arch/arm/boot/dts/r8a7792-wheat.dts

   1 /*
   2  * Device Tree Source for the Wheat board
   3  *
   4  * Copyright (C) 2016 Renesas Electronics Corporation
   5  * Copyright (C) 2016 Cogent  Embedded, Inc.
   6  *
   7  * This file is licensed under the terms of the GNU General Public License
   8  * version 2.  This program is licensed "as is" without any warranty of any
   9  * kind, whether express or implied.
  10  */
  11
  12 /dts-v1/;
  13 #include "r8a7792.dtsi"
  14 #include <dt-bindings/gpio/gpio.h>
  15 #include <dt-bindings/input/input.h>
  16
  17 / {
  18         model = "Wheat";
  19         compatible = "renesas,wheat", "renesas,r8a7792";
  20
  21         aliases {
  22                 serial0 = &scif0;
  23         };
  24
  25         chosen {
  26                 bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
  27                 stdout-path = "serial0:115200n8";
  28         };
  29
  30         memory@40000000 {
  31                 device_type = "memory";
  32                 reg = <0 0x40000000 0 0x40000000>;
  33         };
  34
  35         d3_3v: regulator-3v3 {
  36                 compatible = "regulator-fixed";
  37                 regulator-name = "D3.3V";
  38                 regulator-min-microvolt = <3300000>;
  39                 regulator-max-microvolt = <3300000>;
  40                 regulator-boot-on;
  41                 regulator-always-on;
  42         };
  43
  44         ethernet@18000000 {
  45                 compatible = "smsc,lan89218", "smsc,lan9115";
  46                 reg = <0 0x18000000 0 0x100>;
  47                 phy-mode = "mii";
  48                 interrupt-parent = <&irqc>;
  49                 interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
  50                 smsc,irq-push-pull;
  51                 smsc,save-mac-address;
  52                 reg-io-width = <4>;
  53                 vddvario-supply = <&d3_3v>;
  54                 vdd33a-supply = <&d3_3v>;
  55
  56                 pinctrl-0 = <&lan89218_pins>;
  57                 pinctrl-names = "default";
  58         };
  59
  60         keyboard {
  61                 compatible = "gpio-keys";
  62
  63                 key-a {
  64                         linux,code = <KEY_A>;
  65                         label = "SW2";
  66                         wakeup-source;
  67                         debounce-interval = <20>;
  68                         gpios = <&gpio3 20 GPIO_ACTIVE_LOW>;
  69                 };
  70                 key-b {
  71                         linux,code = <KEY_B>;
  72                         label = "SW3";
  73                         wakeup-source;
  74                         debounce-interval = <20>;
  75                         gpios = <&gpio11 2 GPIO_ACTIVE_LOW>;
  76                 };
  77         };
  78
  79         vcc_sdhi0: regulator-vcc-sdhi0 {
  80                 compatible = "regulator-fixed";
  81
  82                 regulator-name = "SDHI0 Vcc";
  83                 regulator-min-microvolt = <3300000>;
  84                 regulator-max-microvolt = <3300000>;
  85
  86                 gpio = <&gpio11 12 GPIO_ACTIVE_HIGH>;
  87                 enable-active-high;
  88         };
  89
  90         hdmi-out0 {
  91                 compatible = "hdmi-connector";
  92                 type = "a";
  93
  94                 port {
  95                         hdmi_con0: endpoint {
  96                                 remote-endpoint = <&adv7513_0_out>;
  97                         };
  98                 };
  99         };
 100
 101         hdmi-out1 {
 102                 compatible = "hdmi-connector";
 103                 type = "a";
 104
 105                 port {
 106                         hdmi_con1: endpoint {
 107                                 remote-endpoint = <&adv7513_1_out>;
 108                         };
 109                 };
 110         };
 111
 112         osc2_clk: osc2 {
 113                 compatible = "fixed-clock";
 114                 #clock-cells = <0>;
 115                 clock-frequency = <74250000>;
 116         };
 117 };
 118
 119 &extal_clk {
 120         clock-frequency = <20000000>;
 121 };
 122
 123 &pfc {
 124         scif0_pins: scif0 {
 125                 groups = "scif0_data";
 126                 function = "scif0";
 127         };
 128
 129         lan89218_pins: lan89218 {
 130                 intc {
 131                         groups = "intc_irq0";
 132                         function = "intc";
 133                 };
 134                 lbsc {
 135                         groups = "lbsc_ex_cs0";
 136                         function = "lbsc";
 137                 };
 138         };
 139
 140         can0_pins: can0 {
 141                 groups = "can0_data";
 142                 function = "can0";
 143         };
 144
 145         can1_pins: can1 {
 146                 groups = "can1_data";
 147                 function = "can1";
 148         };
 149
 150         sdhi0_pins: sdhi0 {
 151                 groups = "sdhi0_data4", "sdhi0_ctrl";
 152                 function = "sdhi0";
 153         };
 154
 155         qspi_pins: qspi {
 156                 groups = "qspi_ctrl", "qspi_data4";
 157                 function = "qspi";
 158         };
 159
 160         du0_pins: du0 {
 161                 groups = "du0_rgb888", "du0_sync", "du0_disp";
 162                 function = "du0";
 163         };
 164
 165         du1_pins: du1 {
 166                 groups = "du1_rgb666", "du1_sync", "du1_disp";
 167                 function = "du1";
 168         };
 169 };
 170
 171 &rwdt {
 172         timeout-sec = <60>;
 173         status = "okay";
 174 };
 175
 176 &scif0 {
 177         pinctrl-0 = <&scif0_pins>;
 178         pinctrl-names = "default";
 179
 180         status = "okay";
 181 };
 182
 183 &can0 {
 184         pinctrl-0 = <&can0_pins>;
 185         pinctrl-names = "default";
 186
 187         status = "okay";
 188 };
 189
 190 &can1 {
 191         pinctrl-0 = <&can1_pins>;
 192         pinctrl-names = "default";
 193
 194         status = "okay";
 195 };
 196
 197 &sdhi0 {
 198         pinctrl-0 = <&sdhi0_pins>;
 199         pinctrl-names = "default";
 200
 201         vmmc-supply = <&vcc_sdhi0>;
 202         cd-gpios = <&gpio11 11 GPIO_ACTIVE_LOW>;
 203         status = "okay";
 204 };
 205
 206 &qspi {
 207         pinctrl-0 = <&qspi_pins>;
 208         pinctrl-names = "default";
 209         status = "okay";
 210
 211         flash@0 {
 212                 compatible = "spansion,s25fl512s", "jedec,spi-nor";
 213                 reg = <0>;
 214                 spi-max-frequency = <30000000>;
 215                 spi-tx-bus-width = <4>;
 216                 spi-rx-bus-width = <4>;
 217                 spi-cpol;
 218                 spi-cpha;
 219                 m25p,fast-read;
 220
 221                 partitions {
 222                         compatible = "fixed-partitions";
 223                         #address-cells = <1>;
 224                         #size-cells = <1>;
 225
 226                         partition@0 {
 227                                 label = "loader";
 228                                 reg = <0x00000000 0x00040000>;
 229                                 read-only;
 230                         };
 231                         partition@40000 {
 232                                 label = "user";
 233                                 reg = <0x00040000 0x00400000>;
 234                                 read-only;
 235                         };
 236                         partition@440000 {
 237                                 label = "flash";
 238                                 reg = <0x00440000 0x03bc0000>;
 239                         };
 240                 };
 241         };
 242 };
 243
 244 &i2c4 {
 245         status = "okay";
 246         clock-frequency = <400000>;
 247
 248         /*
 249          * The adv75xx resets its addresses to defaults during low power mode.
 250          * Because we have two ADV7513 devices on the same bus, we must change
 251          * both of them away from the defaults so that they do not conflict.
 252          */
 253         hdmi@3d {
 254                 compatible = "adi,adv7513";
 255                 reg = <0x3d>, <0x2d>, <0x4d>, <0x5d>;
 256                 reg-names = "main", "cec", "edid", "packet";
 257
 258                 adi,input-depth = <8>;
 259                 adi,input-colorspace = "rgb";
 260                 adi,input-clock = "1x";
 261                 adi,input-style = <1>;
 262                 adi,input-justification = "evenly";
 263
 264                 ports {
 265                         #address-cells = <1>;
 266                         #size-cells = <0>;
 267
 268                         port@0 {
 269                                 reg = <0>;
 270                                 adv7513_0_in: endpoint {
 271                                         remote-endpoint = <&du_out_rgb0>;
 272                                 };
 273                         };
 274
 275                         port@1 {
 276                                 reg = <1>;
 277                                 adv7513_0_out: endpoint {
 278                                         remote-endpoint = <&hdmi_con0>;
 279                                 };
 280                         };
 281                 };
 282         };
 283
 284         hdmi@39 {
 285                 compatible = "adi,adv7513";
 286                 reg = <0x39>, <0x29>, <0x49>, <0x59>;
 287                 reg-names = "main", "cec", "edid", "packet";
 288
 289                 adi,input-depth = <8>;
 290                 adi,input-colorspace = "rgb";
 291                 adi,input-clock = "1x";
 292                 adi,input-style = <1>;
 293                 adi,input-justification = "evenly";
 294
 295                 ports {
 296                         #address-cells = <1>;
 297                         #size-cells = <0>;
 298
 299                         port@0 {
 300                                 reg = <0>;
 301                                 adv7513_1_in: endpoint {
 302                                         remote-endpoint = <&du_out_rgb1>;
 303                                 };
 304                         };
 305
 306                         port@1 {
 307                                 reg = <1>;
 308                                 adv7513_1_out: endpoint {
 309                                         remote-endpoint = <&hdmi_con1>;
 310                                 };
 311                         };
 312                 };
 313         };
 314 };
 315
 316 &du {
 317         pinctrl-0 = <&du0_pins &du1_pins>;
 318         pinctrl-names = "default";
 319
 320         clocks = <&cpg CPG_MOD 724>, <&cpg CPG_MOD 723>, <&osc2_clk>;
 321         clock-names = "du.0", "du.1", "dclkin.0";
 322         status = "okay";
 323
 324         ports {
 325                 port@0 {
 326                         endpoint {
 327                                 remote-endpoint = <&adv7513_0_in>;
 328                         };
 329                 };
 330                 port@1 {
 331                         endpoint {
 332                                 remote-endpoint = <&adv7513_1_in>;
 333                         };
 334                 };
 335         };
 336 };