arch/arm/boot/dts/gemini-sl93512r.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Device Tree file for the Storm Semiconductor SL93512R_BRD
   4  * Gemini reference design, also initially called
   5  * "Gemini324 EV-Board" before Storm acquired Storlink Semiconductor.
   6  * The series were later acquired by Cortina Systems.
   7  */
   8
   9 /dts-v1/;
  10
  11 #include "gemini.dtsi"
  12 #include <dt-bindings/input/input.h>
  13
  14 / {
  15         model = "Storlink Semiconductor Gemini324 EV-Board / Storm Semiconductor SL93512R_BRD";
  16         compatible = "storlink,gemini324", "storm,sl93512r", "cortina,gemini";
  17         #address-cells = <1>;
  18         #size-cells = <1>;
  19
  20         memory@0 {
  21                 /* 64 MB Samsung K4H511638B */
  22                 device_type = "memory";
  23                 reg = <0x00000000 0x4000000>;
  24         };
  25
  26         chosen {
  27                 bootargs = "console=ttyS0,19200n8 root=/dev/sda1 rw rootwait";
  28                 stdout-path = &uart0;
  29         };
  30
  31         gpio_keys {
  32                 compatible = "gpio-keys";
  33
  34                 button-wps {
  35                         debounce-interval = <50>;
  36                         wakeup-source;
  37                         linux,code = <KEY_WPS_BUTTON>;
  38                         label = "WPS";
  39                         /* Conflict with NAND flash */
  40                         gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
  41                 };
  42
  43                 button-setup {
  44                         debounce-interval = <50>;
  45                         wakeup-source;
  46                         linux,code = <KEY_SETUP>;
  47                         label = "factory reset";
  48                         /* Conflict with NAND flash */
  49                         gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
  50                 };
  51         };
  52
  53         leds {
  54                 compatible = "gpio-leds";
  55                 led-green-harddisk {
  56                         label = "sq201:green:harddisk";
  57                         /* Conflict with LCD (no problem) */
  58                         gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
  59                         default-state = "off";
  60                         linux,default-trigger = "disk-activity";
  61                 };
  62                 led-green-wireless {
  63                         label = "sq201:green:wireless";
  64                         /* Conflict with NAND flash CE0 (no problem) */
  65                         gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
  66                         default-state = "on";
  67                         linux,default-trigger = "heartbeat";
  68                 };
  69         };
  70
  71         mdio0: mdio {
  72                 compatible = "virtual,mdio-gpio";
  73                 /* Uses MDC and MDIO */
  74                 gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
  75                         <&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
  76                 #address-cells = <1>;
  77                 #size-cells = <0>;
  78
  79                 /* This is a Marvell 88E1111 ethernet transciever */
  80                 phy0: ethernet-phy@1 {
  81                         reg = <1>;
  82                 };
  83         };
  84
  85         spi {
  86                 compatible = "spi-gpio";
  87                 #address-cells = <1>;
  88                 #size-cells = <0>;
  89                 /* Check pin collisions */
  90                 gpio-sck = <&gpio1 28 GPIO_ACTIVE_HIGH>;
  91                 gpio-miso = <&gpio1 30 GPIO_ACTIVE_HIGH>;
  92                 gpio-mosi = <&gpio1 29 GPIO_ACTIVE_HIGH>;
  93                 cs-gpios = <&gpio1 31 GPIO_ACTIVE_HIGH>;
  94                 num-chipselects = <1>;
  95
  96                 switch@0 {
  97                         compatible = "vitesse,vsc7385";
  98                         reg = <0>;
  99                         /* Specified for 2.5 MHz or below */
 100                         spi-max-frequency = <2500000>;
 101                         gpio-controller;
 102                         #gpio-cells = <2>;
 103
 104                         ports {
 105                                 #address-cells = <1>;
 106                                 #size-cells = <0>;
 107
 108                                 port@0 {
 109                                         reg = <0>;
 110                                         label = "lan1";
 111                                 };
 112                                 port@1 {
 113                                         reg = <1>;
 114                                         label = "lan2";
 115                                 };
 116                                 port@2 {
 117                                         reg = <2>;
 118                                         label = "lan3";
 119                                 };
 120                                 port@3 {
 121                                         reg = <3>;
 122                                         label = "lan4";
 123                                 };
 124                                 vsc: port@6 {
 125                                         reg = <6>;
 126                                         label = "cpu";
 127                                         ethernet = <&gmac1>;
 128                                         phy-mode = "rgmii";
 129                                         fixed-link {
 130                                                 speed = <1000>;
 131                                                 full-duplex;
 132                                                 pause;
 133                                         };
 134                                 };
 135                         };
 136                 };
 137         };
 138
 139
 140         soc {
 141                 flash@30000000 {
 142                         status = "okay";
 143                         /* 16MB of flash */
 144                         reg = <0x30000000 0x01000000>;
 145
 146                         partition@0 {
 147                                 label = "BOOT";
 148                                 reg = <0x00000000 0x00020000>;
 149                                 read-only;
 150                         };
 151                         partition@120000 {
 152                                 label = "Kern";
 153                                 reg = <0x00020000 0x00300000>;
 154                         };
 155                         partition@320000 {
 156                                 label = "Ramdisk";
 157                                 reg = <0x00320000 0x00600000>;
 158                         };
 159                         partition@920000 {
 160                                 label = "Application";
 161                                 reg = <0x00920000 0x00600000>;
 162                         };
 163                         partition@f20000 {
 164                                 label = "VCTL";
 165                                 reg = <0x00f20000 0x00020000>;
 166                                 read-only;
 167                         };
 168                         partition@f40000 {
 169                                 label = "CurConf";
 170                                 reg = <0x00f40000 0x000a0000>;
 171                                 read-only;
 172                         };
 173                         partition@fe0000 {
 174                                 label = "FIS directory";
 175                                 reg = <0x00fe0000 0x00020000>;
 176                                 read-only;
 177                         };
 178                 };
 179
 180                 syscon: syscon@40000000 {
 181                         pinctrl {
 182                                 /*
 183                                  * gpio0egrp cover line 16 used by HD LED
 184                                  * gpio0fgrp cover line 17, 18 used by wireless LED and reset button
 185                                  * gpio0hgrp cover line 21, 22 used by MDIO for Marvell PHY
 186                                  * gpio0kgrp cover line 31 used by USB LED
 187                                  */
 188                                 gpio0_default_pins: pinctrl-gpio0 {
 189                                         mux {
 190                                                 function = "gpio0";
 191                                                 groups = "gpio0egrp",
 192                                                 "gpio0fgrp",
 193                                                 "gpio0hgrp";
 194                                         };
 195                                 };
 196                                 /*
 197                                  * gpio1dgrp cover lines used by SPI for
 198                                  * the Vitesse chip (28-31)
 199                                  */
 200                                 gpio1_default_pins: pinctrl-gpio1 {
 201                                         mux {
 202                                                 function = "gpio1";
 203                                                 groups = "gpio1dgrp";
 204                                         };
 205                                 };
 206                                 pinctrl-gmii {
 207                                         mux {
 208                                                 function = "gmii";
 209                                                 groups = "gmii_gmac0_grp", "gmii_gmac1_grp";
 210                                         };
 211                                         /* Control pad skew comes from sl_switch.c in the vendor code */
 212                                         conf0 {
 213                                                 pins = "P10 GMAC1 TXC";
 214                                                 skew-delay = <5>;
 215                                         };
 216                                         conf1 {
 217                                                 pins = "V11 GMAC1 TXEN";
 218                                                 skew-delay = <7>;
 219                                         };
 220                                         conf2 {
 221                                                 pins = "T11 GMAC1 RXC";
 222                                                 skew-delay = <8>;
 223                                         };
 224                                         conf3 {
 225                                                 pins = "U11 GMAC1 RXDV";
 226                                                 skew-delay = <7>;
 227                                         };
 228                                         conf4 {
 229                                                 pins = "V7 GMAC0 TXC";
 230                                                 skew-delay = <10>;
 231                                         };
 232                                         conf5 {
 233                                                 pins = "P8 GMAC0 TXEN";
 234                                                 skew-delay = <7>; /* 5 at another place? */
 235                                         };
 236                                         conf6 {
 237                                                 pins = "T8 GMAC0 RXC";
 238                                                 skew-delay = <15>;
 239                                         };
 240                                         conf7 {
 241                                                 pins = "R8 GMAC0 RXDV";
 242                                                 skew-delay = <0>;
 243                                         };
 244                                         conf8 {
 245                                                 /* The data lines all have default skew */
 246                                                 pins = "U8 GMAC0 RXD0", "V8 GMAC0 RXD1",
 247                                                        "P9 GMAC0 RXD2", "R9 GMAC0 RXD3",
 248                                                        "R11 GMAC1 RXD0", "P11 GMAC1 RXD1",
 249                                                        "V12 GMAC1 RXD2", "U12 GMAC1 RXD3",
 250                                                        "R10 GMAC1 TXD0", "T10 GMAC1 TXD1",
 251                                                        "U10 GMAC1 TXD2", "V10 GMAC1 TXD3";
 252                                                 skew-delay = <7>;
 253                                         };
 254                                         /* Appears in sl351x_gmac.c in the vendor code */
 255                                         conf9 {
 256                                                 pins = "U7 GMAC0 TXD0", "T7 GMAC0 TXD1",
 257                                                        "R7 GMAC0 TXD2", "P7 GMAC0 TXD3";
 258                                                 skew-delay = <5>;
 259                                         };
 260                                 };
 261                         };
 262                 };
 263
 264                 /* Both interfaces brought out on SATA connectors */
 265                 sata: sata@46000000 {
 266                         cortina,gemini-ata-muxmode = <0>;
 267                         cortina,gemini-enable-sata-bridge;
 268                         status = "okay";
 269                 };
 270
 271                 gpio0: gpio@4d000000 {
 272                         pinctrl-names = "default";
 273                         pinctrl-0 = <&gpio0_default_pins>;
 274                 };
 275
 276                 gpio1: gpio@4e000000 {
 277                         pinctrl-names = "default";
 278                         pinctrl-0 = <&gpio1_default_pins>;
 279                 };
 280
 281                 pci@50000000 {
 282                         status = "okay";
 283                         interrupt-map-mask = <0xf800 0 0 7>;
 284                         interrupt-map =
 285                                 <0x4800 0 0 1 &pci_intc 0>, /* Slot 9 */
 286                                 <0x4800 0 0 2 &pci_intc 1>,
 287                                 <0x4800 0 0 3 &pci_intc 2>,
 288                                 <0x4800 0 0 4 &pci_intc 3>,
 289                                 <0x5000 0 0 1 &pci_intc 1>, /* Slot 10 */
 290                                 <0x5000 0 0 2 &pci_intc 2>,
 291                                 <0x5000 0 0 3 &pci_intc 3>,
 292                                 <0x5000 0 0 4 &pci_intc 0>,
 293                                 <0x5800 0 0 1 &pci_intc 2>, /* Slot 11 */
 294                                 <0x5800 0 0 2 &pci_intc 3>,
 295                                 <0x5800 0 0 3 &pci_intc 0>,
 296                                 <0x5800 0 0 4 &pci_intc 1>,
 297                                 <0x6000 0 0 1 &pci_intc 3>, /* Slot 12 */
 298                                 <0x6000 0 0 2 &pci_intc 0>,
 299                                 <0x6000 0 0 3 &pci_intc 1>,
 300                                 <0x6000 0 0 4 &pci_intc 2>;
 301                 };
 302
 303                 ethernet@60000000 {
 304                         status = "okay";
 305
 306                         ethernet-port@0 {
 307                                 phy-mode = "rgmii";
 308                                 phy-handle = <&phy0>;
 309                         };
 310                         ethernet-port@1 {
 311                                 phy-mode = "rgmii";
 312                                 fixed-link {
 313                                         speed = <1000>;
 314                                         full-duplex;
 315                                         pause;
 316                                 };
 317                         };
 318                 };
 319
 320                 ata@63000000 {
 321                         status = "okay";
 322                 };
 323
 324                 ata@63400000 {
 325                         status = "okay";
 326                 };
 327         };
 328 };