1// SPDX-License-Identifier: GPL-2.0 2/* 3 * dts file for Hisilicon HiKey970 Development Board 4 * 5 * Copyright (C) 2016, Hisilicon Ltd. 6 * Copyright (C) 2018, Linaro Ltd. 7 * 8 */ 9 10/dts-v1/; 11#include <dt-bindings/gpio/gpio.h> 12 13#include "hi3670.dtsi" 14#include "hikey970-pinctrl.dtsi" 15 16/ { 17 model = "HiKey970"; 18 compatible = "hisilicon,hi3670-hikey970", "hisilicon,hi3670"; 19 20 aliases { 21 mshc1 = &dwmmc1; 22 mshc2 = &dwmmc2; 23 serial0 = &uart0; 24 serial1 = &uart1; 25 serial2 = &uart2; 26 serial3 = &uart3; 27 serial4 = &uart4; 28 serial5 = &uart5; 29 serial6 = &uart6; /* console UART */ 30 }; 31 32 chosen { 33 stdout-path = "serial6:115200n8"; 34 }; 35 36 memory@0 { 37 device_type = "memory"; 38 /* expect bootloader to fill in this region */ 39 reg = <0x0 0x0 0x0 0x0>; 40 }; 41 42 sd_1v8: regulator-1v8 { 43 compatible = "regulator-fixed"; 44 regulator-name = "fixed-1.8V"; 45 regulator-min-microvolt = <1800000>; 46 regulator-max-microvolt = <1800000>; 47 regulator-always-on; 48 }; 49 50 sd_3v3: regulator-3v3 { 51 compatible = "regulator-fixed"; 52 regulator-name = "fixed-3.3V"; 53 regulator-min-microvolt = <3300000>; 54 regulator-max-microvolt = <3300000>; 55 regulator-boot-on; 56 regulator-always-on; 57 }; 58 59 wlan_en: wlan-en-1-8v { 60 compatible = "regulator-fixed"; 61 regulator-name = "wlan-en-regulator"; 62 regulator-min-microvolt = <1800000>; 63 regulator-max-microvolt = <1800000>; 64 65 /* GPIO_051_WIFI_EN */ 66 gpio = <&gpio6 3 0>; 67 68 /* WLAN card specific delay */ 69 startup-delay-us = <70000>; 70 enable-active-high; 71 }; 72}; 73 74/* 75 * Legend: proper name = the GPIO line is used as GPIO 76 * NC = not connected (pin out but not routed from the chip to 77 * anything the board) 78 * "[PER]" = pin is muxed for [peripheral] (not GPIO) 79 * "" = no idea, schematic doesn't say, could be 80 * unrouted (not connected to any external pin) 81 * LSEC = Low Speed External Connector 82 * HSEC = High Speed External Connector 83 * 84 * Line names are taken from "hikey970-schematics.pdf" from HiSilicon. 85 * 86 * For the lines routed to the external connectors the 87 * lines are named after the 96Boards CE Specification 1.0, 88 * Appendix "Expansion Connector Signal Description". 89 * 90 * When the 96Board naming of a line and the schematic name of 91 * the same line are in conflict, the 96Board specification 92 * takes precedence, which means that the external UART on the 93 * LSEC is named UART0 while the schematic and SoC names this 94 * UART2. This is only for the informational lines i.e. "[FOO]", 95 * the GPIO named lines "GPIO-A" thru "GPIO-L" are the only 96 * ones actually used for GPIO. 97 */ 98&gpio0 { 99 /* GPIO_000-GPIO_007 */ 100 gpio-line-names = 101 "", 102 "TP901", /* TEST_MODE connected to TP901 */ 103 "", 104 "GPIO_003_USB_HUB_RESET_N", 105 "NC", 106 "[AP_GPS_REF_CLK]", 107 "[I2C3_SCL]", 108 "[I2C3_SDA]"; 109}; 110 111&gpio1 { 112 /* GPIO_008-GPIO_015 */ 113 gpio-line-names = 114 "[UART0_CTS]", /* LSEC pin 3: GPIO_008_UART2_CTS_N */ 115 "[UART0_RTS]", /* LSEC pin 9: GPIO_009_UART2_RTS_N */ 116 "[UART0_TXD]", /* LSEC pin 5: GPIO_010_UART2_TXD */ 117 "[UART0_RXD]", /* LSEC pin 7: GPIO_011_UART2_RXD */ 118 "[USER_LED5]", 119 "GPIO-I", /* LSEC pin 31: GPIO_013_CAM0_RST_N */ 120 "[USER_LED3]", 121 "[USER_LED4]"; 122}; 123 124&gpio2 { 125 /* GPIO_016-GPIO_023 */ 126 gpio-line-names = 127 "GPIO-G", /* LSEC pin 29: GPIO_016_LCD_TE0 */ 128 "[CSI0_MCLK]", /* HSEC pin 15: ISP_CCLK0_MCAM */ 129 "[CSI1_MCLK]", /* HSEC pin 17: ISP_CCLK1_SCAM */ 130 "GPIO_019_BT_ACTIVE", 131 "[I2C2_SCL]", /* HSEC pin 32: ISP_SCL0 */ 132 "[I2C2_SDA]", /* HSEC pin 34: ISP_SDA0 */ 133 "[I2C3_SCL]", /* HSEC pin 36: ISP_SCL1 */ 134 "[I2C3_SDA]"; /* HSEC pin 38: ISP_SDA1 */ 135}; 136 137&gpio3 { 138 /* GPIO_024-GPIO_031 */ 139 gpio-line-names = 140 "GPIO_024_WIFI_ACTIVE", 141 "GPIO_025_PERST_M.2", 142 "[I2C4_SCL]", 143 "[I2C4_SDA]", 144 "NC", 145 "GPIO-H", /* LSEC pin 30: GPIO_029_LCD_RST_N */ 146 "[USER_LED1]", 147 "GPIO-L"; /* LSEC pin 34: GPIO_031 */ 148}; 149 150&gpio4 { 151 /* GPIO_032-GPIO_039 */ 152 gpio-line-names = 153 "GPIO-K", /* LSEC pin 33: GPIO_032_CAM1_RST_N */ 154 "GPIO_033_PMU1_EN", 155 "GPIO_034_USBSW_SEL", 156 /* 157 * These two pins should be used for SD(IO) data according 158 * to the 96boards specification but seems to be repurposed 159 * for UART 0. They are however named according to the spec. 160 */ 161 "[SD_DAT1]", /* HSEC pin 3: GPIO_035_UART0_RXD */ 162 "[SD_DAT2]", /* HSEC pin 5: GPIO_036_UART0_TXD */ 163 "[UART1_RXD]", /* LSEC pin 13: DEBUG_UART6_RXD */ 164 "[UART1_TXD]", /* LSEC pin 11: DEBUG_UART6_TXD */ 165 "[SOC_GPS_UART3_CTS_N]"; /* TP2304 */ 166}; 167 168&gpio5 { 169 /* GPIO_040-GPIO_047 */ 170 gpio-line-names = 171 "[SOC_GPS_UART3_RTS_N]", /* TP2302 */ 172 "[SOC_GPS_UART3_RXD]", /* TP2303 */ 173 "[SOC_GPS_UART3_TXD]", /* TP2305 */ 174 "[SOC_BT_UART4_CTS_N]", 175 "[SOC_BT_UART4_RTS_N]", 176 "[SOC_BT_UART4_RXD]", 177 "[SOC_BT_UART4_TXD]", 178 "NC"; 179}; 180 181&gpio6 { 182 /* GPIO_048-GPIO_055 */ 183 gpio-line-names = 184 "NC", 185 "GPIO_049_USER_LED6", 186 "GPIO_050_CAN_RST", 187 "GPIO_051_WIFI_EN", 188 "GPIO-D", /* LSEC pin 26 */ 189 "GPIO-J", /* LSEC pin 32 */ 190 "GPIO_054_BT_EN", 191 "[GPIO_055_SEL]"; 192}; 193 194&gpio7 { 195 /* GPIO_056-GPIO_063 */ 196 gpio-line-names = 197 "[PCIE_PERST_L]", "NC", "NC", "NC", "NC", "NC", "NC", "NC"; 198}; 199 200&gpio8 { 201 /* GPIO_064-GPIO_071 */ 202 gpio-line-names = "NC", "NC", "NC", "NC", "NC", "NC", "NC", "NC"; 203}; 204 205&gpio9 { 206 /* GPIO_072-GPIO_079 */ 207 gpio-line-names = "NC", "NC", "NC", "NC", "NC", "NC", "NC", "NC"; 208}; 209 210&gpio10 { 211 /* GPIO_080-GPIO_087 */ 212 gpio-line-names = "NC", "NC", "NC", "NC", "NC", "NC", "NC", "NC"; 213}; 214 215&gpio11 { 216 /* GPIO_088-GPIO_095 */ 217 gpio-line-names = "NC", "NC", "NC", "NC", "NC", "NC", "NC", "NC"; 218}; 219 220&gpio12 { 221 /* GPIO_096-GPIO_103 */ 222 gpio-line-names = "NC", "", "", "", "", "", "", ""; 223}; 224 225&gpio13 { 226 /* GPIO_104-GPIO_111 */ 227 gpio-line-names = "", "", "", "", "", "", "", ""; 228}; 229 230&gpio14 { 231 /* GPIO_112-GPIO_119 */ 232 gpio-line-names = "", "", "", "", "", "", "", ""; 233}; 234 235&gpio15 { 236 /* GPIO_120-GPIO_127 */ 237 gpio-line-names = "", "", "", "", "", "", "", ""; 238}; 239 240&gpio16 { 241 /* GPIO_128-GPIO_135 */ 242 gpio-line-names = 243 "[WL_SDIO_CLK]", 244 "[WL_SDIO_CMD]", 245 "[WL_SDIO_DATA0]", 246 "[WL_SDIO_DATA1]", 247 "[WL_SDIO_DATA2]", 248 "[WL_SDIO_DATA3]", 249 "[ETH_ISOLATE]", 250 "NC"; 251}; 252 253&gpio17 { 254 /* GPIO_136-GPIO_143 */ 255 gpio-line-names = 256 "[MINI1CLK_EN]", "NC", "", "", "", "", "", ""; 257}; 258 259&gpio18 { 260 /* GPIO_144-GPIO_151 */ 261 gpio-line-names = 262 "[SPI1_SCLK]", /* HSEC pin 9: GPIO_144_SPI3_CLK */ 263 "[SPI1_DIN]", /* HSEC pin 11: GPIO_145_SPI3_DI */ 264 "[SPI1_DOUT]", /* HSEC pin 1: GPIO_146_SPI3_DO */ 265 "[SPI1_CS]", /* HSEC pin 7: GPIO_147_SPI3_CS0_N */ 266 "[POWER_INT_N]", 267 "[CDMA_GPS_SYNC]", 268 "GPIO_150_PEX_INTA", 269 "GPIO_151_CAN_INT"; 270}; 271 272&gpio19 { 273 /* GPIO_152-GPIO_159 */ 274 gpio-line-names = "", "", "", "", "", "", "", ""; 275}; 276 277&gpio20 { 278 /* GPIO_160-GPIO_167 */ 279 gpio-line-names = 280 "[SD_CLK]", 281 "[SD_CMD]", 282 "[SD_DATA0]", 283 "[SD_DATA1]", 284 "[SD_DATA2]", 285 "[SD_DATA3]", 286 "GPIO_166_ETHCLK_EN", 287 "GPIO_167_USER_LED2"; 288}; 289 290&gpio21 { 291 /* GPIO_168-GPIO_175 */ 292 gpio-line-names = 293 "GPIO_168_GPS_EN", 294 "GPIO-C", /* LSEC pin 25: GPIO_169_USIM1_CLK */ 295 "GPIO-E", /* LSEC pin 27: GPIO_170_USIM1_RST */ 296 "GPIO-B", /* LSEC pin 24: GPIO_171_USIM1_DATA */ 297 "", "", "", "", ""; 298}; 299 300&gpio22 { 301 /* GPIO_176-GPIO_183 */ 302 gpio-line-names = 303 "[PMU_PWR_HOLD]", 304 "GPIO_177_WL_WAKEUP_AP", 305 "[JTAG_TCK]", 306 "[JTAG_TMS]", 307 "[JTAG_TDI]", 308 "[JTAG_TMS]", 309 "GPIO_182_FATAL_ERR", 310 "NC"; 311}; 312 313&gpio23 { 314 /* GPIO_184-GPIO_191 */ 315 gpio-line-names = 316 "GPIO_184_JTAG_SEL", 317 "GPIO-F", /* LSEC pin 28: GPIO_185_LCD_BL_PWM */ 318 "[I2C0_SCL]", /* LSEC pin 15: GPIO_186_I2C0_SCL */ 319 "[I2C0_SDA]", /* LSEC pin 17: GPIO_187_I2C0_SDA */ 320 "[GPIO_188_I2C1_SCL]", /* Actual SoC I2C1_SCL */ 321 "[GPIO_189_I2C1_SDA]", /* Actual SoC I2C1_SDA */ 322 "[I2C1_SCL]", /* LSEC pin 19: GPIO_190_I2C2_SCL */ 323 "[I2C2_SDA]"; /* LSEC pin 21: GPIO_191_I2C2_SDA */ 324}; 325 326&gpio24 { 327 /* GPIO_192-GPIO_199 */ 328 gpio-line-names = 329 "[SD_LED]", 330 "NC", 331 "[PCM_DI]", /* LSEC pin 22: GPIO_194_I2S0_DI */ 332 "[PCM_DO]", /* LSEC pin 20: GPIO_195_I2S0_DO */ 333 "[PCM_CLK]", /* LSEC pin 18: GPIO_196_I2S0_XCLK */ 334 "[PCM_FS]", /* LSEC pin 16: GPIO_197_I2S0_XFS */ 335 "", 336 "[I2S2_DO]"; 337}; 338 339&gpio25 { 340 /* GPIO_200-GPIO_207 */ 341 gpio-line-names = 342 "[I2S2_XCLK]", 343 "[I2S2_XFS]", 344 "GPIO_202_PERST_ETH", 345 "GPIO_203_PWRON_DET", 346 "GPIO_204_PMU1_IRQ_N", 347 "GPIO_205_SD_DET", 348 "GPIO_206_GPS_MOTION_INT", 349 "GPIO_207_HDMI_SEL"; 350}; 351 352&gpio26 { 353 /* GPIO_208-GPIO_215 */ 354 gpio-line-names = 355 "GPIO-A", /* LSEC pin 23: GPIO_208_WAKEUP_SOC */ 356 "GPIO_209_VBUS_TYPEC", 357 "NC", 358 "NC", 359 "NC", 360 "[SPI0_SCLK]", /* LSEC pin 8: GPIO_213_SPI2_CLK */ 361 "[SPI0_DIN]", /* LSEC pin 10: GPIO_214_SPI2_DI */ 362 "[SPI0_DOUT]"; /* LSEC pin 14: GPIO_215_SPI2_DO */ 363}; 364 365&gpio27 { 366 /* GPIO_216-GPIO_223 */ 367 gpio-line-names = 368 "[SPI0_CS]", /* LSEC pin 12: GPIO_216_SPI2_CS0_N */ 369 "GPIO_217_HDMI_PD", 370 "GPIO_218_GPS_WAKEUP_AP", 371 "GPIO_219_M.2CLK_EN", 372 "GPIO_220_PERST_MINI", 373 "GPIO_221_CC_INT", 374 "[PCIE_CLKREQ_L]", 375 "NC"; 376}; 377 378&gpio28 { 379 /* GPIO_224-GPIO_231 */ 380 gpio-line-names = 381 "[PMU0_INT]", 382 "[SPMI_DATA]", 383 "[SPMI_CLK]", 384 "[CAN_SPI_CLK]", 385 "[CAN_SPI_DI]", 386 "[CAN_SPI_DO]", 387 "[CAN_SPI_CS]", 388 "GPIO_231_HDMI_INT"; 389}; 390 391&dwmmc1 { 392 bus-width = <0x4>; 393 sd-uhs-sdr12; 394 sd-uhs-sdr25; 395 sd-uhs-sdr50; 396 sd-uhs-sdr104; 397 cap-sd-highspeed; 398 disable-wp; 399 cd-inverted; 400 cd-gpios = <&gpio25 5 GPIO_ACTIVE_HIGH>; 401 pinctrl-names = "default"; 402 pinctrl-0 = <&sd_pmx_func 403 &sd_clk_cfg_func 404 &sd_cfg_func>; 405 vmmc-supply = <&sd_3v3>; 406 vqmmc-supply = <&sd_1v8>; 407 status = "okay"; 408}; 409 410&dwmmc2 { /* WIFI */ 411 bus-width = <0x4>; 412 non-removable; 413 broken-cd; 414 cap-power-off-card; 415 pinctrl-names = "default"; 416 pinctrl-0 = <&sdio_pmx_func 417 &sdio_clk_cfg_func 418 &sdio_cfg_func>; 419 /* WL_EN */ 420 vmmc-supply = <&wlan_en>; 421 status = "ok"; 422 423 wlcore: wlcore@2 { 424 compatible = "ti,wl1837"; 425 reg = <2>; /* sdio func num */ 426 /* WL_IRQ, GPIO_177_WL_WAKEUP_AP */ 427 interrupt-parent = <&gpio22>; 428 interrupts = <1 IRQ_TYPE_EDGE_RISING>; 429 }; 430}; 431 432&uart0 { 433 /* On High speed expansion header */ 434 label = "HS-UART0"; 435 status = "okay"; 436}; 437 438&uart2 { 439 /* On Low speed expansion header */ 440 label = "LS-UART0"; 441 status = "okay"; 442}; 443 444&uart6 { 445 /* On Low speed expansion header */ 446 label = "LS-UART1"; 447 status = "okay"; 448}; 449