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_buttons>;
  54                 pinctrl-names = "default";
  55
  56                 power {
  57                         label = "Power Switch";
  58                         linux,code = <KEY_POWER>;
  59                         linux,input-type = <EV_SW>;
  60                         gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
  61                 };
  62
  63                 function {
  64                         label = "Function Button";
  65                         linux,code = <KEY_CONFIG>;
  66                         gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
  67                 };
  68         };
  69
  70         gpio_leds {
  71                 compatible = "gpio-leds";
  72                 pinctrl-names = "default";
  73                 pinctrl-0 = <&pmx_leds1 &pmx_leds2>;
  74
  75                 system_red {
  76                         label = "ls421de:red:system";
  77                         gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
  78                 };
  79
  80                 led_power: power_white {
  81                         label = "ls421de:white:power";
  82                         gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
  83                         default-state = "on";
  84                 };
  85
  86                 led_failsafe: power_red {
  87                         label = "ls421de:red:power";
  88                         gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
  89                 };
  90
  91                 led_upgrade: power_orange {
  92                         label = "ls421de:orange:power";
  93                         gpios = <&gpio1 25 GPIO_ACTIVE_HIGH>;
  94                 };
  95
  96                 led_boot: system_white {
  97                         label = "ls421de:white:system";
  98                         gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>;
  99                 };
 100
 101                 hdd1_red {
 102                         label = "ls421de:red:hdd1";
 103                         gpios = <&gpio1 29 GPIO_ACTIVE_HIGH>;
 104                         default-state = "off";
 105                         linux,default-trigger = "disk-activity";
 106                 };
 107
 108                 hdd2_red {
 109                         label = "ls421de:red:hdd2";
 110                         gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
 111                         default-state = "off";
 112                         linux,default-trigger = "disk-activity";
 113                 };
 114         };
 115
 116         regulators {
 117                 compatible = "simple-bus";
 118                 #address-cells = <1>;
 119                 #size-cells = <0>;
 120                 pinctrl-0 = <&pmx_power_usb &pmx_power_hdd1 &pmx_power_hdd2>;
 121                 pinctrl-names = "default";
 122
 123                 usb_power: regulator@0 {
 124                         compatible = "regulator-fixed";
 125                         reg = <0>;
 126                         regulator-name = "USB";
 127                         regulator-min-microvolt = <5000000>;
 128                         regulator-max-microvolt = <5000000>;
 129                         enable-active-high;
 130                         regulator-always-on;
 131                         regulator-boot-on;
 132                         gpio = <&gpio0 5 GPIO_ACTIVE_HIGH>;
 133                 };
 134
 135                 sata1_power: regulator@1 {
 136                         compatible = "regulator-fixed";
 137                         reg = <1>;
 138                         regulator-name = "HDD1";
 139                         regulator-min-microvolt = <12000000>;
 140                         regulator-max-microvolt = <12000000>;
 141                         startup-delay-us = <2000000>;
 142                         enable-active-high;
 143                         regulator-always-on;
 144                         regulator-boot-on;
 145                         gpio = <&gpio0 8 GPIO_ACTIVE_HIGH>;
 146                 };
 147
 148                 sata2_power: regulator@2 {
 149                         compatible = "regulator-fixed";
 150                         reg = <2>;
 151                         regulator-name = "HDD2";
 152                         regulator-min-microvolt = <12000000>;
 153                         regulator-max-microvolt = <12000000>;
 154                         startup-delay-us = <4000000>;
 155                         enable-active-high;
 156                         regulator-always-on;
 157                         regulator-boot-on;
 158                         gpio = <&gpio0 9 GPIO_ACTIVE_HIGH>;
 159                 };
 160         };
 161
 162         /* FIXME: this driver needs to be aware of the LED2 eth phy use,
 163            which must be set to off state before shutting down the machine */
 164         restart_poweroff {
 165                 compatible = "restart-poweroff";
 166         };
 167 };
 168
 169 &eth1 {
 170         pinctrl-0 = <&ge1_rgmii_pins>;
 171         pinctrl-names = "default";
 172         status = "okay";
 173         phy-handle = <&ethphy0>;
 174         phy-connection-type = "rgmii-id";
 175 };
 176
 177 &i2c0 {
 178         pinctrl-0 = <&i2c0_pins>;
 179         pinctrl-names = "default";
 180         clock-frequency = <100000>;
 181         status = "okay";
 182
 183         rs5c372a: rs5c372a@32 {
 184                 compatible = "ricoh,rs5c372a";
 185                 reg = <0x32>;
 186         };
 187 };
 188
 189 &mdio {
 190         pinctrl-0 = <&mdio_pins>;
 191         pinctrl-names = "default";
 192
 193         ethphy0: ethernet-phy@0 { /* Marvell 88E1518 */
 194                 reg = <0>;
 195                 /*
 196                  * LED2 is used to inform, at restart time, if the power
 197                  * switch was slided to the "off" position.
 198                  * Page 0x3, Register 0x10, bits 8-11:
 199                  *     0x800: LED2 off, power off the machine
 200                  *     0x900: LED2 on, boot the machine
 201                  */
 202                 marvell,reg-init = <0x3 0x10 0x1 0x1991>, /* LED function */
 203                                    <0x3 0x11 0x1 0x4401>, /* LED polarity */
 204                                    <0x3 0x12 0x1 0x4905>; /* LED timer */
 205         };
 206 };
 207
 208 &pciec {
 209         status = "okay";
 210         /* Connected to uPD720202 USB 3.0 Host */
 211         pcie@1,0 {
 212                 status = "okay";
 213         };
 214 };
 215
 216 &pmsu {
 217         pinctrl-0 = <&pmx_power_cpu>;
 218         pinctrl-names = "default";
 219 };
 220
 221 &rtc {
 222         status = "disabled";
 223 };
 224
 225 &sata {
 226         nr-ports = <2>;
 227         status = "okay";
 228 };
 229
 230 &sdio {
 231         pinctrl-0 = <&sdio_pins2>;
 232         pinctrl-names = "default";
 233         status = "okay";
 234         /* No CD or WP GPIOs */
 235         broken-cd;
 236 };
 237
 238 &uart0 {
 239         status = "okay";
 240 };
 241
 242 &usb0 {
 243         status = "okay";
 244 };
 245
 246 &nand_controller {
 247         status = "okay";
 248
 249         nand@0 {
 250                 reg = <0>;
 251                 label = "pxa3xx_nand-0";
 252                 nand-rb = <0>;
 253                 marvell,nand-keep-config;
 254                 nand-on-flash-bbt;
 255                 nand-ecc-strength = <4>;
 256                 nand-ecc-step-size = <512>;
 257
 258                 partitions {
 259                         compatible = "fixed-partitions";
 260                         #address-cells = <1>;
 261                         #size-cells = <1>;
 262
 263                         partition@0 {
 264                                 label = "kernel";
 265                                 reg = <0x00000000 0x02000000>;  /* 32 MiB */
 266                         };
 267
 268                         partition@2000000 {
 269                                 label = "ubi";
 270                                 reg = <0x02000000 0x1e000000>;  /* 480 MiB */
 271                         };
 272                 };
 273         };
 274 };
 275
 276 &spi0 {
 277         status = "okay";
 278         pinctrl-0 = <&spi0_pins2>;
 279         pinctrl-names = "default";
 280
 281         spi-flash@0 {
 282                 #address-cells = <1>;
 283                 #size-cells = <1>;
 284                 compatible = "mxicy,mx25l8005", "jedec,spi-nor";
 285                 reg = <0>; /* Chip select 0 */
 286                 spi-max-frequency = <50000000>;
 287
 288                 partitions {
 289                         compatible = "fixed-partitions";
 290                         #address-cells = <1>;
 291                         #size-cells = <1>;
 292
 293                         partition@0 {
 294                                 reg = <0x00000 0xf0000>; /* 960 KiB*/
 295                                 label = "u-boot";
 296                                 read-only;
 297                         };
 298                         partition@f0000 {
 299                                 reg = <0xf0000 0x10000>; /* 64 KiB */
 300                                 label = "u-boot-env";
 301                         };
 302                 };
 303         };
 304 };
 305
 306 &pinctrl {
 307         pmx_power_cpu: pmx-power-cpu {
 308                 marvell,pins = "mpp4";
 309                 marvell,function = "vdd";
 310         };
 311         pmx_power_usb: pmx-power-usb {
 312                 marvell,pins = "mpp5";
 313                 marvell,function = "gpo";
 314         };
 315         pmx_power_hdd1: pmx-power-hdd1 {
 316                 marvell,pins = "mpp8";
 317                 marvell,function = "gpio";
 318         };
 319         pmx_power_hdd2: pmx-power-hdd2 {
 320                 marvell,pins = "mpp9";
 321                 marvell,function = "gpo";
 322         };
 323         pmx_fan_lock: pmx-fan-lock {
 324                 marvell,pins = "mpp10";
 325                 marvell,function = "gpio";
 326         };
 327         pmx_hdd_present: pmx-hdd-present {
 328                 marvell,pins = "mpp11", "mpp12";
 329                 marvell,function = "gpio";
 330         };
 331         pmx_fan_high: pmx-fan-high {
 332                 marvell,pins = "mpp13";
 333                 marvell,function = "gpio";
 334         };
 335         pmx_fan_low: pmx-fan-low {
 336                 marvell,pins = "mpp14";
 337                 marvell,function = "gpio";
 338         };
 339         pmx_buttons: pmx-buttons {
 340                 marvell,pins = "mpp15", "mpp16";
 341                 marvell,function = "gpio";
 342         };
 343         pmx_leds1: pmx-leds {
 344                 marvell,pins = "mpp7", "mpp54", "mpp59", "mpp61";
 345                 marvell,function = "gpo";
 346         };
 347         pmx_leds2: pmx-leds {
 348                 marvell,pins = "mpp55", "mpp57", "mpp62";
 349                 marvell,function = "gpio";
 350         };
 351 };