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 #include <dt-bindings/thermal/thermal.h>
  15
  16 / {
  17         model = "Buffalo LinkStation LS421DE";
  18         compatible = "buffalo,ls421de", "marvell,armada370", "marvell,armada-370-xp";
  19
  20         aliases {
  21                 led-boot = &led_boot;
  22                 led-failsafe = &led_failsafe;
  23                 led-running = &led_power;
  24                 led-upgrade = &led_upgrade;
  25         };
  26
  27         chosen {
  28                 bootargs = "console=ttyS0,115200 earlyprintk noinitrd rootfstype=squashfs";
  29                 stdout-path = "serial0:115200n8";
  30                 append-rootblock = "nullparameter="; /* override the bootloader args */
  31         };
  32
  33         memory {
  34                 device_type = "memory";
  35                 reg = <0x00000000 0x20000000>; /* 512 MB */
  36         };
  37
  38         soc {
  39                 ranges = <MBUS_ID(0xf0, 0x01) 0 0xd0000000 0x100000
  40                           MBUS_ID(0x01, 0xe0) 0 0xfff00000 0x100000
  41                           MBUS_ID(0x09, 0x01) 0 0xf1100000 0x10000>;
  42         };
  43
  44         system_fan: gpio_fan {
  45                 gpios = <&gpio0 13 GPIO_ACTIVE_HIGH
  46                          &gpio0 14 GPIO_ACTIVE_HIGH>;
  47                 alarm-gpios = <&gpio0 10 GPIO_ACTIVE_HIGH>;
  48
  49                 #cooling-cells = <2>;
  50         };
  51
  52         thermal-zones {
  53                 chassis-thermal {
  54                         polling-delay = <20000>;
  55                         polling-delay-passive = <2000>;
  56
  57                         thermal-sensors = <&hdd0_temp>, <&hdd1_temp>;
  58                         coefficients = <1 1>;
  59
  60                         trips {
  61                                 chassis_alert1: chassis-alert1 {
  62                                         temperature = <36000>;
  63                                         hysteresis = <2000>;
  64                                         type = "active";
  65                                 };
  66                                 chassis_alert2: chassis-alert2 {
  67                                         temperature = <46000>;
  68                                         hysteresis = <2000>;
  69                                         type = "active";
  70                                 };
  71                                 chassis_alert3: chassis-alert3 {
  72                                         temperature = <56000>;
  73                                         hysteresis = <2000>;
  74                                         type = "passive";
  75                                 };
  76                                 chassis_crit: chassis-crit {
  77                                         temperature = <66000>;
  78                                         hysteresis = <2000>;
  79                                         type = "critical";
  80                                 };
  81                         };
  82
  83                         cooling-maps {
  84                                 map1 {
  85                                         trip = <&chassis_alert1>;
  86                                         cooling-device = <&system_fan THERMAL_NO_LIMIT 1>;
  87                                 };
  88                                 map2 {
  89                                         trip = <&chassis_alert2>;
  90                                         cooling-device = <&system_fan 2 2>;
  91                                 };
  92                                 map3 {
  93                                         trip = <&chassis_alert3>;
  94                                         cooling-device = <&system_fan 3 THERMAL_NO_LIMIT>;
  95                                 };
  96                         };
  97                 };
  98         };
  99
 100         gpio_keys {
 101                 compatible = "gpio-keys";
 102                 #address-cells = <1>;
 103                 #size-cells = <0>;
 104                 pinctrl-0 = <&pmx_buttons>;
 105                 pinctrl-names = "default";
 106
 107                 power {
 108                         label = "Power Switch";
 109                         linux,code = <KEY_POWER>;
 110                         linux,input-type = <EV_SW>;
 111                         gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
 112                 };
 113
 114                 function {
 115                         label = "Function Button";
 116                         linux,code = <KEY_CONFIG>;
 117                         gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
 118                 };
 119         };
 120
 121         gpio_leds {
 122                 compatible = "gpio-leds";
 123                 pinctrl-names = "default";
 124                 pinctrl-0 = <&pmx_leds1 &pmx_leds2>;
 125
 126                 system_red {
 127                         label = "ls421de:red:system";
 128                         gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
 129                 };
 130
 131                 led_power: power_white {
 132                         label = "ls421de:white:power";
 133                         gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
 134                         default-state = "on";
 135                 };
 136
 137                 led_failsafe: power_red {
 138                         label = "ls421de:red:power";
 139                         gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
 140                 };
 141
 142                 led_upgrade: power_orange {
 143                         label = "ls421de:orange:power";
 144                         gpios = <&gpio1 25 GPIO_ACTIVE_HIGH>;
 145                 };
 146
 147                 led_boot: system_white {
 148                         label = "ls421de:white:system";
 149                         gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>;
 150                 };
 151
 152                 hdd1_red {
 153                         label = "ls421de:red:hdd1";
 154                         gpios = <&gpio1 29 GPIO_ACTIVE_HIGH>;
 155                         default-state = "off";
 156                         linux,default-trigger = "disk-activity";
 157                 };
 158
 159                 hdd2_red {
 160                         label = "ls421de:red:hdd2";
 161                         gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
 162                         default-state = "off";
 163                         linux,default-trigger = "disk-activity";
 164                 };
 165         };
 166
 167         regulators {
 168                 compatible = "simple-bus";
 169                 #address-cells = <1>;
 170                 #size-cells = <0>;
 171                 pinctrl-0 = <&pmx_power_usb &pmx_power_hdd1 &pmx_power_hdd2>;
 172                 pinctrl-names = "default";
 173
 174                 usb_power: regulator@0 {
 175                         compatible = "regulator-fixed";
 176                         reg = <0>;
 177                         regulator-name = "USB";
 178                         regulator-min-microvolt = <5000000>;
 179                         regulator-max-microvolt = <5000000>;
 180                         enable-active-high;
 181                         regulator-always-on;
 182                         regulator-boot-on;
 183                         gpio = <&gpio0 5 GPIO_ACTIVE_HIGH>;
 184                 };
 185
 186                 sata1_power: regulator@1 {
 187                         compatible = "regulator-fixed";
 188                         reg = <1>;
 189                         regulator-name = "HDD1";
 190                         regulator-min-microvolt = <12000000>;
 191                         regulator-max-microvolt = <12000000>;
 192                         startup-delay-us = <2000000>;
 193                         enable-active-high;
 194                         regulator-always-on;
 195                         regulator-boot-on;
 196                         gpio = <&gpio0 8 GPIO_ACTIVE_HIGH>;
 197                 };
 198
 199                 sata2_power: regulator@2 {
 200                         compatible = "regulator-fixed";
 201                         reg = <2>;
 202                         regulator-name = "HDD2";
 203                         regulator-min-microvolt = <12000000>;
 204                         regulator-max-microvolt = <12000000>;
 205                         startup-delay-us = <4000000>;
 206                         enable-active-high;
 207                         regulator-always-on;
 208                         regulator-boot-on;
 209                         gpio = <&gpio0 9 GPIO_ACTIVE_HIGH>;
 210                 };
 211         };
 212
 213         /* FIXME: this driver needs to be aware of the LED2 eth phy use,
 214            which must be set to off state before shutting down the machine */
 215         restart_poweroff {
 216                 compatible = "restart-poweroff";
 217         };
 218 };
 219
 220 &eth1 {
 221         pinctrl-0 = <&ge1_rgmii_pins>;
 222         pinctrl-names = "default";
 223         status = "okay";
 224         phy-handle = <&ethphy0>;
 225         phy-connection-type = "rgmii-id";
 226 };
 227
 228 &i2c0 {
 229         pinctrl-0 = <&i2c0_pins>;
 230         pinctrl-names = "default";
 231         clock-frequency = <100000>;
 232         status = "okay";
 233
 234         rs5c372a: rs5c372a@32 {
 235                 compatible = "ricoh,rs5c372a";
 236                 reg = <0x32>;
 237         };
 238 };
 239
 240 &mdio {
 241         pinctrl-0 = <&mdio_pins>;
 242         pinctrl-names = "default";
 243
 244         ethphy0: ethernet-phy@0 { /* Marvell 88E1518 */
 245                 reg = <0>;
 246                 /*
 247                  * LED2 is used to inform, at restart time, if the power
 248                  * switch was slided to the "off" position.
 249                  * Page 0x3, Register 0x10, bits 8-11:
 250                  *     0x800: LED2 off, power off the machine
 251                  *     0x900: LED2 on, boot the machine
 252                  */
 253                 marvell,reg-init = <0x3 0x10 0x1 0x1991>, /* LED function */
 254                                    <0x3 0x11 0x1 0x4401>, /* LED polarity */
 255                                    <0x3 0x12 0x1 0x4905>; /* LED timer */
 256         };
 257 };
 258
 259 &pciec {
 260         status = "okay";
 261         /* Connected to uPD720202 USB 3.0 Host */
 262         pcie@1,0 {
 263                 status = "okay";
 264         };
 265 };
 266
 267 &pmsu {
 268         pinctrl-0 = <&pmx_power_cpu>;
 269         pinctrl-names = "default";
 270 };
 271
 272 &rtc {
 273         status = "disabled";
 274 };
 275
 276 &sata {
 277         nr-ports = <2>;
 278         status = "okay";
 279         #address-cells = <1>;
 280         #size-cells = <0>;
 281
 282         hdd0_temp: sata-port@0 {
 283                 reg = <0>;
 284                 #thermal-sensor-cells = <0>;
 285         };
 286
 287         hdd1_temp: sata-port@1 {
 288                 reg = <1>;
 289                 #thermal-sensor-cells = <0>;
 290         };
 291 };
 292
 293 &sdio {
 294         pinctrl-0 = <&sdio_pins2>;
 295         pinctrl-names = "default";
 296         status = "okay";
 297         /* No CD or WP GPIOs */
 298         broken-cd;
 299 };
 300
 301 &uart0 {
 302         status = "okay";
 303 };
 304
 305 &usb0 {
 306         status = "okay";
 307 };
 308
 309 &nand_controller {
 310         status = "okay";
 311
 312         nand@0 {
 313                 reg = <0>;
 314                 label = "pxa3xx_nand-0";
 315                 nand-rb = <0>;
 316                 marvell,nand-keep-config;
 317                 nand-on-flash-bbt;
 318                 nand-ecc-strength = <4>;
 319                 nand-ecc-step-size = <512>;
 320
 321                 partitions {
 322                         compatible = "fixed-partitions";
 323                         #address-cells = <1>;
 324                         #size-cells = <1>;
 325
 326                         partition@0 {
 327                                 label = "kernel";
 328                                 reg = <0x00000000 0x02000000>;  /* 32 MiB */
 329                         };
 330
 331                         partition@2000000 {
 332                                 label = "ubi";
 333                                 reg = <0x02000000 0x1e000000>;  /* 480 MiB */
 334                         };
 335                 };
 336         };
 337 };
 338
 339 &spi0 {
 340         status = "okay";
 341         pinctrl-0 = <&spi0_pins2>;
 342         pinctrl-names = "default";
 343
 344         spi-flash@0 {
 345                 #address-cells = <1>;
 346                 #size-cells = <1>;
 347                 compatible = "mxicy,mx25l8005", "jedec,spi-nor";
 348                 reg = <0>; /* Chip select 0 */
 349                 spi-max-frequency = <50000000>;
 350
 351                 partitions {
 352                         compatible = "fixed-partitions";
 353                         #address-cells = <1>;
 354                         #size-cells = <1>;
 355
 356                         partition@0 {
 357                                 reg = <0x00000 0xf0000>; /* 960 KiB*/
 358                                 label = "u-boot";
 359                                 read-only;
 360                         };
 361                         partition@f0000 {
 362                                 reg = <0xf0000 0x10000>; /* 64 KiB */
 363                                 label = "u-boot-env";
 364                         };
 365                 };
 366         };
 367 };
 368
 369 &pinctrl {
 370         pmx_power_cpu: pmx-power-cpu {
 371                 marvell,pins = "mpp4";
 372                 marvell,function = "vdd";
 373         };
 374         pmx_power_usb: pmx-power-usb {
 375                 marvell,pins = "mpp5";
 376                 marvell,function = "gpo";
 377         };
 378         pmx_power_hdd1: pmx-power-hdd1 {
 379                 marvell,pins = "mpp8";
 380                 marvell,function = "gpio";
 381         };
 382         pmx_power_hdd2: pmx-power-hdd2 {
 383                 marvell,pins = "mpp9";
 384                 marvell,function = "gpo";
 385         };
 386         pmx_fan_lock: pmx-fan-lock {
 387                 marvell,pins = "mpp10";
 388                 marvell,function = "gpio";
 389         };
 390         pmx_hdd_present: pmx-hdd-present {
 391                 marvell,pins = "mpp11", "mpp12";
 392                 marvell,function = "gpio";
 393         };
 394         pmx_fan_high: pmx-fan-high {
 395                 marvell,pins = "mpp13";
 396                 marvell,function = "gpio";
 397         };
 398         pmx_fan_low: pmx-fan-low {
 399                 marvell,pins = "mpp14";
 400                 marvell,function = "gpio";
 401         };
 402         pmx_buttons: pmx-buttons {
 403                 marvell,pins = "mpp15", "mpp16";
 404                 marvell,function = "gpio";
 405         };
 406         pmx_leds1: pmx-leds {
 407                 marvell,pins = "mpp7", "mpp54", "mpp59", "mpp61";
 408                 marvell,function = "gpo";
 409         };
 410         pmx_leds2: pmx-leds {
 411                 marvell,pins = "mpp55", "mpp57", "mpp62";
 412                 marvell,function = "gpio";
 413         };
 414 };