1// SPDX-License-Identifier: GPL-2.0+ 2/dts-v1/; 3 4#include "aspeed-g4.dtsi" 5#include <dt-bindings/gpio/aspeed-gpio.h> 6 7/ { 8 model = "Palmetto BMC"; 9 compatible = "tyan,palmetto-bmc", "aspeed,ast2400"; 10 11 chosen { 12 stdout-path = &uart5; 13 bootargs = "console=ttyS4,115200 earlycon"; 14 }; 15 16 memory@40000000 { 17 reg = <0x40000000 0x20000000>; 18 }; 19 20 reserved-memory { 21 #address-cells = <1>; 22 #size-cells = <1>; 23 ranges; 24 25 vga_memory: framebuffer@5f000000 { 26 no-map; 27 reg = <0x5f000000 0x01000000>; /* 16M */ 28 }; 29 30 coldfire_memory: codefire_memory@5ee00000 { 31 reg = <0x5ee00000 0x00200000>; 32 no-map; 33 }; 34 35 flash_memory: region@5c000000 { 36 no-map; 37 reg = <0x5C000000 0x02000000>; /* 32MB */ 38 }; 39 }; 40 41 leds { 42 compatible = "gpio-leds"; 43 44 heartbeat { 45 gpios = <&gpio ASPEED_GPIO(R, 4) GPIO_ACTIVE_LOW>; 46 }; 47 48 power { 49 gpios = <&gpio ASPEED_GPIO(R, 5) GPIO_ACTIVE_LOW>; 50 }; 51 52 identify { 53 gpios = <&gpio ASPEED_GPIO(A, 2) GPIO_ACTIVE_LOW>; 54 }; 55 }; 56 57 fsi: gpio-fsi { 58 compatible = "aspeed,ast2400-cf-fsi-master", "fsi-master"; 59 #address-cells = <2>; 60 #size-cells = <0>; 61 62 memory-region = <&coldfire_memory>; 63 aspeed,sram = <&sram>; 64 aspeed,cvic = <&cvic>; 65 66 clock-gpios = <&gpio ASPEED_GPIO(A, 4) GPIO_ACTIVE_HIGH>; 67 data-gpios = <&gpio ASPEED_GPIO(A, 5) GPIO_ACTIVE_HIGH>; 68 mux-gpios = <&gpio ASPEED_GPIO(A, 6) GPIO_ACTIVE_HIGH>; 69 enable-gpios = <&gpio ASPEED_GPIO(D, 0) GPIO_ACTIVE_HIGH>; 70 trans-gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_HIGH>; 71 }; 72 73 gpio-keys { 74 compatible = "gpio-keys"; 75 76 event-checkstop { 77 label = "checkstop"; 78 gpios = <&gpio ASPEED_GPIO(P, 5) GPIO_ACTIVE_LOW>; 79 linux,code = <ASPEED_GPIO(P, 5)>; 80 }; 81 }; 82}; 83 84&fmc { 85 status = "okay"; 86 flash@0 { 87 status = "okay"; 88 m25p,fast-read; 89 label = "bmc"; 90 spi-max-frequency = <50000000>; 91#include "openbmc-flash-layout.dtsi" 92 }; 93}; 94 95&spi { 96 status = "okay"; 97 pinctrl-names = "default"; 98 pinctrl-0 = <&pinctrl_spi1debug_default>; 99 100 flash@0 { 101 status = "okay"; 102 m25p,fast-read; 103 spi-max-frequency = <50000000>; 104 label = "pnor"; 105 }; 106}; 107 108&pinctrl { 109 pinctrl-names = "default"; 110 pinctrl-0 = <&pinctrl_flbusy_default &pinctrl_flwp_default 111 112 &pinctrl_vgahs_default &pinctrl_vgavs_default 113 &pinctrl_ddcclk_default &pinctrl_ddcdat_default>; 114}; 115 116&uart1 { 117 /* Rear RS-232 connector */ 118 status = "okay"; 119 120 pinctrl-names = "default"; 121 pinctrl-0 = <&pinctrl_txd1_default 122 &pinctrl_rxd1_default 123 &pinctrl_nrts1_default 124 &pinctrl_ndtr1_default 125 &pinctrl_ndsr1_default 126 &pinctrl_ncts1_default 127 &pinctrl_ndcd1_default 128 &pinctrl_nri1_default>; 129}; 130 131&uart5 { 132 status = "okay"; 133}; 134 135&mac0 { 136 status = "okay"; 137 138 use-ncsi; 139 140 pinctrl-names = "default"; 141 pinctrl-0 = <&pinctrl_rmii1_default>; 142}; 143 144&i2c0 { 145 status = "okay"; 146 147 eeprom@50 { 148 compatible = "atmel,24c256"; 149 reg = <0x50>; 150 pagesize = <64>; 151 }; 152 153 rtc@68 { 154 compatible = "dallas,ds3231"; 155 reg = <0x68>; 156 }; 157}; 158 159&i2c1 { 160 status = "okay"; 161}; 162 163&i2c2 { 164 status = "okay"; 165 166 tmp423@4c { 167 compatible = "ti,tmp423"; 168 reg = <0x4c>; 169 }; 170}; 171 172&i2c3 { 173 status = "okay"; 174 175 occ-hwmon@50 { 176 compatible = "ibm,p8-occ-hwmon"; 177 reg = <0x50>; 178 }; 179}; 180 181&i2c4 { 182 status = "okay"; 183}; 184 185&i2c5 { 186 status = "okay"; 187}; 188 189&i2c6 { 190 status = "okay"; 191}; 192 193&i2c7 { 194 status = "okay"; 195}; 196 197&vuart { 198 status = "okay"; 199}; 200 201&ibt { 202 status = "okay"; 203}; 204 205&lpc_ctrl { 206 status = "okay"; 207 memory-region = <&flash_memory>; 208 flash = <&spi>; 209}; 210 211&gpio { 212 pin_func_mode0 { 213 gpio-hog; 214 gpios = <ASPEED_GPIO(C, 4) GPIO_ACTIVE_HIGH>; 215 output-low; 216 line-name = "func_mode0"; 217 }; 218 219 pin_func_mode1 { 220 gpio-hog; 221 gpios = <ASPEED_GPIO(C, 5) GPIO_ACTIVE_HIGH>; 222 output-low; 223 line-name = "func_mode1"; 224 }; 225 226 pin_func_mode2 { 227 gpio-hog; 228 gpios = <ASPEED_GPIO(C, 6) GPIO_ACTIVE_HIGH>; 229 output-low; 230 line-name = "func_mode2"; 231 }; 232 233 pin_gpio_a0 { 234 gpio-hog; 235 gpios = <ASPEED_GPIO(A, 0) GPIO_ACTIVE_HIGH>; 236 input; 237 line-name = "BMC_FAN_RESERVED_N"; 238 }; 239 240 pin_gpio_a1 { 241 gpio-hog; 242 gpios = <ASPEED_GPIO(A, 1) GPIO_ACTIVE_HIGH>; 243 output-high; 244 line-name = "APSS_WDT_N"; 245 }; 246 247 pin_gpio_b1 { 248 gpio-hog; 249 gpios = <ASPEED_GPIO(B, 1) GPIO_ACTIVE_HIGH>; 250 output-high; 251 line-name = "APSS_BOOT_MODE"; 252 }; 253 254 pin_gpio_b2 { 255 gpio-hog; 256 gpios = <ASPEED_GPIO(B, 2) GPIO_ACTIVE_HIGH>; 257 output-high; 258 line-name = "APSS_RESET_N"; 259 }; 260 261 pin_gpio_b7 { 262 gpio-hog; 263 gpios = <ASPEED_GPIO(B, 7) GPIO_ACTIVE_HIGH>; 264 output-high; 265 line-name = "SPIVID_STBY_RESET_N"; 266 }; 267 268 pin_gpio_d1 { 269 gpio-hog; 270 gpios = <ASPEED_GPIO(D, 1) GPIO_ACTIVE_HIGH>; 271 output-high; 272 line-name = "BMC_POWER_UP"; 273 }; 274 275 pin_gpio_f1 { 276 gpio-hog; 277 gpios = <ASPEED_GPIO(F, 1) GPIO_ACTIVE_HIGH>; 278 input; 279 line-name = "BMC_BATTERY_TEST"; 280 }; 281 282 pin_gpio_f4 { 283 gpio-hog; 284 gpios = <ASPEED_GPIO(F, 4) GPIO_ACTIVE_HIGH>; 285 input; 286 line-name = "AST_HW_FAULT_N"; 287 }; 288 289 pin_gpio_f5 { 290 gpio-hog; 291 gpios = <ASPEED_GPIO(F, 5) GPIO_ACTIVE_HIGH>; 292 input; 293 line-name = "AST_SYS_FAULT_N"; 294 }; 295 296 pin_gpio_f7 { 297 gpio-hog; 298 gpios = <ASPEED_GPIO(F, 7) GPIO_ACTIVE_HIGH>; 299 output-high; 300 line-name = "BMC_FULL_SPEED_N"; 301 }; 302 303 pin_gpio_g3 { 304 gpio-hog; 305 gpios = <ASPEED_GPIO(G, 3) GPIO_ACTIVE_HIGH>; 306 output-high; 307 line-name = "BMC_FAN_ERROR_N"; 308 }; 309 310 pin_gpio_g4 { 311 gpio-hog; 312 gpios = <ASPEED_GPIO(G, 4) GPIO_ACTIVE_HIGH>; 313 input; 314 line-name = "BMC_WDT_RST1_P"; 315 }; 316 317 pin_gpio_g5 { 318 gpio-hog; 319 gpios = <ASPEED_GPIO(G, 5) GPIO_ACTIVE_HIGH>; 320 input; 321 line-name = "BMC_WDT_RST2_P"; 322 }; 323 324 pin_gpio_h0 { 325 gpio-hog; 326 gpios = <ASPEED_GPIO(H, 0) GPIO_ACTIVE_HIGH>; 327 input; 328 line-name = "PE_SLOT_TEST_EN_N"; 329 }; 330 331 pin_gpio_h1 { 332 gpio-hog; 333 gpios = <ASPEED_GPIO(H, 1) GPIO_ACTIVE_HIGH>; 334 input; 335 line-name = "BMC_RTCRST_N"; 336 }; 337 338 pin_gpio_h2 { 339 gpio-hog; 340 gpios = <ASPEED_GPIO(H, 2) GPIO_ACTIVE_HIGH>; 341 output-high; 342 line-name = "SYS_PWROK_BMC"; 343 }; 344 345 pin_gpio_h7 { 346 gpio-hog; 347 gpios = <ASPEED_GPIO(H, 7) GPIO_ACTIVE_HIGH>; 348 output-high; 349 line-name = "BMC_TPM_INT_N"; 350 }; 351}; 352 353&fsi { 354 cfam@0,0 { 355 reg = <0 0>; 356 #address-cells = <1>; 357 #size-cells = <1>; 358 chip-id = <0>; 359 360 scom@1000 { 361 compatible = "ibm,fsi2pib"; 362 reg = <0x1000 0x400>; 363 }; 364 365 fsi_hub0: hub@3400 { 366 compatible = "ibm,fsi-master-hub"; 367 reg = <0x3400 0x400>; 368 #address-cells = <2>; 369 #size-cells = <0>; 370 no-scan-on-init; 371 }; 372 }; 373}; 374