1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * Copyright (c) 2015 Heiko Stuebner <heiko@sntech.de> 4 */ 5 6/dts-v1/; 7#include "rk3368.dtsi" 8#include <dt-bindings/input/input.h> 9 10/ { 11 model = "Rockchip R88"; 12 compatible = "rockchip,r88", "rockchip,rk3368"; 13 14 aliases { 15 mmc0 = &sdio0; 16 mmc1 = &emmc; 17 }; 18 19 chosen { 20 stdout-path = "serial2:115200n8"; 21 }; 22 23 memory { 24 device_type = "memory"; 25 reg = <0x0 0x0 0x0 0x40000000>; 26 }; 27 28 emmc_pwrseq: emmc-pwrseq { 29 compatible = "mmc-pwrseq-emmc"; 30 pinctrl-0 = <&emmc_reset>; 31 pinctrl-names = "default"; 32 reset-gpios = <&gpio2 RK_PA3 GPIO_ACTIVE_HIGH>; 33 }; 34 35 keys: gpio-keys { 36 compatible = "gpio-keys"; 37 pinctrl-names = "default"; 38 pinctrl-0 = <&pwr_key>; 39 40 key-power { 41 wakeup-source; 42 gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_LOW>; 43 label = "GPIO Power"; 44 linux,code = <KEY_POWER>; 45 }; 46 }; 47 48 leds: gpio-leds { 49 compatible = "gpio-leds"; 50 51 work_led: led-0 { 52 gpios = <&gpio3 RK_PD5 GPIO_ACTIVE_HIGH>; 53 label = "r88:green:led"; 54 pinctrl-names = "default"; 55 pinctrl-0 = <&led_ctl>; 56 }; 57 }; 58 59 ir: ir-receiver { 60 compatible = "gpio-ir-receiver"; 61 gpios = <&gpio3 RK_PD6 GPIO_ACTIVE_LOW>; 62 pinctrl-names = "default"; 63 pinctrl-0 = <&ir_int>; 64 }; 65 66 sdio_pwrseq: sdio-pwrseq { 67 compatible = "mmc-pwrseq-simple"; 68 clocks = <&hym8563>; 69 clock-names = "ext_clock"; 70 pinctrl-names = "default"; 71 pinctrl-0 = <&bt_rst>, <&wifi_reg_on>; 72 73 reset-gpios = 74 /* BT_RST_N */ 75 <&gpio3 RK_PA5 GPIO_ACTIVE_LOW>, 76 77 /* WL_REG_ON */ 78 <&gpio3 RK_PA4 GPIO_ACTIVE_LOW>; 79 }; 80 81 vcc_18: vcc18-regulator { 82 compatible = "regulator-fixed"; 83 regulator-name = "vcc_18"; 84 regulator-min-microvolt = <1800000>; 85 regulator-max-microvolt = <1800000>; 86 regulator-always-on; 87 regulator-boot-on; 88 vin-supply = <&vcc_sys>; 89 }; 90 91 /* supplies both host and otg */ 92 vcc_host: vcc-host-regulator { 93 compatible = "regulator-fixed"; 94 enable-active-high; 95 gpio = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>; 96 pinctrl-names = "default"; 97 pinctrl-0 = <&host_vbus_drv>; 98 regulator-name = "vcc_host"; 99 regulator-always-on; 100 regulator-boot-on; 101 vin-supply = <&vcc_sys>; 102 }; 103 104 vcc_io: vcc-io-regulator { 105 compatible = "regulator-fixed"; 106 regulator-name = "vcc_io"; 107 regulator-min-microvolt = <3300000>; 108 regulator-max-microvolt = <3300000>; 109 regulator-always-on; 110 regulator-boot-on; 111 vin-supply = <&vcc_sys>; 112 }; 113 114 vcc_lan: vcc-lan-regulator { 115 compatible = "regulator-fixed"; 116 regulator-name = "vcc_lan"; 117 regulator-min-microvolt = <3300000>; 118 regulator-max-microvolt = <3300000>; 119 regulator-always-on; 120 regulator-boot-on; 121 vin-supply = <&vcc_io>; 122 }; 123 124 vcc_sys: vcc-sys-regulator { 125 compatible = "regulator-fixed"; 126 regulator-name = "vcc_sys"; 127 regulator-min-microvolt = <5000000>; 128 regulator-max-microvolt = <5000000>; 129 regulator-always-on; 130 regulator-boot-on; 131 }; 132 133 vccio_wl: vccio-wl-regulator { 134 compatible = "regulator-fixed"; 135 regulator-name = "vccio_wl"; 136 regulator-min-microvolt = <3300000>; 137 regulator-max-microvolt = <3300000>; 138 regulator-always-on; 139 regulator-boot-on; 140 vin-supply = <&vcc_io>; 141 }; 142 143 vdd_10: vdd-10-regulator { 144 compatible = "regulator-fixed"; 145 regulator-name = "vdd_10"; 146 regulator-min-microvolt = <1000000>; 147 regulator-max-microvolt = <1000000>; 148 regulator-always-on; 149 regulator-boot-on; 150 vin-supply = <&vcc_sys>; 151 }; 152}; 153 154&emmc { 155 bus-width = <8>; 156 cap-mmc-highspeed; 157 mmc-pwrseq = <&emmc_pwrseq>; 158 non-removable; 159 pinctrl-names = "default"; 160 pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>; 161 status = "okay"; 162}; 163 164&gmac { 165 phy-supply = <&vcc_lan>; 166 phy-mode = "rmii"; 167 clock_in_out = "output"; 168 snps,reset-gpio = <&gpio3 RK_PB4 GPIO_ACTIVE_HIGH>; 169 snps,reset-active-low; 170 snps,reset-delays-us = <0 10000 1000000>; 171 pinctrl-names = "default"; 172 pinctrl-0 = <&rmii_pins>; 173 tx_delay = <0x30>; 174 rx_delay = <0x10>; 175 status = "okay"; 176}; 177 178&i2c0 { 179 status = "okay"; 180 181 vdd_cpu: syr827@40 { 182 compatible = "silergy,syr827"; 183 reg = <0x40>; 184 fcs,suspend-voltage-selector = <1>; 185 regulator-name = "vdd_cpu"; 186 regulator-enable-ramp-delay = <300>; 187 regulator-min-microvolt = <712500>; 188 regulator-max-microvolt = <1500000>; 189 regulator-ramp-delay = <8000>; 190 regulator-always-on; 191 regulator-boot-on; 192 vin-supply = <&vcc_sys>; 193 }; 194 195 hym8563: rtc@51 { 196 compatible = "haoyu,hym8563"; 197 reg = <0x51>; 198 #clock-cells = <0>; 199 clock-output-names = "xin32k"; 200 /* rtc_int is not connected */ 201 }; 202}; 203 204&io_domains { 205 status = "okay"; 206 207 audio-supply = <&vcc_io>; 208 gpio30-supply = <&vcc_io>; 209 gpio1830-supply = <&vcc_io>; 210 wifi-supply = <&vccio_wl>; 211}; 212 213&sdio0 { 214 assigned-clocks = <&cru SCLK_SDIO0>; 215 assigned-clock-parents = <&cru PLL_CPLL>; 216 bus-width = <4>; 217 cap-sd-highspeed; 218 cap-sdio-irq; 219 keep-power-in-suspend; 220 mmc-pwrseq = <&sdio_pwrseq>; 221 non-removable; 222 pinctrl-names = "default"; 223 pinctrl-0 = <&sdio0_clk &sdio0_cmd &sdio0_bus4>; 224 vmmc-supply = <&vcc_io>; 225 vqmmc-supply = <&vccio_wl>; 226 status = "okay"; 227}; 228 229&pinctrl { 230 pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma { 231 bias-disable; 232 drive-strength = <8>; 233 }; 234 235 pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma { 236 bias-pull-up; 237 drive-strength = <8>; 238 }; 239 240 emmc { 241 emmc_bus8: emmc-bus8 { 242 rockchip,pins = <1 RK_PC2 2 &pcfg_pull_up_drv_8ma>, 243 <1 RK_PC3 2 &pcfg_pull_up_drv_8ma>, 244 <1 RK_PC4 2 &pcfg_pull_up_drv_8ma>, 245 <1 RK_PC5 2 &pcfg_pull_up_drv_8ma>, 246 <1 RK_PC6 2 &pcfg_pull_up_drv_8ma>, 247 <1 RK_PC7 2 &pcfg_pull_up_drv_8ma>, 248 <1 RK_PD0 2 &pcfg_pull_up_drv_8ma>, 249 <1 RK_PD1 2 &pcfg_pull_up_drv_8ma>; 250 }; 251 252 emmc-clk { 253 rockchip,pins = <2 RK_PA4 2 &pcfg_pull_none_drv_8ma>; 254 }; 255 256 emmc-cmd { 257 rockchip,pins = <1 RK_PD2 2 &pcfg_pull_up_drv_8ma>; 258 }; 259 260 emmc_reset: emmc-reset { 261 rockchip,pins = <2 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>; 262 }; 263 }; 264 265 ir { 266 ir_int: ir-int { 267 rockchip,pins = <3 RK_PD6 RK_FUNC_GPIO &pcfg_pull_up>; 268 }; 269 }; 270 271 keys { 272 pwr_key: pwr-key { 273 rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>; 274 }; 275 }; 276 277 leds { 278 stby_pwren: stby-pwren { 279 rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>; 280 }; 281 282 led_ctl: led-ctl { 283 rockchip,pins = <3 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>; 284 }; 285 }; 286 287 sdio { 288 wifi_reg_on: wifi-reg-on { 289 rockchip,pins = <3 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>; 290 }; 291 292 bt_rst: bt-rst { 293 rockchip,pins = <3 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>; 294 }; 295 }; 296 297 usb { 298 host_vbus_drv: host-vbus-drv { 299 rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>; 300 }; 301 }; 302}; 303 304&pmu_io_domains { 305 status = "okay"; 306 307 pmu-supply = <&vcc_io>; 308 vop-supply = <&vcc_io>; 309}; 310 311&saradc { 312 vref-supply = <&vcc_18>; 313 status = "okay"; 314}; 315 316&tsadc { 317 rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */ 318 rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */ 319 status = "okay"; 320}; 321 322&uart2 { 323 status = "okay"; 324}; 325 326&usb_host0_ehci { 327 status = "okay"; 328}; 329 330&usb_otg { 331 dr_mode = "host"; 332 status = "okay"; 333}; 334 335&wdt { 336 status = "okay"; 337}; 338