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 = <>;
  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         ecap0_pins: pinmux_ecap0_pins {
 125                 pinctrl-single,pins = <
 126                         /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
 127                         AM33XX_IOPAD(0x964, 0x0)
 128                 >;
 129         };
 130
 131         cpsw_default: cpsw_default {
 132                 pinctrl-single,pins = <
 133                         /* Slave 1 */
 134                         /* mii1_tx_en.rgmii1_tctl */
 135                         AM33XX_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 136                         /* mii1_rxdv.rgmii1_rctl */
 137                         AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE2)
 138                         /* mii1_txd3.rgmii1_td3 */
 139                         AM33XX_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 140                         /* mii1_txd2.rgmii1_td2 */
 141                         AM33XX_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 142                         /* mii1_txd1.rgmii1_td1 */
 143                         AM33XX_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 144                         /* mii1_txd0.rgmii1_td0 */
 145                         AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 146                         /* mii1_txclk.rgmii1_tclk */
 147                         AM33XX_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
 148                         /* mii1_rxclk.rgmii1_rclk */
 149                         AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE2)
 150                         /* mii1_rxd3.rgmii1_rd3 */
 151                         AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE2)
 152                         /* mii1_rxd2.rgmii1_rd2 */
 153                         AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE2)
 154                         /* mii1_rxd1.rgmii1_rd1 */
 155                         AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE2)
 156                         /* mii1_rxd0.rgmii1_rd0 */
 157                         AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE2)
 158                 >;
 159         };
 160
 161         cpsw_sleep: cpsw_sleep {
 162                 pinctrl-single,pins = <
 163                         /* Slave 1 reset value */
 164                         AM33XX_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
 165                         AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE7)
 166                         AM33XX_IOPAD(0x91c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 167                         AM33XX_IOPAD(0x920, PIN_INPUT_PULLDOWN | MUX_MODE7)
 168                         AM33XX_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
 169                         AM33XX_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
 170                         AM33XX_IOPAD(0x92c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 171                         AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE7)
 172                         AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE7)
 173                         AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE7)
 174                         AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 175                         AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
 176                 >;
 177         };
 178
 179         davinci_mdio_default: davinci_mdio_default {
 180                 pinctrl-single,pins = <
 181                         /* mdio_data.mdio_data */
 182                         AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)
 183                         /* mdio_clk.mdio_clk */
 184                         AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)
 185                 >;
 186         };
 187
 188         davinci_mdio_sleep: davinci_mdio_sleep {
 189                 pinctrl-single,pins = <
 190                         /* MDIO reset value */
 191                         AM33XX_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
 192                         AM33XX_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
 193                 >;
 194         };
 195
 196         mmc1_pins: pinmux_mmc1_pins {
 197                 pinctrl-single,pins = <
 198                         /* mmc0_dat3.mmc0_dat3 */
 199                         AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0)
 200                         /* mmc0_dat2.mmc0_dat2 */
 201                         AM33XX_IOPAD(0x8f4, PIN_INPUT_PULLUP | MUX_MODE0)
 202                         /* mmc0_dat1.mmc0_dat1 */
 203                         AM33XX_IOPAD(0x8f8, PIN_INPUT_PULLUP | MUX_MODE0)
 204                         /* mmc0_dat0.mmc0_dat0 */
 205                         AM33XX_IOPAD(0x8fc, PIN_INPUT_PULLUP | MUX_MODE0)
 206                         /* mmc0_clk.mmc0_clk */
 207                         AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0)
 208                         /* mmc0_cmd.mmc0_cmd */
 209                         AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0)
 210                 >;
 211         };
 212 };
 213
 214 &uart0 {
 215         pinctrl-names = "default";
 216         pinctrl-0 = <&uart0_pins>;
 217
 218         status = "okay";
 219 };
 220
 221 &i2c0 {
 222         pinctrl-names = "default";
 223         pinctrl-0 = <&i2c0_pins>;
 224
 225         status = "okay";
 226         clock-frequency = <400000>;
 227         /* CM-T335 board EEPROM */
 228         eeprom: 24c02@50 {
 229                 compatible = "atmel,24c02";
 230                 reg = <0x50>;
 231                 pagesize = <16>;
 232         };
 233         /* Real Time Clock */
 234         ext_rtc: em3027@56 {
 235                 compatible = "emmicro,em3027";
 236                 reg = <0x56>;
 237         };
 238 };
 239
 240 &usb {
 241         status = "okay";
 242 };
 243
 244 &usb_ctrl_mod {
 245         status = "okay";
 246 };
 247
 248 &usb0_phy {
 249         status = "okay";
 250 };
 251
 252 &usb0 {
 253         status = "okay";
 254 };
 255
 256 &cppi41dma  {
 257         status = "okay";
 258 };
 259
 260 &epwmss0 {
 261         status = "okay";
 262
 263         ecap0: ecap@48300100 {
 264                 status = "okay";
 265                 pinctrl-names = "default";
 266                 pinctrl-0 = <&ecap0_pins>;
 267         };
 268 };
 269
 270 &gpmc {
 271         status = "okay";
 272         pinctrl-names = "default";
 273         pinctrl-0 = <&nandflash_pins>;
 274         ranges = <0 0 0x08000000 0x10000000>;   /* CS0: NAND */
 275         nand@0,0 {
 276                 reg = <0 0 0>; /* CS0, offset 0 */
 277                 ti,nand-ecc-opt = "bch8";
 278                 ti,elm-id = <&elm>;
 279                 nand-bus-width = <8>;
 280                 gpmc,device-width = <1>;
 281                 gpmc,sync-clk-ps = <0>;
 282                 gpmc,cs-on-ns = <0>;
 283                 gpmc,cs-rd-off-ns = <44>;
 284                 gpmc,cs-wr-off-ns = <44>;
 285                 gpmc,adv-on-ns = <6>;
 286                 gpmc,adv-rd-off-ns = <34>;
 287                 gpmc,adv-wr-off-ns = <44>;
 288                 gpmc,we-on-ns = <0>;
 289                 gpmc,we-off-ns = <40>;
 290                 gpmc,oe-on-ns = <0>;
 291                 gpmc,oe-off-ns = <54>;
 292                 gpmc,access-ns = <64>;
 293                 gpmc,rd-cycle-ns = <82>;
 294                 gpmc,wr-cycle-ns = <82>;
 295                 gpmc,wait-on-read = "true";
 296                 gpmc,wait-on-write = "true";
 297                 gpmc,bus-turnaround-ns = <0>;
 298                 gpmc,cycle2cycle-delay-ns = <0>;
 299                 gpmc,clk-activation-ns = <0>;
 300                 gpmc,wait-monitoring-ns = <0>;
 301                 gpmc,wr-access-ns = <40>;
 302                 gpmc,wr-data-mux-bus-ns = <0>;
 303                 /* MTD partition table */
 304                 #address-cells = <1>;
 305                 #size-cells = <1>;
 306                 partition@0 {
 307                         label = "spl";
 308                         reg = <0x00000000 0x00200000>;
 309                 };
 310                 partition@1 {
 311                         label = "uboot";
 312                         reg = <0x00200000 0x00100000>;
 313                 };
 314                 partition@2 {
 315                         label = "uboot environment";
 316                         reg = <0x00300000 0x00100000>;
 317                 };
 318                 partition@3 {
 319                         label = "dtb";
 320                         reg = <0x00400000 0x00100000>;
 321                 };
 322                 partition@4 {
 323                         label = "splash";
 324                         reg = <0x00500000 0x00400000>;
 325                 };
 326                 partition@5 {
 327                         label = "linux";
 328                         reg = <0x00900000 0x00600000>;
 329                 };
 330                 partition@6 {
 331                         label = "rootfs";
 332                         reg = <0x00F00000 0>;
 333                 };
 334         };
 335 };
 336
 337 &elm {
 338         status = "okay";
 339 };
 340
 341 &mac {
 342         pinctrl-names = "default", "sleep";
 343         pinctrl-0 = <&cpsw_default>;
 344         pinctrl-1 = <&cpsw_sleep>;
 345         slaves = <1>;
 346         status = "okay";
 347 };
 348
 349 &davinci_mdio {
 350         pinctrl-names = "default", "sleep";
 351         pinctrl-0 = <&davinci_mdio_default>;
 352         pinctrl-1 = <&davinci_mdio_sleep>;
 353         status = "okay";
 354 };
 355
 356 &cpsw_emac0 {
 357         phy_id = <&davinci_mdio>, <0>;
 358         phy-mode = "rgmii-txid";
 359 };
 360
 361 &mmc1 {
 362         status = "okay";
 363         vmmc-supply = <&vmmc_fixed>;
 364         bus-width = <4>;
 365         pinctrl-names = "default";
 366         pinctrl-0 = <&mmc1_pins>;
 367 };