arch/arm64/boot/dts/rockchip/rk3368-evb.dtsi

   1 /*
   2  * Copyright (c) 2015 Caesar Wang <wxt@rock-chips.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 #include <dt-bindings/input/input.h>
  44 #include <dt-bindings/pwm/pwm.h>
  45 #include "rk3368.dtsi"
  46
  47 / {
  48         chosen {
  49                 stdout-path = "serial2:115200n8";
  50         };
  51
  52         memory {
  53                 device_type = "memory";
  54                 reg = <0x0 0x0 0x0 0x40000000>;
  55         };
  56
  57         backlight: backlight {
  58                 compatible = "pwm-backlight";
  59                 brightness-levels = <
  60                           0   1   2   3   4   5   6   7
  61                           8   9  10  11  12  13  14  15
  62                          16  17  18  19  20  21  22  23
  63                          24  25  26  27  28  29  30  31
  64                          32  33  34  35  36  37  38  39
  65                          40  41  42  43  44  45  46  47
  66                          48  49  50  51  52  53  54  55
  67                          56  57  58  59  60  61  62  63
  68                          64  65  66  67  68  69  70  71
  69                          72  73  74  75  76  77  78  79
  70                          80  81  82  83  84  85  86  87
  71                          88  89  90  91  92  93  94  95
  72                          96  97  98  99 100 101 102 103
  73                         104 105 106 107 108 109 110 111
  74                         112 113 114 115 116 117 118 119
  75                         120 121 122 123 124 125 126 127
  76                         128 129 130 131 132 133 134 135
  77                         136 137 138 139 140 141 142 143
  78                         144 145 146 147 148 149 150 151
  79                         152 153 154 155 156 157 158 159
  80                         160 161 162 163 164 165 166 167
  81                         168 169 170 171 172 173 174 175
  82                         176 177 178 179 180 181 182 183
  83                         184 185 186 187 188 189 190 191
  84                         192 193 194 195 196 197 198 199
  85                         200 201 202 203 204 205 206 207
  86                         208 209 210 211 212 213 214 215
  87                         216 217 218 219 220 221 222 223
  88                         224 225 226 227 228 229 230 231
  89                         232 233 234 235 236 237 238 239
  90                         240 241 242 243 244 245 246 247
  91                         248 249 250 251 252 253 254 255>;
  92                 default-brightness-level = <128>;
  93                 enable-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
  94                 pinctrl-names = "default";
  95                 pinctrl-0 = <&bl_en>;
  96                 pwms = <&pwm0 0 1000000 PWM_POLARITY_INVERTED>;
  97                 pwm-delay-us = <10000>;
  98         };
  99
 100         emmc_pwrseq: emmc-pwrseq {
 101                 compatible = "mmc-pwrseq-emmc";
 102                 pinctrl-0 = <&emmc_reset>;
 103                 pinctrl-names = "default";
 104                 reset-gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>;
 105         };
 106
 107         keys: gpio-keys {
 108                 compatible = "gpio-keys";
 109                 pinctrl-names = "default";
 110                 pinctrl-0 = <&pwr_key>;
 111
 112                 power {
 113                         wakeup-source;
 114                         gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
 115                         label = "GPIO Power";
 116                         linux,code = <KEY_POWER>;
 117                 };
 118         };
 119
 120         /* supplies both host and otg */
 121         vcc_host: vcc-host-regulator {
 122                 compatible = "regulator-fixed";
 123                 enable-active-high;
 124                 gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
 125                 pinctrl-names = "default";
 126                 pinctrl-0 = <&host_vbus_drv>;
 127                 regulator-name = "vcc_host";
 128                 regulator-always-on;
 129                 regulator-boot-on;
 130                 vin-supply = <&vcc_sys>;
 131         };
 132
 133         vcc_lan: vcc-lan-regulator {
 134                 compatible = "regulator-fixed";
 135                 regulator-name = "vcc_lan";
 136                 regulator-min-microvolt = <3300000>;
 137                 regulator-max-microvolt = <3300000>;
 138                 regulator-always-on;
 139                 regulator-boot-on;
 140                 vin-supply = <&vcc_io>;
 141         };
 142
 143         vcc_sys: vcc-sys-regulator {
 144                 compatible = "regulator-fixed";
 145                 regulator-name = "vcc_sys";
 146                 regulator-min-microvolt = <5000000>;
 147                 regulator-max-microvolt = <5000000>;
 148                 regulator-always-on;
 149                 regulator-boot-on;
 150         };
 151 };
 152
 153 &emmc {
 154         bus-width = <8>;
 155         cap-mmc-highspeed;
 156         disable-wp;
 157         mmc-pwrseq = <&emmc_pwrseq>;
 158         non-removable;
 159         num-slots = <1>;
 160         pinctrl-names = "default";
 161         pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
 162         status = "okay";
 163 };
 164
 165 &gmac {
 166         phy-supply = <&vcc_lan>;
 167         phy-mode = "rmii";
 168         clock_in_out = "output";
 169         snps,reset-gpio = <&gpio3 12 0>;
 170         snps,reset-active-low;
 171         snps,reset-delays-us = <0 10000 1000000>;
 172         pinctrl-names = "default";
 173         pinctrl-0 = <&rmii_pins>;
 174         tx_delay = <0x30>;
 175         rx_delay = <0x10>;
 176         status = "ok";
 177 };
 178
 179 &i2c0 {
 180         status = "okay";
 181 };
 182
 183 &pinctrl {
 184         pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
 185                 bias-disable;
 186                 drive-strength = <8>;
 187         };
 188
 189         pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
 190                 bias-pull-up;
 191                 drive-strength = <8>;
 192         };
 193
 194         backlight {
 195                 bl_en: bl-en {
 196                         rockchip,pins = <0 20 RK_FUNC_GPIO &pcfg_pull_none>;
 197                 };
 198         };
 199
 200         emmc {
 201                 emmc_bus8: emmc-bus8 {
 202                         rockchip,pins = <1 18 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
 203                                         <1 19 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
 204                                         <1 20 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
 205                                         <1 21 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
 206                                         <1 22 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
 207                                         <1 23 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
 208                                         <1 24 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
 209                                         <1 25 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
 210                 };
 211
 212                 emmc-clk {
 213                         rockchip,pins = <2 4 RK_FUNC_2 &pcfg_pull_none_drv_8ma>;
 214                 };
 215
 216                 emmc-cmd {
 217                         rockchip,pins = <1 26 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
 218                 };
 219
 220                 emmc_reset: emmc-reset {
 221                         rockchip,pins = <2 3 RK_FUNC_GPIO &pcfg_pull_none>;
 222                 };
 223         };
 224
 225         keys {
 226                 pwr_key: pwr-key {
 227                         rockchip,pins = <0 2 RK_FUNC_GPIO &pcfg_pull_up>;
 228                 };
 229         };
 230
 231         pmic {
 232                 pmic_int: pmic-int {
 233                         rockchip,pins = <0 1 RK_FUNC_GPIO &pcfg_pull_up>;
 234                 };
 235         };
 236
 237         sdio {
 238                 wifi_reg_on: wifi-reg-on {
 239                         rockchip,pins = <3 4 RK_FUNC_GPIO &pcfg_pull_none>;
 240                 };
 241
 242                 bt_rst: bt-rst {
 243                         rockchip,pins = <3 5 RK_FUNC_GPIO &pcfg_pull_none>;
 244                 };
 245         };
 246
 247         usb {
 248                 host_vbus_drv: host-vbus-drv {
 249                         rockchip,pins = <0 4 RK_FUNC_GPIO &pcfg_pull_none>;
 250                 };
 251         };
 252 };
 253
 254 &pwm0 {
 255         status = "okay";
 256 };
 257
 258 &tsadc {
 259         rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */
 260         rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */
 261         status = "okay";
 262 };
 263
 264 &uart2 {
 265         status = "okay";
 266 };
 267
 268 &usb_host0_ehci {
 269         status = "okay";
 270 };
 271
 272 &usb_otg {
 273         dr_mode = "host";
 274         status = "okay";
 275 };
 276
 277 &wdt {
 278         status = "okay";
 279 };