sys/gnu/dts/arm64/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,cc", "amlogic,s905x", "amlogic,meson-gxl";
  16         model = "Libre Computer Board AML-S905X-CC";
  17
  18         aliases {
  19                 serial0 = &uart_AO;
  20                 ethernet0 = &ethmac;
  21         };
  22
  23         chosen {
  24                 stdout-path = "serial0:115200n8";
  25         };
  26
  27         cvbs-connector {
  28                 compatible = "composite-video-connector";
  29
  30                 port {
  31                         cvbs_connector_in: endpoint {
  32                                 remote-endpoint = <&cvbs_vdac_out>;
  33                         };
  34                 };
  35         };
  36
  37         emmc_pwrseq: emmc-pwrseq {
  38                 compatible = "mmc-pwrseq-emmc";
  39                 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
  40         };
  41
  42         hdmi-connector {
  43                 compatible = "hdmi-connector";
  44                 type = "a";
  45
  46                 port {
  47                         hdmi_connector_in: endpoint {
  48                                 remote-endpoint = <&hdmi_tx_tmds_out>;
  49                         };
  50                 };
  51         };
  52
  53         leds {
  54                 compatible = "gpio-leds";
  55
  56                 system {
  57                         label = "librecomputer:system-status";
  58                         gpios = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>;
  59                         default-state = "on";
  60                         panic-indicator;
  61                 };
  62
  63                 blue {
  64                         label = "librecomputer:blue";
  65                         gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
  66                         linux,default-trigger = "heartbeat";
  67                 };
  68         };
  69
  70         memory@0 {
  71                 device_type = "memory";
  72                 reg = <0x0 0x0 0x0 0x80000000>;
  73         };
  74
  75         hdmi_5v: regulator-hdmi-5v {
  76                 compatible = "regulator-fixed";
  77
  78                 regulator-name = "HDMI_5V";
  79                 regulator-min-microvolt = <5000000>;
  80                 regulator-max-microvolt = <5000000>;
  81
  82                 gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
  83                 enable-active-high;
  84                 regulator-always-on;
  85         };
  86
  87         vcc_3v3: regulator-vcc_3v3 {
  88                 compatible = "regulator-fixed";
  89                 regulator-name = "VCC_3V3";
  90                 regulator-min-microvolt = <3300000>;
  91                 regulator-max-microvolt = <3300000>;
  92         };
  93
  94         vcc_card: regulator-vcc-card {
  95                 compatible = "regulator-gpio";
  96
  97                 regulator-name = "VCC_CARD";
  98                 regulator-min-microvolt = <1800000>;
  99                 regulator-max-microvolt = <3300000>;
 100
 101                 gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
 102                 gpios-states = <0>;
 103
 104                 states = <3300000 0>,
 105                          <1800000 1>;
 106
 107                 regulator-settling-time-up-us = <200>;
 108                 regulator-settling-time-down-us = <50000>;
 109         };
 110
 111         vddio_ao18: regulator-vddio_ao18 {
 112                 compatible = "regulator-fixed";
 113                 regulator-name = "VDDIO_AO18";
 114                 regulator-min-microvolt = <1800000>;
 115                 regulator-max-microvolt = <1800000>;
 116         };
 117
 118         /* This is provided by LDOs on the eMMC daugther card */
 119         vddio_boot: regulator-vddio_boot {
 120                 compatible = "regulator-fixed";
 121                 regulator-name = "VDDIO_BOOT";
 122                 regulator-min-microvolt = <1800000>;
 123                 regulator-max-microvolt = <1800000>;
 124                 vin-supply = <&vcc_3v3>;
 125         };
 126 };
 127
 128 &cec_AO {
 129         status = "okay";
 130         pinctrl-0 = <&ao_cec_pins>;
 131         pinctrl-names = "default";
 132         hdmi-phandle = <&hdmi_tx>;
 133 };
 134
 135 &cvbs_vdac_port {
 136         cvbs_vdac_out: endpoint {
 137                 remote-endpoint = <&cvbs_connector_in>;
 138         };
 139 };
 140
 141 &ethmac {
 142         status = "okay";
 143 };
 144
 145 &internal_phy {
 146         pinctrl-0 = <&eth_link_led_pins>, <&eth_act_led_pins>;
 147         pinctrl-names = "default";
 148 };
 149
 150 &ir {
 151         status = "okay";
 152         pinctrl-0 = <&remote_input_ao_pins>;
 153         pinctrl-names = "default";
 154 };
 155
 156 &hdmi_tx {
 157         status = "okay";
 158         pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
 159         pinctrl-names = "default";
 160         hdmi-supply = <&hdmi_5v>;
 161 };
 162
 163 &hdmi_tx_tmds_port {
 164         hdmi_tx_tmds_out: endpoint {
 165                 remote-endpoint = <&hdmi_connector_in>;
 166         };
 167 };
 168
 169 &gpio_ao {
 170         gpio-line-names = "UART TX",
 171                           "UART RX",
 172                           "Blue LED",
 173                           "SDCard Voltage Switch",
 174                           "7J1 Header Pin5",
 175                           "7J1 Header Pin3",
 176                           "7J1 Header Pin12",
 177                           "IR In",
 178                           "9J3 Switch HDMI CEC/7J1 Header Pin11",
 179                           "7J1 Header Pin13",
 180                           /* GPIO_TEST_N */
 181                           "7J1 Header Pin15";
 182 };
 183
 184 &gpio {
 185         gpio-line-names = /* Bank GPIOZ */
 186                           "", "", "", "", "", "", "",
 187                           "", "", "", "", "", "", "",
 188                           "Eth Link LED", "Eth Activity LED",
 189                           /* Bank GPIOH */
 190                           "HDMI HPD", "HDMI SDA", "HDMI SCL",
 191                           "HDMI_5V_EN", "9J1 Header Pin2",
 192                           "Analog Audio Mute",
 193                           "2J3 Header Pin6",
 194                           "2J3 Header Pin5",
 195                           "2J3 Header Pin4",
 196                           "2J3 Header Pin3",
 197                           /* Bank BOOT */
 198                           "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3",
 199                           "eMMC D4", "eMMC D5", "eMMC D6", "eMMC D7",
 200                           "eMMC Clk", "eMMC Reset", "eMMC CMD",
 201                           "ALT BOOT MODE", "", "", "", "eMMC Data Strobe",
 202                           /* Bank CARD */
 203                           "SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD",
 204                           "SDCard D3", "SDCard D2", "SDCard Det",
 205                           /* Bank GPIODV */
 206                           "", "", "", "", "", "", "", "", "", "", "", "",
 207                           "", "", "", "", "", "", "", "", "", "", "", "",
 208                           "Green LED", "VCCK Enable",
 209                           "7J1 Header Pin27", "7J1 Header Pin28",
 210                           "VCCK Regulator", "VDDEE Regulator",
 211                           /* Bank GPIOX */
 212                           "7J1 Header Pin22", "7J1 Header Pin26",
 213                           "7J1 Header Pin36", "7J1 Header Pin38",
 214                           "7J1 Header Pin40", "7J1 Header Pin37",
 215                           "7J1 Header Pin33", "7J1 Header Pin35",
 216                           "7J1 Header Pin19", "7J1 Header Pin21",
 217                           "7J1 Header Pin24", "7J1 Header Pin23",
 218                           "7J1 Header Pin8", "7J1 Header Pin10",
 219                           "7J1 Header Pin16", "7J1 Header Pin18",
 220                           "7J1 Header Pin32", "7J1 Header Pin29",
 221                           "7J1 Header Pin31",
 222                           /* Bank GPIOCLK */
 223                           "7J1 Header Pin7", "";
 224 };
 225
 226 &saradc {
 227         status = "okay";
 228         vref-supply = <&vddio_ao18>;
 229 };
 230
 231 /* SD card */
 232 &sd_emmc_b {
 233         status = "okay";
 234         pinctrl-0 = <&sdcard_pins>;
 235         pinctrl-1 = <&sdcard_clk_gate_pins>;
 236         pinctrl-names = "default", "clk-gate";
 237
 238         bus-width = <4>;
 239         cap-sd-highspeed;
 240         max-frequency = <50000000>;
 241         disable-wp;
 242
 243         cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
 244
 245         vmmc-supply = <&vcc_3v3>;
 246         vqmmc-supply = <&vcc_card>;
 247 };
 248
 249 /* eMMC */
 250 &sd_emmc_c {
 251         status = "okay";
 252         pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
 253         pinctrl-1 = <&emmc_clk_gate_pins>;
 254         pinctrl-names = "default", "clk-gate";
 255
 256         bus-width = <8>;
 257         cap-mmc-highspeed;
 258         mmc-ddr-1_8v;
 259         mmc-hs200-1_8v;
 260         max-frequency = <200000000>;
 261         disable-wp;
 262
 263         mmc-pwrseq = <&emmc_pwrseq>;
 264         vmmc-supply = <&vcc_3v3>;
 265         vqmmc-supply = <&vddio_boot>;
 266 };
 267
 268 &uart_AO {
 269         status = "okay";
 270         pinctrl-0 = <&uart_ao_a_pins>;
 271         pinctrl-names = "default";
 272 };
 273
 274 &usb0 {
 275         status = "okay";
 276 };
 277
 278 &usb2_phy0 {
 279         /*
 280          * even though the schematics don't show it:
 281          * HDMI_5V is also used as supply for the USB VBUS.
 282          */
 283         phy-supply = <&hdmi_5v>;
 284 };