arch/arm/boot/dts/am335x-cm-t335.dts

   1 /*
   2  * am335x-cm-t335.dts - Device Tree file for Compulab CM-T335
   3  *
   4  * Copyright (C) 2014 - 2015 CompuLab Ltd. - http://www.compulab.co.il/
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 /dts-v1/;
  12
  13 #include "am33xx.dtsi"
  14
  15 / {
  16         model = "CompuLab CM-T335";
  17         compatible = "compulab,cm-t335", "ti,am33xx";
  18
  19         memory {
  20                 device_type = "memory";
  21                 reg = <0x80000000 0x8000000>;   /* 128 MB */
  22         };
  23
  24         leds {
  25                 compatible = "gpio-leds";
  26                 pinctrl-names = "default";
  27                 pinctrl-0 = <&gpio_led_pins>;
  28                 led@0 {
  29                         label = "cm_t335:green";
  30                         gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;     /* gpio2_0 */
  31                         linux,default-trigger = "heartbeat";
  32                 };
  33         };
  34
  35         /* regulator for mmc */
  36         vmmc_fixed: fixedregulator@0 {
  37                 compatible = "regulator-fixed";
  38                 regulator-name = "vmmc_fixed";
  39                 regulator-min-microvolt = <3300000>;
  40                 regulator-max-microvolt = <3300000>;
  41         };
  42
  43         backlight {
  44                 compatible = "pwm-backlight";
  45                 pwms = <&ecap0 0 50000 0>;
  46                 brightness-levels = <0 51 53 56 62 75 101 152 255>;
  47                 default-brightness-level = <8>;
  48         };
  49 };
  50
  51 &am33xx_pinmux {
  52         pinctrl-names = "default";
  53         pinctrl-0 = <&bluetooth_pins>;
  54
  55         i2c0_pins: pinmux_i2c0_pins {
  56                 pinctrl-single,pins = <
  57                         /* i2c0_sda.i2c0_sda */
  58                         AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0)
  59                         /* i2c0_scl.i2c0_scl */
  60                         AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0)
  61                 >;
  62         };
  63
  64         i2c1_pins: pinmux_i2c1_pins {
  65                 pinctrl-single,pins = <
  66                         /* uart0_ctsn.i2c1_sda */
  67                         AM33XX_IOPAD(0x968, PIN_INPUT_PULLUP | MUX_MODE2)
  68                         /* uart0_rtsn.i2c1_scl */
  69                         AM33XX_IOPAD(0x96c, PIN_INPUT_PULLUP | MUX_MODE2)
  70                 >;
  71         };
  72
  73         gpio_led_pins: pinmux_gpio_led_pins {
  74                 pinctrl-single,pins = <
  75                         /* gpmc_csn3.gpio2_0 */
  76                         AM33XX_IOPAD(0x888, PIN_OUTPUT | MUX_MODE7)
  77                 >;
  78         };
  79
  80         nandflash_pins: pinmux_nandflash_pins {
  81                 pinctrl-single,pins = <
  82                         /* gpmc_ad0.gpmc_ad0 */
  83                         AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE0)
  84                         /* gpmc_ad1.gpmc_ad1 */
  85                         AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE0)
  86                         /* gpmc_ad2.gpmc_ad2 */
  87                         AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE0)
  88                         /* gpmc_ad3.gpmc_ad3 */
  89                         AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE0)
  90                         /* gpmc_ad4.gpmc_ad4 */
  91                         AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE0)
  92                         /* gpmc_ad5.gpmc_ad5 */
  93                         AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE0)
  94                         /* gpmc_ad6.gpmc_ad6 */
  95                         AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE0)
  96                         /* gpmc_ad7.gpmc_ad7 */
  97                         AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE0)
  98                         /* gpmc_wait0.gpmc_wait0 */
  99                         AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE0)
 100                         /* gpmc_wpn.gpio0_30 */
 101                         AM33XX_IOPAD(0x874, PIN_INPUT_PULLUP | MUX_MODE7)
 102                         /* gpmc_csn0.gpmc_csn0  */
 103                         AM33XX_IOPAD(0x87c, PIN_OUTPUT | MUX_MODE0)
 104                         /* gpmc_advn_ale.gpmc_advn_ale */
 105                         AM33XX_IOPAD(0x890, PIN_OUTPUT | MUX_MODE0)
 106                         /* gpmc_oen_ren.gpmc_oen_ren */
 107                         AM33XX_IOPAD(0x894, PIN_OUTPUT | MUX_MODE0)
 108                         /* gpmc_wen.gpmc_wen */
 109                         AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE0)
 110                         /* gpmc_ben0_cle.gpmc_ben0_cle */
 111                         AM33XX_IOPAD(0x89c, PIN_OUTPUT | MUX_MODE0)
 112                 >;
 113         };
 114
 115         uart0_pins: pinmux_uart0_pins {
 116                 pinctrl-single,pins = <
 117                         /* uart0_rxd.uart0_rxd */
 118                         AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)
 119                         /* uart0_txd.uart0_txd */
 120                         AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
 121                 >;
 122         };
 123
 124         uart1_pins: pinmux_uart1_pins {
 125                 pinctrl-single,pins = <
 126                         /* uart1_ctsn.uart1_ctsn */
 127                         AM33XX_IOPAD(0x978, PIN_INPUT | MUX_MODE0)
 128                         /* uart1_rtsn.uart1_rtsn */
 129                         AM33XX_IOPAD(0x97C, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
 130                         /* uart1_rxd.uart1_rxd */
 131                         AM33XX_IOPAD(0x980, PIN_INPUT_PULLUP | MUX_MODE0)
 132                         /* uart1_txd.uart1_txd */
 133                         AM33XX_IOPAD(0x984, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
 134                 >;
 135         };
 136
 137         ecap0_pins: pinmux_ecap0_pins {
 138                 pinctrl-single,pins = <
 139                         /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
 140                         AM33XX_IOPAD(0x964, 0x0)
 141                 >;
 142         };
 143
 144         cpsw_default: cpsw_default {
 145                 pinctrl-single,pins = <
 146                         /* Slave 1 */
 147                         /* mii1_tx_en.rgmii1_tctl */
 148                         AM33XX_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 149                         /* mii1_rxdv.rgmii1_rctl */
 150                         AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE2)
 151                         /* mii1_txd3.rgmii1_td3 */
 152                         AM33XX_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 153                         /* mii1_txd2.rgmii1_td2 */
 154                         AM33XX_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 155                         /* mii1_txd1.rgmii1_td1 */
 156                         AM33XX_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 157                         /* mii1_txd0.rgmii1_td0 */
 158                         AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 159                         /* mii1_txclk.rgmii1_tclk */
 160                         AM33XX_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 161                         /* mii1_rxclk.rgmii1_rclk */
 162                         AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE2)
 163                         /* mii1_rxd3.rgmii1_rd3 */
 164                         AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE2)
 165                         /* mii1_rxd2.rgmii1_rd2 */
 166                         AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE2)
 167                         /* mii1_rxd1.rgmii1_rd1 */
 168                         AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE2)
 169                         /* mii1_rxd0.rgmii1_rd0 */
 170                         AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE2)
 171                 >;
 172         };
 173
 174         cpsw_sleep: cpsw_sleep {
 175                 pinctrl-single,pins = <
 176                         /* Slave 1 reset value */
 177                         AM33XX_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
 178                         AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE7)
 179                         AM33XX_IOPAD(0x91c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 180                         AM33XX_IOPAD(0x920, PIN_INPUT_PULLDOWN | MUX_MODE7)
 181                         AM33XX_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
 182                         AM33XX_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
 183                         AM33XX_IOPAD(0x92c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 184                         AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE7)
 185                         AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE7)
 186                         AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE7)
 187                         AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 188                         AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
 189                 >;
 190         };
 191
 192         davinci_mdio_default: davinci_mdio_default {
 193                 pinctrl-single,pins = <
 194                         /* mdio_data.mdio_data */
 195                         AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)
 196                         /* mdio_clk.mdio_clk */
 197                         AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)
 198                 >;
 199         };
 200
 201         davinci_mdio_sleep: davinci_mdio_sleep {
 202                 pinctrl-single,pins = <
 203                         /* MDIO reset value */
 204                         AM33XX_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
 205                         AM33XX_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 206                 >;
 207         };
 208
 209         mmc1_pins: pinmux_mmc1_pins {
 210                 pinctrl-single,pins = <
 211                         /* mmc0_dat3.mmc0_dat3 */
 212                         AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0)
 213                         /* mmc0_dat2.mmc0_dat2 */
 214                         AM33XX_IOPAD(0x8f4, PIN_INPUT_PULLUP | MUX_MODE0)
 215                         /* mmc0_dat1.mmc0_dat1 */
 216                         AM33XX_IOPAD(0x8f8, PIN_INPUT_PULLUP | MUX_MODE0)
 217                         /* mmc0_dat0.mmc0_dat0 */
 218                         AM33XX_IOPAD(0x8fc, PIN_INPUT_PULLUP | MUX_MODE0)
 219                         /* mmc0_clk.mmc0_clk */
 220                         AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0)
 221                         /* mmc0_cmd.mmc0_cmd */
 222                         AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0)
 223                 >;
 224         };
 225
 226         /* wl1271 bluetooth */
 227         bluetooth_pins: pinmux_bluetooth_pins {
 228                 pinctrl-single,pins = <
 229                         /* XDMA_EVENT_INTR0.gpio0_19 - bluetooth enable */
 230                         AM33XX_IOPAD(0x9b0, PIN_OUTPUT_PULLUP | MUX_MODE7)
 231                 >;
 232         };
 233 };
 234
 235 &uart0 {
 236         pinctrl-names = "default";
 237         pinctrl-0 = <&uart0_pins>;
 238
 239         status = "okay";
 240 };
 241
 242 /* WLS1271 bluetooth */
 243 &uart1 {
 244         pinctrl-names = "default";
 245         pinctrl-0 = <&uart1_pins>;
 246
 247 status = "okay";
 248 };
 249
 250 &i2c0 {
 251         pinctrl-names = "default";
 252         pinctrl-0 = <&i2c0_pins>;
 253
 254         status = "okay";
 255         clock-frequency = <400000>;
 256         /* CM-T335 board EEPROM */
 257         eeprom: 24c02@50 {
 258                 compatible = "atmel,24c02";
 259                 reg = <0x50>;
 260                 pagesize = <16>;
 261         };
 262         /* Real Time Clock */
 263         ext_rtc: em3027@56 {
 264                 compatible = "emmicro,em3027";
 265                 reg = <0x56>;
 266         };
 267 };
 268
 269 &usb {
 270         status = "okay";
 271 };
 272
 273 &usb_ctrl_mod {
 274         status = "okay";
 275 };
 276
 277 &usb0_phy {
 278         status = "okay";
 279 };
 280
 281 &usb0 {
 282         status = "okay";
 283 };
 284
 285 &cppi41dma  {
 286         status = "okay";
 287 };
 288
 289 &epwmss0 {
 290         status = "okay";
 291
 292         ecap0: ecap@48300100 {
 293                 status = "okay";
 294                 pinctrl-names = "default";
 295                 pinctrl-0 = <&ecap0_pins>;
 296         };
 297 };
 298
 299 &gpmc {
 300         status = "okay";
 301         pinctrl-names = "default";
 302         pinctrl-0 = <&nandflash_pins>;
 303         ranges = <0 0 0x08000000 0x10000000>;   /* CS0: NAND */
 304         nand@0,0 {
 305                 reg = <0 0 0>; /* CS0, offset 0 */
 306                 ti,nand-ecc-opt = "bch8";
 307                 ti,elm-id = <&elm>;
 308                 nand-bus-width = <8>;
 309                 gpmc,device-width = <1>;
 310                 gpmc,sync-clk-ps = <0>;
 311                 gpmc,cs-on-ns = <0>;
 312                 gpmc,cs-rd-off-ns = <44>;
 313                 gpmc,cs-wr-off-ns = <44>;
 314                 gpmc,adv-on-ns = <6>;
 315                 gpmc,adv-rd-off-ns = <34>;
 316                 gpmc,adv-wr-off-ns = <44>;
 317                 gpmc,we-on-ns = <0>;
 318                 gpmc,we-off-ns = <40>;
 319                 gpmc,oe-on-ns = <0>;
 320                 gpmc,oe-off-ns = <54>;
 321                 gpmc,access-ns = <64>;
 322                 gpmc,rd-cycle-ns = <82>;
 323                 gpmc,wr-cycle-ns = <82>;
 324                 gpmc,wait-on-read = "true";
 325                 gpmc,wait-on-write = "true";
 326                 gpmc,bus-turnaround-ns = <0>;
 327                 gpmc,cycle2cycle-delay-ns = <0>;
 328                 gpmc,clk-activation-ns = <0>;
 329                 gpmc,wait-monitoring-ns = <0>;
 330                 gpmc,wr-access-ns = <40>;
 331                 gpmc,wr-data-mux-bus-ns = <0>;
 332                 /* MTD partition table */
 333                 #address-cells = <1>;
 334                 #size-cells = <1>;
 335                 partition@0 {
 336                         label = "spl";
 337                         reg = <0x00000000 0x00200000>;
 338                 };
 339                 partition@1 {
 340                         label = "uboot";
 341                         reg = <0x00200000 0x00100000>;
 342                 };
 343                 partition@2 {
 344                         label = "uboot environment";
 345                         reg = <0x00300000 0x00100000>;
 346                 };
 347                 partition@3 {
 348                         label = "dtb";
 349                         reg = <0x00400000 0x00100000>;
 350                 };
 351                 partition@4 {
 352                         label = "splash";
 353                         reg = <0x00500000 0x00400000>;
 354                 };
 355                 partition@5 {
 356                         label = "linux";
 357                         reg = <0x00900000 0x00600000>;
 358                 };
 359                 partition@6 {
 360                         label = "rootfs";
 361                         reg = <0x00F00000 0>;
 362                 };
 363         };
 364 };
 365
 366 &elm {
 367         status = "okay";
 368 };
 369
 370 &mac {
 371         pinctrl-names = "default", "sleep";
 372         pinctrl-0 = <&cpsw_default>;
 373         pinctrl-1 = <&cpsw_sleep>;
 374         slaves = <1>;
 375         status = "okay";
 376 };
 377
 378 &davinci_mdio {
 379         pinctrl-names = "default", "sleep";
 380         pinctrl-0 = <&davinci_mdio_default>;
 381         pinctrl-1 = <&davinci_mdio_sleep>;
 382         status = "okay";
 383 };
 384
 385 &cpsw_emac0 {
 386         phy_id = <&davinci_mdio>, <0>;
 387         phy-mode = "rgmii-txid";
 388 };
 389
 390 &mmc1 {
 391         status = "okay";
 392         vmmc-supply = <&vmmc_fixed>;
 393         bus-width = <4>;
 394         pinctrl-names = "default";
 395         pinctrl-0 = <&mmc1_pins>;
 396 };