arch/arm/boot/dts/am335x-phycore-som.dtsi

   1 /*
   2  * Copyright (C) 2015 Phytec Messtechnik GmbH
   3  * Author: Teresa Remmet <t.remmet@phytec.de>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  */
   9
  10 #include "am33xx.dtsi"
  11
  12 / {
  13         model = "Phytec AM335x phyCORE";
  14         compatible = "phytec,am335x-phycore-som", "ti,am33xx";
  15
  16         aliases {
  17                 rtc0 = &i2c_rtc;
  18                 rtc1 = &rtc;
  19         };
  20
  21         cpus {
  22                 cpu@0 {
  23                         cpu0-supply = <&vdd1_reg>;
  24                 };
  25         };
  26
  27         memory {
  28                 device_type = "memory";
  29                 reg = <0x80000000 0x10000000>; /* 256 MB */
  30         };
  31
  32         regulators {
  33                 compatible = "simple-bus";
  34
  35                 vcc5v: fixedregulator@0 {
  36                         compatible = "regulator-fixed";
  37                         regulator-name = "vcc5v";
  38                         regulator-min-microvolt = <5000000>;
  39                         regulator-max-microvolt = <5000000>;
  40                         regulator-boot-on;
  41                         regulator-always-on;
  42                 };
  43         };
  44 };
  45
  46 /* Crypto Module */
  47 &aes {
  48         status = "okay";
  49 };
  50
  51 &sham {
  52         status = "okay";
  53 };
  54
  55 /* Ethernet */
  56 &am33xx_pinmux {
  57         ethernet0_pins: pinmux_ethernet0 {
  58                 pinctrl-single,pins = <
  59                         AM33XX_IOPAD(0x90c, PIN_INPUT_PULLDOWN | MUX_MODE1)     /* mii1_crs.rmii1_crs_dv */
  60                         AM33XX_IOPAD(0x910, PIN_INPUT_PULLDOWN | MUX_MODE1)     /* mii1_rxerr.rmii1_rxerr */
  61                         AM33XX_IOPAD(0x914, PIN_OUTPUT | MUX_MODE1)             /* mii1_txen.rmii1_txen */
  62                         AM33XX_IOPAD(0x924, PIN_OUTPUT | MUX_MODE1)             /* mii1_txd1.rmii1_txd1 */
  63                         AM33XX_IOPAD(0x928, PIN_OUTPUT | MUX_MODE1)             /* mii1_txd0.rmii1_txd0 */
  64                         AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE1)     /* mii1_rxd1.rmii1_rxd1 */
  65                         AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE1)     /* mii1_rxd0.rmii1_rxd0 */
  66                         AM33XX_IOPAD(0x944, PIN_INPUT_PULLDOWN | MUX_MODE0)     /* rmii1_refclk.rmii1_refclk */
  67                 >;
  68         };
  69
  70         mdio_pins: pinmux_mdio {
  71                 pinctrl-single,pins = <
  72                         /* MDIO */
  73                         AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)       /* mdio_data.mdio_data */
  74                         AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)                      /* mdio_clk.mdio_clk */
  75                 >;
  76         };
  77 };
  78
  79 &cpsw_emac0 {
  80         phy_id = <&davinci_mdio>, <0>;
  81         phy-mode = "rmii";
  82         dual_emac_res_vlan = <1>;
  83 };
  84
  85 &davinci_mdio {
  86         pinctrl-names = "default";
  87         pinctrl-0 = <&mdio_pins>;
  88         status = "okay";
  89 };
  90
  91 &mac {
  92         slaves = <1>;
  93         pinctrl-names = "default";
  94         pinctrl-0 = <&ethernet0_pins>;
  95         status = "okay";
  96 };
  97
  98 &phy_sel {
  99         rmii-clock-ext;
 100 };
 101
 102 /* I2C Busses */
 103 &am33xx_pinmux {
 104         i2c0_pins: pinmux_i2c0 {
 105                 pinctrl-single,pins = <
 106                         AM33XX_IOPAD(0x988, PIN_INPUT | MUX_MODE0)      /* i2c0_sda.i2c0_sda */
 107                         AM33XX_IOPAD(0x98c, PIN_INPUT | MUX_MODE0)      /* i2c0_scl.i2c0_scl */
 108                 >;
 109         };
 110 };
 111
 112 &i2c0 {
 113         pinctrl-names = "default";
 114         pinctrl-0 = <&i2c0_pins>;
 115         clock-frequency = <400000>;
 116         status = "okay";
 117
 118         tps: pmic@2d {
 119                 reg = <0x2d>;
 120         };
 121
 122         i2c_eeprom: eeprom@52 {
 123                 compatible = "atmel,24c32";
 124                 pagesize = <32>;
 125                 reg = <0x52>;
 126                 status = "disabled";
 127         };
 128
 129         i2c_rtc: rtc@68 {
 130                 compatible = "rv4162";
 131                 reg = <0x68>;
 132                 status = "disabled";
 133         };
 134 };
 135
 136 /* NAND memory */
 137 &am33xx_pinmux {
 138                 nandflash_pins: pinmux_nandflash {
 139                         pinctrl-single,pins = <
 140                         AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_ad0.gpmc_ad0 */
 141                         AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_ad1.gpmc_ad1 */
 142                         AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_ad2.gpmc_ad2 */
 143                         AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_ad3.gpmc_ad3 */
 144                         AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_ad4.gpmc_ad4 */
 145                         AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_ad5.gpmc_ad5 */
 146                         AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_ad6.gpmc_ad6 */
 147                         AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_ad7.gpmc_ad7 */
 148                         AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_wait0.gpmc_wait0 */
 149                         AM33XX_IOPAD(0x87c, PIN_OUTPUT | MUX_MODE0)             /* gpmc_csn0.gpmc_csn0 */
 150                         AM33XX_IOPAD(0x890, PIN_OUTPUT | MUX_MODE0)             /* gpmc_advn_ale.gpmc_advn_ale */
 151                         AM33XX_IOPAD(0x894, PIN_OUTPUT | MUX_MODE0)             /* gpmc_oen_ren.gpmc_oen_ren */
 152                         AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE0)             /* gpmc_wen.gpmc_wen */
 153                         AM33XX_IOPAD(0x89c, PIN_OUTPUT | MUX_MODE0)             /* gpmc_be0n_cle.gpmc_be0n_cle */
 154                 >;
 155         };
 156 };
 157
 158 &elm {
 159         status = "okay";
 160 };
 161
 162 &gpmc {
 163         status = "okay";
 164         pinctrl-names = "default";
 165         pinctrl-0 = <&nandflash_pins>;
 166         ranges = <0 0 0x08000000 0x1000000>;   /* CS0: NAND */
 167         nandflash: nand@0,0 {
 168                 reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
 169                 nand-bus-width = <8>;
 170                 ti,nand-ecc-opt = "bch8";
 171                 gpmc,device-nand = "true";
 172                 gpmc,device-width = <1>;
 173                 gpmc,sync-clk-ps = <0>;
 174                 gpmc,cs-on-ns = <0>;
 175                 gpmc,cs-rd-off-ns = <30>;
 176                 gpmc,cs-wr-off-ns = <30>;
 177                 gpmc,adv-on-ns = <0>;
 178                 gpmc,adv-rd-off-ns = <30>;
 179                 gpmc,adv-wr-off-ns = <30>;
 180                 gpmc,we-on-ns = <0>;
 181                 gpmc,we-off-ns = <20>;
 182                 gpmc,oe-on-ns = <10>;
 183                 gpmc,oe-off-ns = <30>;
 184                 gpmc,access-ns = <30>;
 185                 gpmc,rd-cycle-ns = <30>;
 186                 gpmc,wr-cycle-ns = <30>;
 187                 gpmc,wait-on-read = "true";
 188                 gpmc,wait-on-write = "true";
 189                 gpmc,bus-turnaround-ns = <0>;
 190                 gpmc,cycle2cycle-delay-ns = <50>;
 191                 gpmc,cycle2cycle-diffcsen;
 192                 gpmc,clk-activation-ns = <0>;
 193                 gpmc,wait-monitoring-ns = <0>;
 194                 gpmc,wr-access-ns = <30>;
 195                 gpmc,wr-data-mux-bus-ns = <0>;
 196
 197                 elm_id = <&elm>;
 198
 199                 #address-cells = <1>;
 200                 #size-cells = <1>;
 201
 202                 partition@0 {
 203                         label = "xload";
 204                         reg = <0x0 0x20000>;
 205                 };
 206                 partition@1 {
 207                         label = "xload_backup1";
 208                         reg = <0x20000 0x20000>;
 209                 };
 210                 partition@2 {
 211                         label = "xload_backup2";
 212                         reg = <0x40000 0x20000>;
 213                 };
 214                 partition@3 {
 215                         label = "xload_backup3";
 216                         reg = <0x60000 0x20000>;
 217                 };
 218                 partition@4 {
 219                         label = "barebox";
 220                         reg = <0x80000 0x80000>;
 221                 };
 222                 partition@5 {
 223                         label = "bareboxenv";
 224                         reg = <0x100000 0x40000>;
 225                 };
 226                 partition@6 {
 227                         label = "oftree";
 228                         reg = <0x140000 0x40000>;
 229                 };
 230                 partition@7 {
 231                         label = "kernel";
 232                         reg = <0x180000 0x800000>;
 233                 };
 234                 partition@8 {
 235                         label = "root";
 236                         reg = <0x980000 0x0>;
 237                 };
 238         };
 239 };
 240
 241 /* Power */
 242 #include "tps65910.dtsi"
 243
 244 &tps {
 245         vcc1-supply = <&vcc5v>;
 246         vcc2-supply = <&vcc5v>;
 247         vcc3-supply = <&vcc5v>;
 248         vcc4-supply = <&vcc5v>;
 249         vcc5-supply = <&vcc5v>;
 250         vcc6-supply = <&vcc5v>;
 251         vcc7-supply = <&vcc5v>;
 252         vccio-supply = <&vcc5v>;
 253
 254         regulators {
 255                 vrtc_reg: regulator@0 {
 256                         regulator-always-on;
 257                 };
 258
 259                 vio_reg: regulator@1 {
 260                         regulator-always-on;
 261                 };
 262
 263                 vdd1_reg: regulator@2 {
 264                         /* VDD_MPU voltage limits 0.95V - 1.325V with +/-4% tolerance */
 265                         regulator-name = "vdd_mpu";
 266                         regulator-min-microvolt = <912500>;
 267                         regulator-max-microvolt = <1378000>;
 268                         regulator-boot-on;
 269                         regulator-always-on;
 270                 };
 271
 272                 vdd2_reg: regulator@3 {
 273                         /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
 274                         regulator-name = "vdd_core";
 275                         regulator-min-microvolt = <912500>;
 276                         regulator-max-microvolt = <1150000>;
 277                         regulator-boot-on;
 278                         regulator-always-on;
 279                 };
 280
 281                 vdd3_reg: regulator@4 {
 282                         regulator-always-on;
 283                 };
 284
 285                 vdig1_reg: regulator@5 {
 286                         regulator-name = "vdig1_1p8v";
 287                         regulator-min-microvolt = <1800000>;
 288                         regulator-max-microvolt = <1800000>;
 289                 };
 290
 291                 vdig2_reg: regulator@6 {
 292                         regulator-always-on;
 293                 };
 294
 295                 vpll_reg: regulator@7 {
 296                         regulator-always-on;
 297                 };
 298
 299                 vdac_reg: regulator@8 {
 300                         regulator-always-on;
 301                 };
 302
 303                 vaux1_reg: regulator@9 {
 304                         regulator-always-on;
 305                 };
 306
 307                 vaux2_reg: regulator@10 {
 308                         regulator-always-on;
 309                 };
 310
 311                 vaux33_reg: regulator@11 {
 312                         regulator-always-on;
 313                 };
 314
 315                 vmmc_reg: regulator@12 {
 316                         regulator-min-microvolt = <3300000>;
 317                         regulator-max-microvolt = <3300000>;
 318                         regulator-always-on;
 319                 };
 320         };
 321 };
 322
 323 /* SPI Busses */
 324 &am33xx_pinmux {
 325         spi0_pins: pinmux_spi0 {
 326                 pinctrl-single,pins = <
 327                         AM33XX_IOPAD(0x950, PIN_INPUT_PULLDOWN | MUX_MODE0)     /* spi0_clk.spi0_clk */
 328                         AM33XX_IOPAD(0x954, PIN_INPUT_PULLDOWN | MUX_MODE0)     /* spi0_d0.spi0_d0 */
 329                         AM33XX_IOPAD(0x958, PIN_INPUT_PULLUP | MUX_MODE0)       /* spi0_d1.spi0_d1 */
 330                         AM33XX_IOPAD(0x95c, PIN_INPUT_PULLUP | MUX_MODE0)       /* spi0_cs0.spi0_cs0 */
 331                 >;
 332         };
 333 };
 334
 335 &spi0 {
 336         pinctrl-names = "default";
 337         pinctrl-0 = <&spi0_pins>;
 338         status = "okay";
 339
 340         serial_flash: m25p80@0 {
 341                 compatible = "m25p80";
 342                 spi-max-frequency = <48000000>;
 343                 reg = <0x0>;
 344                 m25p,fast-read;
 345                 status = "disabled";
 346                 #address-cells = <1>;
 347                 #size-cells = <1>;
 348
 349                 partition@0 {
 350                         label = "xload";
 351                         reg = <0x0 0x20000>;
 352                 };
 353                 partition@1 {
 354                         label = "barebox";
 355                         reg = <0x20000 0x80000>;
 356                 };
 357                 partition@2 {
 358                         label = "bareboxenv";
 359                         reg = <0xa0000 0x20000>;
 360                 };
 361                 partition@3 {
 362                         label = "oftree";
 363                         reg = <0xc0000 0x20000>;
 364                 };
 365                 partition@4 {
 366                         label = "kernel";
 367                         reg = <0xe0000 0x0>;
 368                 };
 369         };
 370 };