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

0001 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
0002 /*
0003  * Device Tree Source for A20-SOM204-EVB Board
0004  *
0005  * Copyright (C) 2018 Olimex Ltd.
0006  *   Author: Stefan Mavrodiev <stefan@olimex.com>
0007  */
0008
0009 /dts-v1/;
0010 #include "sun7i-a20.dtsi"
0011 #include "sunxi-common-regulators.dtsi"
0012
0013
0014 #include <dt-bindings/gpio/gpio.h>
0015 #include <dt-bindings/interrupt-controller/irq.h>
0016 #include <dt-bindings/pwm/pwm.h>
0017
0018 / {
0019         model = "Olimex A20-SOM204-EVB";
0020         compatible = "olimex,a20-olimex-som204-evb", "allwinner,sun7i-a20";
0021
0022         aliases {
0023                 serial0 = &uart0;
0024                 serial1 = &uart4;
0025                 serial2 = &uart7;
0026                 spi0 = &spi1;
0027                 spi1 = &spi2;
0028                 ethernet1 = &rtl8723bs;
0029         };
0030
0031         chosen {
0032                 stdout-path = "serial0:115200n8";
0033         };
0034
0035         hdmi-connector {
0036                 compatible = "hdmi-connector";
0037                 type = "a";
0038
0039                 port {
0040                         hdmi_con_in: endpoint {
0041                                 remote-endpoint = <&hdmi_out_con>;
0042                         };
0043                 };
0044         };
0045
0046         leds {
0047                 compatible = "gpio-leds";
0048
0049                 led-0 {
0050                         label = "a20-som204-evb:green:stat";
0051                         gpios = <&pio 8 0 GPIO_ACTIVE_HIGH>;
0052                         default-state = "on";
0053                 };
0054
0055                 led-1 {
0056                         label = "a20-som204-evb:green:led1";
0057                         gpios = <&pio 8 10 GPIO_ACTIVE_HIGH>;
0058                         default-state = "on";
0059                 };
0060
0061                 led-2 {
0062                         label = "a20-som204-evb:yellow:led2";
0063                         gpios = <&pio 8 11 GPIO_ACTIVE_HIGH>;
0064                         default-state = "on";
0065                 };
0066         };
0067
0068         rtl_pwrseq: rtl_pwrseq {
0069                 compatible = "mmc-pwrseq-simple";
0070                 reset-gpios = <&pio 6 9 GPIO_ACTIVE_LOW>;
0071         };
0072 };
0073
0074 &ahci {
0075         target-supply = <&reg_ahci_5v>;
0076         status = "okay";
0077 };
0078
0079 &can0 {
0080         pinctrl-names = "default";
0081         pinctrl-0 = <&can_ph_pins>;
0082         status = "okay";
0083 };
0084
0085 &codec {
0086         status = "okay";
0087 };
0088
0089 &cpu0 {
0090         cpu-supply = <&reg_dcdc2>;
0091 };
0092
0093 &de {
0094         status = "okay";
0095 };
0096
0097 &ehci0 {
0098         status = "okay";
0099 };
0100
0101 &ehci1 {
0102         status = "okay";
0103 };
0104
0105 &gmac {
0106         pinctrl-names = "default";
0107         pinctrl-0 = <&gmac_rgmii_pins>;
0108         phy-handle = <&phy3>;
0109         phy-mode = "rgmii";
0110         phy-supply = <&reg_vcc3v3>;
0111         status = "okay";
0112 };
0113
0114 &hdmi {
0115         status = "okay";
0116 };
0117
0118 &hdmi_out {
0119         hdmi_out_con: endpoint {
0120                 remote-endpoint = <&hdmi_con_in>;
0121         };
0122 };
0123
0124 &i2c0 {
0125         status = "okay";
0126
0127         axp209: pmic@34 {
0128                 reg = <0x34>;
0129                 interrupt-parent = <&nmi_intc>;
0130                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
0131         };
0132 };
0133
0134 /* Exposed to UEXT1 */
0135 &i2c1 {
0136         status = "okay";
0137
0138         eeprom: eeprom@50 {
0139                 compatible = "atmel,24c16";
0140                 reg = <0x50>;
0141                 pagesize = <16>;
0142         };
0143 };
0144
0145 /* Exposed to UEXT2 */
0146 &i2c2 {
0147         status = "okay";
0148 };
0149
0150 &ir0 {
0151         pinctrl-names = "default";
0152         pinctrl-0 = <&ir0_rx_pin>;
0153         status = "okay";
0154 };
0155
0156 &gmac_mdio {
0157         phy3: ethernet-phy@3 {
0158                 reg = <3>;
0159                 reset-gpios = <&pio 0 17 GPIO_ACTIVE_LOW>; /* PA17 */
0160                 reset-assert-us = <10000>;
0161                 /* wait 1s after reset, otherwise fail to read phy id */
0162                 reset-deassert-us = <1000000>;
0163         };
0164 };
0165
0166 &mmc0 {
0167         vmmc-supply = <&reg_vcc3v3>;
0168         bus-width = <4>;
0169         cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>;
0170         status = "okay";
0171 };
0172
0173 &mmc3 {
0174         vmmc-supply = <&reg_vcc3v3>;
0175         mmc-pwrseq = <&rtl_pwrseq>;
0176         bus-width = <4>;
0177         non-removable;
0178         status = "okay";
0179
0180         rtl8723bs: sdio_wifi@1 {
0181                 reg = <1>;
0182         };
0183 };
0184
0185 &ohci0 {
0186         status = "okay";
0187 };
0188
0189 &ohci1 {
0190         status = "okay";
0191 };
0192
0193 &otg_sram {
0194         status = "okay";
0195 };
0196
0197 &pio {
0198         uart3_rts_pin: uart3-rts-pin {
0199                 pins = "PG8";
0200                 function = "uart3";
0201         };
0202 };
0203
0204 #include "axp209.dtsi"
0205
0206 &ac_power_supply {
0207         status = "okay";
0208 };
0209
0210 &battery_power_supply {
0211         status = "okay";
0212 };
0213
0214 &reg_ahci_5v {
0215         gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
0216         status = "okay";
0217 };
0218
0219 &reg_dcdc2 {
0220         regulator-always-on;
0221         regulator-min-microvolt = <1000000>;
0222         regulator-max-microvolt = <1400000>;
0223         regulator-name = "vdd-cpu";
0224 };
0225
0226 &reg_dcdc3 {
0227         regulator-always-on;
0228         regulator-min-microvolt = <1000000>;
0229         regulator-max-microvolt = <1400000>;
0230         regulator-name = "vdd-int-dll";
0231 };
0232
0233 &reg_ldo1 {
0234         regulator-always-on;
0235         regulator-min-microvolt = <1300000>;
0236         regulator-max-microvolt = <1300000>;
0237         regulator-name = "vdd-rtc";
0238 };
0239
0240 &reg_ldo2 {
0241         regulator-always-on;
0242         regulator-min-microvolt = <3000000>;
0243         regulator-max-microvolt = <3000000>;
0244         regulator-name = "avcc";
0245 };
0246
0247 &reg_ldo4 {
0248         regulator-min-microvolt = <3300000>;
0249         regulator-max-microvolt = <3300000>;
0250         regulator-name = "vcc-pg";
0251 };
0252
0253 &reg_usb0_vbus {
0254         gpio = <&pio 2 17 GPIO_ACTIVE_HIGH>;
0255         status = "okay";
0256 };
0257
0258 &reg_usb1_vbus {
0259         status = "okay";
0260 };
0261
0262 &reg_usb2_vbus {
0263         status = "okay";
0264 };
0265
0266 /* Exposed to UEXT1 */
0267 &spi1 {
0268         pinctrl-names = "default";
0269         pinctrl-0 = <&spi1_pi_pins>,
0270                     <&spi1_cs0_pi_pin>;
0271         status = "okay";
0272 };
0273
0274 /* Exposed to UEXT2 */
0275 &spi2 {
0276         pinctrl-names = "default";
0277         pinctrl-0 = <&spi2_pc_pins>,
0278                     <&spi2_cs0_pc_pin>;
0279         status = "okay";
0280 };
0281
0282 &uart0 {
0283         pinctrl-names = "default";
0284         pinctrl-0 = <&uart0_pb_pins>;
0285         status = "okay";
0286 };
0287
0288 /* Used for RTL8723BS bluetooth */
0289 &uart3 {
0290         pinctrl-names = "default";
0291         pinctrl-0 = <&uart3_pg_pins>, <&uart3_rts_pin>;
0292         status = "okay";
0293 };
0294
0295 /* Exposed to UEXT1 */
0296 &uart4 {
0297         pinctrl-names = "default";
0298         pinctrl-0 = <&uart4_pg_pins>;
0299         status = "okay";
0300 };
0301
0302 /* Exposed to UEXT2 */
0303 &uart7 {
0304         pinctrl-names = "default";
0305         pinctrl-0 = <&uart7_pi_pins>;
0306         status = "okay";
0307 };
0308
0309 &usb_otg {
0310         dr_mode = "otg";
0311         status = "okay";
0312 };
0313
0314 &usb_power_supply {
0315         status = "okay";
0316 };
0317
0318 &usbphy {
0319         usb0_id_det-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
0320         usb0_vbus_det-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
0321         usb0_vbus_power-supply = <&usb_power_supply>;
0322         usb0_vbus-supply = <&reg_usb0_vbus>;
0323         usb1_vbus-supply = <&reg_usb1_vbus>;
0324         usb2_vbus-supply = <&reg_usb2_vbus>;
0325         status = "okay";
0326 };