target/linux/mvebu/files/arch/arm/boot/dts/armada-370-buffalo-ls421de.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Device Tree file for Buffalo LinkStation LS421DE
   4  *
   5  * Copyright (C) 2020 Daniel González Cabanelas <dgcbueu@gmail.com>
   6  */
   7
   8 /dts-v1/;
   9
  10 #include "armada-370.dtsi"
  11 #include "mvebu-linkstation-fan.dtsi"
  12 #include <dt-bindings/gpio/gpio.h>
  13 #include <dt-bindings/input/input.h>
  14
  15 / {
  16         model = "Buffalo LinkStation LS421DE";
  17         compatible = "buffalo,ls421de", "marvell,armada370", "marvell,armada-370-xp";
  18
  19         aliases {
  20                 led-boot = &led_boot;
  21                 led-failsafe = &led_failsafe;
  22                 led-running = &led_power;
  23                 led-upgrade = &led_upgrade;
  24         };
  25
  26         chosen {
  27                 bootargs = "console=ttyS0,115200 earlyprintk noinitrd rootfstype=squashfs";
  28                 stdout-path = "serial0:115200n8";
  29                 append-rootblock = "nullparameter="; /* override the bootloader args */
  30         };
  31
  32         memory {
  33                 device_type = "memory";
  34                 reg = <0x00000000 0x20000000>; /* 512 MB */
  35         };
  36
  37         soc {
  38                 ranges = <MBUS_ID(0xf0, 0x01) 0 0xd0000000 0x100000
  39                           MBUS_ID(0x01, 0xe0) 0 0xfff00000 0x100000
  40                           MBUS_ID(0x09, 0x01) 0 0xf1100000 0x10000>;
  41         };
  42
  43         gpio_fan {
  44                 gpios = <&gpio0 13 GPIO_ACTIVE_HIGH
  45                         &gpio0 14 GPIO_ACTIVE_HIGH>;
  46                 alarm-gpios = <&gpio0 10 GPIO_ACTIVE_HIGH>;
  47         };
  48
  49         gpio_keys {
  50                 compatible = "gpio-keys";
  51                 #address-cells = <1>;
  52                 #size-cells = <0>;
  53                 pinctrl-0 = <&pmx_hdd_present &pmx_buttons>;
  54                 pinctrl-names = "default";
  55
  56                 hdd1-present {
  57                         label = "HDD1 Present";
  58                         linux,code = <KEY_PROG1>;
  59                         gpios = <&gpio0 11 GPIO_ACTIVE_LOW>;
  60                 };
  61
  62                 hdd2-present {
  63                         label = "HDD2 Present";
  64                         linux,code = <KEY_PROG2>;
  65                         gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
  66
  67                 };
  68
  69                 power {
  70                         label = "Power Switch";
  71                         linux,code = <KEY_POWER>;
  72                         linux,input-type = <EV_SW>;
  73                         gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
  74                 };
  75
  76                 function {
  77                         label = "Function Button";
  78                         linux,code = <KEY_OPTION>;
  79                         gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
  80                 };
  81         };
  82
  83         gpio_leds {
  84                 compatible = "gpio-leds";
  85                 pinctrl-names = "default";
  86                 pinctrl-0 = <&pmx_leds1 &pmx_leds2>;
  87
  88                 system_red {
  89                         label = "ls421de:red:system";
  90                         gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
  91                 };
  92
  93                 led_power: power_white {
  94                         label = "ls421de:white:power";
  95                         gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
  96                         default-state = "on";
  97                 };
  98
  99                 led_failsafe: power_red {
 100                         label = "ls421de:red:power";
 101                         gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
 102                 };
 103
 104                 led_upgrade: power_orange {
 105                         label = "ls421de:orange:power";
 106                         gpios = <&gpio1 25 GPIO_ACTIVE_HIGH>;
 107                 };
 108
 109                 led_boot: system_white {
 110                         label = "ls421de:white:system";
 111                         gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>;
 112                 };
 113
 114                 hdd1_red {
 115                         label = "ls421de:red:hdd1";
 116                         gpios = <&gpio1 29 GPIO_ACTIVE_HIGH>;
 117                         default-state = "off";
 118                         linux,default-trigger = "disk-activity";
 119                 };
 120
 121                 hdd2_red {
 122                         label = "ls421de:red:hdd2";
 123                         gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
 124                         default-state = "off";
 125                         linux,default-trigger = "disk-activity";
 126                 };
 127         };
 128
 129         regulators {
 130                 compatible = "simple-bus";
 131                 #address-cells = <1>;
 132                 #size-cells = <0>;
 133                 pinctrl-0 = <&pmx_power_usb &pmx_power_hdd1 &pmx_power_hdd2>;
 134
 135                 pinctrl-names = "default";
 136
 137                 usb_v5_regulator: usb-v5-regulator {
 138                         compatible = "regulator-fixed";
 139                         regulator-name = "USB";
 140                         regulator-min-microvolt = <5000000>;
 141                         regulator-max-microvolt = <5000000>;
 142                         enable-active-high;
 143                         regulator-always-on;
 144                         regulator-boot-on;
 145                         gpio = <&gpio0 5 GPIO_ACTIVE_HIGH>;
 146                 };
 147
 148                 ata1_regulator: ata1-regulator {
 149                         compatible = "regulator-fixed";
 150                         reg = <1>;
 151                         regulator-name = "HDD1";
 152                         regulator-min-microvolt = <12000000>;
 153                         regulator-max-microvolt = <12000000>;
 154                         startup-delay-us = <2000000>;
 155                         enable-active-high;
 156                         regulator-always-on;
 157                         regulator-boot-on;
 158                         gpio = <&gpio0 8 GPIO_ACTIVE_HIGH>;
 159                 };
 160
 161                 ata2_regulator: ata2-regulator {
 162                         compatible = "regulator-fixed";
 163                         reg = <2>;
 164                         regulator-name = "HDD2";
 165                         regulator-min-microvolt = <12000000>;
 166                         regulator-max-microvolt = <12000000>;
 167                         startup-delay-us = <4000000>;
 168                         enable-active-high;
 169                         regulator-always-on;
 170                         regulator-boot-on;
 171                         gpio = <&gpio0 9 GPIO_ACTIVE_HIGH>;
 172                 };
 173         };
 174
 175         /* FIXME: this driver needs to be aware of the LED2 eth phy use,
 176            which must be set to off state before shutting down the machine */
 177         restart_poweroff {
 178                 compatible = "restart-poweroff";
 179         };
 180 };
 181
 182 &eth1 {
 183         pinctrl-0 = <&ge1_rgmii_pins>;
 184         pinctrl-names = "default";
 185         status = "okay";
 186         phy = <&phy0>;
 187         phy-mode = "rgmii-id";
 188 };
 189
 190 &i2c0 {
 191         clock-frequency = <100000>;
 192         status = "okay";
 193
 194         rs5c372a: rs5c372a@32 {
 195                 compatible = "ricoh,rs5c372a";
 196                 reg = <0x32>;
 197         };
 198 };
 199
 200 &mdio {
 201         pinctrl-0 = <&mdio_pins>;
 202         pinctrl-names = "default";
 203
 204         phy0: ethernet-phy@0 { /* Marvell 88E1518 */
 205                 reg = <0>;
 206                 /* LED2 is used to inform uBoot if the power-switch was slided
 207                    to the "off" position, and then power off the machine.
 208                    Page 0x3, Register 0x10, bit 8:
 209                                 0x800: LED2 off, power off the machine
 210                                 0x900: LED2 on, boot the machine */
 211                 marvell,reg-init = <0x3 0x10 0x1 0x1991>, /* LED Function */
 212                                         <0x3 0x11 0x1 0x4401>, /* LED polarity */
 213                                         <0x3 0x12 0x1 0x4905>; /* LED Timer */
 214         };
 215 };
 216
 217 &pciec {
 218         status = "okay";
 219         /* Connected to uPD720202 USB 3.0 Host */
 220         pcie@1,0 {
 221                 status = "okay";
 222         };
 223 };
 224
 225 &pmsu {
 226         pinctrl-0 = <&pmx_power_cpu>;
 227         pinctrl-names = "default";
 228 };
 229
 230 &rtc {
 231         status = "disabled";
 232 };
 233
 234 &sata {
 235         nr-ports = <2>;
 236         status = "okay";
 237 };
 238
 239 &sdio {
 240         pinctrl-0 = <&sdio_pins2>;
 241         pinctrl-names = "default";
 242         status = "okay";
 243         /* No CD or WP GPIOs */
 244         broken-cd;
 245 };
 246
 247 &uart0 {
 248         status = "okay";
 249 };
 250
 251 &usb0 {
 252         status = "okay";
 253 };
 254
 255 &nand_controller {
 256         status = "okay";
 257
 258         nand@0 {
 259                 reg = <0>;
 260                 label = "pxa3xx_nand-0";
 261                 nand-rb = <0>;
 262                 marvell,nand-keep-config;
 263                 nand-on-flash-bbt;
 264                 nand-ecc-strength = <4>;
 265                 nand-ecc-step-size = <512>;
 266
 267                 partitions {
 268                         compatible = "fixed-partitions";
 269                         #address-cells = <1>;
 270                         #size-cells = <1>;
 271
 272                         partition@0 {
 273                                 label = "kernel";
 274                                 reg = <0x00000000 0x02000000>;  /* 32 MiB */
 275                         };
 276
 277                         partition@2000000 {
 278                                 label = "ubi";
 279                                 reg = <0x02000000 0x1e000000>;  /* 480 MiB */
 280                         };
 281                 };
 282         };
 283 };
 284
 285 &spi0 {
 286         status = "okay";
 287         pinctrl-0 = <&spi0_pins2>;
 288         pinctrl-names = "default";
 289
 290         spi-flash@0 {
 291                 #address-cells = <1>;
 292                 #size-cells = <1>;
 293                 compatible = "mxicy,mx25l8005", "jedec,spi-nor";
 294                 reg = <0>; /* Chip select 0 */
 295                 spi-max-frequency = <50000000>;
 296
 297                 partitions {
 298                         compatible = "fixed-partitions";
 299                         #address-cells = <1>;
 300                         #size-cells = <1>;
 301
 302                         partition@0 {
 303                                 reg = <0x00000 0xf0000>; /* 960 KiB*/
 304                                 label = "u-boot";
 305                                 read-only;
 306                         };
 307                         partition@f0000 {
 308                                 reg = <0xf0000 0x10000>; /* 64 KiB */
 309                                 label = "u-boot-env";
 310                         };
 311                 };
 312         };
 313 };
 314
 315 &pinctrl {
 316         pmx_power_cpu: pmx-power-cpu {
 317                 marvell,pins = "mpp4";
 318                 marvell,function = "vdd";
 319         };
 320         pmx_power_usb: pmx-power-usb {
 321                 marvell,pins = "mpp5";
 322                 marvell,function = "gpo";
 323         };
 324         pmx_power_hdd1: pmx-power-hdd1 {
 325                 marvell,pins = "mpp8";
 326                 marvell,function = "gpio";
 327         };
 328         pmx_power_hdd2: pmx-power-hdd2 {
 329                 marvell,pins = "mpp9";
 330                 marvell,function = "gpo";
 331         };
 332         pmx_fan_lock: pmx-fan-lock {
 333                 marvell,pins = "mpp10";
 334                 marvell,function = "gpio";
 335         };
 336         pmx_hdd_present: pmx-hdd-present {
 337                 marvell,pins = "mpp11", "mpp12";
 338                 marvell,function = "gpio";
 339         };
 340         pmx_fan_high: pmx-fan-high {
 341                 marvell,pins = "mpp13";
 342                 marvell,function = "gpio";
 343         };
 344         pmx_fan_low: pmx-fan-low {
 345                 marvell,pins = "mpp14";
 346                 marvell,function = "gpio";
 347         };
 348         pmx_buttons: pmx-buttons {
 349                 marvell,pins = "mpp15", "mpp16";
 350                 marvell,function = "gpio";
 351         };
 352         pmx_leds1: pmx-leds {
 353                 marvell,pins = "mpp7", "mpp54", "mpp59", "mpp61";
 354                 marvell,function = "gpo";
 355         };
 356         pmx_leds2: pmx-leds {
 357                 marvell,pins = "mpp55", "mpp57", "mpp62";
 358                 marvell,function = "gpio";
 359         };
 360 };