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 chosen { 15 stdout-path = "serial2:115200n8"; 16 }; 17 18 memory { 19 device_type = "memory"; 20 reg = <0x0 0x0 0x0 0x40000000>; 21 }; 22 23 emmc_pwrseq: emmc-pwrseq { 24 compatible = "mmc-pwrseq-emmc"; 25 pinctrl-0 = <&emmc_reset>; 26 pinctrl-names = "default"; 27 reset-gpios = <&gpio2 RK_PA3 GPIO_ACTIVE_HIGH>; 28 }; 29 30 keys: gpio-keys { 31 compatible = "gpio-keys"; 32 pinctrl-names = "default"; 33 pinctrl-0 = <&pwr_key>; 34 35 power { 36 wakeup-source; 37 gpios = <&gpio0 RK_PA2 GPIO_ACTIVE_LOW>; 38 label = "GPIO Power"; 39 linux,code = <KEY_POWER>; 40 }; 41 }; 42 43 leds: gpio-leds { 44 compatible = "gpio-leds"; 45 46 work { 47 gpios = <&gpio3 RK_PD5 GPIO_ACTIVE_HIGH>; 48 label = "r88:green:led"; 49 pinctrl-names = "default"; 50 pinctrl-0 = <&led_ctl>; 51 }; 52 }; 53 54 ir: ir-receiver { 55 compatible = "gpio-ir-receiver"; 56 gpios = <&gpio3 RK_PD6 GPIO_ACTIVE_LOW>; 57 pinctrl-names = "default"; 58 pinctrl-0 = <&ir_int>; 59 }; 60 61 sdio_pwrseq: sdio-pwrseq { 62 compatible = "mmc-pwrseq-simple"; 63 clocks = <&hym8563>; 64 clock-names = "ext_clock"; 65 pinctrl-names = "default"; 66 pinctrl-0 = <&bt_rst>, <&wifi_reg_on>; 67 68 reset-gpios = 69 /* BT_RST_N */ 70 <&gpio3 RK_PA5 GPIO_ACTIVE_LOW>, 71 72 /* WL_REG_ON */ 73 <&gpio3 RK_PA4 GPIO_ACTIVE_LOW>; 74 }; 75 76 vcc_18: vcc18-regulator { 77 compatible = "regulator-fixed"; 78 regulator-name = "vcc_18"; 79 regulator-min-microvolt = <1800000>; 80 regulator-max-microvolt = <1800000>; 81 regulator-always-on; 82 regulator-boot-on; 83 vin-supply = <&vcc_sys>; 84 }; 85 86 /* supplies both host and otg */ 87 vcc_host: vcc-host-regulator { 88 compatible = "regulator-fixed"; 89 enable-active-high; 90 gpio = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>; 91 pinctrl-names = "default"; 92 pinctrl-0 = <&host_vbus_drv>; 93 regulator-name = "vcc_host"; 94 regulator-always-on; 95 regulator-boot-on; 96 vin-supply = <&vcc_sys>; 97 }; 98 99 vcc_io: vcc-io-regulator { 100 compatible = "regulator-fixed"; 101 regulator-name = "vcc_io"; 102 regulator-min-microvolt = <3300000>; 103 regulator-max-microvolt = <3300000>; 104 regulator-always-on; 105 regulator-boot-on; 106 vin-supply = <&vcc_sys>; 107 }; 108 109 vcc_lan: vcc-lan-regulator { 110 compatible = "regulator-fixed"; 111 regulator-name = "vcc_lan"; 112 regulator-min-microvolt = <3300000>; 113 regulator-max-microvolt = <3300000>; 114 regulator-always-on; 115 regulator-boot-on; 116 vin-supply = <&vcc_io>; 117 }; 118 119 vcc_sys: vcc-sys-regulator { 120 compatible = "regulator-fixed"; 121 regulator-name = "vcc_sys"; 122 regulator-min-microvolt = <5000000>; 123 regulator-max-microvolt = <5000000>; 124 regulator-always-on; 125 regulator-boot-on; 126 }; 127 128 vccio_wl: vccio-wl-regulator { 129 compatible = "regulator-fixed"; 130 regulator-name = "vccio_wl"; 131 regulator-min-microvolt = <3300000>; 132 regulator-max-microvolt = <3300000>; 133 regulator-always-on; 134 regulator-boot-on; 135 vin-supply = <&vcc_io>; 136 }; 137 138 vdd_10: vdd-10-regulator { 139 compatible = "regulator-fixed"; 140 regulator-name = "vdd_10"; 141 regulator-min-microvolt = <1000000>; 142 regulator-max-microvolt = <1000000>; 143 regulator-always-on; 144 regulator-boot-on; 145 vin-supply = <&vcc_sys>; 146 }; 147}; 148 149&emmc { 150 bus-width = <8>; 151 cap-mmc-highspeed; 152 mmc-pwrseq = <&emmc_pwrseq>; 153 non-removable; 154 pinctrl-names = "default"; 155 pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>; 156 status = "okay"; 157}; 158 159&gmac { 160 phy-supply = <&vcc_lan>; 161 phy-mode = "rmii"; 162 clock_in_out = "output"; 163 snps,reset-gpio = <&gpio3 RK_PB4 GPIO_ACTIVE_HIGH>; 164 snps,reset-active-low; 165 snps,reset-delays-us = <0 10000 1000000>; 166 pinctrl-names = "default"; 167 pinctrl-0 = <&rmii_pins>; 168 tx_delay = <0x30>; 169 rx_delay = <0x10>; 170 status = "ok"; 171}; 172 173&i2c0 { 174 status = "okay"; 175 176 vdd_cpu: syr827@40 { 177 compatible = "silergy,syr827"; 178 reg = <0x40>; 179 fcs,suspend-voltage-selector = <1>; 180 regulator-name = "vdd_cpu"; 181 regulator-enable-ramp-delay = <300>; 182 regulator-min-microvolt = <712500>; 183 regulator-max-microvolt = <1500000>; 184 regulator-ramp-delay = <8000>; 185 regulator-always-on; 186 regulator-boot-on; 187 vin-supply = <&vcc_sys>; 188 }; 189 190 hym8563: hym8563@51 { 191 compatible = "haoyu,hym8563"; 192 reg = <0x51>; 193 #clock-cells = <0>; 194 clock-frequency = <32768>; 195 clock-output-names = "xin32k"; 196 /* rtc_int is not connected */ 197 }; 198}; 199 200&io_domains { 201 status = "ok"; 202 203 audio-supply = <&vcc_io>; 204 gpio30-supply = <&vcc_io>; 205 gpio1830-supply = <&vcc_io>; 206 wifi-supply = <&vccio_wl>; 207}; 208 209&sdio0 { 210 assigned-clocks = <&cru SCLK_SDIO0>; 211 assigned-clock-parents = <&cru PLL_CPLL>; 212 bus-width = <4>; 213 cap-sd-highspeed; 214 cap-sdio-irq; 215 keep-power-in-suspend; 216 mmc-pwrseq = <&sdio_pwrseq>; 217 non-removable; 218 pinctrl-names = "default"; 219 pinctrl-0 = <&sdio0_clk &sdio0_cmd &sdio0_bus4>; 220 vmmc-supply = <&vcc_io>; 221 vqmmc-supply = <&vccio_wl>; 222 status = "okay"; 223}; 224 225&pinctrl { 226 pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma { 227 bias-disable; 228 drive-strength = <8>; 229 }; 230 231 pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma { 232 bias-pull-up; 233 drive-strength = <8>; 234 }; 235 236 emmc { 237 emmc_bus8: emmc-bus8 { 238 rockchip,pins = <1 18 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, 239 <1 19 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, 240 <1 20 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, 241 <1 21 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, 242 <1 22 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, 243 <1 23 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, 244 <1 24 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, 245 <1 25 RK_FUNC_2 &pcfg_pull_up_drv_8ma>; 246 }; 247 248 emmc-clk { 249 rockchip,pins = <2 4 RK_FUNC_2 &pcfg_pull_none_drv_8ma>; 250 }; 251 252 emmc-cmd { 253 rockchip,pins = <1 26 RK_FUNC_2 &pcfg_pull_up_drv_8ma>; 254 }; 255 256 emmc_reset: emmc-reset { 257 rockchip,pins = <2 3 RK_FUNC_GPIO &pcfg_pull_none>; 258 }; 259 }; 260 261 ir { 262 ir_int: ir-int { 263 rockchip,pins = <3 30 RK_FUNC_GPIO &pcfg_pull_up>; 264 }; 265 }; 266 267 keys { 268 pwr_key: pwr-key { 269 rockchip,pins = <0 2 RK_FUNC_GPIO &pcfg_pull_up>; 270 }; 271 }; 272 273 leds { 274 stby_pwren: stby-pwren { 275 rockchip,pins = <0 12 RK_FUNC_GPIO &pcfg_pull_none>; 276 }; 277 278 led_ctl: led-ctl { 279 rockchip,pins = <3 29 RK_FUNC_GPIO &pcfg_pull_none>; 280 }; 281 }; 282 283 sdio { 284 wifi_reg_on: wifi-reg-on { 285 rockchip,pins = <3 4 RK_FUNC_GPIO &pcfg_pull_none>; 286 }; 287 288 bt_rst: bt-rst { 289 rockchip,pins = <3 5 RK_FUNC_GPIO &pcfg_pull_none>; 290 }; 291 }; 292 293 usb { 294 host_vbus_drv: host-vbus-drv { 295 rockchip,pins = <0 4 RK_FUNC_GPIO &pcfg_pull_none>; 296 }; 297 }; 298}; 299 300&pmu_io_domains { 301 status = "okay"; 302 303 pmu-supply = <&vcc_io>; 304 vop-supply = <&vcc_io>; 305}; 306 307&saradc { 308 vref-supply = <&vcc_18>; 309 status = "okay"; 310}; 311 312&tsadc { 313 rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */ 314 rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */ 315 status = "okay"; 316}; 317 318&uart2 { 319 status = "okay"; 320}; 321 322&usb_host0_ehci { 323 status = "okay"; 324}; 325 326&usb_otg { 327 dr_mode = "host"; 328 status = "okay"; 329}; 330 331&wdt { 332 status = "okay"; 333}; 334