1/* 2 * dts file for Hisilicon HiKey Development Board 3 * 4 * Copyright (C) 2015, Hisilicon Ltd. 5 * 6 */ 7 8/dts-v1/; 9#include "hi6220.dtsi" 10#include "hikey-pinctrl.dtsi" 11#include <dt-bindings/gpio/gpio.h> 12 13/ { 14 model = "HiKey Development Board"; 15 compatible = "hisilicon,hi6220-hikey", "hisilicon,hi6220"; 16 17 aliases { 18 serial0 = &uart0; /* On board UART0 */ 19 serial1 = &uart1; /* BT UART */ 20 serial2 = &uart2; /* LS Expansion UART0 */ 21 serial3 = &uart3; /* LS Expansion UART1 */ 22 }; 23 24 chosen { 25 stdout-path = "serial3:115200n8"; 26 }; 27 28 /* 29 * Reserve below regions from memory node: 30 * 31 * 0x05e0,0000 - 0x05ef,ffff: MCU firmware runtime using 32 * 0x06df,f000 - 0x06df,ffff: Mailbox message data 33 * 0x0740,f000 - 0x0740,ffff: MCU firmware section 34 * 0x3e00,0000 - 0x3fff,ffff: OP-TEE 35 */ 36 memory@0 { 37 device_type = "memory"; 38 reg = <0x00000000 0x00000000 0x00000000 0x05e00000>, 39 <0x00000000 0x05f00000 0x00000000 0x00eff000>, 40 <0x00000000 0x06e00000 0x00000000 0x0060f000>, 41 <0x00000000 0x07410000 0x00000000 0x36bf0000>; 42 }; 43 44 soc { 45 spi0: spi@f7106000 { 46 status = "ok"; 47 }; 48 49 i2c0: i2c@f7100000 { 50 status = "ok"; 51 }; 52 53 i2c1: i2c@f7101000 { 54 status = "ok"; 55 }; 56 57 uart1: uart@f7111000 { 58 assigned-clocks = <&sys_ctrl HI6220_UART1_SRC>; 59 assigned-clock-rates = <150000000>; 60 status = "ok"; 61 }; 62 63 uart2: uart@f7112000 { 64 status = "ok"; 65 }; 66 67 uart3: uart@f7113000 { 68 status = "ok"; 69 }; 70 71 /* 72 * Legend: proper name = the GPIO line is used as GPIO 73 * NC = not connected (not routed from the SoC) 74 * "[PER]" = pin is muxed for peripheral (not GPIO) 75 * "" = no idea, schematic doesn't say, could be 76 * unrouted (not connected to any external pin) 77 * LSEC = Low Speed External Connector 78 * HSEC = High Speed External Connector 79 * 80 * Pin assignments taken from LeMaker and CircuitCo Schematics 81 * Rev A1. 82 * 83 * For the lines routed to the external connectors the 84 * lines are named after the 96Boards CE Specification 1.0, 85 * Appendix "Expansion Connector Signal Description". 86 * 87 * When the 96Board naming of a line and the schematic name of 88 * the same line are in conflict, the 96Board specification 89 * takes precedence, which means that the external UART on the 90 * LSEC is named UART0 while the schematic and SoC names this 91 * UART2. This is only for the informational lines i.e. "[FOO]", 92 * the GPIO named lines "GPIO-A" thru "GPIO-L" are the only 93 * ones actually used for GPIO. 94 */ 95 gpio0: gpio@f8011000 { 96 gpio-line-names = "PWR_HOLD", "DSI_SEL", 97 "USB_HUB_RESET_N", "USB_SEL", "HDMI_PD", "WL_REG_ON", 98 "PWRON_DET", "5V_HUB_EN"; 99 }; 100 101 gpio1: gpio@f8012000 { 102 gpio-line-names = "SD_DET", "HDMI_INT", "PMU_IRQ_N", 103 "WL_HOST_WAKE", "NC", "NC", "NC", "BT_REG_ON"; 104 }; 105 106 gpio2: gpio@f8013000 { 107 gpio-line-names = 108 "GPIO-A", /* LSEC Pin 23: GPIO2_0 */ 109 "GPIO-B", /* LSEC Pin 24: GPIO2_1 */ 110 "GPIO-C", /* LSEC Pin 25: GPIO2_2 */ 111 "GPIO-D", /* LSEC Pin 26: GPIO2_3 */ 112 "GPIO-E", /* LSEC Pin 27: GPIO2_4 */ 113 "USB_ID_DET", "USB_VBUS_DET", 114 "GPIO-H"; /* LSEC Pin 30: GPIO2_7 */ 115 }; 116 117 gpio3: gpio@f8014000 { 118 gpio-line-names = "GPIO3_0", "NC", "NC", "", "NC", "", 119 "WLAN_ACTIVE", "NC", "NC"; 120 }; 121 122 gpio4: gpio@f7020000 { 123 gpio-line-names = "USER_LED1", "USER_LED2", "USER_LED3", 124 "USER_LED4", "SD_SEL", "NC", "NC", "BT_ACTIVE"; 125 }; 126 127 gpio5: gpio@f7021000 { 128 gpio-line-names = "NC", "NC", 129 "[UART1_RxD]", /* LSEC Pin 11: UART3_RX */ 130 "[UART1_TxD]", /* LSEC Pin 13: UART3_TX */ 131 "[AUX_SSI1]", "NC", 132 "[PCM_CLK]", /* LSEC Pin 18: MODEM_PCM_XCLK */ 133 "[PCM_FS]"; /* LSEC Pin 16: MODEM_PCM_XFS */ 134 }; 135 136 gpio6: gpio@f7022000 { 137 gpio-line-names = 138 "[SPI0_DIN]", /* Pin 10: SPI0_DI */ 139 "[SPI0_DOUT]", /* Pin 14: SPI0_DO */ 140 "[SPI0_CS]", /* Pin 12: SPI0_CS_N */ 141 "[SPI0_SCLK]", /* Pin 8: SPI0_SCLK */ 142 "NC", "NC", "NC", 143 "GPIO-G"; /* Pin 29: GPIO6_7_DSI_TE0 */ 144 }; 145 146 gpio7: gpio@f7023000 { 147 gpio-line-names = "NC", "NC", "NC", "NC", 148 "[PCM_DI]", /* Pin 22: MODEM_PCM_DI */ 149 "[PCM_DO]", /* Pin 20: MODEM_PCM_DO */ 150 "NC", "NC"; 151 }; 152 153 gpio8: gpio@f7024000 { 154 gpio-line-names = "NC", "[CEC_CLK_19_2MHZ]", "NC", 155 "", "", "", "", "", ""; 156 }; 157 158 gpio9: gpio@f7025000 { 159 gpio-line-names = "", 160 "GPIO-J", /* LSEC Pin 32: ISP_PWDN0_GPIO9_1 */ 161 "GPIO-L", /* LSEC Pin 34: ISP_PWDN1_GPIO9_2 */ 162 "NC", "NC", "NC", "NC", "[ISP_CCLK0]"; 163 }; 164 165 gpio10: gpio@f7026000 { 166 gpio-line-names = "BOOT_SEL", 167 "[ISP_CCLK1]", 168 "GPIO-I", /* LSEC Pin 31: ISP_RSTB0_GPIO10_2 */ 169 "GPIO-K", /* LSEC Pin 33: ISP_RSTB1_GPIO10_3 */ 170 "NC", "NC", 171 "[I2C2_SDA]", /* HSEC Pin 34: ISP0_SDA */ 172 "[I2C2_SCL]"; /* HSEC Pin 32: ISP0_SCL */ 173 }; 174 175 gpio11: gpio@f7027000 { 176 gpio-line-names = 177 "[I2C3_SDA]", /* HSEC Pin 38: ISP1_SDA */ 178 "[I2C3_SCL]", /* HSEC Pin 36: ISP1_SCL */ 179 "", "NC", "NC", "NC", "", ""; 180 }; 181 182 gpio12: gpio@f7028000 { 183 gpio-line-names = "[BT_PCM_XFS]", "[BT_PCM_DI]", 184 "[BT_PCM_DO]", 185 "NC", "NC", "NC", "NC", 186 "GPIO-F"; /* LSEC Pin 28: BL_PWM_GPIO12_7 */ 187 }; 188 189 gpio13: gpio@f7029000 { 190 gpio-line-names = "[UART0_RX]", "[UART0_TX]", 191 "[BT_UART1_CTS]", "[BT_UART1_RTS]", 192 "[BT_UART1_RX]", "[BT_UART1_TX]", 193 "[UART0_CTS]", /* LSEC Pin 3: UART2_CTS_N */ 194 "[UART0_RTS]"; /* LSEC Pin 9: UART2_RTS_N */ 195 }; 196 197 gpio14: gpio@f702a000 { 198 gpio-line-names = 199 "[UART0_RxD]", /* LSEC Pin 7: UART2_RX */ 200 "[UART0_TxD]", /* LSEC Pin 5: UART2_TX */ 201 "[I2C0_SCL]", /* LSEC Pin 15: I2C0_SCL */ 202 "[I2C0_SDA]", /* LSEC Pin 17: I2C0_SDA */ 203 "[I2C1_SCL]", /* LSEC Pin 19: I2C1_SCL */ 204 "[I2C1_SDA]", /* LSEC Pin 21: I2C1_SDA */ 205 "[I2C2_SCL]", "[I2C2_SDA]"; 206 }; 207 208 gpio15: gpio@f702b000 { 209 gpio-line-names = "", "", "", "", "", "", "NC", ""; 210 }; 211 212 /* GPIO blocks 16 thru 19 do not appear to be routed to pins */ 213 214 dwmmc_2: dwmmc2@f723f000 { 215 ti,non-removable; 216 non-removable; 217 /* WL_EN */ 218 vmmc-supply = <&wlan_en_reg>; 219 220 #address-cells = <0x1>; 221 #size-cells = <0x0>; 222 wlcore: wlcore@2 { 223 compatible = "ti,wl1835"; 224 reg = <2>; /* sdio func num */ 225 /* WL_IRQ, WL_HOST_WAKE_GPIO1_3 */ 226 interrupt-parent = <&gpio1>; 227 interrupts = <3 IRQ_TYPE_EDGE_RISING>; 228 }; 229 }; 230 231 wlan_en_reg: regulator@1 { 232 compatible = "regulator-fixed"; 233 regulator-name = "wlan-en-regulator"; 234 regulator-min-microvolt = <1800000>; 235 regulator-max-microvolt = <1800000>; 236 /* WLAN_EN GPIO */ 237 gpio = <&gpio0 5 0>; 238 /* WLAN card specific delay */ 239 startup-delay-us = <70000>; 240 enable-active-high; 241 }; 242 }; 243 244 leds { 245 compatible = "gpio-leds"; 246 user_led4 { 247 label = "user_led4"; 248 gpios = <&gpio4 0 0>; /* <&gpio_user_led_1>; */ 249 linux,default-trigger = "heartbeat"; 250 }; 251 252 user_led3 { 253 label = "user_led3"; 254 gpios = <&gpio4 1 0>; /* <&gpio_user_led_2>; */ 255 linux,default-trigger = "mmc0"; 256 }; 257 258 user_led2 { 259 label = "user_led2"; 260 gpios = <&gpio4 2 0>; /* <&gpio_user_led_3>; */ 261 linux,default-trigger = "mmc1"; 262 }; 263 264 user_led1 { 265 label = "user_led1"; 266 gpios = <&gpio4 3 0>; /* <&gpio_user_led_4>; */ 267 linux,default-trigger = "cpu0"; 268 }; 269 270 wlan_active_led { 271 label = "wifi_active"; 272 gpios = <&gpio3 5 0>; /* <&gpio_wlan_active_led>; */ 273 linux,default-trigger = "phy0tx"; 274 default-state = "off"; 275 }; 276 277 bt_active_led { 278 label = "bt_active"; 279 gpios = <&gpio4 7 0>; /* <&gpio_bt_active_led>; */ 280 linux,default-trigger = "hci0rx"; 281 default-state = "off"; 282 }; 283 }; 284 285 pmic: pmic@f8000000 { 286 compatible = "hisilicon,hi655x-pmic"; 287 reg = <0x0 0xf8000000 0x0 0x1000>; 288 interrupt-controller; 289 #interrupt-cells = <2>; 290 pmic-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; 291 292 regulators { 293 ldo2: LDO2 { 294 regulator-name = "LDO2_2V8"; 295 regulator-min-microvolt = <2500000>; 296 regulator-max-microvolt = <3200000>; 297 regulator-enable-ramp-delay = <120>; 298 }; 299 300 ldo7: LDO7 { 301 regulator-name = "LDO7_SDIO"; 302 regulator-min-microvolt = <1800000>; 303 regulator-max-microvolt = <3300000>; 304 regulator-enable-ramp-delay = <120>; 305 }; 306 307 ldo10: LDO10 { 308 regulator-name = "LDO10_2V85"; 309 regulator-min-microvolt = <1800000>; 310 regulator-max-microvolt = <3000000>; 311 regulator-enable-ramp-delay = <360>; 312 }; 313 314 ldo13: LDO13 { 315 regulator-name = "LDO13_1V8"; 316 regulator-min-microvolt = <1600000>; 317 regulator-max-microvolt = <1950000>; 318 regulator-enable-ramp-delay = <120>; 319 }; 320 321 ldo14: LDO14 { 322 regulator-name = "LDO14_2V8"; 323 regulator-min-microvolt = <2500000>; 324 regulator-max-microvolt = <3200000>; 325 regulator-enable-ramp-delay = <120>; 326 }; 327 328 ldo15: LDO15 { 329 regulator-name = "LDO15_1V8"; 330 regulator-min-microvolt = <1600000>; 331 regulator-max-microvolt = <1950000>; 332 regulator-boot-on; 333 regulator-always-on; 334 regulator-enable-ramp-delay = <120>; 335 }; 336 337 ldo17: LDO17 { 338 regulator-name = "LDO17_2V5"; 339 regulator-min-microvolt = <2500000>; 340 regulator-max-microvolt = <3200000>; 341 regulator-enable-ramp-delay = <120>; 342 }; 343 344 ldo19: LDO19 { 345 regulator-name = "LDO19_3V0"; 346 regulator-min-microvolt = <1800000>; 347 regulator-max-microvolt = <3000000>; 348 regulator-enable-ramp-delay = <360>; 349 }; 350 351 ldo21: LDO21 { 352 regulator-name = "LDO21_1V8"; 353 regulator-min-microvolt = <1650000>; 354 regulator-max-microvolt = <2000000>; 355 regulator-always-on; 356 regulator-enable-ramp-delay = <120>; 357 }; 358 359 ldo22: LDO22 { 360 regulator-name = "LDO22_1V2"; 361 regulator-min-microvolt = <900000>; 362 regulator-max-microvolt = <1200000>; 363 regulator-boot-on; 364 regulator-always-on; 365 regulator-enable-ramp-delay = <120>; 366 }; 367 }; 368 }; 369}; 370 371&uart2 { 372 label = "LS-UART0"; 373}; 374&uart3 { 375 label = "LS-UART1"; 376}; 377