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 #include <dt-bindings/interrupt-controller/irq.h>
  12
  13 / {
  14         model = "Phytec AM335x phyCORE";
  15         compatible = "phytec,am335x-phycore-som", "ti,am33xx";
  16
  17         aliases {
  18                 rtc0 = &i2c_rtc;
  19                 rtc1 = &rtc;
  20         };
  21
  22         cpus {
  23                 cpu@0 {
  24                         cpu0-supply = <&vdd1_reg>;
  25                 };
  26         };
  27
  28         memory@80000000 {
  29                 device_type = "memory";
  30                 reg = <0x80000000 0x10000000>; /* 256 MB */
  31         };
  32
  33         regulators {
  34                 compatible = "simple-bus";
  35
  36                 vcc5v: fixedregulator0 {
  37                         compatible = "regulator-fixed";
  38                         regulator-name = "vcc5v";
  39                         regulator-min-microvolt = <5000000>;
  40                         regulator-max-microvolt = <5000000>;
  41                         regulator-boot-on;
  42                         regulator-always-on;
  43                 };
  44         };
  45 };
  46
  47 /* Crypto Module */
  48 &aes {
  49         status = "okay";
  50 };
  51
  52 &sham {
  53         status = "okay";
  54 };
  55
  56 /* Ethernet */
  57 &am33xx_pinmux {
  58         ethernet0_pins: pinmux_ethernet0 {
  59                 pinctrl-single,pins = <
  60                         AM33XX_IOPAD(0x90c, PIN_INPUT_PULLDOWN | MUX_MODE1)     /* mii1_crs.rmii1_crs_dv */
  61                         AM33XX_IOPAD(0x910, PIN_INPUT_PULLDOWN | MUX_MODE1)     /* mii1_rxerr.rmii1_rxerr */
  62                         AM33XX_IOPAD(0x914, PIN_OUTPUT | MUX_MODE1)             /* mii1_txen.rmii1_txen */
  63                         AM33XX_IOPAD(0x924, PIN_OUTPUT | MUX_MODE1)             /* mii1_txd1.rmii1_txd1 */
  64                         AM33XX_IOPAD(0x928, PIN_OUTPUT | MUX_MODE1)             /* mii1_txd0.rmii1_txd0 */
  65                         AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE1)     /* mii1_rxd1.rmii1_rxd1 */
  66                         AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE1)     /* mii1_rxd0.rmii1_rxd0 */
  67                         AM33XX_IOPAD(0x944, PIN_INPUT_PULLDOWN | MUX_MODE0)     /* rmii1_refclk.rmii1_refclk */
  68                 >;
  69         };
  70
  71         mdio_pins: pinmux_mdio {
  72                 pinctrl-single,pins = <
  73                         /* MDIO */
  74                         AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)       /* mdio_data.mdio_data */
  75                         AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)                      /* mdio_clk.mdio_clk */
  76                 >;
  77         };
  78 };
  79
  80 &cpsw_emac0 {
  81         phy-handle = <&phy0>;
  82         phy-mode = "rmii";
  83         dual_emac_res_vlan = <1>;
  84 };
  85
  86 &davinci_mdio {
  87         pinctrl-names = "default";
  88         pinctrl-0 = <&mdio_pins>;
  89         status = "okay";
  90
  91         phy0: ethernet-phy@0 {
  92                 reg = <0>;
  93         };
  94 };
  95
  96 &mac {
  97         slaves = <1>;
  98         pinctrl-names = "default";
  99         pinctrl-0 = <&ethernet0_pins>;
 100         status = "okay";
 101 };
 102
 103 /* I2C Busses */
 104 &am33xx_pinmux {
 105         i2c0_pins: pinmux_i2c0 {
 106                 pinctrl-single,pins = <
 107                         AM33XX_IOPAD(0x988, PIN_INPUT | MUX_MODE0)      /* i2c0_sda.i2c0_sda */
 108                         AM33XX_IOPAD(0x98c, PIN_INPUT | MUX_MODE0)      /* i2c0_scl.i2c0_scl */
 109                 >;
 110         };
 111 };
 112
 113 &i2c0 {
 114         pinctrl-names = "default";
 115         pinctrl-0 = <&i2c0_pins>;
 116         clock-frequency = <400000>;
 117         status = "okay";
 118
 119         tps: pmic@2d {
 120                 reg = <0x2d>;
 121         };
 122
 123         i2c_tmp102: temp@4b {
 124                 compatible = "ti,tmp102";
 125                 reg = <0x4b>;
 126                 status = "disabled";
 127         };
 128
 129         i2c_eeprom: eeprom@52 {
 130                 compatible = "atmel,24c32";
 131                 pagesize = <32>;
 132                 reg = <0x52>;
 133                 status = "disabled";
 134         };
 135
 136         i2c_rtc: rtc@68 {
 137                 compatible = "microcrystal,rv4162";
 138                 reg = <0x68>;
 139                 status = "disabled";
 140         };
 141 };
 142
 143 /* NAND memory */
 144 &am33xx_pinmux {
 145                 nandflash_pins: pinmux_nandflash {
 146                         pinctrl-single,pins = <
 147                         AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_ad0.gpmc_ad0 */
 148                         AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_ad1.gpmc_ad1 */
 149                         AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_ad2.gpmc_ad2 */
 150                         AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_ad3.gpmc_ad3 */
 151                         AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_ad4.gpmc_ad4 */
 152                         AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_ad5.gpmc_ad5 */
 153                         AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_ad6.gpmc_ad6 */
 154                         AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_ad7.gpmc_ad7 */
 155                         AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE0)       /* gpmc_wait0.gpmc_wait0 */
 156                         AM33XX_IOPAD(0x87c, PIN_OUTPUT | MUX_MODE0)             /* gpmc_csn0.gpmc_csn0 */
 157                         AM33XX_IOPAD(0x890, PIN_OUTPUT | MUX_MODE0)             /* gpmc_advn_ale.gpmc_advn_ale */
 158                         AM33XX_IOPAD(0x894, PIN_OUTPUT | MUX_MODE0)             /* gpmc_oen_ren.gpmc_oen_ren */
 159                         AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE0)             /* gpmc_wen.gpmc_wen */
 160                         AM33XX_IOPAD(0x89c, PIN_OUTPUT | MUX_MODE0)             /* gpmc_be0n_cle.gpmc_be0n_cle */
 161                 >;
 162         };
 163 };
 164
 165 &elm {
 166         status = "okay";
 167 };
 168
 169 &gpmc {
 170         status = "okay";
 171         pinctrl-names = "default";
 172         pinctrl-0 = <&nandflash_pins>;
 173         ranges = <0 0 0x08000000 0x1000000>;   /* CS0: NAND */
 174         nandflash: nand@0,0 {
 175                 compatible = "ti,omap2-nand";
 176                 reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
 177                 interrupt-parent = <&gpmc>;
 178                 interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
 179                              <1 IRQ_TYPE_NONE>; /* termcount */
 180                 rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
 181                 nand-bus-width = <8>;
 182                 ti,nand-ecc-opt = "bch8";
 183                 gpmc,device-nand = "true";
 184                 gpmc,device-width = <1>;
 185                 gpmc,sync-clk-ps = <0>;
 186                 gpmc,cs-on-ns = <0>;
 187                 gpmc,cs-rd-off-ns = <30>;
 188                 gpmc,cs-wr-off-ns = <30>;
 189                 gpmc,adv-on-ns = <0>;
 190                 gpmc,adv-rd-off-ns = <30>;
 191                 gpmc,adv-wr-off-ns = <30>;
 192                 gpmc,we-on-ns = <0>;
 193                 gpmc,we-off-ns = <20>;
 194                 gpmc,oe-on-ns = <10>;
 195                 gpmc,oe-off-ns = <30>;
 196                 gpmc,access-ns = <30>;
 197                 gpmc,rd-cycle-ns = <30>;
 198                 gpmc,wr-cycle-ns = <30>;
 199                 gpmc,bus-turnaround-ns = <0>;
 200                 gpmc,cycle2cycle-delay-ns = <50>;
 201                 gpmc,cycle2cycle-diffcsen;
 202                 gpmc,clk-activation-ns = <0>;
 203                 gpmc,wr-access-ns = <30>;
 204                 gpmc,wr-data-mux-bus-ns = <0>;
 205
 206                 ti,elm-id = <&elm>;
 207
 208                 #address-cells = <1>;
 209                 #size-cells = <1>;
 210         };
 211 };
 212
 213 /* Power */
 214 #include "tps65910.dtsi"
 215
 216 &tps {
 217         vcc1-supply = <&vcc5v>;
 218         vcc2-supply = <&vcc5v>;
 219         vcc3-supply = <&vcc5v>;
 220         vcc4-supply = <&vcc5v>;
 221         vcc5-supply = <&vcc5v>;
 222         vcc6-supply = <&vcc5v>;
 223         vcc7-supply = <&vcc5v>;
 224         vccio-supply = <&vcc5v>;
 225
 226         regulators {
 227                 vrtc_reg: regulator@0 {
 228                         regulator-always-on;
 229                 };
 230
 231                 vio_reg: regulator@1 {
 232                         regulator-always-on;
 233                 };
 234
 235                 vdd1_reg: regulator@2 {
 236                         /* VDD_MPU voltage limits 0.95V - 1.325V with +/-4% tolerance */
 237                         regulator-name = "vdd_mpu";
 238                         regulator-min-microvolt = <912500>;
 239                         regulator-max-microvolt = <1378000>;
 240                         regulator-boot-on;
 241                         regulator-always-on;
 242                 };
 243
 244                 vdd2_reg: regulator@3 {
 245                         /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
 246                         regulator-name = "vdd_core";
 247                         regulator-min-microvolt = <912500>;
 248                         regulator-max-microvolt = <1150000>;
 249                         regulator-boot-on;
 250                         regulator-always-on;
 251                 };
 252
 253                 vdd3_reg: regulator@4 {
 254                         regulator-always-on;
 255                 };
 256
 257                 vdig1_reg: regulator@5 {
 258                         regulator-name = "vdig1_1p8v";
 259                         regulator-min-microvolt = <1800000>;
 260                         regulator-max-microvolt = <1800000>;
 261                 };
 262
 263                 vdig2_reg: regulator@6 {
 264                         regulator-always-on;
 265                 };
 266
 267                 vpll_reg: regulator@7 {
 268                         regulator-always-on;
 269                 };
 270
 271                 vdac_reg: regulator@8 {
 272                         regulator-always-on;
 273                 };
 274
 275                 vaux1_reg: regulator@9 {
 276                         regulator-always-on;
 277                 };
 278
 279                 vaux2_reg: regulator@10 {
 280                         regulator-always-on;
 281                 };
 282
 283                 vaux33_reg: regulator@11 {
 284                         regulator-always-on;
 285                 };
 286
 287                 vmmc_reg: regulator@12 {
 288                         regulator-min-microvolt = <3300000>;
 289                         regulator-max-microvolt = <3300000>;
 290                         regulator-always-on;
 291                 };
 292         };
 293 };
 294
 295 /* SPI Busses */
 296 &am33xx_pinmux {
 297         spi0_pins: pinmux_spi0 {
 298                 pinctrl-single,pins = <
 299                         AM33XX_IOPAD(0x950, PIN_INPUT_PULLDOWN | MUX_MODE0)     /* spi0_clk.spi0_clk */
 300                         AM33XX_IOPAD(0x954, PIN_INPUT_PULLDOWN | MUX_MODE0)     /* spi0_d0.spi0_d0 */
 301                         AM33XX_IOPAD(0x958, PIN_INPUT_PULLUP | MUX_MODE0)       /* spi0_d1.spi0_d1 */
 302                         AM33XX_IOPAD(0x95c, PIN_INPUT_PULLUP | MUX_MODE0)       /* spi0_cs0.spi0_cs0 */
 303                 >;
 304         };
 305 };
 306
 307 &spi0 {
 308         pinctrl-names = "default";
 309         pinctrl-0 = <&spi0_pins>;
 310         status = "okay";
 311
 312         serial_flash: m25p80@0 {
 313                 compatible = "jedec,spi-nor";
 314                 spi-max-frequency = <48000000>;
 315                 reg = <0x0>;
 316                 m25p,fast-read;
 317                 status = "disabled";
 318                 #address-cells = <1>;
 319                 #size-cells = <1>;
 320         };
 321 };