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 chosen { 26 stdout-path = "serial0:115200n8"; 27 }; 28 29 cvbs-connector { 30 compatible = "composite-video-connector"; 31 32 port { 33 cvbs_connector_in: endpoint { 34 remote-endpoint = <&cvbs_vdac_out>; 35 }; 36 }; 37 }; 38 39 emmc_pwrseq: emmc-pwrseq { 40 compatible = "mmc-pwrseq-emmc"; 41 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>; 42 }; 43 44 hdmi-connector { 45 compatible = "hdmi-connector"; 46 type = "a"; 47 48 port { 49 hdmi_connector_in: endpoint { 50 remote-endpoint = <&hdmi_tx_tmds_out>; 51 }; 52 }; 53 }; 54 55 leds { 56 compatible = "gpio-leds"; 57 58 led-system { 59 label = "librecomputer:system-status"; 60 gpios = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>; 61 default-state = "on"; 62 panic-indicator; 63 }; 64 65 led-blue { 66 label = "librecomputer:blue"; 67 gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>; 68 linux,default-trigger = "heartbeat"; 69 }; 70 }; 71 72 memory@0 { 73 device_type = "memory"; 74 reg = <0x0 0x0 0x0 0x80000000>; 75 }; 76 77 hdmi_5v: regulator-hdmi-5v { 78 compatible = "regulator-fixed"; 79 80 regulator-name = "HDMI_5V"; 81 regulator-min-microvolt = <5000000>; 82 regulator-max-microvolt = <5000000>; 83 84 gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>; 85 enable-active-high; 86 regulator-always-on; 87 }; 88 89 vcc_3v3: regulator-vcc_3v3 { 90 compatible = "regulator-fixed"; 91 regulator-name = "VCC_3V3"; 92 regulator-min-microvolt = <3300000>; 93 regulator-max-microvolt = <3300000>; 94 }; 95 96 vcc_card: regulator-vcc-card { 97 compatible = "regulator-gpio"; 98 99 regulator-name = "VCC_CARD"; 100 regulator-min-microvolt = <1800000>; 101 regulator-max-microvolt = <3300000>; 102 103 gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>; 104 gpios-states = <0>; 105 106 states = <3300000 0>, 107 <1800000 1>; 108 109 regulator-settling-time-up-us = <200>; 110 regulator-settling-time-down-us = <50000>; 111 }; 112 113 vddio_ao18: regulator-vddio_ao18 { 114 compatible = "regulator-fixed"; 115 regulator-name = "VDDIO_AO18"; 116 regulator-min-microvolt = <1800000>; 117 regulator-max-microvolt = <1800000>; 118 }; 119 120 /* This is provided by LDOs on the eMMC daugther card */ 121 vddio_boot: regulator-vddio_boot { 122 compatible = "regulator-fixed"; 123 regulator-name = "VDDIO_BOOT"; 124 regulator-min-microvolt = <1800000>; 125 regulator-max-microvolt = <1800000>; 126 vin-supply = <&vcc_3v3>; 127 }; 128 129 sound { 130 compatible = "amlogic,gx-sound-card"; 131 model = "GXL-LIBRETECH-S905X-CC"; 132 assigned-clocks = <&clkc CLKID_MPLL0>, 133 <&clkc CLKID_MPLL1>, 134 <&clkc CLKID_MPLL2>; 135 assigned-clock-parents = <0>, <0>, <0>; 136 assigned-clock-rates = <294912000>, 137 <270950400>, 138 <393216000>; 139 status = "okay"; 140 141 dai-link-0 { 142 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>; 143 }; 144 145 dai-link-1 { 146 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>; 147 dai-format = "i2s"; 148 mclk-fs = <256>; 149 150 codec-0 { 151 sound-dai = <&aiu AIU_HDMI CTRL_I2S>; 152 }; 153 }; 154 155 dai-link-2 { 156 sound-dai = <&aiu AIU_HDMI CTRL_OUT>; 157 158 codec-0 { 159 sound-dai = <&hdmi_tx>; 160 }; 161 }; 162 }; 163}; 164 165&aiu { 166 status = "okay"; 167}; 168 169&cec_AO { 170 status = "okay"; 171 pinctrl-0 = <&ao_cec_pins>; 172 pinctrl-names = "default"; 173 hdmi-phandle = <&hdmi_tx>; 174}; 175 176&cvbs_vdac_port { 177 cvbs_vdac_out: endpoint { 178 remote-endpoint = <&cvbs_connector_in>; 179 }; 180}; 181 182ðmac { 183 status = "okay"; 184}; 185 186&internal_phy { 187 pinctrl-0 = <ð_link_led_pins>, <ð_act_led_pins>; 188 pinctrl-names = "default"; 189}; 190 191&ir { 192 status = "okay"; 193 pinctrl-0 = <&remote_input_ao_pins>; 194 pinctrl-names = "default"; 195}; 196 197&hdmi_tx { 198 status = "okay"; 199 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>; 200 pinctrl-names = "default"; 201 hdmi-supply = <&hdmi_5v>; 202}; 203 204&hdmi_tx_tmds_port { 205 hdmi_tx_tmds_out: endpoint { 206 remote-endpoint = <&hdmi_connector_in>; 207 }; 208}; 209 210&gpio_ao { 211 gpio-line-names = "UART TX", 212 "UART RX", 213 "Blue LED", 214 "SDCard Voltage Switch", 215 "7J1 Header Pin5", 216 "7J1 Header Pin3", 217 "7J1 Header Pin12", 218 "IR In", 219 "9J3 Switch HDMI CEC/7J1 Header Pin11", 220 "7J1 Header Pin13", 221 /* GPIO_TEST_N */ 222 "7J1 Header Pin15"; 223}; 224 225&gpio { 226 gpio-line-names = /* Bank GPIOZ */ 227 "", "", "", "", "", "", "", 228 "", "", "", "", "", "", "", 229 "Eth Link LED", "Eth Activity LED", 230 /* Bank GPIOH */ 231 "HDMI HPD", "HDMI SDA", "HDMI SCL", 232 "HDMI_5V_EN", "9J1 Header Pin2", 233 "Analog Audio Mute", 234 "2J3 Header Pin6", 235 "2J3 Header Pin5", 236 "2J3 Header Pin4", 237 "2J3 Header Pin3", 238 /* Bank BOOT */ 239 "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3", 240 "eMMC D4", "eMMC D5", "eMMC D6", "eMMC D7", 241 "eMMC Clk", "eMMC Reset", "eMMC CMD", 242 "ALT BOOT MODE", "", "", "", "eMMC Data Strobe", 243 /* Bank CARD */ 244 "SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD", 245 "SDCard D3", "SDCard D2", "SDCard Det", 246 /* Bank GPIODV */ 247 "", "", "", "", "", "", "", "", "", "", "", "", 248 "", "", "", "", "", "", "", "", "", "", "", "", 249 "Green LED", "VCCK Enable", 250 "7J1 Header Pin27", "7J1 Header Pin28", 251 "VCCK Regulator", "VDDEE Regulator", 252 /* Bank GPIOX */ 253 "7J1 Header Pin22", "7J1 Header Pin26", 254 "7J1 Header Pin36", "7J1 Header Pin38", 255 "7J1 Header Pin40", "7J1 Header Pin37", 256 "7J1 Header Pin33", "7J1 Header Pin35", 257 "7J1 Header Pin19", "7J1 Header Pin21", 258 "7J1 Header Pin24", "7J1 Header Pin23", 259 "7J1 Header Pin8", "7J1 Header Pin10", 260 "7J1 Header Pin16", "7J1 Header Pin18", 261 "7J1 Header Pin32", "7J1 Header Pin29", 262 "7J1 Header Pin31", 263 /* Bank GPIOCLK */ 264 "7J1 Header Pin7", ""; 265}; 266 267&saradc { 268 status = "okay"; 269 vref-supply = <&vddio_ao18>; 270}; 271 272/* SD card */ 273&sd_emmc_b { 274 status = "okay"; 275 pinctrl-0 = <&sdcard_pins>; 276 pinctrl-1 = <&sdcard_clk_gate_pins>; 277 pinctrl-names = "default", "clk-gate"; 278 279 bus-width = <4>; 280 cap-sd-highspeed; 281 max-frequency = <50000000>; 282 disable-wp; 283 284 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>; 285 286 vmmc-supply = <&vcc_3v3>; 287 vqmmc-supply = <&vcc_card>; 288}; 289 290/* eMMC */ 291&sd_emmc_c { 292 status = "okay"; 293 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>; 294 pinctrl-1 = <&emmc_clk_gate_pins>; 295 pinctrl-names = "default", "clk-gate"; 296 297 bus-width = <8>; 298 cap-mmc-highspeed; 299 mmc-ddr-1_8v; 300 mmc-hs200-1_8v; 301 max-frequency = <200000000>; 302 disable-wp; 303 304 mmc-pwrseq = <&emmc_pwrseq>; 305 vmmc-supply = <&vcc_3v3>; 306 vqmmc-supply = <&vddio_boot>; 307}; 308 309&uart_AO { 310 status = "okay"; 311 pinctrl-0 = <&uart_ao_a_pins>; 312 pinctrl-names = "default"; 313}; 314 315&usb { 316 status = "okay"; 317 dr_mode = "host"; 318}; 319 320&usb2_phy0 { 321 /* 322 * even though the schematics don't show it: 323 * HDMI_5V is also used as supply for the USB VBUS. 324 */ 325 phy-supply = <&hdmi_5v>; 326}; 327