arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts

   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
  12 #include "meson-gxl-s905x.dtsi"
  13
  14 / {
  15         compatible = "libretech,aml-s905x-cc", "amlogic,s905x",
  16                      "amlogic,meson-gxl";
  17         model = "Libre Computer AML-S905X-CC";
  18
  19         aliases {
  20                 serial0 = &uart_AO;
  21                 ethernet0 = &ethmac;
  22         };
  23
  24         chosen {
  25                 stdout-path = "serial0:115200n8";
  26         };
  27
  28         cvbs-connector {
  29                 compatible = "composite-video-connector";
  30
  31                 port {
  32                         cvbs_connector_in: endpoint {
  33                                 remote-endpoint = <&cvbs_vdac_out>;
  34                         };
  35                 };
  36         };
  37
  38         emmc_pwrseq: emmc-pwrseq {
  39                 compatible = "mmc-pwrseq-emmc";
  40                 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
  41         };
  42
  43         hdmi-connector {
  44                 compatible = "hdmi-connector";
  45                 type = "a";
  46
  47                 port {
  48                         hdmi_connector_in: endpoint {
  49                                 remote-endpoint = <&hdmi_tx_tmds_out>;
  50                         };
  51                 };
  52         };
  53
  54         leds {
  55                 compatible = "gpio-leds";
  56
  57                 system {
  58                         label = "librecomputer:system-status";
  59                         gpios = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>;
  60                         default-state = "on";
  61                         panic-indicator;
  62                 };
  63
  64                 blue {
  65                         label = "librecomputer:blue";
  66                         gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
  67                         linux,default-trigger = "heartbeat";
  68                 };
  69         };
  70
  71         memory@0 {
  72                 device_type = "memory";
  73                 reg = <0x0 0x0 0x0 0x80000000>;
  74         };
  75
  76         hdmi_5v: regulator-hdmi-5v {
  77                 compatible = "regulator-fixed";
  78
  79                 regulator-name = "HDMI_5V";
  80                 regulator-min-microvolt = <5000000>;
  81                 regulator-max-microvolt = <5000000>;
  82
  83                 gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
  84                 enable-active-high;
  85                 regulator-always-on;
  86         };
  87
  88         vcc_3v3: regulator-vcc_3v3 {
  89                 compatible = "regulator-fixed";
  90                 regulator-name = "VCC_3V3";
  91                 regulator-min-microvolt = <3300000>;
  92                 regulator-max-microvolt = <3300000>;
  93         };
  94
  95         vcc_card: regulator-vcc-card {
  96                 compatible = "regulator-gpio";
  97
  98                 regulator-name = "VCC_CARD";
  99                 regulator-min-microvolt = <1800000>;
 100                 regulator-max-microvolt = <3300000>;
 101
 102                 gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
 103                 gpios-states = <0>;
 104
 105                 states = <3300000 0>,
 106                          <1800000 1>;
 107
 108                 regulator-settling-time-up-us = <200>;
 109                 regulator-settling-time-down-us = <50000>;
 110         };
 111
 112         vddio_ao18: regulator-vddio_ao18 {
 113                 compatible = "regulator-fixed";
 114                 regulator-name = "VDDIO_AO18";
 115                 regulator-min-microvolt = <1800000>;
 116                 regulator-max-microvolt = <1800000>;
 117         };
 118
 119         /* This is provided by LDOs on the eMMC daugther card */
 120         vddio_boot: regulator-vddio_boot {
 121                 compatible = "regulator-fixed";
 122                 regulator-name = "VDDIO_BOOT";
 123                 regulator-min-microvolt = <1800000>;
 124                 regulator-max-microvolt = <1800000>;
 125                 vin-supply = <&vcc_3v3>;
 126         };
 127 };
 128
 129 &cec_AO {
 130         status = "okay";
 131         pinctrl-0 = <&ao_cec_pins>;
 132         pinctrl-names = "default";
 133         hdmi-phandle = <&hdmi_tx>;
 134 };
 135
 136 &cvbs_vdac_port {
 137         cvbs_vdac_out: endpoint {
 138                 remote-endpoint = <&cvbs_connector_in>;
 139         };
 140 };
 141
 142 &ethmac {
 143         status = "okay";
 144 };
 145
 146 &internal_phy {
 147         pinctrl-0 = <&eth_link_led_pins>, <&eth_act_led_pins>;
 148         pinctrl-names = "default";
 149 };
 150
 151 &ir {
 152         status = "okay";
 153         pinctrl-0 = <&remote_input_ao_pins>;
 154         pinctrl-names = "default";
 155 };
 156
 157 &hdmi_tx {
 158         status = "okay";
 159         pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
 160         pinctrl-names = "default";
 161         hdmi-supply = <&hdmi_5v>;
 162 };
 163
 164 &hdmi_tx_tmds_port {
 165         hdmi_tx_tmds_out: endpoint {
 166                 remote-endpoint = <&hdmi_connector_in>;
 167         };
 168 };
 169
 170 &gpio_ao {
 171         gpio-line-names = "UART TX",
 172                           "UART RX",
 173                           "Blue LED",
 174                           "SDCard Voltage Switch",
 175                           "7J1 Header Pin5",
 176                           "7J1 Header Pin3",
 177                           "7J1 Header Pin12",
 178                           "IR In",
 179                           "9J3 Switch HDMI CEC/7J1 Header Pin11",
 180                           "7J1 Header Pin13",
 181                           /* GPIO_TEST_N */
 182                           "7J1 Header Pin15";
 183 };
 184
 185 &gpio {
 186         gpio-line-names = /* Bank GPIOZ */
 187                           "", "", "", "", "", "", "",
 188                           "", "", "", "", "", "", "",
 189                           "Eth Link LED", "Eth Activity LED",
 190                           /* Bank GPIOH */
 191                           "HDMI HPD", "HDMI SDA", "HDMI SCL",
 192                           "HDMI_5V_EN", "9J1 Header Pin2",
 193                           "Analog Audio Mute",
 194                           "2J3 Header Pin6",
 195                           "2J3 Header Pin5",
 196                           "2J3 Header Pin4",
 197                           "2J3 Header Pin3",
 198                           /* Bank BOOT */
 199                           "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3",
 200                           "eMMC D4", "eMMC D5", "eMMC D6", "eMMC D7",
 201                           "eMMC Clk", "eMMC Reset", "eMMC CMD",
 202                           "ALT BOOT MODE", "", "", "", "eMMC Data Strobe",
 203                           /* Bank CARD */
 204                           "SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD",
 205                           "SDCard D3", "SDCard D2", "SDCard Det",
 206                           /* Bank GPIODV */
 207                           "", "", "", "", "", "", "", "", "", "", "", "",
 208                           "", "", "", "", "", "", "", "", "", "", "", "",
 209                           "Green LED", "VCCK Enable",
 210                           "7J1 Header Pin27", "7J1 Header Pin28",
 211                           "VCCK Regulator", "VDDEE Regulator",
 212                           /* Bank GPIOX */
 213                           "7J1 Header Pin22", "7J1 Header Pin26",
 214                           "7J1 Header Pin36", "7J1 Header Pin38",
 215                           "7J1 Header Pin40", "7J1 Header Pin37",
 216                           "7J1 Header Pin33", "7J1 Header Pin35",
 217                           "7J1 Header Pin19", "7J1 Header Pin21",
 218                           "7J1 Header Pin24", "7J1 Header Pin23",
 219                           "7J1 Header Pin8", "7J1 Header Pin10",
 220                           "7J1 Header Pin16", "7J1 Header Pin18",
 221                           "7J1 Header Pin32", "7J1 Header Pin29",
 222                           "7J1 Header Pin31",
 223                           /* Bank GPIOCLK */
 224                           "7J1 Header Pin7", "";
 225 };
 226
 227 &saradc {
 228         status = "okay";
 229         vref-supply = <&vddio_ao18>;
 230 };
 231
 232 /* SD card */
 233 &sd_emmc_b {
 234         status = "okay";
 235         pinctrl-0 = <&sdcard_pins>;
 236         pinctrl-1 = <&sdcard_clk_gate_pins>;
 237         pinctrl-names = "default", "clk-gate";
 238
 239         bus-width = <4>;
 240         cap-sd-highspeed;
 241         max-frequency = <50000000>;
 242         disable-wp;
 243
 244         cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
 245
 246         vmmc-supply = <&vcc_3v3>;
 247         vqmmc-supply = <&vcc_card>;
 248 };
 249
 250 /* eMMC */
 251 &sd_emmc_c {
 252         status = "okay";
 253         pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
 254         pinctrl-1 = <&emmc_clk_gate_pins>;
 255         pinctrl-names = "default", "clk-gate";
 256
 257         bus-width = <8>;
 258         cap-mmc-highspeed;
 259         mmc-ddr-1_8v;
 260         mmc-hs200-1_8v;
 261         max-frequency = <200000000>;
 262         disable-wp;
 263
 264         mmc-pwrseq = <&emmc_pwrseq>;
 265         vmmc-supply = <&vcc_3v3>;
 266         vqmmc-supply = <&vddio_boot>;
 267 };
 268
 269 &uart_AO {
 270         status = "okay";
 271         pinctrl-0 = <&uart_ao_a_pins>;
 272         pinctrl-names = "default";
 273 };
 274
 275 &usb0 {
 276         status = "okay";
 277 };
 278
 279 &usb2_phy0 {
 280         /*
 281          * even though the schematics don't show it:
 282          * HDMI_5V is also used as supply for the USB VBUS.
 283          */
 284         phy-supply = <&hdmi_5v>;
 285 };