arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts

   1 /*
   2  * Copyright (c) 2016 Andreas Färber
   3  * Copyright (c) 2016 BayLibre, Inc.
   4  * Author: Neil Armstrong <narmstrong@kernel.org>
   5  *
   6  * This file is dual-licensed: you can use it either under the terms
   7  * of the GPL or the X11 license, at your option. Note that this dual
   8  * licensing only applies to this file, and not this project as a
   9  * whole.
  10  *
  11  *  a) This library is free software; you can redistribute it and/or
  12  *     modify it under the terms of the GNU General Public License as
  13  *     published by the Free Software Foundation; either version 2 of the
  14  *     License, or (at your option) any later version.
  15  *
  16  *     This library is distributed in the hope that it will be useful,
  17  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *     GNU General Public License for more details.
  20  *
  21  * Or, alternatively,
  22  *
  23  *  b) Permission is hereby granted, free of charge, to any person
  24  *     obtaining a copy of this software and associated documentation
  25  *     files (the "Software"), to deal in the Software without
  26  *     restriction, including without limitation the rights to use,
  27  *     copy, modify, merge, publish, distribute, sublicense, and/or
  28  *     sell copies of the Software, and to permit persons to whom the
  29  *     Software is furnished to do so, subject to the following
  30  *     conditions:
  31  *
  32  *     The above copyright notice and this permission notice shall be
  33  *     included in all copies or substantial portions of the Software.
  34  *
  35  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  36  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  37  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  38  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  39  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  40  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  41  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  42  *     OTHER DEALINGS IN THE SOFTWARE.
  43  */
  44
  45 /dts-v1/;
  46
  47 #include "meson-gxbb.dtsi"
  48 #include <dt-bindings/gpio/gpio.h>
  49 #include <dt-bindings/input/input.h>
  50
  51 / {
  52         compatible = "nexbox,a95x", "amlogic,meson-gxbb";
  53         model = "NEXBOX A95X";
  54
  55         aliases {
  56                 serial0 = &uart_AO;
  57         };
  58
  59         chosen {
  60                 stdout-path = "serial0:115200n8";
  61         };
  62
  63         memory@0 {
  64                 device_type = "memory";
  65                 reg = <0x0 0x0 0x0 0x40000000>;
  66         };
  67
  68         leds {
  69                 compatible = "gpio-leds";
  70                 blue {
  71                         label = "a95x:system-status";
  72                         gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
  73                         linux,default-trigger = "heartbeat";
  74                         default-state = "off";
  75                 };
  76         };
  77
  78         gpio-keys-polled {
  79                 compatible = "gpio-keys-polled";
  80                 #address-cells = <1>;
  81                 #size-cells = <0>;
  82                 poll-interval = <100>;
  83
  84                 button@0 {
  85                         label = "reset";
  86                         linux,code = <KEY_RESTART>;
  87                         gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_LOW>;
  88                 };
  89         };
  90
  91         vddio_card: gpio-regulator {
  92                 compatible = "regulator-gpio";
  93
  94                 regulator-name = "VDDIO_CARD";
  95                 regulator-min-microvolt = <1800000>;
  96                 regulator-max-microvolt = <3300000>;
  97
  98                 gpios = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
  99                 gpios-states = <1>;
 100
 101                 /* Based on P200 schematics, signal CARD_1.8V/3.3V_CTR */
 102                 states = <1800000 0
 103                           3300000 1>;
 104         };
 105
 106         vddio_boot: regulator-vddio_boot {
 107                 compatible = "regulator-fixed";
 108                 regulator-name = "VDDIO_BOOT";
 109                 regulator-min-microvolt = <1800000>;
 110                 regulator-max-microvolt = <1800000>;
 111         };
 112
 113         vddao_3v3: regulator-vddao_3v3 {
 114                 compatible = "regulator-fixed";
 115                 regulator-name = "VDDAO_3V3";
 116                 regulator-min-microvolt = <3300000>;
 117                 regulator-max-microvolt = <3300000>;
 118         };
 119
 120         vcc_3v3: regulator-vcc_3v3 {
 121                 compatible = "regulator-fixed";
 122                 regulator-name = "VCC_3V3";
 123                 regulator-min-microvolt = <3300000>;
 124                 regulator-max-microvolt = <3300000>;
 125         };
 126
 127         emmc_pwrseq: emmc-pwrseq {
 128                 compatible = "mmc-pwrseq-emmc";
 129                 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
 130         };
 131
 132         wifi32k: wifi32k {
 133                 compatible = "pwm-clock";
 134                 #clock-cells = <0>;
 135                 clock-frequency = <32768>;
 136                 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
 137         };
 138
 139         sdio_pwrseq: sdio-pwrseq {
 140                 compatible = "mmc-pwrseq-simple";
 141                 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
 142                 clocks = <&wifi32k>;
 143                 clock-names = "ext_clock";
 144         };
 145
 146         cvbs-connector {
 147                 compatible = "composite-video-connector";
 148
 149                 port {
 150                         cvbs_connector_in: endpoint {
 151                                 remote-endpoint = <&cvbs_vdac_out>;
 152                         };
 153                 };
 154         };
 155 };
 156
 157 &uart_AO {
 158         status = "okay";
 159         pinctrl-0 = <&uart_ao_a_pins>;
 160         pinctrl-names = "default";
 161 };
 162
 163 &ethmac {
 164         status = "okay";
 165         pinctrl-0 = <&eth_rmii_pins>;
 166         pinctrl-names = "default";
 167         phy-mode = "rmii";
 168 };
 169
 170 &ir {
 171         status = "okay";
 172         pinctrl-0 = <&remote_input_ao_pins>;
 173         pinctrl-names = "default";
 174 };
 175
 176 /* Wireless SDIO Module */
 177 &sd_emmc_a {
 178         status = "okay";
 179         pinctrl-0 = <&sdio_pins>;
 180         pinctrl-names = "default";
 181         #address-cells = <1>;
 182         #size-cells = <0>;
 183
 184         bus-width = <4>;
 185         cap-sd-highspeed;
 186         max-frequency = <100000000>;
 187
 188         non-removable;
 189         disable-wp;
 190
 191         mmc-pwrseq = <&sdio_pwrseq>;
 192
 193         vmmc-supply = <&vddao_3v3>;
 194         vqmmc-supply = <&vddio_boot>;
 195 };
 196
 197 /* SD card */
 198 &sd_emmc_b {
 199         status = "okay";
 200         pinctrl-0 = <&sdcard_pins>;
 201         pinctrl-names = "default";
 202
 203         bus-width = <4>;
 204         cap-sd-highspeed;
 205         max-frequency = <100000000>;
 206         disable-wp;
 207
 208         cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>;
 209         cd-inverted;
 210
 211         vmmc-supply = <&vddao_3v3>;
 212         vqmmc-supply = <&vddio_card>;
 213 };
 214
 215 /* eMMC */
 216 &sd_emmc_c {
 217         status = "okay";
 218         pinctrl-0 = <&emmc_pins>;
 219         pinctrl-names = "default";
 220
 221         bus-width = <8>;
 222         cap-sd-highspeed;
 223         cap-mmc-highspeed;
 224         max-frequency = <200000000>;
 225         non-removable;
 226         disable-wp;
 227         mmc-ddr-1_8v;
 228         mmc-hs200-1_8v;
 229
 230         mmc-pwrseq = <&emmc_pwrseq>;
 231         vmmc-supply = <&vcc_3v3>;
 232         vqmmc-supply = <&vddio_boot>;
 233 };
 234
 235 &pwm_ef {
 236         status = "okay";
 237         pinctrl-0 = <&pwm_e_pins>;
 238         pinctrl-names = "default";
 239         clocks = <&clkc CLKID_FCLK_DIV4>;
 240         clock-names = "clkin0";
 241 };
 242
 243 &cvbs_vdac_port {
 244         cvbs_vdac_out: endpoint {
 245                 remote-endpoint = <&cvbs_connector_in>;
 246         };
 247 };