git.sur5r.net Git - u-boot/blob - arch/arm/dts/sun8i-a23-polaroid-mid2407pxe03.dts

   1 /*
   2  * Copyright 2016 Hans de Goede <hdegoede@redhat.com>
   3  *
   4  * This file is dual-licensed: you can use it either under the terms
   5  * of the GPL or the X11 license, at your option. Note that this dual
   6  * licensing only applies to this file, and not this project as a
   7  * whole.
   8  *
   9  *  a) This file is free software; you can redistribute it and/or
  10  *     modify it under the terms of the GNU General Public License as
  11  *     published by the Free Software Foundation; either version 2 of the
  12  *     License, or (at your option) any later version.
  13  *
  14  *     This file is distributed in the hope that it will be useful,
  15  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *     GNU General Public License for more details.
  18  *
  19  * Or, alternatively,
  20  *
  21  *  b) Permission is hereby granted, free of charge, to any person
  22  *     obtaining a copy of this software and associated documentation
  23  *     files (the "Software"), to deal in the Software without
  24  *     restriction, including without limitation the rights to use,
  25  *     copy, modify, merge, publish, distribute, sublicense, and/or
  26  *     sell copies of the Software, and to permit persons to whom the
  27  *     Software is furnished to do so, subject to the following
  28  *     conditions:
  29  *
  30  *     The above copyright notice and this permission notice shall be
  31  *     included in all copies or substantial portions of the Software.
  32  *
  33  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  34  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  35  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  36  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  37  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  38  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  39  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  40  *     OTHER DEALINGS IN THE SOFTWARE.
  41  */
  42
  43 /dts-v1/;
  44 #include "sun8i-a23.dtsi"
  45 #include "sunxi-common-regulators.dtsi"
  46
  47 #include <dt-bindings/gpio/gpio.h>
  48 #include <dt-bindings/input/input.h>
  49 #include <dt-bindings/pinctrl/sun4i-a10.h>
  50 #include <dt-bindings/pwm/pwm.h>
  51
  52 / {
  53         model = "Polaroid MID2407PXE03 tablet";
  54         compatible = "polaroid,mid2407pxe03", "allwinner,sun8i-a23";
  55
  56         aliases {
  57                 serial0 = &r_uart;
  58         };
  59
  60         backlight: backlight {
  61                 compatible = "pwm-backlight";
  62                 pinctrl-names = "default";
  63                 pinctrl-0 = <&bl_en_pin_mid2407>;
  64                 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
  65                 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
  66                 default-brightness-level = <8>;
  67                 enable-gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
  68         };
  69
  70         chosen {
  71                 stdout-path = "serial0:115200n8";
  72         };
  73 };
  74
  75 &i2c0 {
  76         pinctrl-names = "default";
  77         pinctrl-0 = <&i2c0_pins_a>;
  78         status = "okay";
  79         /*
  80          * The gsl1680 is rated at 400KHz and it will not work reliable at
  81          * 100KHz, this has been confirmed on multiple different tablets.
  82          * The gsl1680 is the only device on this bus.
  83          */
  84         clock-frequency = <400000>;
  85
  86         gsl1680: touchscreen@40 {
  87                 compatible = "silead,gsl1680";
  88                 reg = <0x40>;
  89                 interrupt-parent = <&pio>;
  90                 interrupts = <1 5 IRQ_TYPE_EDGE_FALLING>; /* PB5 */
  91                 pinctrl-names = "default";
  92                 pinctrl-0 = <&ts_power_pin_mid2407>;
  93                 power-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
  94                 touchscreen-size-x = <960>;
  95                 touchscreen-size-y = <640>;
  96                 touchscreen-inverted-x;
  97                 touchscreen-inverted-y;
  98                 touchscreen-max-fingers = <5>;
  99                 touchscreen-fw-name = "silead/gsl1680-polaroid-mid2407pxe03.fw";
 100         };
 101 };
 102
 103 &i2c1 {
 104         pinctrl-names = "default";
 105         pinctrl-0 = <&i2c1_pins_a>;
 106         status = "okay";
 107 };
 108
 109 &lradc {
 110         vref-supply = <&reg_vcc3v0>;
 111         status = "okay";
 112
 113         button@200 {
 114                 label = "Volume Up";
 115                 linux,code = <KEY_VOLUMEUP>;
 116                 channel = <0>;
 117                 voltage = <200000>;
 118         };
 119
 120         button@400 {
 121                 label = "Volume Down";
 122                 linux,code = <KEY_VOLUMEDOWN>;
 123                 channel = <0>;
 124                 voltage = <400000>;
 125         };
 126 };
 127
 128 &mmc0 {
 129         pinctrl-names = "default";
 130         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_mid2407>;
 131         vmmc-supply = <&reg_dcdc1>;
 132         bus-width = <4>;
 133         cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
 134         cd-inverted;
 135         status = "okay";
 136 };
 137
 138 &pio {
 139         bl_en_pin_mid2407: bl_en_pin@0 {
 140                 allwinner,pins = "PH6";
 141                 allwinner,function = "gpio_in";
 142                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 143                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 144         };
 145
 146         mmc0_cd_pin_mid2407: mmc0_cd_pin@0 {
 147                 allwinner,pins = "PB4";
 148                 allwinner,function = "gpio_in";
 149                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 150                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 151         };
 152
 153         ts_power_pin_mid2407: ts_power_pin@0 {
 154                 allwinner,pins = "PH1";
 155                 allwinner,function = "gpio_out";
 156                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 157                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 158         };
 159
 160         usb0_id_detect_pin: usb0_id_detect_pin@0 {
 161                 allwinner,pins = "PH8";
 162                 allwinner,function = "gpio_in";
 163                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 164                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 165         };
 166 };
 167
 168 &pwm {
 169         pinctrl-names = "default";
 170         pinctrl-0 = <&pwm0_pins>;
 171         status = "okay";
 172 };
 173
 174 &r_rsb {
 175         status = "okay";
 176
 177         axp22x: pmic@3a3 {
 178                 compatible = "x-powers,axp223";
 179                 reg = <0x3a3>;
 180                 interrupt-parent = <&nmi_intc>;
 181                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 182                 eldoin-supply = <&reg_dcdc1>;
 183                 x-powers,drive-vbus-en;
 184         };
 185 };
 186
 187 &r_uart {
 188         pinctrl-names = "default";
 189         pinctrl-0 = <&r_uart_pins_a>;
 190         status = "okay";
 191 };
 192
 193 #include "axp22x.dtsi"
 194
 195 &reg_aldo1 {
 196         regulator-always-on;
 197         regulator-min-microvolt = <3000000>;
 198         regulator-max-microvolt = <3000000>;
 199         regulator-name = "vcc-io";
 200 };
 201
 202 &reg_aldo2 {
 203         regulator-always-on;
 204         regulator-min-microvolt = <2350000>;
 205         regulator-max-microvolt = <2650000>;
 206         regulator-name = "vdd-dll";
 207 };
 208
 209 &reg_aldo3 {
 210         regulator-always-on;
 211         regulator-min-microvolt = <2700000>;
 212         regulator-max-microvolt = <3300000>;
 213         regulator-name = "vcc-pll-avcc";
 214 };
 215
 216 &reg_dc1sw {
 217         regulator-name = "vcc-lcd";
 218 };
 219
 220 &reg_dc5ldo {
 221         regulator-always-on;
 222         regulator-min-microvolt = <900000>;
 223         regulator-max-microvolt = <1400000>;
 224         regulator-name = "vdd-cpus";
 225 };
 226
 227 &reg_dcdc1 {
 228         regulator-always-on;
 229         regulator-min-microvolt = <3000000>;
 230         regulator-max-microvolt = <3000000>;
 231         regulator-name = "vcc-3v0";
 232 };
 233
 234 &reg_dcdc2 {
 235         regulator-always-on;
 236         regulator-min-microvolt = <900000>;
 237         regulator-max-microvolt = <1400000>;
 238         regulator-name = "vdd-sys";
 239 };
 240
 241 &reg_dcdc3 {
 242         regulator-always-on;
 243         regulator-min-microvolt = <900000>;
 244         regulator-max-microvolt = <1400000>;
 245         regulator-name = "vdd-cpu";
 246 };
 247
 248 &reg_dcdc5 {
 249         regulator-always-on;
 250         regulator-min-microvolt = <1500000>;
 251         regulator-max-microvolt = <1500000>;
 252         regulator-name = "vcc-dram";
 253 };
 254
 255 &reg_drivevbus {
 256         regulator-name = "usb0-vbus";
 257         status = "okay";
 258 };
 259
 260 &reg_ldo_io1 {
 261         regulator-always-on;
 262         regulator-min-microvolt = <3300000>;
 263         regulator-max-microvolt = <3300000>;
 264         regulator-name = "vcc-touchscreen";
 265         status = "okay";
 266 };
 267
 268 &reg_rtc_ldo {
 269         regulator-name = "vcc-rtc";
 270 };
 271
 272 &simplefb_lcd {
 273         vcc-lcd-supply = <&reg_dc1sw>;
 274 };
 275
 276 &usb_otg {
 277         dr_mode = "otg";
 278         status = "okay";
 279 };
 280
 281 &usb_power_supply {
 282         status = "okay";
 283 };
 284
 285 &usbphy {
 286         pinctrl-names = "default";
 287         pinctrl-0 = <&usb0_id_detect_pin>;
 288         usb0_id_det-gpio = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */
 289         usb0_vbus_power-supply = <&usb_power_supply>;
 290         usb0_vbus-supply = <&reg_drivevbus>;
 291         status = "okay";
 292 };