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 #include <dt-bindings/interrupt-controller/irq.h>
  15
  16 / {
  17         model = "CompuLab CM-T335";
  18         compatible = "compulab,cm-t335", "ti,am33xx";
  19
  20         memory {
  21                 device_type = "memory";
  22                 reg = <0x80000000 0x8000000>;   /* 128 MB */
  23         };
  24
  25         leds {
  26                 compatible = "gpio-leds";
  27                 pinctrl-names = "default";
  28                 pinctrl-0 = <&gpio_led_pins>;
  29                 led@0 {
  30                         label = "cm_t335:green";
  31                         gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;     /* gpio2_0 */
  32                         linux,default-trigger = "heartbeat";
  33                 };
  34         };
  35
  36         /* regulator for mmc */
  37         vmmc_fixed: fixedregulator@0 {
  38                 compatible = "regulator-fixed";
  39                 regulator-name = "vmmc_fixed";
  40                 regulator-min-microvolt = <3300000>;
  41                 regulator-max-microvolt = <3300000>;
  42         };
  43
  44         backlight {
  45                 compatible = "pwm-backlight";
  46                 pwms = <&ecap0 0 50000 0>;
  47                 brightness-levels = <0 51 53 56 62 75 101 152 255>;
  48                 default-brightness-level = <8>;
  49         };
  50 };
  51
  52 &am33xx_pinmux {
  53         pinctrl-names = "default";
  54         pinctrl-0 = <&bluetooth_pins>;
  55
  56         i2c0_pins: pinmux_i2c0_pins {
  57                 pinctrl-single,pins = <
  58                         /* i2c0_sda.i2c0_sda */
  59                         AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0)
  60                         /* i2c0_scl.i2c0_scl */
  61                         AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0)
  62                 >;
  63         };
  64
  65         i2c1_pins: pinmux_i2c1_pins {
  66                 pinctrl-single,pins = <
  67                         /* uart0_ctsn.i2c1_sda */
  68                         AM33XX_IOPAD(0x968, PIN_INPUT_PULLUP | MUX_MODE2)
  69                         /* uart0_rtsn.i2c1_scl */
  70                         AM33XX_IOPAD(0x96c, PIN_INPUT_PULLUP | MUX_MODE2)
  71                 >;
  72         };
  73
  74         gpio_led_pins: pinmux_gpio_led_pins {
  75                 pinctrl-single,pins = <
  76                         /* gpmc_csn3.gpio2_0 */
  77                         AM33XX_IOPAD(0x888, PIN_OUTPUT | MUX_MODE7)
  78                 >;
  79         };
  80
  81         nandflash_pins: pinmux_nandflash_pins {
  82                 pinctrl-single,pins = <
  83                         /* gpmc_ad0.gpmc_ad0 */
  84                         AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE0)
  85                         /* gpmc_ad1.gpmc_ad1 */
  86                         AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE0)
  87                         /* gpmc_ad2.gpmc_ad2 */
  88                         AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE0)
  89                         /* gpmc_ad3.gpmc_ad3 */
  90                         AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE0)
  91                         /* gpmc_ad4.gpmc_ad4 */
  92                         AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE0)
  93                         /* gpmc_ad5.gpmc_ad5 */
  94                         AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE0)
  95                         /* gpmc_ad6.gpmc_ad6 */
  96                         AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE0)
  97                         /* gpmc_ad7.gpmc_ad7 */
  98                         AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE0)
  99                         /* gpmc_wait0.gpmc_wait0 */
 100                         AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE0)
 101                         /* gpmc_wpn.gpio0_30 */
 102                         AM33XX_IOPAD(0x874, PIN_INPUT_PULLUP | MUX_MODE7)
 103                         /* gpmc_csn0.gpmc_csn0  */
 104                         AM33XX_IOPAD(0x87c, PIN_OUTPUT | MUX_MODE0)
 105                         /* gpmc_advn_ale.gpmc_advn_ale */
 106                         AM33XX_IOPAD(0x890, PIN_OUTPUT | MUX_MODE0)
 107                         /* gpmc_oen_ren.gpmc_oen_ren */
 108                         AM33XX_IOPAD(0x894, PIN_OUTPUT | MUX_MODE0)
 109                         /* gpmc_wen.gpmc_wen */
 110                         AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE0)
 111                         /* gpmc_ben0_cle.gpmc_ben0_cle */
 112                         AM33XX_IOPAD(0x89c, PIN_OUTPUT | MUX_MODE0)
 113                 >;
 114         };
 115
 116         uart0_pins: pinmux_uart0_pins {
 117                 pinctrl-single,pins = <
 118                         /* uart0_rxd.uart0_rxd */
 119                         AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)
 120                         /* uart0_txd.uart0_txd */
 121                         AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
 122                 >;
 123         };
 124
 125         uart1_pins: pinmux_uart1_pins {
 126                 pinctrl-single,pins = <
 127                         /* uart1_ctsn.uart1_ctsn */
 128                         AM33XX_IOPAD(0x978, PIN_INPUT | MUX_MODE0)
 129                         /* uart1_rtsn.uart1_rtsn */
 130                         AM33XX_IOPAD(0x97C, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
 131                         /* uart1_rxd.uart1_rxd */
 132                         AM33XX_IOPAD(0x980, PIN_INPUT_PULLUP | MUX_MODE0)
 133                         /* uart1_txd.uart1_txd */
 134                         AM33XX_IOPAD(0x984, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
 135                 >;
 136         };
 137
 138         ecap0_pins: pinmux_ecap0_pins {
 139                 pinctrl-single,pins = <
 140                         /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
 141                         AM33XX_IOPAD(0x964, 0x0)
 142                 >;
 143         };
 144
 145         cpsw_default: cpsw_default {
 146                 pinctrl-single,pins = <
 147                         /* Slave 1 */
 148                         /* mii1_tx_en.rgmii1_tctl */
 149                         AM33XX_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 150                         /* mii1_rxdv.rgmii1_rctl */
 151                         AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE2)
 152                         /* mii1_txd3.rgmii1_td3 */
 153                         AM33XX_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 154                         /* mii1_txd2.rgmii1_td2 */
 155                         AM33XX_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 156                         /* mii1_txd1.rgmii1_td1 */
 157                         AM33XX_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 158                         /* mii1_txd0.rgmii1_td0 */
 159                         AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 160                         /* mii1_txclk.rgmii1_tclk */
 161                         AM33XX_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 162                         /* mii1_rxclk.rgmii1_rclk */
 163                         AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE2)
 164                         /* mii1_rxd3.rgmii1_rd3 */
 165                         AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE2)
 166                         /* mii1_rxd2.rgmii1_rd2 */
 167                         AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE2)
 168                         /* mii1_rxd1.rgmii1_rd1 */
 169                         AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE2)
 170                         /* mii1_rxd0.rgmii1_rd0 */
 171                         AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE2)
 172                 >;
 173         };
 174
 175         cpsw_sleep: cpsw_sleep {
 176                 pinctrl-single,pins = <
 177                         /* Slave 1 reset value */
 178                         AM33XX_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
 179                         AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE7)
 180                         AM33XX_IOPAD(0x91c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 181                         AM33XX_IOPAD(0x920, PIN_INPUT_PULLDOWN | MUX_MODE7)
 182                         AM33XX_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
 183                         AM33XX_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
 184                         AM33XX_IOPAD(0x92c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 185                         AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE7)
 186                         AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE7)
 187                         AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE7)
 188                         AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 189                         AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
 190                 >;
 191         };
 192
 193         davinci_mdio_default: davinci_mdio_default {
 194                 pinctrl-single,pins = <
 195                         /* mdio_data.mdio_data */
 196                         AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)
 197                         /* mdio_clk.mdio_clk */
 198                         AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)
 199                 >;
 200         };
 201
 202         davinci_mdio_sleep: davinci_mdio_sleep {
 203                 pinctrl-single,pins = <
 204                         /* MDIO reset value */
 205                         AM33XX_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
 206                         AM33XX_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 207                 >;
 208         };
 209
 210         mmc1_pins: pinmux_mmc1_pins {
 211                 pinctrl-single,pins = <
 212                         /* mmc0_dat3.mmc0_dat3 */
 213                         AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0)
 214                         /* mmc0_dat2.mmc0_dat2 */
 215                         AM33XX_IOPAD(0x8f4, PIN_INPUT_PULLUP | MUX_MODE0)
 216                         /* mmc0_dat1.mmc0_dat1 */
 217                         AM33XX_IOPAD(0x8f8, PIN_INPUT_PULLUP | MUX_MODE0)
 218                         /* mmc0_dat0.mmc0_dat0 */
 219                         AM33XX_IOPAD(0x8fc, PIN_INPUT_PULLUP | MUX_MODE0)
 220                         /* mmc0_clk.mmc0_clk */
 221                         AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0)
 222                         /* mmc0_cmd.mmc0_cmd */
 223                         AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0)
 224                 >;
 225         };
 226
 227         /* wl1271 bluetooth */
 228         bluetooth_pins: pinmux_bluetooth_pins {
 229                 pinctrl-single,pins = <
 230                         /* XDMA_EVENT_INTR0.gpio0_19 - bluetooth enable */
 231                         AM33XX_IOPAD(0x9b0, PIN_OUTPUT_PULLUP | MUX_MODE7)
 232                 >;
 233         };
 234 };
 235
 236 &uart0 {
 237         pinctrl-names = "default";
 238         pinctrl-0 = <&uart0_pins>;
 239
 240         status = "okay";
 241 };
 242
 243 /* WLS1271 bluetooth */
 244 &uart1 {
 245         pinctrl-names = "default";
 246         pinctrl-0 = <&uart1_pins>;
 247
 248 status = "okay";
 249 };
 250
 251 &i2c0 {
 252         pinctrl-names = "default";
 253         pinctrl-0 = <&i2c0_pins>;
 254
 255         status = "okay";
 256         clock-frequency = <400000>;
 257         /* CM-T335 board EEPROM */
 258         eeprom: 24c02@50 {
 259                 compatible = "atmel,24c02";
 260                 reg = <0x50>;
 261                 pagesize = <16>;
 262         };
 263         /* Real Time Clock */
 264         ext_rtc: em3027@56 {
 265                 compatible = "emmicro,em3027";
 266                 reg = <0x56>;
 267         };
 268 };
 269
 270 &usb {
 271         status = "okay";
 272 };
 273
 274 &usb_ctrl_mod {
 275         status = "okay";
 276 };
 277
 278 &usb0_phy {
 279         status = "okay";
 280 };
 281
 282 &usb0 {
 283         status = "okay";
 284 };
 285
 286 &cppi41dma  {
 287         status = "okay";
 288 };
 289
 290 &epwmss0 {
 291         status = "okay";
 292
 293         ecap0: ecap@48300100 {
 294                 status = "okay";
 295                 pinctrl-names = "default";
 296                 pinctrl-0 = <&ecap0_pins>;
 297         };
 298 };
 299
 300 &gpmc {
 301         status = "okay";
 302         pinctrl-names = "default";
 303         pinctrl-0 = <&nandflash_pins>;
 304         ranges = <0 0 0x08000000 0x10000000>;   /* CS0: NAND */
 305         nand@0,0 {
 306                 compatible = "ti,omap2-nand";
 307                 reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
 308                 interrupt-parent = <&gpmc>;
 309                 interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
 310                              <1 IRQ_TYPE_NONE>; /* termcount */
 311                 ti,nand-ecc-opt = "bch8";
 312                 ti,elm-id = <&elm>;
 313                 nand-bus-width = <8>;
 314                 gpmc,device-width = <1>;
 315                 gpmc,sync-clk-ps = <0>;
 316                 gpmc,cs-on-ns = <0>;
 317                 gpmc,cs-rd-off-ns = <44>;
 318                 gpmc,cs-wr-off-ns = <44>;
 319                 gpmc,adv-on-ns = <6>;
 320                 gpmc,adv-rd-off-ns = <34>;
 321                 gpmc,adv-wr-off-ns = <44>;
 322                 gpmc,we-on-ns = <0>;
 323                 gpmc,we-off-ns = <40>;
 324                 gpmc,oe-on-ns = <0>;
 325                 gpmc,oe-off-ns = <54>;
 326                 gpmc,access-ns = <64>;
 327                 gpmc,rd-cycle-ns = <82>;
 328                 gpmc,wr-cycle-ns = <82>;
 329                 gpmc,wait-on-read = "true";
 330                 gpmc,wait-on-write = "true";
 331                 gpmc,bus-turnaround-ns = <0>;
 332                 gpmc,cycle2cycle-delay-ns = <0>;
 333                 gpmc,clk-activation-ns = <0>;
 334                 gpmc,wait-monitoring-ns = <0>;
 335                 gpmc,wr-access-ns = <40>;
 336                 gpmc,wr-data-mux-bus-ns = <0>;
 337                 /* MTD partition table */
 338                 #address-cells = <1>;
 339                 #size-cells = <1>;
 340                 partition@0 {
 341                         label = "spl";
 342                         reg = <0x00000000 0x00200000>;
 343                 };
 344                 partition@1 {
 345                         label = "uboot";
 346                         reg = <0x00200000 0x00100000>;
 347                 };
 348                 partition@2 {
 349                         label = "uboot environment";
 350                         reg = <0x00300000 0x00100000>;
 351                 };
 352                 partition@3 {
 353                         label = "dtb";
 354                         reg = <0x00400000 0x00100000>;
 355                 };
 356                 partition@4 {
 357                         label = "splash";
 358                         reg = <0x00500000 0x00400000>;
 359                 };
 360                 partition@5 {
 361                         label = "linux";
 362                         reg = <0x00900000 0x00600000>;
 363                 };
 364                 partition@6 {
 365                         label = "rootfs";
 366                         reg = <0x00F00000 0>;
 367                 };
 368         };
 369 };
 370
 371 &elm {
 372         status = "okay";
 373 };
 374
 375 &mac {
 376         pinctrl-names = "default", "sleep";
 377         pinctrl-0 = <&cpsw_default>;
 378         pinctrl-1 = <&cpsw_sleep>;
 379         slaves = <1>;
 380         status = "okay";
 381 };
 382
 383 &davinci_mdio {
 384         pinctrl-names = "default", "sleep";
 385         pinctrl-0 = <&davinci_mdio_default>;
 386         pinctrl-1 = <&davinci_mdio_sleep>;
 387         status = "okay";
 388 };
 389
 390 &cpsw_emac0 {
 391         phy_id = <&davinci_mdio>, <0>;
 392         phy-mode = "rgmii-txid";
 393 };
 394
 395 &mmc1 {
 396         status = "okay";
 397         vmmc-supply = <&vmmc_fixed>;
 398         bus-width = <4>;
 399         pinctrl-names = "default";
 400         pinctrl-0 = <&mmc1_pins>;
 401 };