sys/gnu/dts/arm64/marvell/armada-3720-espressobin.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Device Tree file for Globalscale Marvell ESPRESSOBin Board
   4  * Copyright (C) 2016 Marvell
   5  *
   6  * Romain Perier <romain.perier@free-electrons.com>
   7  *
   8  */
   9 /*
  10  * Schematic available at http://espressobin.net/wp-content/uploads/2017/08/ESPRESSObin_V5_Schematics.pdf
  11  */
  12
  13 /dts-v1/;
  14
  15 #include <dt-bindings/gpio/gpio.h>
  16 #include "armada-372x.dtsi"
  17
  18 / {
  19         model = "Globalscale Marvell ESPRESSOBin Board";
  20         compatible = "globalscale,espressobin", "marvell,armada3720", "marvell,armada3710";
  21
  22         chosen {
  23                 stdout-path = "serial0:115200n8";
  24         };
  25
  26         memory@0 {
  27                 device_type = "memory";
  28                 reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
  29         };
  30
  31         vcc_sd_reg1: regulator {
  32                 compatible = "regulator-gpio";
  33                 regulator-name = "vcc_sd1";
  34                 regulator-min-microvolt = <1800000>;
  35                 regulator-max-microvolt = <3300000>;
  36                 regulator-boot-on;
  37
  38                 gpios = <&gpionb 4 GPIO_ACTIVE_HIGH>;
  39                 gpios-states = <0>;
  40                 states = <1800000 0x1
  41                           3300000 0x0>;
  42                 enable-active-high;
  43         };
  44 };
  45
  46 /* J9 */
  47 &pcie0 {
  48         status = "okay";
  49         phys = <&comphy1 0>;
  50         pinctrl-names = "default";
  51         pinctrl-0 = <&pcie_reset_pins &pcie_clkreq_pins>;
  52 };
  53
  54 /* J6 */
  55 &sata {
  56         status = "okay";
  57         phys = <&comphy2 0>;
  58         phy-names = "sata-phy";
  59 };
  60
  61 /* J1 */
  62 &sdhci1 {
  63         wp-inverted;
  64         bus-width = <4>;
  65         cd-gpios = <&gpionb 3 GPIO_ACTIVE_LOW>;
  66         marvell,pad-type = "sd";
  67         vqmmc-supply = <&vcc_sd_reg1>;
  68
  69         pinctrl-names = "default";
  70         pinctrl-0 = <&sdio_pins>;
  71         status = "okay";
  72 };
  73
  74 /* U11 */
  75 &sdhci0 {
  76         non-removable;
  77         bus-width = <8>;
  78         mmc-ddr-1_8v;
  79         mmc-hs400-1_8v;
  80         marvell,xenon-emmc;
  81         marvell,xenon-tun-count = <9>;
  82         marvell,pad-type = "fixed-1-8v";
  83
  84         pinctrl-names = "default";
  85         pinctrl-0 = <&mmc_pins>;
  86 /*
  87  * This eMMC is not populated on all boards, so disable it by
  88  * default and let the bootloader enable it, if it is present
  89  */
  90         status = "disabled";
  91 };
  92
  93 &spi0 {
  94         status = "okay";
  95
  96         flash@0 {
  97                 reg = <0>;
  98                 compatible = "jedec,spi-nor";
  99                 spi-max-frequency = <104000000>;
 100                 m25p,fast-read;
 101         };
 102 };
 103
 104 /* Exported on the micro USB connector J5 through an FTDI */
 105 &uart0 {
 106         pinctrl-names = "default";
 107         pinctrl-0 = <&uart1_pins>;
 108         status = "okay";
 109 };
 110
 111 /*
 112  * Connector J17 and J18 expose a number of different features. Some pins are
 113  * multiplexed. This is the case for instance for the following features:
 114  * - UART1 (pin 24 = RX, pin 26 = TX). See armada-3720-db.dts for an example of
 115  *   how to enable it. Beware that the signals are 1.8V TTL.
 116  * - I2C
 117  * - SPI
 118  * - MMC
 119  */
 120
 121 /* J7 */
 122 &usb3 {
 123         status = "okay";
 124 };
 125
 126 /* J8 */
 127 &usb2 {
 128         status = "okay";
 129 };
 130
 131 &mdio {
 132         switch0: switch0@1 {
 133                 compatible = "marvell,mv88e6085";
 134                 #address-cells = <1>;
 135                 #size-cells = <0>;
 136                 reg = <1>;
 137
 138                 dsa,member = <0 0>;
 139
 140                 ports {
 141                         #address-cells = <1>;
 142                         #size-cells = <0>;
 143
 144                         port@0 {
 145                                 reg = <0>;
 146                                 label = "cpu";
 147                                 ethernet = <&eth0>;
 148                                 phy-mode = "rgmii-id";
 149                                 fixed-link {
 150                                         speed = <1000>;
 151                                         full-duplex;
 152                                 };
 153                         };
 154
 155                         port@1 {
 156                                 reg = <1>;
 157                                 label = "wan";
 158                                 phy-handle = <&switch0phy0>;
 159                         };
 160
 161                         port@2 {
 162                                 reg = <2>;
 163                                 label = "lan0";
 164                                 phy-handle = <&switch0phy1>;
 165                         };
 166
 167                         port@3 {
 168                                 reg = <3>;
 169                                 label = "lan1";
 170                                 phy-handle = <&switch0phy2>;
 171                         };
 172
 173                 };
 174
 175                 mdio {
 176                         #address-cells = <1>;
 177                         #size-cells = <0>;
 178
 179                         switch0phy0: switch0phy0@11 {
 180                                 reg = <0x11>;
 181                         };
 182                         switch0phy1: switch0phy1@12 {
 183                                 reg = <0x12>;
 184                         };
 185                         switch0phy2: switch0phy2@13 {
 186                                 reg = <0x13>;
 187                         };
 188                 };
 189         };
 190 };
 191
 192 &eth0 {
 193         pinctrl-names = "default";
 194         pinctrl-0 = <&rgmii_pins>, <&smi_pins>;
 195         phy-mode = "rgmii-id";
 196         status = "okay";
 197
 198         fixed-link {
 199                 speed = <1000>;
 200                 full-duplex;
 201         };
 202 };