1/* 2 * Copyright (c) 2015 Heiko Stuebner <heiko@sntech.de> 3 * 4 * This file is dual-licensed: you can use it either under the terms 5 * of the GPL or the X11 license, at your option. Note that this dual 6 * licensing only applies to this file, and not this project as a 7 * whole. 8 * 9 * a) This file is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License as 11 * published by the Free Software Foundation; either version 2 of the 12 * License, or (at your option) any later version. 13 * 14 * This file is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * Or, alternatively, 20 * 21 * b) Permission is hereby granted, free of charge, to any person 22 * obtaining a copy of this software and associated documentation 23 * files (the "Software"), to deal in the Software without 24 * restriction, including without limitation the rights to use, 25 * copy, modify, merge, publish, distribute, sublicense, and/or 26 * sell copies of the Software, and to permit persons to whom the 27 * Software is furnished to do so, subject to the following 28 * conditions: 29 * 30 * The above copyright notice and this permission notice shall be 31 * included in all copies or substantial portions of the Software. 32 * 33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 34 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 35 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 36 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 37 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 38 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 39 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 40 * OTHER DEALINGS IN THE SOFTWARE. 41 */ 42 43/dts-v1/; 44#include "rk3368.dtsi" 45#include <dt-bindings/input/input.h> 46 47/ { 48 model = "Rockchip R88"; 49 compatible = "rockchip,r88", "rockchip,rk3368"; 50 51 chosen { 52 stdout-path = "serial2:115200n8"; 53 }; 54 55 memory { 56 device_type = "memory"; 57 reg = <0x0 0x0 0x0 0x40000000>; 58 }; 59 60 emmc_pwrseq: emmc-pwrseq { 61 compatible = "mmc-pwrseq-emmc"; 62 pinctrl-0 = <&emmc_reset>; 63 pinctrl-names = "default"; 64 reset-gpios = <&gpio2 RK_PA3 GPIO_ACTIVE_HIGH>; 65 }; 66 67 keys: gpio-keys { 68 compatible = "gpio-keys"; 69 pinctrl-names = "default"; 70 pinctrl-0 = <&pwr_key>; 71 72 power { 73 wakeup-source; 74 gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_LOW>; 75 label = "GPIO Power"; 76 linux,code = <KEY_POWER>; 77 }; 78 }; 79 80 leds: gpio-leds { 81 compatible = "gpio-leds"; 82 83 work { 84 gpios = <&gpio3 RK_PD5 GPIO_ACTIVE_HIGH>; 85 label = "r88:green:led"; 86 pinctrl-names = "default"; 87 pinctrl-0 = <&led_ctl>; 88 }; 89 }; 90 91 ir: ir-receiver { 92 compatible = "gpio-ir-receiver"; 93 gpios = <&gpio3 RK_PD6 GPIO_ACTIVE_LOW>; 94 pinctrl-names = "default"; 95 pinctrl-0 = <&ir_int>; 96 }; 97 98 sdio_pwrseq: sdio-pwrseq { 99 compatible = "mmc-pwrseq-simple"; 100 clocks = <&hym8563>; 101 clock-names = "ext_clock"; 102 pinctrl-names = "default"; 103 pinctrl-0 = <&bt_rst>, <&wifi_reg_on>; 104 105 reset-gpios = 106 /* BT_RST_N */ 107 <&gpio3 RK_PA5 GPIO_ACTIVE_LOW>, 108 109 /* WL_REG_ON */ 110 <&gpio3 RK_PA4 GPIO_ACTIVE_LOW>; 111 }; 112 113 vcc_18: vcc18-regulator { 114 compatible = "regulator-fixed"; 115 regulator-name = "vcc_18"; 116 regulator-min-microvolt = <1800000>; 117 regulator-max-microvolt = <1800000>; 118 regulator-always-on; 119 regulator-boot-on; 120 vin-supply = <&vcc_sys>; 121 }; 122 123 /* supplies both host and otg */ 124 vcc_host: vcc-host-regulator { 125 compatible = "regulator-fixed"; 126 enable-active-high; 127 gpio = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>; 128 pinctrl-names = "default"; 129 pinctrl-0 = <&host_vbus_drv>; 130 regulator-name = "vcc_host"; 131 regulator-always-on; 132 regulator-boot-on; 133 vin-supply = <&vcc_sys>; 134 }; 135 136 vcc_io: vcc-io-regulator { 137 compatible = "regulator-fixed"; 138 regulator-name = "vcc_io"; 139 regulator-min-microvolt = <3300000>; 140 regulator-max-microvolt = <3300000>; 141 regulator-always-on; 142 regulator-boot-on; 143 vin-supply = <&vcc_sys>; 144 }; 145 146 vcc_lan: vcc-lan-regulator { 147 compatible = "regulator-fixed"; 148 regulator-name = "vcc_lan"; 149 regulator-min-microvolt = <3300000>; 150 regulator-max-microvolt = <3300000>; 151 regulator-always-on; 152 regulator-boot-on; 153 vin-supply = <&vcc_io>; 154 }; 155 156 vcc_sys: vcc-sys-regulator { 157 compatible = "regulator-fixed"; 158 regulator-name = "vcc_sys"; 159 regulator-min-microvolt = <5000000>; 160 regulator-max-microvolt = <5000000>; 161 regulator-always-on; 162 regulator-boot-on; 163 }; 164 165 vccio_wl: vccio-wl-regulator { 166 compatible = "regulator-fixed"; 167 regulator-name = "vccio_wl"; 168 regulator-min-microvolt = <3300000>; 169 regulator-max-microvolt = <3300000>; 170 regulator-always-on; 171 regulator-boot-on; 172 vin-supply = <&vcc_io>; 173 }; 174 175 vdd_10: vdd-10-regulator { 176 compatible = "regulator-fixed"; 177 regulator-name = "vdd_10"; 178 regulator-min-microvolt = <1000000>; 179 regulator-max-microvolt = <1000000>; 180 regulator-always-on; 181 regulator-boot-on; 182 vin-supply = <&vcc_sys>; 183 }; 184}; 185 186&emmc { 187 bus-width = <8>; 188 cap-mmc-highspeed; 189 disable-wp; 190 mmc-pwrseq = <&emmc_pwrseq>; 191 non-removable; 192 pinctrl-names = "default"; 193 pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>; 194 status = "okay"; 195}; 196 197&gmac { 198 phy-supply = <&vcc_lan>; 199 phy-mode = "rmii"; 200 clock_in_out = "output"; 201 snps,reset-gpio = <&gpio3 RK_PB4 GPIO_ACTIVE_HIGH>; 202 snps,reset-active-low; 203 snps,reset-delays-us = <0 10000 1000000>; 204 pinctrl-names = "default"; 205 pinctrl-0 = <&rmii_pins>; 206 tx_delay = <0x30>; 207 rx_delay = <0x10>; 208 status = "ok"; 209}; 210 211&i2c0 { 212 status = "okay"; 213 214 vdd_cpu: syr827@40 { 215 compatible = "silergy,syr827"; 216 reg = <0x40>; 217 fcs,suspend-voltage-selector = <1>; 218 regulator-name = "vdd_cpu"; 219 regulator-enable-ramp-delay = <300>; 220 regulator-min-microvolt = <712500>; 221 regulator-max-microvolt = <1500000>; 222 regulator-ramp-delay = <8000>; 223 regulator-always-on; 224 regulator-boot-on; 225 vin-supply = <&vcc_sys>; 226 }; 227 228 hym8563: hym8563@51 { 229 compatible = "haoyu,hym8563"; 230 reg = <0x51>; 231 #clock-cells = <0>; 232 clock-frequency = <32768>; 233 clock-output-names = "xin32k"; 234 /* rtc_int is not connected */ 235 }; 236}; 237 238&io_domains { 239 status = "ok"; 240 241 audio-supply = <&vcc_io>; 242 gpio30-supply = <&vcc_io>; 243 gpio1830-supply = <&vcc_io>; 244 wifi-supply = <&vccio_wl>; 245}; 246 247&sdio0 { 248 assigned-clocks = <&cru SCLK_SDIO0>; 249 assigned-clock-parents = <&cru PLL_CPLL>; 250 bus-width = <4>; 251 cap-sd-highspeed; 252 cap-sdio-irq; 253 keep-power-in-suspend; 254 mmc-pwrseq = <&sdio_pwrseq>; 255 non-removable; 256 pinctrl-names = "default"; 257 pinctrl-0 = <&sdio0_clk &sdio0_cmd &sdio0_bus4>; 258 vmmc-supply = <&vcc_io>; 259 vqmmc-supply = <&vccio_wl>; 260 status = "okay"; 261}; 262 263&pinctrl { 264 pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma { 265 bias-disable; 266 drive-strength = <8>; 267 }; 268 269 pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma { 270 bias-pull-up; 271 drive-strength = <8>; 272 }; 273 274 emmc { 275 emmc_bus8: emmc-bus8 { 276 rockchip,pins = <1 18 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, 277 <1 19 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, 278 <1 20 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, 279 <1 21 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, 280 <1 22 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, 281 <1 23 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, 282 <1 24 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, 283 <1 25 RK_FUNC_2 &pcfg_pull_up_drv_8ma>; 284 }; 285 286 emmc-clk { 287 rockchip,pins = <2 4 RK_FUNC_2 &pcfg_pull_none_drv_8ma>; 288 }; 289 290 emmc-cmd { 291 rockchip,pins = <1 26 RK_FUNC_2 &pcfg_pull_up_drv_8ma>; 292 }; 293 294 emmc_reset: emmc-reset { 295 rockchip,pins = <2 3 RK_FUNC_GPIO &pcfg_pull_none>; 296 }; 297 }; 298 299 ir { 300 ir_int: ir-int { 301 rockchip,pins = <3 30 RK_FUNC_GPIO &pcfg_pull_up>; 302 }; 303 }; 304 305 keys { 306 pwr_key: pwr-key { 307 rockchip,pins = <0 2 RK_FUNC_GPIO &pcfg_pull_up>; 308 }; 309 }; 310 311 leds { 312 stby_pwren: stby-pwren { 313 rockchip,pins = <0 12 RK_FUNC_GPIO &pcfg_pull_none>; 314 }; 315 316 led_ctl: led-ctl { 317 rockchip,pins = <3 29 RK_FUNC_GPIO &pcfg_pull_none>; 318 }; 319 }; 320 321 sdio { 322 wifi_reg_on: wifi-reg-on { 323 rockchip,pins = <3 4 RK_FUNC_GPIO &pcfg_pull_none>; 324 }; 325 326 bt_rst: bt-rst { 327 rockchip,pins = <3 5 RK_FUNC_GPIO &pcfg_pull_none>; 328 }; 329 }; 330 331 usb { 332 host_vbus_drv: host-vbus-drv { 333 rockchip,pins = <0 4 RK_FUNC_GPIO &pcfg_pull_none>; 334 }; 335 }; 336}; 337 338&pmu_io_domains { 339 status = "okay"; 340 341 pmu-supply = <&vcc_io>; 342 vop-supply = <&vcc_io>; 343}; 344 345&saradc { 346 vref-supply = <&vcc_18>; 347 status = "okay"; 348}; 349 350&tsadc { 351 rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */ 352 rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */ 353 status = "okay"; 354}; 355 356&uart2 { 357 status = "okay"; 358}; 359 360&usb_host0_ehci { 361 status = "okay"; 362}; 363 364&usb_otg { 365 dr_mode = "host"; 366 status = "okay"; 367}; 368 369&wdt { 370 status = "okay"; 371}; 372