arch/arm/boot/dts/sun9i-a80-cubieboard4.dts

   1 /*
   2  * Copyright 2015 Tyler Baker
   3  *
   4  * Tyler Baker <tyler.baker@linaro.org>
   5  * Chen-Yu Tsai <wens@csie.org>
   6  *
   7  * This file is dual-licensed: you can use it either under the terms
   8  * of the GPL or the X11 license, at your option. Note that this dual
   9  * licensing only applies to this file, and not this project as a
  10  * whole.
  11  *
  12  *  a) This file is free software; you can redistribute it and/or
  13  *     modify it under the terms of the GNU General Public License as
  14  *     published by the Free Software Foundation; either version 2 of the
  15  *     License, or (at your option) any later version.
  16  *
  17  *     This file is distributed in the hope that it will be useful,
  18  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *     GNU General Public License for more details.
  21  *
  22  * Or, alternatively,
  23  *
  24  *  b) Permission is hereby granted, free of charge, to any person
  25  *     obtaining a copy of this software and associated documentation
  26  *     files (the "Software"), to deal in the Software without
  27  *     restriction, including without limitation the rights to use,
  28  *     copy, modify, merge, publish, distribute, sublicense, and/or
  29  *     sell copies of the Software, and to permit persons to whom the
  30  *     Software is furnished to do so, subject to the following
  31  *     conditions:
  32  *
  33  *     The above copyright notice and this permission notice shall be
  34  *     included in all copies or substantial portions of the Software.
  35  *
  36  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  37  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  38  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  39  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  40  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  41  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  42  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  43  *     OTHER DEALINGS IN THE SOFTWARE.
  44  */
  45
  46 /dts-v1/;
  47 #include "sun9i-a80.dtsi"
  48
  49 #include <dt-bindings/gpio/gpio.h>
  50 #include <dt-bindings/pinctrl/sun4i-a10.h>
  51
  52 / {
  53         model = "Cubietech Cubieboard4";
  54         compatible = "cubietech,a80-cubieboard4", "allwinner,sun9i-a80";
  55
  56         aliases {
  57                 serial0 = &uart0;
  58         };
  59
  60         chosen {
  61                 stdout-path = "serial0:115200n8";
  62         };
  63
  64         leds {
  65                 compatible = "gpio-leds";
  66                 pinctrl-names = "default";
  67                 pinctrl-0 = <&led_pins_cubieboard4>;
  68
  69                 green {
  70                         label = "cubieboard4:green:usr";
  71                         gpios = <&pio 7 17 GPIO_ACTIVE_HIGH>; /* PH17 */
  72                 };
  73
  74                 red {
  75                         label = "cubieboard4:red:usr";
  76                         gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
  77                 };
  78         };
  79 };
  80
  81 &mmc0 {
  82         pinctrl-names = "default";
  83         pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_cubieboard4>;
  84         vmmc-supply = <&reg_dcdc1>;
  85         bus-width = <4>;
  86         cd-gpios = <&pio 7 18 GPIO_ACTIVE_HIGH>; /* PH18 */
  87         cd-inverted;
  88         status = "okay";
  89 };
  90
  91 &mmc2 {
  92         pinctrl-names = "default";
  93         pinctrl-0 = <&mmc2_8bit_pins>;
  94         vmmc-supply = <&reg_dcdc1>;
  95         bus-width = <8>;
  96         non-removable;
  97         cap-mmc-hw-reset;
  98         status = "okay";
  99 };
 100
 101 &mmc2_8bit_pins {
 102         /* Increase drive strength for DDR modes */
 103         allwinner,drive = <SUN4I_PINCTRL_40_MA>;
 104 };
 105
 106 &pio {
 107         led_pins_cubieboard4: led-pins@0 {
 108                 allwinner,pins = "PH6", "PH17";
 109                 allwinner,function = "gpio_out";
 110                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 111                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 112         };
 113
 114         mmc0_cd_pin_cubieboard4: mmc0_cd_pin@0 {
 115                 allwinner,pins = "PH18";
 116                 allwinner,function = "gpio_in";
 117                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 118                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 119         };
 120 };
 121
 122 &r_ir {
 123         status = "okay";
 124 };
 125
 126 &r_rsb {
 127         status = "okay";
 128
 129         axp809: pmic@3a3 {
 130                 reg = <0x3a3>;
 131                 interrupt-parent = <&nmi_intc>;
 132                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 133
 134                 regulators {
 135                         reg_aldo1: aldo1 {
 136                                 /*
 137                                  * TODO: This should be handled by the
 138                                  * USB PHY driver.
 139                                  */
 140                                 regulator-always-on;
 141                                 regulator-min-microvolt = <3000000>;
 142                                 regulator-max-microvolt = <3000000>;
 143                                 regulator-name = "vcc33-usbh";
 144                         };
 145
 146                         reg_aldo2: aldo2 {
 147                                 regulator-min-microvolt = <1800000>;
 148                                 regulator-max-microvolt = <1800000>;
 149                                 regulator-name = "vcc-pb-io-cam";
 150                         };
 151
 152                         aldo3 {
 153                                 /* unused */
 154                         };
 155
 156                         reg_dc5ldo: dc5ldo {
 157                                 regulator-always-on;
 158                                 regulator-min-microvolt = <800000>;
 159                                 regulator-max-microvolt = <1100000>;
 160                                 regulator-name = "vdd-cpus-09-usbh";
 161                         };
 162
 163                         reg_dcdc1: dcdc1 {
 164                                 regulator-always-on;
 165                                 regulator-min-microvolt = <3000000>;
 166                                 regulator-max-microvolt = <3000000>;
 167                                 regulator-name = "vcc-3v";
 168                         };
 169
 170                         reg_dcdc2: dcdc2 {
 171                                 regulator-min-microvolt = <800000>;
 172                                 regulator-max-microvolt = <1100000>;
 173                                 regulator-name = "vdd-gpu";
 174                         };
 175
 176                         reg_dcdc3: dcdc3 {
 177                                 regulator-always-on;
 178                                 regulator-min-microvolt = <800000>;
 179                                 regulator-max-microvolt = <1100000>;
 180                                 regulator-name = "vdd-cpua";
 181                         };
 182
 183                         reg_dcdc4: dcdc4 {
 184                                 regulator-always-on;
 185                                 regulator-min-microvolt = <800000>;
 186                                 regulator-max-microvolt = <1100000>;
 187                                 regulator-name = "vdd-sys-usb0-hdmi";
 188                         };
 189
 190                         reg_dcdc5: dcdc5 {
 191                                 regulator-always-on;
 192                                 regulator-min-microvolt = <1425000>;
 193                                 regulator-max-microvolt = <1575000>;
 194                                 regulator-name = "vcc-dram";
 195                         };
 196
 197                         reg_dldo1: dldo1 {
 198                                 /*
 199                                  * The WiFi chip supports a wide range
 200                                  * (3.0 ~ 4.8V) of voltages, and so does
 201                                  * this regulator (3.0 ~ 4.2V), but
 202                                  * Allwinner SDK always sets it to 3.3V.
 203                                  */
 204                                 regulator-min-microvolt = <3300000>;
 205                                 regulator-max-microvolt = <3300000>;
 206                                 regulator-name = "vcc-wifi";
 207                         };
 208
 209                         reg_dldo2: dldo2 {
 210                                 regulator-always-on;
 211                                 regulator-min-microvolt = <3000000>;
 212                                 regulator-max-microvolt = <3000000>;
 213                                 regulator-name = "vcc-pl";
 214                         };
 215
 216                         reg_eldo1: eldo1 {
 217                                 regulator-min-microvolt = <1200000>;
 218                                 regulator-max-microvolt = <1200000>;
 219                                 regulator-name = "vcc-dvdd-cam";
 220                         };
 221
 222                         reg_eldo2: eldo2 {
 223                                 regulator-min-microvolt = <1800000>;
 224                                 regulator-max-microvolt = <1800000>;
 225                                 regulator-name = "vcc-pe";
 226                         };
 227
 228                         reg_eldo3: eldo3 {
 229                                 regulator-always-on;
 230                                 regulator-min-microvolt = <3000000>;
 231                                 regulator-max-microvolt = <3000000>;
 232                                 regulator-name = "vcc-pm-codec-io1";
 233                         };
 234
 235                         reg_ldo_io0: ldo_io0 {
 236                                 regulator-always-on;
 237                                 regulator-min-microvolt = <3000000>;
 238                                 regulator-max-microvolt = <3000000>;
 239                                 regulator-name = "vcc-pg";
 240                         };
 241
 242                         reg_ldo_io1: ldo_io1 {
 243                                 regulator-min-microvolt = <2500000>;
 244                                 regulator-max-microvolt = <2500000>;
 245                                 regulator-name = "vcc-pa-gmac-2v5";
 246                         };
 247
 248                         reg_rtc_ldo: rtc_ldo {
 249                                 regulator-name = "vcc-rtc-vdd1v8-io";
 250                         };
 251                 };
 252         };
 253 };
 254
 255 #include "axp809.dtsi"
 256
 257 &uart0 {
 258         pinctrl-names = "default";
 259         pinctrl-0 = <&uart0_pins_a>;
 260         status = "okay";
 261 };