1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * Copyright (c) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com>. 4 * Copyright (c) 2017 BayLibre, SAS 5 * Author: Neil Armstrong <narmstrong@baylibre.com> 6 */ 7 8/dts-v1/; 9 10#include "meson-gxm.dtsi" 11#include <dt-bindings/input/input.h> 12#include <dt-bindings/sound/meson-aiu.h> 13 14/ { 15 compatible = "khadas,vim2", "amlogic,s912", "amlogic,meson-gxm"; 16 model = "Khadas VIM2"; 17 18 aliases { 19 serial0 = &uart_AO; 20 serial2 = &uart_AO_B; 21 }; 22 23 chosen { 24 stdout-path = "serial0:115200n8"; 25 }; 26 27 memory@0 { 28 device_type = "memory"; 29 reg = <0x0 0x0 0x0 0x80000000>; 30 }; 31 32 adc-keys { 33 compatible = "adc-keys"; 34 io-channels = <&saradc 0>; 35 io-channel-names = "buttons"; 36 keyup-threshold-microvolt = <1710000>; 37 38 button-function { 39 label = "Function"; 40 linux,code = <KEY_FN>; 41 press-threshold-microvolt = <10000>; 42 }; 43 }; 44 45 emmc_pwrseq: emmc-pwrseq { 46 compatible = "mmc-pwrseq-emmc"; 47 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>; 48 }; 49 50 gpio_fan: gpio-fan { 51 compatible = "gpio-fan"; 52 gpios = <&gpio GPIODV_14 GPIO_ACTIVE_HIGH 53 &gpio GPIODV_15 GPIO_ACTIVE_HIGH>; 54 /* Dummy RPM values since fan is optional */ 55 gpio-fan,speed-map = <0 0 56 1 1 57 2 2 58 3 3>; 59 #cooling-cells = <2>; 60 }; 61 62 gpio-keys-polled { 63 compatible = "gpio-keys-polled"; 64 poll-interval = <100>; 65 66 power-button { 67 label = "power"; 68 linux,code = <KEY_POWER>; 69 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>; 70 }; 71 }; 72 73 hdmi-connector { 74 compatible = "hdmi-connector"; 75 type = "a"; 76 77 port { 78 hdmi_connector_in: endpoint { 79 remote-endpoint = <&hdmi_tx_tmds_out>; 80 }; 81 }; 82 }; 83 84 led-controller { 85 compatible = "pwm-leds"; 86 87 led-1 { 88 label = "vim:red:power"; 89 pwms = <&pwm_AO_ab 1 7812500 0>; 90 max-brightness = <255>; 91 linux,default-trigger = "default-on"; 92 }; 93 }; 94 95 sdio_pwrseq: sdio-pwrseq { 96 compatible = "mmc-pwrseq-simple"; 97 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>; 98 clocks = <&wifi32k>; 99 clock-names = "ext_clock"; 100 }; 101 102 hdmi_5v: regulator-hdmi-5v { 103 compatible = "regulator-fixed"; 104 105 regulator-name = "HDMI_5V"; 106 regulator-min-microvolt = <5000000>; 107 regulator-max-microvolt = <5000000>; 108 109 gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>; 110 enable-active-high; 111 regulator-always-on; 112 }; 113 114 vcc_3v3: regulator-vcc_3v3 { 115 compatible = "regulator-fixed"; 116 regulator-name = "VCC_3V3"; 117 regulator-min-microvolt = <3300000>; 118 regulator-max-microvolt = <3300000>; 119 }; 120 121 vddio_ao18: regulator-vddio_ao18 { 122 compatible = "regulator-fixed"; 123 regulator-name = "VDDIO_AO18"; 124 regulator-min-microvolt = <1800000>; 125 regulator-max-microvolt = <1800000>; 126 }; 127 128 vddio_boot: regulator-vddio_boot { 129 compatible = "regulator-fixed"; 130 regulator-name = "VDDIO_BOOT"; 131 regulator-min-microvolt = <1800000>; 132 regulator-max-microvolt = <1800000>; 133 }; 134 135 vddao_3v3: regulator-vddao_3v3 { 136 compatible = "regulator-fixed"; 137 regulator-name = "VDDAO_3V3"; 138 regulator-min-microvolt = <3300000>; 139 regulator-max-microvolt = <3300000>; 140 }; 141 142 wifi32k: wifi32k { 143 compatible = "pwm-clock"; 144 #clock-cells = <0>; 145 clock-frequency = <32768>; 146 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */ 147 }; 148 149 sound { 150 compatible = "amlogic,gx-sound-card"; 151 model = "KHADAS-VIM2"; 152 assigned-clocks = <&clkc CLKID_MPLL0>, 153 <&clkc CLKID_MPLL1>, 154 <&clkc CLKID_MPLL2>; 155 assigned-clock-parents = <0>, <0>, <0>; 156 assigned-clock-rates = <294912000>, 157 <270950400>, 158 <393216000>; 159 status = "okay"; 160 161 dai-link-0 { 162 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>; 163 }; 164 165 dai-link-1 { 166 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>; 167 dai-format = "i2s"; 168 mclk-fs = <256>; 169 170 codec-0 { 171 sound-dai = <&aiu AIU_HDMI CTRL_I2S>; 172 }; 173 }; 174 175 dai-link-2 { 176 sound-dai = <&aiu AIU_HDMI CTRL_OUT>; 177 178 codec-0 { 179 sound-dai = <&hdmi_tx>; 180 }; 181 }; 182 }; 183}; 184 185&aiu { 186 status = "okay"; 187}; 188 189&cec_AO { 190 status = "okay"; 191 pinctrl-0 = <&ao_cec_pins>; 192 pinctrl-names = "default"; 193 hdmi-phandle = <&hdmi_tx>; 194}; 195 196&cpu_cooling_maps { 197 map0 { 198 cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>; 199 }; 200 201 map1 { 202 cooling-device = <&gpio_fan 2 THERMAL_NO_LIMIT>, 203 <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, 204 <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, 205 <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, 206 <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, 207 <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, 208 <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, 209 <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, 210 <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; 211 }; 212}; 213 214ðmac { 215 pinctrl-0 = <ð_pins>; 216 pinctrl-names = "default"; 217 218 /* Select external PHY by default */ 219 phy-handle = <&external_phy>; 220 221 amlogic,tx-delay-ns = <2>; 222 223 /* External PHY is in RGMII */ 224 phy-mode = "rgmii"; 225 226 status = "okay"; 227}; 228 229&external_mdio { 230 external_phy: ethernet-phy@0 { 231 /* Realtek RTL8211F (0x001cc916) */ 232 reg = <0>; 233 234 reset-assert-us = <10000>; 235 reset-deassert-us = <80000>; 236 reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>; 237 238 interrupt-parent = <&gpio_intc>; 239 /* MAC_INTR on GPIOZ_15 */ 240 interrupts = <25 IRQ_TYPE_LEVEL_LOW>; 241 }; 242}; 243 244&hdmi_tx { 245 status = "okay"; 246 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>; 247 pinctrl-names = "default"; 248 hdmi-supply = <&hdmi_5v>; 249}; 250 251&hdmi_tx_tmds_port { 252 hdmi_tx_tmds_out: endpoint { 253 remote-endpoint = <&hdmi_connector_in>; 254 }; 255}; 256 257&i2c_A { 258 status = "okay"; 259 pinctrl-0 = <&i2c_a_pins>; 260 pinctrl-names = "default"; 261}; 262 263&i2c_B { 264 status = "okay"; 265 pinctrl-0 = <&i2c_b_pins>; 266 pinctrl-names = "default"; 267 268 rtc: rtc@51 { 269 status = "okay"; 270 compatible = "haoyu,hym8563"; 271 reg = <0x51>; 272 #clock-cells = <0>; 273 clock-frequency = <32768>; 274 clock-output-names = "xin32k"; 275 }; 276}; 277 278&ir { 279 status = "okay"; 280 pinctrl-0 = <&remote_input_ao_pins>; 281 pinctrl-names = "default"; 282 linux,rc-map-name = "rc-khadas"; 283}; 284 285&pwm_AO_ab { 286 status = "okay"; 287 pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>; 288 pinctrl-names = "default"; 289 clocks = <&clkc CLKID_FCLK_DIV4>; 290 clock-names = "clkin0"; 291}; 292 293&pwm_ef { 294 status = "okay"; 295 pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>; 296 pinctrl-names = "default"; 297 clocks = <&clkc CLKID_FCLK_DIV4>; 298 clock-names = "clkin0"; 299}; 300 301&sd_emmc_a { 302 status = "okay"; 303 pinctrl-0 = <&sdio_pins>; 304 pinctrl-1 = <&sdio_clk_gate_pins>; 305 pinctrl-names = "default", "clk-gate"; 306 #address-cells = <1>; 307 #size-cells = <0>; 308 309 bus-width = <4>; 310 cap-sd-highspeed; 311 max-frequency = <100000000>; 312 313 non-removable; 314 disable-wp; 315 316 /* WiFi firmware requires power to be kept while in suspend */ 317 keep-power-in-suspend; 318 319 mmc-pwrseq = <&sdio_pwrseq>; 320 321 vmmc-supply = <&vddao_3v3>; 322 vqmmc-supply = <&vddio_boot>; 323 324 brcmf: wifi@1 { 325 reg = <1>; 326 compatible = "brcm,bcm4329-fmac"; 327 }; 328}; 329 330/* SD card */ 331&sd_emmc_b { 332 status = "okay"; 333 pinctrl-0 = <&sdcard_pins>; 334 pinctrl-1 = <&sdcard_clk_gate_pins>; 335 pinctrl-names = "default", "clk-gate"; 336 337 bus-width = <4>; 338 cap-sd-highspeed; 339 max-frequency = <50000000>; 340 disable-wp; 341 342 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>; 343 344 vmmc-supply = <&vddao_3v3>; 345 vqmmc-supply = <&vddio_boot>; 346}; 347 348/* eMMC */ 349&sd_emmc_c { 350 status = "okay"; 351 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>; 352 pinctrl-1 = <&emmc_clk_gate_pins>; 353 pinctrl-names = "default", "clk-gate"; 354 355 bus-width = <8>; 356 cap-mmc-highspeed; 357 max-frequency = <200000000>; 358 non-removable; 359 disable-wp; 360 mmc-ddr-1_8v; 361 mmc-hs200-1_8v; 362 363 mmc-pwrseq = <&emmc_pwrseq>; 364 vmmc-supply = <&vcc_3v3>; 365 vqmmc-supply = <&vddio_boot>; 366}; 367 368/* 369 * EMMC_DS pin is shared between SPI NOR CS and eMMC Data Strobe 370 * Remove emmc_ds_pins from sd_emmc_c pinctrl-0 then spifc can be enabled 371 */ 372&spifc { 373 status = "disabled"; 374 pinctrl-0 = <&nor_pins>; 375 pinctrl-names = "default"; 376 377 w25q32: flash@0 { 378 #address-cells = <1>; 379 #size-cells = <1>; 380 compatible = "winbond,w25q16", "jedec,spi-nor"; 381 reg = <0>; 382 spi-max-frequency = <104000000>; 383 }; 384}; 385 386/* This one is connected to the Bluetooth module */ 387&uart_A { 388 status = "okay"; 389 pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>; 390 pinctrl-names = "default"; 391 uart-has-rtscts; 392 393 bluetooth { 394 compatible = "brcm,bcm43438-bt"; 395 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>; 396 max-speed = <2000000>; 397 clocks = <&wifi32k>; 398 clock-names = "lpo"; 399 }; 400}; 401 402/* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */ 403&uart_AO { 404 status = "okay"; 405 pinctrl-0 = <&uart_ao_a_pins>; 406 pinctrl-names = "default"; 407}; 408 409/* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */ 410&uart_AO_B { 411 status = "okay"; 412 pinctrl-0 = <&uart_ao_b_pins>; 413 pinctrl-names = "default"; 414}; 415 416&saradc { 417 status = "okay"; 418 vref-supply = <&vddio_ao18>; 419}; 420 421&usb { 422 status = "okay"; 423 dr_mode = "peripheral"; 424}; 425