1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * Copyright (c) 2019 BayLibre, SAS 4 * Author: Neil Armstrong <narmstrong@baylibre.com> 5 * Copyright (c) 2019 Christian Hewitt <christianshewitt@gmail.com> 6 */ 7 8#include <dt-bindings/input/input.h> 9#include <dt-bindings/gpio/meson-g12a-gpio.h> 10 11/ { 12 aliases { 13 serial0 = &uart_AO; 14 ethernet0 = ðmac; 15 }; 16 17 chosen { 18 stdout-path = "serial0:115200n8"; 19 }; 20 21 memory@0 { 22 device_type = "memory"; 23 reg = <0x0 0x0 0x0 0x80000000>; 24 }; 25 26 adc-keys { 27 compatible = "adc-keys"; 28 io-channels = <&saradc 2>; 29 io-channel-names = "buttons"; 30 keyup-threshold-microvolt = <1710000>; 31 32 button-function { 33 label = "Function"; 34 linux,code = <KEY_FN>; 35 press-threshold-microvolt = <10000>; 36 }; 37 }; 38 39 leds { 40 compatible = "gpio-leds"; 41 42 led-white { 43 label = "vim3:white:sys"; 44 gpios = <&gpio_ao GPIOAO_4 GPIO_ACTIVE_LOW>; 45 linux,default-trigger = "heartbeat"; 46 }; 47 48 led-red { 49 label = "vim3:red"; 50 gpios = <&gpio_expander 5 GPIO_ACTIVE_LOW>; 51 }; 52 }; 53 54 emmc_pwrseq: emmc-pwrseq { 55 compatible = "mmc-pwrseq-emmc"; 56 reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>; 57 }; 58 59 gpio-keys-polled { 60 compatible = "gpio-keys-polled"; 61 poll-interval = <100>; 62 63 power-button { 64 label = "power"; 65 linux,code = <KEY_POWER>; 66 gpios = <&gpio_ao GPIOAO_7 GPIO_ACTIVE_LOW>; 67 }; 68 }; 69 70 sdio_pwrseq: sdio-pwrseq { 71 compatible = "mmc-pwrseq-simple"; 72 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>; 73 clocks = <&wifi32k>; 74 clock-names = "ext_clock"; 75 }; 76 77 dc_in: regulator-dc_in { 78 compatible = "regulator-fixed"; 79 regulator-name = "DC_IN"; 80 regulator-min-microvolt = <5000000>; 81 regulator-max-microvolt = <5000000>; 82 regulator-always-on; 83 }; 84 85 vcc_5v: regulator-vcc_5v { 86 compatible = "regulator-fixed"; 87 regulator-name = "VCC_5V"; 88 regulator-min-microvolt = <5000000>; 89 regulator-max-microvolt = <5000000>; 90 vin-supply = <&dc_in>; 91 92 gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>; 93 enable-active-high; 94 }; 95 96 vcc_1v8: regulator-vcc_1v8 { 97 compatible = "regulator-fixed"; 98 regulator-name = "VCC_1V8"; 99 regulator-min-microvolt = <1800000>; 100 regulator-max-microvolt = <1800000>; 101 vin-supply = <&vcc_3v3>; 102 regulator-always-on; 103 }; 104 105 vcc_3v3: regulator-vcc_3v3 { 106 compatible = "regulator-fixed"; 107 regulator-name = "VCC_3V3"; 108 regulator-min-microvolt = <3300000>; 109 regulator-max-microvolt = <3300000>; 110 vin-supply = <&vsys_3v3>; 111 regulator-always-on; 112 /* FIXME: actually controlled by VDDCPU_B_EN */ 113 }; 114 115 vddao_1v8: regulator-vddao_1v8 { 116 compatible = "regulator-fixed"; 117 regulator-name = "VDDIO_AO1V8"; 118 regulator-min-microvolt = <1800000>; 119 regulator-max-microvolt = <1800000>; 120 vin-supply = <&vsys_3v3>; 121 regulator-always-on; 122 }; 123 124 emmc_1v8: regulator-emmc_1v8 { 125 compatible = "regulator-fixed"; 126 regulator-name = "EMMC_AO1V8"; 127 regulator-min-microvolt = <1800000>; 128 regulator-max-microvolt = <1800000>; 129 vin-supply = <&vcc_3v3>; 130 regulator-always-on; 131 }; 132 133 vsys_3v3: regulator-vsys_3v3 { 134 compatible = "regulator-fixed"; 135 regulator-name = "VSYS_3V3"; 136 regulator-min-microvolt = <3300000>; 137 regulator-max-microvolt = <3300000>; 138 vin-supply = <&dc_in>; 139 regulator-always-on; 140 }; 141 142 usb_pwr: regulator-usb_pwr { 143 compatible = "regulator-fixed"; 144 regulator-name = "USB_PWR"; 145 regulator-min-microvolt = <5000000>; 146 regulator-max-microvolt = <5000000>; 147 vin-supply = <&vcc_5v>; 148 149 gpio = <&gpio GPIOA_6 GPIO_ACTIVE_HIGH>; 150 enable-active-high; 151 }; 152 153 hdmi-connector { 154 compatible = "hdmi-connector"; 155 type = "a"; 156 157 port { 158 hdmi_connector_in: endpoint { 159 remote-endpoint = <&hdmi_tx_tmds_out>; 160 }; 161 }; 162 }; 163 164 wifi32k: wifi32k { 165 compatible = "pwm-clock"; 166 #clock-cells = <0>; 167 clock-frequency = <32768>; 168 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */ 169 }; 170}; 171 172&cec_AO { 173 pinctrl-0 = <&cec_ao_a_h_pins>; 174 pinctrl-names = "default"; 175 status = "disabled"; 176 hdmi-phandle = <&hdmi_tx>; 177}; 178 179&cecb_AO { 180 pinctrl-0 = <&cec_ao_b_h_pins>; 181 pinctrl-names = "default"; 182 status = "okay"; 183 hdmi-phandle = <&hdmi_tx>; 184}; 185 186&ext_mdio { 187 external_phy: ethernet-phy@0 { 188 /* Realtek RTL8211F (0x001cc916) */ 189 reg = <0>; 190 max-speed = <1000>; 191 192 interrupt-parent = <&gpio_intc>; 193 /* MAC_INTR on GPIOZ_14 */ 194 interrupts = <26 IRQ_TYPE_LEVEL_LOW>; 195 }; 196}; 197 198ðmac { 199 pinctrl-0 = <ð_pins>, <ð_rgmii_pins>; 200 pinctrl-names = "default"; 201 status = "okay"; 202 phy-mode = "rgmii"; 203 phy-handle = <&external_phy>; 204 amlogic,tx-delay-ns = <2>; 205}; 206 207&hdmi_tx { 208 status = "okay"; 209 pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>; 210 pinctrl-names = "default"; 211 hdmi-supply = <&vcc_5v>; 212}; 213 214&hdmi_tx_tmds_port { 215 hdmi_tx_tmds_out: endpoint { 216 remote-endpoint = <&hdmi_connector_in>; 217 }; 218}; 219 220&i2c_AO { 221 status = "okay"; 222 pinctrl-0 = <&i2c_ao_sck_pins>, <&i2c_ao_sda_pins>; 223 pinctrl-names = "default"; 224 225 gpio_expander: gpio-controller@20 { 226 compatible = "ti,tca6408"; 227 reg = <0x20>; 228 vcc-supply = <&vcc_3v3>; 229 gpio-controller; 230 #gpio-cells = <2>; 231 }; 232 233 rtc@51 { 234 compatible = "haoyu,hym8563"; 235 reg = <0x51>; 236 #clock-cells = <0>; 237 }; 238}; 239 240&ir { 241 status = "okay"; 242 pinctrl-0 = <&remote_input_ao_pins>; 243 pinctrl-names = "default"; 244 linux,rc-map-name = "rc-khadas"; 245}; 246 247&pcie { 248 reset-gpios = <&gpio GPIOA_8 GPIO_ACTIVE_LOW>; 249}; 250 251&pwm_ef { 252 status = "okay"; 253 pinctrl-0 = <&pwm_e_pins>; 254 pinctrl-names = "default"; 255}; 256 257&saradc { 258 status = "okay"; 259 vref-supply = <&vddao_1v8>; 260}; 261 262/* SDIO */ 263&sd_emmc_a { 264 status = "okay"; 265 pinctrl-0 = <&sdio_pins>; 266 pinctrl-1 = <&sdio_clk_gate_pins>; 267 pinctrl-names = "default", "clk-gate"; 268 #address-cells = <1>; 269 #size-cells = <0>; 270 271 bus-width = <4>; 272 cap-sd-highspeed; 273 sd-uhs-sdr50; 274 max-frequency = <100000000>; 275 276 non-removable; 277 disable-wp; 278 279 /* WiFi firmware requires power to be kept while in suspend */ 280 keep-power-in-suspend; 281 282 mmc-pwrseq = <&sdio_pwrseq>; 283 284 vmmc-supply = <&vsys_3v3>; 285 vqmmc-supply = <&vddao_1v8>; 286 287 brcmf: wifi@1 { 288 reg = <1>; 289 compatible = "brcm,bcm4329-fmac"; 290 }; 291}; 292 293/* SD card */ 294&sd_emmc_b { 295 status = "okay"; 296 pinctrl-0 = <&sdcard_c_pins>; 297 pinctrl-1 = <&sdcard_clk_gate_c_pins>; 298 pinctrl-names = "default", "clk-gate"; 299 300 bus-width = <4>; 301 cap-sd-highspeed; 302 max-frequency = <50000000>; 303 disable-wp; 304 305 cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>; 306 vmmc-supply = <&vsys_3v3>; 307 vqmmc-supply = <&vsys_3v3>; 308}; 309 310/* eMMC */ 311&sd_emmc_c { 312 status = "okay"; 313 pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>; 314 pinctrl-1 = <&emmc_clk_gate_pins>; 315 pinctrl-names = "default", "clk-gate"; 316 317 bus-width = <8>; 318 cap-mmc-highspeed; 319 mmc-ddr-1_8v; 320 mmc-hs200-1_8v; 321 max-frequency = <200000000>; 322 disable-wp; 323 324 mmc-pwrseq = <&emmc_pwrseq>; 325 vmmc-supply = <&vcc_3v3>; 326 vqmmc-supply = <&emmc_1v8>; 327}; 328 329/* 330 * EMMC_D4, EMMC_D5, EMMC_D6 and EMMC_D7 pins are shared between SPI NOR CS 331 * and eMMC Data 4 to 7 pins. 332 * Replace emmc_data_8b_pins to emmc_data_4b_pins from sd_emmc_c pinctrl-0, 333 * and change bus-width to 4 then spifc can be enabled. 334 */ 335&spifc { 336 status = "disabled"; 337 pinctrl-0 = <&nor_pins>; 338 pinctrl-names = "default"; 339 340 w25q32: spi-flash@0 { 341 #address-cells = <1>; 342 #size-cells = <1>; 343 compatible = "winbond,w25q128fw", "jedec,spi-nor"; 344 reg = <0>; 345 spi-max-frequency = <104000000>; 346 }; 347}; 348 349&uart_A { 350 status = "okay"; 351 pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>; 352 pinctrl-names = "default"; 353 uart-has-rtscts; 354 355 bluetooth { 356 compatible = "brcm,bcm43438-bt"; 357 shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>; 358 max-speed = <2000000>; 359 clocks = <&wifi32k>; 360 clock-names = "lpo"; 361 }; 362}; 363 364&uart_AO { 365 status = "okay"; 366 pinctrl-0 = <&uart_ao_a_pins>; 367 pinctrl-names = "default"; 368}; 369 370&usb2_phy0 { 371 phy-supply = <&dc_in>; 372}; 373 374&usb2_phy1 { 375 phy-supply = <&usb_pwr>; 376}; 377 378&usb3_pcie_phy { 379 phy-supply = <&usb_pwr>; 380}; 381 382&usb { 383 status = "okay"; 384 dr_mode = "peripheral"; 385}; 386