1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * Copyright (c) 2017 BayLibre, SAS. 4 * Author: Neil Armstrong <narmstrong@baylibre.com> 5 * Author: Jerome Brunet <jbrunet@baylibre.com> 6 */ 7 8/dts-v1/; 9 10#include <dt-bindings/input/input.h> 11#include <dt-bindings/sound/meson-aiu.h> 12 13#include "meson-gxl-s905x.dtsi" 14 15/ { 16 compatible = "libretech,aml-s905x-cc", "amlogic,s905x", 17 "amlogic,meson-gxl"; 18 model = "Libre Computer AML-S905X-CC"; 19 20 aliases { 21 serial0 = &uart_AO; 22 ethernet0 = ðmac; 23 }; 24 25 dio2133: analog-amplifier { 26 compatible = "simple-audio-amplifier"; 27 sound-name-prefix = "AU2"; 28 VCC-supply = <&hdmi_5v>; 29 enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>; 30 }; 31 32 chosen { 33 stdout-path = "serial0:115200n8"; 34 }; 35 36 cvbs-connector { 37 compatible = "composite-video-connector"; 38 39 port { 40 cvbs_connector_in: endpoint { 41 remote-endpoint = <&cvbs_vdac_out>; 42 }; 43 }; 44 }; 45 46 emmc_pwrseq: emmc-pwrseq { 47 compatible = "mmc-pwrseq-emmc"; 48 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>; 49 }; 50 51 hdmi-connector { 52 compatible = "hdmi-connector"; 53 type = "a"; 54 55 port { 56 hdmi_connector_in: endpoint { 57 remote-endpoint = <&hdmi_tx_tmds_out>; 58 }; 59 }; 60 }; 61 62 leds { 63 compatible = "gpio-leds"; 64 65 led-system { 66 label = "librecomputer:system-status"; 67 gpios = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>; 68 default-state = "on"; 69 panic-indicator; 70 }; 71 72 led-blue { 73 label = "librecomputer:blue"; 74 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>; 75 linux,default-trigger = "heartbeat"; 76 }; 77 }; 78 79 memory@0 { 80 device_type = "memory"; 81 reg = <0x0 0x0 0x0 0x80000000>; 82 }; 83 84 hdmi_5v: regulator-hdmi-5v { 85 compatible = "regulator-fixed"; 86 87 regulator-name = "HDMI_5V"; 88 regulator-min-microvolt = <5000000>; 89 regulator-max-microvolt = <5000000>; 90 91 gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>; 92 enable-active-high; 93 regulator-always-on; 94 }; 95 96 vcc_3v3: regulator-vcc_3v3 { 97 compatible = "regulator-fixed"; 98 regulator-name = "VCC_3V3"; 99 regulator-min-microvolt = <3300000>; 100 regulator-max-microvolt = <3300000>; 101 }; 102 103 vcc_card: regulator-vcc-card { 104 compatible = "regulator-gpio"; 105 106 regulator-name = "VCC_CARD"; 107 regulator-min-microvolt = <1800000>; 108 regulator-max-microvolt = <3300000>; 109 110 gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>; 111 gpios-states = <0>; 112 113 states = <3300000 0>, 114 <1800000 1>; 115 116 regulator-settling-time-up-us = <200>; 117 regulator-settling-time-down-us = <50000>; 118 }; 119 120 vddio_ao18: regulator-vddio_ao18 { 121 compatible = "regulator-fixed"; 122 regulator-name = "VDDIO_AO18"; 123 regulator-min-microvolt = <1800000>; 124 regulator-max-microvolt = <1800000>; 125 }; 126 127 /* This is provided by LDOs on the eMMC daugther card */ 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 vin-supply = <&vcc_3v3>; 134 }; 135 136 sound { 137 compatible = "amlogic,gx-sound-card"; 138 model = "GXL-LIBRETECH-S905X-CC"; 139 audio-aux-devs = <&dio2133>; 140 audio-widgets = "Line", "Lineout"; 141 audio-routing = "AU2 INL", "ACODEC LOLN", 142 "AU2 INR", "ACODEC LORN", 143 "Lineout", "AU2 OUTL", 144 "Lineout", "AU2 OUTR"; 145 assigned-clocks = <&clkc CLKID_MPLL0>, 146 <&clkc CLKID_MPLL1>, 147 <&clkc CLKID_MPLL2>; 148 assigned-clock-parents = <0>, <0>, <0>; 149 assigned-clock-rates = <294912000>, 150 <270950400>, 151 <393216000>; 152 status = "okay"; 153 154 dai-link-0 { 155 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>; 156 }; 157 158 dai-link-1 { 159 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>; 160 dai-format = "i2s"; 161 mclk-fs = <256>; 162 163 codec-0 { 164 sound-dai = <&aiu AIU_HDMI CTRL_I2S>; 165 }; 166 167 codec-1 { 168 sound-dai = <&aiu AIU_ACODEC CTRL_I2S>; 169 }; 170 }; 171 172 dai-link-2 { 173 sound-dai = <&aiu AIU_HDMI CTRL_OUT>; 174 175 codec-0 { 176 sound-dai = <&hdmi_tx>; 177 }; 178 }; 179 180 dai-link-3 { 181 sound-dai = <&aiu AIU_ACODEC CTRL_OUT>; 182 183 codec-0 { 184 sound-dai = <&acodec>; 185 }; 186 }; 187 }; 188}; 189 190&acodec { 191 AVDD-supply = <&vddio_ao18>; 192 status = "okay"; 193}; 194 195&aiu { 196 status = "okay"; 197}; 198 199&cec_AO { 200 status = "okay"; 201 pinctrl-0 = <&ao_cec_pins>; 202 pinctrl-names = "default"; 203 hdmi-phandle = <&hdmi_tx>; 204}; 205 206&cvbs_vdac_port { 207 cvbs_vdac_out: endpoint { 208 remote-endpoint = <&cvbs_connector_in>; 209 }; 210}; 211 212ðmac { 213 status = "okay"; 214}; 215 216&internal_phy { 217 pinctrl-0 = <ð_link_led_pins>, <ð_act_led_pins>; 218 pinctrl-names = "default"; 219}; 220 221&ir { 222 status = "okay"; 223 pinctrl-0 = <&remote_input_ao_pins>; 224 pinctrl-names = "default"; 225}; 226 227&hdmi_tx { 228 status = "okay"; 229 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>; 230 pinctrl-names = "default"; 231 hdmi-supply = <&hdmi_5v>; 232}; 233 234&hdmi_tx_tmds_port { 235 hdmi_tx_tmds_out: endpoint { 236 remote-endpoint = <&hdmi_connector_in>; 237 }; 238}; 239 240&gpio_ao { 241 gpio-line-names = "UART TX", 242 "UART RX", 243 "Blue LED", 244 "SDCard Voltage Switch", 245 "7J1 Header Pin5", 246 "7J1 Header Pin3", 247 "7J1 Header Pin12", 248 "IR In", 249 "9J3 Switch HDMI CEC/7J1 Header Pin11", 250 "7J1 Header Pin13", 251 /* GPIO_TEST_N */ 252 "7J1 Header Pin15"; 253}; 254 255&gpio { 256 gpio-line-names = /* Bank GPIOZ */ 257 "", "", "", "", "", "", "", 258 "", "", "", "", "", "", "", 259 "Eth Link LED", "Eth Activity LED", 260 /* Bank GPIOH */ 261 "HDMI HPD", "HDMI SDA", "HDMI SCL", 262 "HDMI_5V_EN", "9J1 Header Pin2", 263 "Analog Audio Mute", 264 "2J3 Header Pin6", 265 "2J3 Header Pin5", 266 "2J3 Header Pin4", 267 "2J3 Header Pin3", 268 /* Bank BOOT */ 269 "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3", 270 "eMMC D4", "eMMC D5", "eMMC D6", "eMMC D7", 271 "eMMC Clk", "eMMC Reset", "eMMC CMD", 272 "ALT BOOT MODE", "", "", "", "eMMC Data Strobe", 273 /* Bank CARD */ 274 "SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD", 275 "SDCard D3", "SDCard D2", "SDCard Det", 276 /* Bank GPIODV */ 277 "", "", "", "", "", "", "", "", "", "", "", "", 278 "", "", "", "", "", "", "", "", "", "", "", "", 279 "Green LED", "VCCK Enable", 280 "7J1 Header Pin27", "7J1 Header Pin28", 281 "VCCK Regulator", "VDDEE Regulator", 282 /* Bank GPIOX */ 283 "7J1 Header Pin22", "7J1 Header Pin26", 284 "7J1 Header Pin36", "7J1 Header Pin38", 285 "7J1 Header Pin40", "7J1 Header Pin37", 286 "7J1 Header Pin33", "7J1 Header Pin35", 287 "7J1 Header Pin19", "7J1 Header Pin21", 288 "7J1 Header Pin24", "7J1 Header Pin23", 289 "7J1 Header Pin8", "7J1 Header Pin10", 290 "7J1 Header Pin16", "7J1 Header Pin18", 291 "7J1 Header Pin32", "7J1 Header Pin29", 292 "7J1 Header Pin31", 293 /* Bank GPIOCLK */ 294 "7J1 Header Pin7", ""; 295}; 296 297&saradc { 298 status = "okay"; 299 vref-supply = <&vddio_ao18>; 300}; 301 302/* SD card */ 303&sd_emmc_b { 304 status = "okay"; 305 pinctrl-0 = <&sdcard_pins>; 306 pinctrl-1 = <&sdcard_clk_gate_pins>; 307 pinctrl-names = "default", "clk-gate"; 308 309 bus-width = <4>; 310 cap-sd-highspeed; 311 max-frequency = <50000000>; 312 disable-wp; 313 314 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>; 315 316 vmmc-supply = <&vcc_3v3>; 317 vqmmc-supply = <&vcc_card>; 318}; 319 320/* eMMC */ 321&sd_emmc_c { 322 status = "okay"; 323 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>; 324 pinctrl-1 = <&emmc_clk_gate_pins>; 325 pinctrl-names = "default", "clk-gate"; 326 327 bus-width = <8>; 328 cap-mmc-highspeed; 329 mmc-ddr-1_8v; 330 mmc-hs200-1_8v; 331 max-frequency = <200000000>; 332 disable-wp; 333 334 mmc-pwrseq = <&emmc_pwrseq>; 335 vmmc-supply = <&vcc_3v3>; 336 vqmmc-supply = <&vddio_boot>; 337}; 338 339&uart_AO { 340 status = "okay"; 341 pinctrl-0 = <&uart_ao_a_pins>; 342 pinctrl-names = "default"; 343}; 344 345&usb { 346 status = "okay"; 347 dr_mode = "host"; 348}; 349 350&usb2_phy0 { 351 /* 352 * even though the schematics don't show it: 353 * HDMI_5V is also used as supply for the USB VBUS. 354 */ 355 phy-supply = <&hdmi_5v>; 356}; 357