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}; 329