = <1300000>;
 206         regulator-max-microvolt = <1300000>;
 207         regulator-name = "vdd-rtc";
 208 };
 209
 210 &reg_ldo2 {
 211         regulator-always-on;
 212         regulator-min-microvolt = <3000000>;
 213         regulator-max-microvolt = <3000000>;
 214         regulator-name = "avcc";
 215 };
 216
 217 &reg_ldo4 {
 218         regulator-min-microvolt = <3300000>;
 219         regulator-max-microvolt = <3300000>;
 220         regulator-name = "vcc-pg";
 221 };
 222
 223 &reg_usb0_vbus {
 224         gpio = <&pio 2 17 GPIO_ACTIVE_HIGH>;
 225         status = "okay";
 226 };
 227
 228 &reg_usb1_vbus {
 229         status = "okay";
 230 };
 231
 232 &reg_usb2_vbus {
 233         status = "okay";
 234 };
 235
 236 /* Exposed to UEXT1 */
 237 &spi1 {
 238         pinctrl-names = "default";
 239         pinctrl-0 = <&spi1_pins_a>,
 240                     <&spi1_cs0_pins_a>;
 241         status = "okay";
 242 };
 243
 244 /* Exposed to UEXT2 */
 245 &spi2 {
 246         pinctrl-names = "default";
 247         pinctrl-0 = <&spi2_pins_a>,
 248                     <&spi2_cs0_pins_a>;
 249         status = "okay";
 250 };
 251
 252 &uart0 {
 253         pinctrl-names = "default";
 254         pinctrl-0 = <&uart0_pins_a>;
 255         status = "okay";
 256 };
 257
 258 /* Used for RTL8723BS bluetooth */
 259 &uart3 {
 260         pinctrl-names = "default";
 261         pinctrl-0 = <&bt_uart_pins>;
 262         status = "okay";
 263 };
 264
 265 /* Exposed to UEXT1 */
 266 &uart4 {
 267         pinctrl-names = "default";
 268         pinctrl-0 = <&uart4_pins_a>;
 269         status = "okay";
 270 };
 271
 272 /* Exposed to UEXT2 */
 273 &uart7 {
 274         pinctrl-names = "default";
 275         pinctrl-0 = <&uart7_pins_a>;
 276         status = "okay";
 277 };
 278
 279 &usb_otg {
 280         dr_mode = "otg";
 281         status = "okay";
 282 };
 283
 284 &usb_power_supply {
 285         status = "okay";
 286 };
 287
 288 &usbphy {
 289         usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
 290         usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
 291         usb0_vbus_power-supply = <&usb_power_supply>;
 292         usb0_vbus-supply = <&reg_usb0_vbus>;
 293         usb1_vbus-supply = <&reg_usb1_vbus>;
 294         usb2_vbus-supply = <&reg_usb2_vbus>;
 295         status = "okay";
 296 };