arch/arm/dts/meson-g12b-odroid-n2.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Copyright (c) 2019 BayLibre, SAS
   4  * Author: Neil Armstrong <narmstrong@baylibre.com>
   5  */
   6
   7 /dts-v1/;
   8
   9 #include "meson-g12b.dtsi"
  10 #include <dt-bindings/input/input.h>
  11 #include <dt-bindings/gpio/meson-g12a-gpio.h>
  12 #include <dt-bindings/sound/meson-g12a-tohdmitx.h>
  13
  14 / {
  15         compatible = "hardkernel,odroid-n2", "amlogic,g12b";
  16         model = "Hardkernel ODROID-N2";
  17
  18         aliases {
  19                 serial0 = &uart_AO;
  20                 ethernet0 = &ethmac;
  21         };
  22
  23         chosen {
  24                 stdout-path = "serial0:115200n8";
  25         };
  26
  27         memory@0 {
  28                 device_type = "memory";
  29                 reg = <0x0 0x0 0x0 0x40000000>;
  30         };
  31
  32         emmc_pwrseq: emmc-pwrseq {
  33                 compatible = "mmc-pwrseq-emmc";
  34                 reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
  35         };
  36
  37         leds {
  38                 compatible = "gpio-leds";
  39
  40                 blue {
  41                         label = "n2:blue";
  42                         gpios = <&gpio_ao GPIOAO_11 GPIO_ACTIVE_HIGH>;
  43                         linux,default-trigger = "heartbeat";
  44                 };
  45         };
  46
  47         tflash_vdd: regulator-tflash_vdd {
  48                 compatible = "regulator-fixed";
  49
  50                 regulator-name = "TFLASH_VDD";
  51                 regulator-min-microvolt = <3300000>;
  52                 regulator-max-microvolt = <3300000>;
  53
  54                 gpio = <&gpio_ao GPIOAO_8 GPIO_ACTIVE_HIGH>;
  55                 enable-active-high;
  56         };
  57
  58         tf_io: gpio-regulator-tf_io {
  59                 compatible = "regulator-gpio";
  60
  61                 regulator-name = "TF_IO";
  62                 regulator-min-microvolt = <1800000>;
  63                 regulator-max-microvolt = <3300000>;
  64
  65                 gpios = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
  66                 gpios-states = <0>;
  67
  68                 states = <3300000 0
  69                           1800000 1>;
  70         };
  71
  72         flash_1v8: regulator-flash_1v8 {
  73                 compatible = "regulator-fixed";
  74                 regulator-name = "FLASH_1V8";
  75                 regulator-min-microvolt = <1800000>;
  76                 regulator-max-microvolt = <1800000>;
  77                 vin-supply = <&vcc_3v3>;
  78                 regulator-always-on;
  79         };
  80
  81         main_12v: regulator-main_12v {
  82                 compatible = "regulator-fixed";
  83                 regulator-name = "12V";
  84                 regulator-min-microvolt = <12000000>;
  85                 regulator-max-microvolt = <12000000>;
  86                 regulator-always-on;
  87         };
  88
  89         vcc_5v: regulator-vcc_5v {
  90                 compatible = "regulator-fixed";
  91                 regulator-name = "5V";
  92                 regulator-min-microvolt = <5000000>;
  93                 regulator-max-microvolt = <5000000>;
  94                 regulator-always-on;
  95                 vin-supply = <&main_12v>;
  96         };
  97
  98         vcc_1v8: regulator-vcc_1v8 {
  99                 compatible = "regulator-fixed";
 100                 regulator-name = "VCC_1V8";
 101                 regulator-min-microvolt = <1800000>;
 102                 regulator-max-microvolt = <1800000>;
 103                 vin-supply = <&vcc_3v3>;
 104                 regulator-always-on;
 105         };
 106
 107         vcc_3v3: regulator-vcc_3v3 {
 108                 compatible = "regulator-fixed";
 109                 regulator-name = "VCC_3V3";
 110                 regulator-min-microvolt = <3300000>;
 111                 regulator-max-microvolt = <3300000>;
 112                 vin-supply = <&vddao_3v3>;
 113                 regulator-always-on;
 114                 /* FIXME: actually controlled by VDDCPU_B_EN */
 115         };
 116
 117         hub_5v: regulator-hub_5v {
 118                 compatible = "regulator-fixed";
 119                 regulator-name = "HUB_5V";
 120                 regulator-min-microvolt = <5000000>;
 121                 regulator-max-microvolt = <5000000>;
 122                 vin-supply = <&vcc_5v>;
 123
 124                 /* Connected to the Hub CHIPENABLE, LOW sets low power state */
 125                 gpio = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
 126                 enable-active-high;
 127         };
 128
 129         usb_pwr_en: regulator-usb_pwr_en {
 130                 compatible = "regulator-fixed";
 131                 regulator-name = "USB_PWR_EN";
 132                 regulator-min-microvolt = <5000000>;
 133                 regulator-max-microvolt = <5000000>;
 134                 vin-supply = <&vcc_5v>;
 135
 136                 /* Connected to the microUSB port power enable */
 137                 gpio = <&gpio GPIOH_6 GPIO_ACTIVE_HIGH>;
 138                 enable-active-high;
 139         };
 140
 141         vddao_1v8: regulator-vddao_1v8 {
 142                 compatible = "regulator-fixed";
 143                 regulator-name = "VDDAO_1V8";
 144                 regulator-min-microvolt = <1800000>;
 145                 regulator-max-microvolt = <1800000>;
 146                 vin-supply = <&vddao_3v3>;
 147                 regulator-always-on;
 148         };
 149
 150         vddao_3v3: regulator-vddao_3v3 {
 151                 compatible = "regulator-fixed";
 152                 regulator-name = "VDDAO_3V3";
 153                 regulator-min-microvolt = <3300000>;
 154                 regulator-max-microvolt = <3300000>;
 155                 vin-supply = <&main_12v>;
 156                 regulator-always-on;
 157         };
 158
 159         hdmi-connector {
 160                 compatible = "hdmi-connector";
 161                 type = "a";
 162
 163                 port {
 164                         hdmi_connector_in: endpoint {
 165                                 remote-endpoint = <&hdmi_tx_tmds_out>;
 166                         };
 167                 };
 168         };
 169
 170         sound {
 171                 compatible = "amlogic,axg-sound-card";
 172                 model = "G12A-ODROIDN2";
 173                 audio-aux-devs = <&tdmout_b>;
 174                 audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
 175                                 "TDMOUT_B IN 1", "FRDDR_B OUT 1",
 176                                 "TDMOUT_B IN 2", "FRDDR_C OUT 1",
 177                                 "TDM_B Playback", "TDMOUT_B OUT";
 178
 179                 assigned-clocks = <&clkc CLKID_MPLL2>,
 180                                   <&clkc CLKID_MPLL0>,
 181                                   <&clkc CLKID_MPLL1>;
 182                 assigned-clock-parents = <0>, <0>, <0>;
 183                 assigned-clock-rates = <294912000>,
 184                                        <270950400>,
 185                                        <393216000>;
 186                 status = "okay";
 187
 188                 dai-link-0 {
 189                         sound-dai = <&frddr_a>;
 190                 };
 191
 192                 dai-link-1 {
 193                         sound-dai = <&frddr_b>;
 194                 };
 195
 196                 dai-link-2 {
 197                         sound-dai = <&frddr_c>;
 198                 };
 199
 200                 /* 8ch hdmi interface */
 201                 dai-link-3 {
 202                         sound-dai = <&tdmif_b>;
 203                         dai-format = "i2s";
 204                         dai-tdm-slot-tx-mask-0 = <1 1>;
 205                         dai-tdm-slot-tx-mask-1 = <1 1>;
 206                         dai-tdm-slot-tx-mask-2 = <1 1>;
 207                         dai-tdm-slot-tx-mask-3 = <1 1>;
 208                         mclk-fs = <256>;
 209
 210                         codec {
 211                                 sound-dai = <&tohdmitx TOHDMITX_I2S_IN_B>;
 212                         };
 213                 };
 214
 215                 /* hdmi glue */
 216                 dai-link-4 {
 217                         sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
 218
 219                         codec {
 220                                 sound-dai = <&hdmi_tx>;
 221                         };
 222                 };
 223         };
 224 };
 225
 226 &arb {
 227         status = "okay";
 228 };
 229
 230 &cec_AO {
 231         pinctrl-0 = <&cec_ao_a_h_pins>;
 232         pinctrl-names = "default";
 233         status = "disabled";
 234         hdmi-phandle = <&hdmi_tx>;
 235 };
 236
 237 &cecb_AO {
 238         pinctrl-0 = <&cec_ao_b_h_pins>;
 239         pinctrl-names = "default";
 240         status = "okay";
 241         hdmi-phandle = <&hdmi_tx>;
 242 };
 243
 244 &clkc_audio {
 245         status = "okay";
 246 };
 247
 248 &ext_mdio {
 249         external_phy: ethernet-phy@0 {
 250                 /* Realtek RTL8211F (0x001cc916) */
 251                 reg = <0>;
 252                 max-speed = <1000>;
 253
 254                 reset-assert-us = <10000>;
 255                 reset-deassert-us = <30000>;
 256                 reset-gpios = <&gpio GPIOZ_15 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
 257
 258                 interrupt-parent = <&gpio_intc>;
 259                 /* MAC_INTR on GPIOZ_14 */
 260                 interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
 261         };
 262 };
 263
 264 &ethmac {
 265         pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
 266         pinctrl-names = "default";
 267         status = "okay";
 268         phy-mode = "rgmii";
 269         phy-handle = <&external_phy>;
 270         amlogic,tx-delay-ns = <2>;
 271 };
 272
 273 &frddr_a {
 274         status = "okay";
 275 };
 276
 277 &frddr_b {
 278         status = "okay";
 279 };
 280
 281 &frddr_c {
 282         status = "okay";
 283 };
 284
 285 &gpio {
 286         /*
 287          * WARNING: The USB Hub on the Odroid-N2 needs a reset signal
 288          * to be turned high in order to be detected by the USB Controller
 289          * This signal should be handled by a USB specific power sequence
 290          * in order to reset the Hub when USB bus is powered down.
 291          */
 292         usb-hub {
 293                 gpio-hog;
 294                 gpios = <GPIOH_4 GPIO_ACTIVE_HIGH>;
 295                 output-high;
 296                 line-name = "usb-hub-reset";
 297         };
 298 };
 299
 300 &hdmi_tx {
 301         status = "okay";
 302         pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
 303         pinctrl-names = "default";
 304         hdmi-supply = <&vcc_5v>;
 305 };
 306
 307 &hdmi_tx_tmds_port {
 308         hdmi_tx_tmds_out: endpoint {
 309                 remote-endpoint = <&hdmi_connector_in>;
 310         };
 311 };
 312
 313 &ir {
 314         status = "okay";
 315         pinctrl-0 = <&remote_input_ao_pins>;
 316         pinctrl-names = "default";
 317 };
 318
 319 /* SD card */
 320 &sd_emmc_b {
 321         status = "okay";
 322         pinctrl-0 = <&sdcard_c_pins>;
 323         pinctrl-1 = <&sdcard_clk_gate_c_pins>;
 324         pinctrl-names = "default", "clk-gate";
 325
 326         bus-width = <4>;
 327         cap-sd-highspeed;
 328         max-frequency = <50000000>;
 329         disable-wp;
 330
 331         cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
 332         vmmc-supply = <&tflash_vdd>;
 333         vqmmc-supply = <&tf_io>;
 334
 335 };
 336
 337 /* eMMC */
 338 &sd_emmc_c {
 339         status = "okay";
 340         pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
 341         pinctrl-1 = <&emmc_clk_gate_pins>;
 342         pinctrl-names = "default", "clk-gate";
 343
 344         bus-width = <8>;
 345         cap-mmc-highspeed;
 346         mmc-ddr-1_8v;
 347         mmc-hs200-1_8v;
 348         max-frequency = <200000000>;
 349         disable-wp;
 350
 351         mmc-pwrseq = <&emmc_pwrseq>;
 352         vmmc-supply = <&vcc_3v3>;
 353         vqmmc-supply = <&flash_1v8>;
 354 };
 355
 356 &tdmif_b {
 357         status = "okay";
 358 };
 359
 360 &tdmout_b {
 361         status = "okay";
 362 };
 363
 364 &tohdmitx {
 365         status = "okay";
 366 };
 367
 368 &uart_AO {
 369         status = "okay";
 370         pinctrl-0 = <&uart_ao_a_pins>;
 371         pinctrl-names = "default";
 372 };
 373
 374 &usb {
 375         status = "okay";
 376         vbus-supply = <&usb_pwr_en>;
 377 };
 378
 379 &usb2_phy0 {
 380         phy-supply = <&vcc_5v>;
 381 };
 382
 383 &usb2_phy1 {
 384         /* Enable the hub which is connected to this port */
 385         phy-supply = <&hub_5v>;
 386 };